refactor

0.12.2

.github/workflows/build.yml

@@ -1,8 +1,8 @@
 
-name: Publish package to GitHub Packages
+name: Build
 on: [push]
 jobs:
-  publishing:
+  build:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
@@ -20,9 +20,9 @@ jobs:
           mv gradle.properties.tmp gradle.properties
       - name: Build
         run: ./gradlew build
-      - name: Publish
-        continue-on-error: true
-        run: ./gradlew --no-parallel publishAllPublicationsToGithubPackagesRepository
-        env:
-          GITHUBPACKAGES_USER: ${{ github.actor }}
-          GITHUBPACKAGES_PASSWORD: ${{ secrets.GITHUB_TOKEN }}
+#      - name: Publish
+#        continue-on-error: true
+#        run: ./gradlew --no-parallel publishAllPublicationsToGithubPackagesRepository
+#        env:
+#          GITHUBPACKAGES_USER: ${{ github.actor }}
+#          GITHUBPACKAGES_PASSWORD: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/dokka_push.yml

@@ -15,7 +15,7 @@ jobs:
         continue-on-error: true
         run: cd /usr/local/lib/android/sdk/build-tools/32.0.0/ && mv d8 dx && cd lib  && mv d8.jar dx.jar
       - name: Build
-        run: ./gradlew dokkaHtml
+        run: ./gradlew build && ./gradlew dokkaHtml
       - name: Publish KDocs
         uses: peaceiris/actions-gh-pages@v3
         with:

CHANGELOG.md

@@ -1,7 +1,272 @@
 # Changelog
 
+## 0.12.3
+
+* `Repos`:
+  * `Exposed`:
+    * Add abstract exposed variants of `KeyValue` and `KeyValues` repos
+    * Add new extension `Query#selectPaginated`
+
+## 0.12.2
+
+* `Versions`:
+  * `Serialization`: `1.4.0-RC` -> `1.4.0`
+  * `Compose`: `1.2.0-alpha01-dev753` -> `1.2.0-alpha01-dev755`
+
+## 0.12.1
+
+* `Versions`:
+  * `Ktor`: `2.0.3` -> `2.1.0`
+
+## 0.12.0
+
+**OLD DEPRECATIONS HAVE BEEN REMOVED**
+
+**MINIMAL ANDROID API HAS BEEN ENLARGED UP TO API 21 (Android 5.0)**
+
+* `Versions`
+  * `Kotlin`: `1.6.21` -> `1.7.0`
+  * `Coroutines`: `1.6.3` -> `1.6.4`
+  * `Exposed`: `0.38.2` -> `0.39.2`
+  * `Compose`: `1.2.0-alpha01-dev729` -> `1.2.0-alpha01-dev753`
+  * `Klock`: `2.7.0` -> `3.0.0`
+  * `uuid`: `0.4.1` -> `0.5.0`
+  * `Android Core KTX`: `1.7.0` -> `1.8.0`
+  * `Android AppCompat`: `1.4.1` -> `1.4.2`
+* `Ktor`:
+  * All previously standard functions related to work with binary data by default have been deprecated
+
+## 0.11.14
+
+* `Pagination`:
+    * `PaginationResult` got new field `objectsNumber` which by default is a times between `pagesNumber` and `size`
+
+## 0.11.13
+
+* `Versions`:
+    * `Coroutines`: `1.6.3` -> `1.6.4`
+    * `Compose`: `1.2.0-alpha01-dev629` -> `1.2.0-alpha01-dev731`
+
+## 0.11.12
+
+* `Repos`:
+  * `Common`:
+    * `JVM`:
+      * Fixes in `ReadFileKeyValueRepo` methods (`values`/`keys`)
+
+## 0.11.11
+
+* `Crypto`:
+  * `hmacSha256` has been deprecated
+* `Ktor`:
+  * `Client`:
+    * `BodyPair` has been deprecated
+* `Repos`:
+    * `Cache`:
+      * New interface `CacheRepo`
+      * New interface `FullCacheRepo`
+      * `actualize*` methods inside of full cache repos now open for overriding
+
+## 0.11.10
+
+* `Repos`:
+  * `Cache`:
+    * `KVCache` has been replaced to the package `dev.inmo.micro_utils.repos.cache`
+    * `SimpleKVCache` has been replaced to the package `dev.inmo.micro_utils.repos.cache`
+    * New `KVCache` subtype - `FullKVCache`
+    * Add `Full*` variants of standard repos
+    * Add `cached`/`caching` (for write repos) extensions for all standard types of repos
+
+## 0.11.9
+
+* `Versions`
+    * `Coroutines`: `1.6.1` -> `1.6.3`
+    * `Ktor`: `2.0.2` -> `2.0.3`
+    * `Compose`: `1.2.0-alpha01-dev686` -> `1.2.0-alpha01-dev729`
+
+## 0.11.8
+
+* `Repos`:
+    * `Common`:
+        * Fixes in `FileKeyValueRepo`
+
+## 0.11.7
+
+* `Common`:
+  * New abstractions `SimpleMapper` and `SimpleSuspendableMapper`
+* `Repos`:
+  * `Common`:
+    * Add mappers for `CRUDRepo`
+
+## 0.11.6
+
+* `FSM`:
+  * `Common`
+    * Several fixes related to the jobs handling
+
+## 0.11.5
+
+* `Coroutines`:
+  * `Compose`:
+    * Add extension `StateFlow#asMutableComposeListState` and `StateFlow#asComposeList`
+    * Add extension `StateFlow#asMutableComposeState`/`StateFlow#asComposeState`
+
+## 0.11.4
+
+**THIS VERSION HAS BEEN BROKEN, DO NOT USE IT**
+
+## 0.11.3
+
+* `Ktor`:
+    * Support of `WebSockets` has been improved
+      * `Client`:
+        * New extensions: `HttpClient#openBaseWebSocketFlow`, `HttpClient#openWebSocketFlow`, `HttpClient#openSecureWebSocketFlow`
+
+## 0.11.2
+
+* `Ktor`:
+  * Support of `WebSockets` has been improved and added fixes inside of clients
+
+## 0.11.1
+
+* `Repos`
+  * `Ktor`
+    * In `configureReadKeyValueRepoRoutes` and `configureReadKeyValuesRepoRoutes` configurators fixed requiring of `reversed` property
+
+## 0.11.0
+
+* `Versions`
+    * `UUID`: `0.4.0` -> `0.4.1`
+* `Ktor`
+  * `Client`:
+    * New extension fun `HttpResponse#throwOnUnsuccess`
+    * All old functions, classes and extensions has been rewritten with new ktor-way with types info and keeping `ContentNegotiation` in mind
+  * `Server`:
+      * All old functions, classes and extensions has been rewritten with new ktor-way with types info and keeping `ContentNegotiation` in mind
+* `Repos`
+  * `Ktor`:
+    * Fully rewritten work with all declared repositories
+    * All old functions, classes and extensions has been rewritten with new ktor-way with types info and keeping `ContentNegotiation` in mind
+
+## 0.10.8
+
+* `Common`
+    * Add `Element.isOverflow*` extension properties
+
+## 0.10.7
+
+* `Pagination`:
+    * Now it is possible to use `doForAll*` and `getForAll` functions in non suspend places
+
+## 0.10.6
+
+* `Versions`
+    * `Ktor`: `2.0.1` -> `2.0.2`
+* `Common`
+    * `JS`:
+        * Add `ResizeObserver` functionality
+
+## 0.10.5
+
+* `Versions`
+    * `Compose`: `1.2.0-alpha01-dev683` -> `1.2.0-alpha01-dev686`
+* `Repos`
+    * `Android`:
+        * New function `SharedPreferencesKeyValueRepo`
+* `FSM`
+    * Add `StateHandlingErrorHandler` and opportunity to handle states handling errors
+
+## 0.10.4
+
+* `Versions`:
+    * `Serialization`: `1.3.2` -> `1.3.3`
+
+## 0.10.3
+
+* `Versions`:
+    * `Compose`: `1.2.0-alpha01-dev682` -> `1.2.0-alpha01-dev683`
+* `Coroutines`:
+    * Fixes in `AccumulatorFlow`
+
+## 0.10.2
+
+* `Versions`:
+    * `Compose`: `1.2.0-alpha01-dev675` -> `1.2.0-alpha01-dev682`
+
+## 0.10.1
+
+* `Versions`:
+    * `Ktor`: `2.0.0` -> `2.0.1`
+* `Crypto`:
+    * Add `hmacSha256`
+    * Add `hex`
+
+## 0.10.0
+
+* `Versions`:
+    * `Kotlin`: `1.6.10` -> `1.6.21`
+    * `Compose`: `1.1.1` -> `1.2.0-alpha01-dev675`
+    * `Exposed`: `0.37.3` -> `0.38.2`
+    * `Ktor`: `1.6.8` -> `2.0.0`
+    * `Dokka`: `1.6.10` -> `1.6.21`
+
+## 0.9.24
+
+* `Ktor`:
+    * `Common`:
+        * New extension fun `MPPFile#input`
+
+## 0.9.23
+
+* `Repos`:
+    * `Exposed`:
+        * New property `ExposedRepo#selectAll` to retrieve all the rows in the table
+
+## 0.9.22
+
+* `Ktor`:
+    * `Server`:
+        * Now `createKtorServer` fun is fully customizable
+
+## 0.9.21
+
+* `Repos`:
+    * `Exposed`:
+        * fixes in `AbstractExposedWriteCRUDRepo`
+
+## 0.9.20
+
+* `Repos`:
+    * `Common`:
+        * Fixes in `OneToManyAndroidRepo`
+        * New `CursorIterator`
+
+## 0.9.19
+
+* `Versions`:
+    * `Coroutines`: `1.6.0` -> `1.6.1`
+* `Repos`:
+    * `Exposed`:
+        * Fixes in `ExposedStandardVersionsRepoProxy`
+
+## 0.9.18
+
+* `Common`
+    * New extensions for `Element`: `Element#onActionOutside` and `Element#onClickOutside`
+
+## 0.9.17
+
+* `Common`:
+    * New extensions `Element#onVisibilityChanged`, `Element#onVisible` and `Element#onInvisible`
+* `Coroutines`:
+    * New extension `Element.visibilityFlow()`
+* `FSM`:
+    * Now it is possible to resolve conflicts on `startChain`
+
 ## 0.9.16
 
+* `Versions`:
+    * `Klock`: `2.6.3` -> `2.7.0`
 * `Common`:
     * New extension `Node#onRemoved`
     * `Compose`:

build.gradle

@@ -21,6 +21,7 @@ allprojects {
         mavenLocal()
         mavenCentral()
         google()
+        maven { url "https://maven.pkg.jetbrains.space/public/p/compose/dev" }
     }
 
     // temporal crutch until legacy tests will be stabled or legacy target will be removed

common/src/commonMain/kotlin/dev/inmo/micro_utils/common/Annotations.kt

@@ -1,3 +1,5 @@
+@file:Suppress("OPT_IN_IS_NOT_ENABLED")
+
 package dev.inmo.micro_utils.common
 
 @RequiresOptIn(

common/src/commonMain/kotlin/dev/inmo/micro_utils/common/DiffUtils.kt

@@ -43,6 +43,7 @@ private inline fun <T> performChanges(
         if (oldOneEqualToNewObject || newOneEqualToOldObject) {
             changedList.addAll(
                 potentialChanges.take(i).mapNotNull {
+                    @Suppress("UNCHECKED_CAST")
                     if (it.first != null && it.second != null) it as Pair<IndexedValue<T>, IndexedValue<T>> else null
                 }
             )
@@ -121,7 +122,10 @@ fun <T> Iterable<T>.calculateDiff(
 
         when {
             oldObject === newObject || (oldObject == newObject && !strictComparison) -> {
-                changedObjects.addAll(potentiallyChangedObjects.map { it as Pair<IndexedValue<T>, IndexedValue<T>> })
+                changedObjects.addAll(potentiallyChangedObjects.map {
+                    @Suppress("UNCHECKED_CAST")
+                    it as Pair<IndexedValue<T>, IndexedValue<T>>
+                })
                 potentiallyChangedObjects.clear()
             }
             else -> {

common/src/commonMain/kotlin/dev/inmo/micro_utils/common/Either.kt

@@ -1,3 +1,5 @@
+@file:Suppress("unused", "NOTHING_TO_INLINE")
+
 package dev.inmo.micro_utils.common
 
 import kotlinx.serialization.*
@@ -21,26 +23,18 @@ import kotlinx.serialization.encoding.*
 sealed interface Either<T1, T2> {
     val optionalT1: Optional<T1>
     val optionalT2: Optional<T2>
-    @Deprecated("Use optionalT1 instead", ReplaceWith("optionalT1"))
-    val t1: T1?
-        get() = optionalT1.dataOrNull()
-    @Deprecated("Use optionalT2 instead", ReplaceWith("optionalT2"))
-    val t2: T2?
-        get() = optionalT2.dataOrNull()
 
-    companion object {
-        fun <T1, T2> serializer(
-            t1Serializer: KSerializer<T1>,
-            t2Serializer: KSerializer<T2>,
-        ): KSerializer<Either<T1, T2>> = EitherSerializer(t1Serializer, t2Serializer)
-    }
+    val t1OrNull: T1?
+        get() = optionalT1.dataOrNull()
+    val t2OrNull: T2?
+        get() = optionalT2.dataOrNull()
 }
 
 class EitherSerializer<T1, T2>(
     t1Serializer: KSerializer<T1>,
     t2Serializer: KSerializer<T2>,
 ) : KSerializer<Either<T1, T2>> {
-    @OptIn(ExperimentalSerializationApi::class, InternalSerializationApi::class)
+    @OptIn(InternalSerializationApi::class, ExperimentalSerializationApi::class)
     override val descriptor: SerialDescriptor = buildSerialDescriptor(
         "TypedSerializer",
         SerialKind.CONTEXTUAL
@@ -51,7 +45,6 @@ class EitherSerializer<T1, T2>(
     private val t1EitherSerializer = EitherFirst.serializer(t1Serializer, t2Serializer)
     private val t2EitherSerializer = EitherSecond.serializer(t1Serializer, t2Serializer)
 
-    @OptIn(ExperimentalSerializationApi::class, InternalSerializationApi::class)
     override fun deserialize(decoder: Decoder): Either<T1, T2> {
         return decoder.decodeStructure(descriptor) {
             var type: String? = null
@@ -83,7 +76,6 @@ class EitherSerializer<T1, T2>(
     }
 
 
-    @OptIn(ExperimentalSerializationApi::class, InternalSerializationApi::class)
     override fun serialize(encoder: Encoder, value: Either<T1, T2>) {
         encoder.encodeStructure(descriptor) {
             when (value) {
@@ -105,7 +97,7 @@ class EitherSerializer<T1, T2>(
  */
 @Serializable
 data class EitherFirst<T1, T2>(
-    override val t1: T1
+    val t1: T1
 ) : Either<T1, T2> {
     override val optionalT1: Optional<T1> = t1.optional
     override val optionalT2: Optional<T2> = Optional.absent()
@@ -116,7 +108,7 @@ data class EitherFirst<T1, T2>(
  */
 @Serializable
 data class EitherSecond<T1, T2>(
-    override val t2: T2
+    val t2: T2
 ) : Either<T1, T2> {
     override val optionalT1: Optional<T1> = Optional.absent()
     override val optionalT2: Optional<T2> = t2.optional

common/src/commonMain/kotlin/dev/inmo/micro_utils/common/Mapper.kt

@@ -0,0 +1,53 @@
+package dev.inmo.micro_utils.common
+
+import kotlin.jvm.JvmName
+
+interface SimpleMapper<T1, T2> {
+    fun convertToT1(from: T2): T1
+    fun convertToT2(from: T1): T2
+}
+
+@JvmName("convertFromT2")
+fun <T1, T2> SimpleMapper<T1, T2>.convert(from: T2) = convertToT1(from)
+@JvmName("convertFromT1")
+fun <T1, T2> SimpleMapper<T1, T2>.convert(from: T1) = convertToT2(from)
+
+class SimpleMapperImpl<T1, T2>(
+    private val t1: (T2) -> T1,
+    private val t2: (T1) -> T2,
+) : SimpleMapper<T1, T2> {
+    override fun convertToT1(from: T2): T1 = t1.invoke(from)
+
+    override fun convertToT2(from: T1): T2 = t2.invoke(from)
+}
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun <T1, T2> simpleMapper(
+    noinline t1: (T2) -> T1,
+    noinline t2: (T1) -> T2,
+) = SimpleMapperImpl(t1, t2)
+
+interface SimpleSuspendableMapper<T1, T2> {
+    suspend fun convertToT1(from: T2): T1
+    suspend fun convertToT2(from: T1): T2
+}
+
+@JvmName("convertFromT2")
+suspend fun <T1, T2> SimpleSuspendableMapper<T1, T2>.convert(from: T2) = convertToT1(from)
+@JvmName("convertFromT1")
+suspend fun <T1, T2> SimpleSuspendableMapper<T1, T2>.convert(from: T1) = convertToT2(from)
+
+class SimpleSuspendableMapperImpl<T1, T2>(
+    private val t1: suspend (T2) -> T1,
+    private val t2: suspend (T1) -> T2,
+) : SimpleSuspendableMapper<T1, T2> {
+    override suspend fun convertToT1(from: T2): T1 = t1.invoke(from)
+
+    override suspend fun convertToT2(from: T1): T2 = t2.invoke(from)
+}
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun <T1, T2> simpleSuspendableMapper(
+    noinline t1: suspend (T2) -> T1,
+    noinline t2: suspend (T1) -> T2,
+) = SimpleSuspendableMapperImpl(t1, t2)

common/src/commonMain/kotlin/dev/inmo/micro_utils/common/Optional.kt

@@ -41,10 +41,18 @@ data class Optional<T> internal constructor(
 inline val <T> T.optional
     get() = Optional.presented(this)
 
+inline val <T : Any> T?.optionalOrAbsentIfNull
+    get() = if (this == null) {
+        Optional.absent<T>()
+    } else {
+        Optional.presented(this)
+    }
+
 /**
  * Will call [block] when data presented ([Optional.dataPresented] == true)
  */
 inline fun <T> Optional<T>.onPresented(block: (T) -> Unit): Optional<T> = apply {
+    @OptIn(Warning::class)
     if (dataPresented) { @Suppress("UNCHECKED_CAST") block(data as T) }
 }
 
@@ -52,6 +60,7 @@ inline fun <T> Optional<T>.onPresented(block: (T) -> Unit): Optional<T> = apply
  * Will call [block] when data presented ([Optional.dataPresented] == true)
  */
 inline fun <T, R> Optional<T>.mapOnPresented(block: (T) -> R): R? = run {
+    @OptIn(Warning::class)
     if (dataPresented) { @Suppress("UNCHECKED_CAST") block(data as T) } else null
 }
 
@@ -59,6 +68,7 @@ inline fun <T, R> Optional<T>.mapOnPresented(block: (T) -> R): R? = run {
  * Will call [block] when data absent ([Optional.dataPresented] == false)
  */
 inline fun <T> Optional<T>.onAbsent(block: () -> Unit): Optional<T> = apply {
+    @OptIn(Warning::class)
     if (!dataPresented) { block() }
 }
 
@@ -66,27 +76,22 @@ inline fun <T> Optional<T>.onAbsent(block: () -> Unit): Optional<T> = apply {
  * Will call [block] when data presented ([Optional.dataPresented] == true)
  */
 inline fun <T, R> Optional<T>.mapOnAbsent(block: () -> R): R? = run {
-    if (!dataPresented) { @Suppress("UNCHECKED_CAST") block() } else null
+    @OptIn(Warning::class)
+    if (!dataPresented) { block() } else null
 }
 
 /**
  * Returns [Optional.data] if [Optional.dataPresented] of [this] is true, or null otherwise
  */
-fun <T> Optional<T>.dataOrNull() = if (dataPresented) @Suppress("UNCHECKED_CAST") (data as T) else null
+fun <T> Optional<T>.dataOrNull() = @OptIn(Warning::class) if (dataPresented) @Suppress("UNCHECKED_CAST") (data as T) else null
 
 /**
  * Returns [Optional.data] if [Optional.dataPresented] of [this] is true, or throw [throwable] otherwise
  */
-fun <T> Optional<T>.dataOrThrow(throwable: Throwable) = if (dataPresented) @Suppress("UNCHECKED_CAST") (data as T) else throw throwable
+fun <T> Optional<T>.dataOrThrow(throwable: Throwable) = @OptIn(Warning::class) if (dataPresented) @Suppress("UNCHECKED_CAST") (data as T) else throw throwable
 
 
 /**
  * Returns [Optional.data] if [Optional.dataPresented] of [this] is true, or call [block] and returns the result of it
  */
-inline fun <T> Optional<T>.dataOrElse(block: () -> T) = if (dataPresented) @Suppress("UNCHECKED_CAST") (data as T) else block()
-
-/**
- * Returns [Optional.data] if [Optional.dataPresented] of [this] is true, or call [block] and returns the result of it
- */
-@Deprecated("dataOrElse now is inline", ReplaceWith("dataOrElse", "dev.inmo.micro_utils.common.dataOrElse"))
-suspend fun <T> Optional<T>.dataOrElseSuspendable(block: suspend () -> T) = if (dataPresented) @Suppress("UNCHECKED_CAST") (data as T) else block()
+inline fun <T> Optional<T>.dataOrElse(block: () -> T) = @OptIn(Warning::class) if (dataPresented) @Suppress("UNCHECKED_CAST") (data as T) else block()

common/src/commonTest/kotlin/dev/inmo/micro_utils/common/DiffUtilsTests.kt

@@ -32,7 +32,7 @@ class DiffUtilsTests {
         val withIndex = oldList.withIndex()
 
         for (count in 1 .. (floor(oldList.size.toFloat() / 2).toInt())) {
-            for ((i, v) in withIndex) {
+            for ((i, _) in withIndex) {
                 if (i + count > oldList.lastIndex) {
                     continue
                 }
@@ -55,7 +55,7 @@ class DiffUtilsTests {
         val withIndex = oldList.withIndex()
 
         for (step in oldList.indices) {
-            for ((i, v) in withIndex) {
+            for ((i, _) in withIndex) {
                 val mutable = oldList.toMutableList()
                 val changes = (
                     if (step == 0) i until oldList.size else (i until oldList.size step step)
@@ -104,7 +104,7 @@ class DiffUtilsTests {
         val withIndex = oldList.withIndex()
 
         for (count in 1 .. (floor(oldList.size.toFloat() / 2).toInt())) {
-            for ((i, v) in withIndex) {
+            for ((i, _) in withIndex) {
                 if (i + count > oldList.lastIndex) {
                     continue
                 }
@@ -129,15 +129,20 @@ class DiffUtilsTests {
         val withIndex = oldList.withIndex()
 
         for (step in oldList.indices) {
-            for ((i, v) in withIndex) {
+            for ((i, _) in withIndex) {
                 val mutable = oldList.toMutableList()
-                val changes = (
-                    if (step == 0) i until oldList.size else (i until oldList.size step step)
-                ).map { index ->
+
+                val newList = if (step == 0) {
+                    i until oldList.size
+                } else {
+                    i until oldList.size step step
+                }
+                newList.forEach { index ->
                     IndexedValue(index, mutable[index]) to IndexedValue(index, "changed$index").also {
                         mutable[index] = it.value
                     }
                 }
+
                 val mutableOldList = oldList.toMutableList()
                 mutableOldList.applyDiff(mutable)
                 assertEquals(

common/src/jsMain/kotlin/dev/inmo/micro_utils/common/HTMLElementDomChanged.kt

@@ -3,7 +3,7 @@ package dev.inmo.micro_utils.common
 import kotlinx.browser.document
 import org.w3c.dom.*
 
-fun Node.onRemoved(block: () -> Unit) {
+fun Node.onRemoved(block: () -> Unit): MutationObserver {
     lateinit var observer: MutationObserver
 
     observer = MutationObserver { _, _ ->
@@ -18,4 +18,44 @@ fun Node.onRemoved(block: () -> Unit) {
     }
 
     observer.observe(document, MutationObserverInit(childList = true, subtree = true))
+    return observer
+}
+
+fun Element.onVisibilityChanged(block: IntersectionObserverEntry.(Float, IntersectionObserver) -> Unit): IntersectionObserver {
+    var previousIntersectionRatio = -1f
+    val observer = IntersectionObserver { entries, observer ->
+        entries.forEach {
+            if (previousIntersectionRatio != it.intersectionRatio) {
+                previousIntersectionRatio = it.intersectionRatio.toFloat()
+                it.block(previousIntersectionRatio, observer)
+            }
+        }
+    }
+
+    observer.observe(this)
+    return observer
+}
+
+fun Element.onVisible(block: Element.(IntersectionObserver) -> Unit) {
+    var previous = -1f
+    onVisibilityChanged { intersectionRatio, observer ->
+        if (previous != intersectionRatio) {
+            if (intersectionRatio > 0 && previous == 0f) {
+                block(observer)
+            }
+            previous = intersectionRatio
+        }
+    }
+}
+
+fun Element.onInvisible(block: Element.(IntersectionObserver) -> Unit): IntersectionObserver {
+    var previous = -1f
+    return onVisibilityChanged { intersectionRatio, observer ->
+        if (previous != intersectionRatio) {
+            if (intersectionRatio == 0f && previous != 0f) {
+                block(observer)
+            }
+            previous = intersectionRatio
+        }
+    }
 }

common/src/jsMain/kotlin/dev/inmo/micro_utils/common/IsOverflow.kt

@@ -0,0 +1,12 @@
+package dev.inmo.micro_utils.common
+
+import org.w3c.dom.Element
+
+inline val Element.isOverflowWidth
+    get() = scrollWidth > clientWidth
+
+inline val Element.isOverflowHeight
+    get() = scrollHeight > clientHeight
+
+inline val Element.isOverflow
+    get() = isOverflowHeight || isOverflowWidth

common/src/jsMain/kotlin/dev/inmo/micro_utils/common/OnClickOutside.kt

@@ -0,0 +1,38 @@
+package dev.inmo.micro_utils.common
+
+import kotlinx.browser.document
+import org.w3c.dom.*
+import org.w3c.dom.events.Event
+import org.w3c.dom.events.EventListener
+
+fun Element.onActionOutside(type: String, options: dynamic = null, callback: (Event) -> Unit): EventListener {
+    lateinit var observer: MutationObserver
+    val listener = EventListener {
+        val elementsToCheck = mutableListOf<Element>(this@onActionOutside)
+        while (it.target != this@onActionOutside && elementsToCheck.isNotEmpty()) {
+            val childrenGettingElement = elementsToCheck.removeFirst()
+            for (i in 0 until childrenGettingElement.childElementCount) {
+                elementsToCheck.add(childrenGettingElement.children[i] ?: continue)
+            }
+        }
+        if (elementsToCheck.isEmpty()) {
+            callback(it)
+        }
+    }
+    if (options == null) {
+        document.addEventListener(type, listener)
+    } else {
+        document.addEventListener(type, listener, options)
+    }
+    observer = onRemoved {
+        if (options == null) {
+            document.removeEventListener(type, listener)
+        } else {
+            document.removeEventListener(type, listener, options)
+        }
+        observer.disconnect()
+    }
+    return listener
+}
+
+fun Element.onClickOutside(options: dynamic = null, callback: (Event) -> Unit) = onActionOutside("click", options, callback)

common/src/jsMain/kotlin/dev/inmo/micro_utils/common/ResizeObserver.kt

@@ -0,0 +1,58 @@
+package dev.inmo.micro_utils.common
+
+import org.w3c.dom.*
+import kotlin.js.Json
+import kotlin.js.json
+
+external class ResizeObserver(
+    callback: (Array<ResizeObserverEntry>, ResizeObserver) -> Unit
+) {
+    fun observe(target: Element, options: Json = definedExternally)
+
+    fun unobserve(target: Element)
+
+    fun disconnect()
+}
+
+external interface ResizeObserverSize {
+    val blockSize: Float
+    val inlineSize: Float
+}
+
+external interface ResizeObserverEntry {
+    val borderBoxSize: Array<ResizeObserverSize>
+    val contentBoxSize: Array<ResizeObserverSize>
+    val devicePixelContentBoxSize: Array<ResizeObserverSize>
+    val contentRect: DOMRectReadOnly
+    val target: Element
+}
+
+fun ResizeObserver.observe(target: Element, options: ResizeObserverObserveOptions) = observe(
+    target,
+    json(
+        "box" to options.box ?.name
+    )
+)
+
+class ResizeObserverObserveOptions(
+    val box: Box? = null
+) {
+    sealed interface Box {
+        val name: String
+
+        object Content : Box {
+            override val name: String
+                get() = "content-box"
+        }
+
+        object Border : Box {
+            override val name: String
+                get() = "border-box"
+        }
+
+        object DevicePixelContent : Box {
+            override val name: String
+                get() = "device-pixel-content-box"
+        }
+    }
+}

coroutines/compose/src/commonMain/kotlin/dev/inmo/micro_utils/coroutines/compose/FlowAsListState.kt

@@ -0,0 +1,26 @@
+package dev.inmo.micro_utils.coroutines.compose
+
+import androidx.compose.runtime.*
+import androidx.compose.runtime.snapshots.SnapshotStateList
+import dev.inmo.micro_utils.common.applyDiff
+import dev.inmo.micro_utils.coroutines.subscribeSafelyWithoutExceptions
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.StateFlow
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun <reified T> Flow<List<T>>.asMutableComposeListState(
+    scope: CoroutineScope
+): SnapshotStateList<T> {
+    val state = mutableStateListOf<T>()
+    subscribeSafelyWithoutExceptions(scope) {
+        state.applyDiff(it)
+    }
+    return state
+}
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun <reified T> Flow<List<T>>.asComposeList(
+    scope: CoroutineScope
+): List<T> = asMutableComposeListState(scope)
+

coroutines/compose/src/commonMain/kotlin/dev/inmo/micro_utils/coroutines/compose/FlowAsState.kt

@@ -0,0 +1,35 @@
+package dev.inmo.micro_utils.coroutines.compose
+
+import androidx.compose.runtime.*
+import dev.inmo.micro_utils.coroutines.subscribeSafelyWithoutExceptions
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.StateFlow
+
+fun <T> Flow<T>.asMutableComposeState(
+    initial: T,
+    scope: CoroutineScope
+): MutableState<T> {
+    val state = mutableStateOf(initial)
+    subscribeSafelyWithoutExceptions(scope) { state.value = it }
+    return state
+}
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun <T> StateFlow<T>.asMutableComposeState(
+    scope: CoroutineScope
+): MutableState<T> = asMutableComposeState(value, scope)
+
+fun <T> Flow<T>.asComposeState(
+    initial: T,
+    scope: CoroutineScope
+): State<T> {
+    val state = asMutableComposeState(initial, scope)
+    return derivedStateOf { state.value }
+}
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun <T> StateFlow<T>.asComposeState(
+    scope: CoroutineScope
+): State<T> = asComposeState(value, scope)
+

coroutines/compose/src/commonMain/kotlin/dev/inmo/micro_utils/coroutines/compose/FlowToMutableState.kt

@@ -16,6 +16,7 @@ fun <T> Flow<T>.toMutableState(
     return state
 }
 
+@Suppress("NOTHING_TO_INLINE")
 inline fun <T> StateFlow<T>.toMutableState(
     scope: CoroutineScope
 ): MutableState<T> = toMutableState(value, scope)

coroutines/src/commonMain/kotlin/dev/inmo/micro_utils/coroutines/AccumulatorFlow.kt

@@ -6,11 +6,12 @@ import kotlinx.coroutines.channels.Channel
 import kotlinx.coroutines.flow.*
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
+import kotlin.coroutines.cancellation.CancellationException
 
-private sealed interface AccumulatorFlowStep
-private data class DataRetrievedAccumulatorFlowStep(val data: Any) : AccumulatorFlowStep
-private data class SubscribeAccumulatorFlowStep(val channel: Channel<Any>) : AccumulatorFlowStep
-private data class UnsubscribeAccumulatorFlowStep(val channel: Channel<Any>) : AccumulatorFlowStep
+private sealed interface AccumulatorFlowStep<T>
+private data class DataRetrievedAccumulatorFlowStep<T>(val data: T) : AccumulatorFlowStep<T>
+private data class SubscribeAccumulatorFlowStep<T>(val channel: Channel<T>) : AccumulatorFlowStep<T>
+private data class UnsubscribeAccumulatorFlowStep<T>(val channel: Channel<T>) : AccumulatorFlowStep<T>
 
 /**
  * This [Flow] will have behaviour very similar to [SharedFlow], but there are several differences:
@@ -26,12 +27,12 @@ class AccumulatorFlow<T>(
     private val subscope = scope.LinkedSupervisorScope()
     private val activeData = ArrayDeque<T>()
     private val dataMutex = Mutex()
-    private val channelsForBroadcast = mutableListOf<Channel<Any>>()
+    private val channelsForBroadcast = mutableListOf<Channel<T>>()
     private val channelsMutex = Mutex()
-    private val steps = subscope.actor<AccumulatorFlowStep> { step ->
+    private val steps = subscope.actor<AccumulatorFlowStep<T>> { step ->
         when (step) {
             is DataRetrievedAccumulatorFlowStep -> {
-                if (activeData.first() === step.data) {
+                if (activeData.firstOrNull() === step.data) {
                     dataMutex.withLock {
                         activeData.removeFirst()
                     }
@@ -42,7 +43,7 @@ class AccumulatorFlow<T>(
                 dataMutex.withLock {
                     val dataToSend = activeData.toList()
                     safelyWithoutExceptions {
-                        dataToSend.forEach { step.channel.send(it as Any) }
+                        dataToSend.forEach { step.channel.send(it) }
                     }
                 }
             }
@@ -58,24 +59,29 @@ class AccumulatorFlow<T>(
         channelsMutex.withLock {
             channelsForBroadcast.forEach { channel ->
                 safelyWithResult {
-                    channel.send(it as Any)
+                    channel.send(it)
                 }
             }
         }
     }
 
     override suspend fun collectSafely(collector: FlowCollector<T>) {
-        val channel = Channel<Any>(Channel.UNLIMITED, BufferOverflow.SUSPEND)
+        val channel = Channel<T>(Channel.UNLIMITED, BufferOverflow.SUSPEND)
         steps.send(SubscribeAccumulatorFlowStep(channel))
-        for (data in channel) {
-            try {
-                collector.emit(data as T)
-                steps.send(DataRetrievedAccumulatorFlowStep(data))
-            } finally {
-                channel.cancel()
-                steps.send(UnsubscribeAccumulatorFlowStep(channel))
+        val result = runCatchingSafely {
+            for (data in channel) {
+                val emitResult = runCatchingSafely {
+                    collector.emit(data)
+                }
+                if (emitResult.isSuccess || emitResult.exceptionOrNull() is CancellationException) {
+                    steps.send(DataRetrievedAccumulatorFlowStep(data))
+                }
+                emitResult.getOrThrow()
             }
         }
+        channel.cancel()
+        steps.send(UnsubscribeAccumulatorFlowStep(channel))
+        result.getOrThrow()
     }
 }
 

coroutines/src/jsMain/kotlin/dev.inmo.micro_utils.coroutines/ElementVisibilityFlow.kt

@@ -0,0 +1,28 @@
+package dev.inmo.micro_utils.coroutines
+
+import dev.inmo.micro_utils.common.onRemoved
+import dev.inmo.micro_utils.common.onVisibilityChanged
+import kotlinx.coroutines.flow.*
+import org.w3c.dom.Element
+
+fun Element.visibilityFlow(): Flow<Boolean> = channelFlow {
+    var previousData: Boolean? = null
+
+    val observer = onVisibilityChanged { intersectionRatio, _ ->
+        val currentData = intersectionRatio > 0
+        if (currentData != previousData) {
+            trySend(currentData)
+        }
+        previousData = currentData
+    }
+
+    val removeObserver = onRemoved {
+        observer.disconnect()
+        close()
+    }
+
+    invokeOnClose {
+        observer.disconnect()
+        removeObserver.disconnect()
+    }
+}

crypto/src/commonMain/kotlin/dev/inmo/micro_utils/crypto/Hex.kt

@@ -0,0 +1,15 @@
+package dev.inmo.micro_utils.crypto
+
+val HEX_ARRAY = "0123456789abcdef".toCharArray()
+
+fun SourceBytes.hex(): String {
+    val hexChars = CharArray(size * 2)
+    for (j in indices) {
+        val v: Int = this[j].toInt() and 0xFF
+        hexChars[j * 2] = HEX_ARRAY[v ushr 4]
+        hexChars[j * 2 + 1] = HEX_ARRAY[v and 0x0F]
+    }
+    return hexChars.concatToString()
+}
+
+fun SourceString.hex(): String = encodeToByteArray().hex()

crypto/src/commonTest/kotlin/dev/inmo/micro_utils/crypto/Hex.kt

@@ -0,0 +1,15 @@
+package dev.inmo.micro_utils.crypto
+
+import kotlin.test.*
+
+class Hex {
+    @Test
+    fun testSimpleHmacSHA256Message() {
+        val text = "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum."
+        val resultHex = text.hex()
+        assertEquals(
+            "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",
+            resultHex
+        )
+    }
+}

fsm/common/src/commonMain/kotlin/dev/inmo/micro_utils/fsm/common/CheckableHandlerHolder.kt

@@ -47,24 +47,11 @@ fun <I : O, O : State> CheckableHandlerHolder(
     }
 )
 
-@Deprecated("Renamed", ReplaceWith("CheckableHandlerHolder"))
-fun <I : O, O : State> StateHandlerHolder(
-    inputKlass: KClass<I>,
-    strict: Boolean = false,
-    delegateTo: StatesHandler<I, O>
-) = CheckableHandlerHolder(inputKlass, strict, delegateTo)
-
 inline fun <reified I : O, O : State> CheckableHandlerHolder(
     strict: Boolean = false,
     delegateTo: StatesHandler<I, O>
 ) = CheckableHandlerHolder(I::class, strict, delegateTo)
 
-@Deprecated("Renamed", ReplaceWith("CheckableHandlerHolder"))
-inline fun <reified I : O, O : State> StateHandlerHolder(
-    strict: Boolean = false,
-    delegateTo: StatesHandler<I, O>
-) = CheckableHandlerHolder(strict, delegateTo)
-
 inline fun <reified I : O, O: State> StatesHandler<I, O>.holder(
     strict: Boolean = true
 ) = CheckableHandlerHolder<I, O>(

fsm/common/src/commonMain/kotlin/dev/inmo/micro_utils/fsm/common/StatesMachine.kt

@@ -3,7 +3,10 @@ package dev.inmo.micro_utils.fsm.common
 import dev.inmo.micro_utils.common.Optional
 import dev.inmo.micro_utils.common.onPresented
 import dev.inmo.micro_utils.coroutines.*
+import dev.inmo.micro_utils.fsm.common.utils.StateHandlingErrorHandler
+import dev.inmo.micro_utils.fsm.common.utils.defaultStateHandlingErrorHandler
 import kotlinx.coroutines.*
+import kotlinx.coroutines.flow.asFlow
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 
@@ -13,13 +16,24 @@ import kotlinx.coroutines.sync.withLock
  * handling until [start] method will be called
  */
 interface StatesMachine<T : State> : StatesHandler<T, T> {
+    suspend fun launchStateHandling(
+        state: T,
+        handlers: List<CheckableHandlerHolder<in T, T>>,
+        onStateHandlingErrorHandler: StateHandlingErrorHandler<T>
+    ): T? {
+        return runCatchingSafely {
+            handlers.firstOrNull { it.checkHandleable(state) } ?.run {
+                handleState(state)
+            }
+        }.getOrElse {
+            onStateHandlingErrorHandler(state, it)
+        }
+    }
     suspend fun launchStateHandling(
         state: T,
         handlers: List<CheckableHandlerHolder<in T, T>>
     ): T? {
-        return handlers.firstOrNull { it.checkHandleable(state) } ?.run {
-            handleState(state)
-        }
+        return launchStateHandling(state, handlers, defaultStateHandlingErrorHandler())
     }
 
     /**
@@ -38,8 +52,9 @@ interface StatesMachine<T : State> : StatesHandler<T, T> {
          */
         operator fun <T: State> invoke(
             statesManager: StatesManager<T>,
-            handlers: List<CheckableHandlerHolder<in T, T>>
-        ) = DefaultStatesMachine(statesManager, handlers)
+            handlers: List<CheckableHandlerHolder<in T, T>>,
+            onStateHandlingErrorHandler: StateHandlingErrorHandler<T> = defaultStateHandlingErrorHandler()
+        ) = DefaultStatesMachine(statesManager, handlers, onStateHandlingErrorHandler)
     }
 }
 
@@ -52,12 +67,17 @@ interface StatesMachine<T : State> : StatesHandler<T, T> {
 open class DefaultStatesMachine <T: State>(
     protected val statesManager: StatesManager<T>,
     protected val handlers: List<CheckableHandlerHolder<in T, T>>,
+    protected val onStateHandlingErrorHandler: StateHandlingErrorHandler<T> = defaultStateHandlingErrorHandler()
 ) : StatesMachine<T> {
     /**
      * Will call [launchStateHandling] for state handling
      */
     override suspend fun StatesMachine<in T>.handleState(state: T): T? = launchStateHandling(state, handlers)
 
+    override suspend fun launchStateHandling(state: T, handlers: List<CheckableHandlerHolder<in T, T>>): T? {
+        return launchStateHandling(state, handlers, onStateHandlingErrorHandler)
+    }
+
     /**
      * This
      */
@@ -66,10 +86,10 @@ open class DefaultStatesMachine <T: State>(
 
     protected open suspend fun performUpdate(state: T) {
         val newState = launchStateHandling(state, handlers)
-        if (newState != null) {
-            statesManager.update(state, newState)
-        } else {
+        if (newState == null) {
             statesManager.endChain(state)
+        } else {
+            statesManager.update(state, newState)
         }
     }
 
@@ -99,7 +119,7 @@ open class DefaultStatesMachine <T: State>(
      * [StatesManager.endChain].
      */
     override fun start(scope: CoroutineScope): Job = scope.launchSafelyWithoutExceptions {
-        statesManager.onStartChain.subscribeSafelyWithoutExceptions(this) {
+        (statesManager.getActiveStates().asFlow() + statesManager.onStartChain).subscribeSafelyWithoutExceptions(this) {
             launch { performStateUpdate(Optional.absent(), it, scope.LinkedSupervisorScope()) }
         }
         statesManager.onChainStateUpdated.subscribeSafelyWithoutExceptions(this) {
@@ -115,10 +135,6 @@ open class DefaultStatesMachine <T: State>(
                 }
             }
         }
-
-        statesManager.getActiveStates().forEach {
-            launch { performStateUpdate(Optional.absent(), it, scope.LinkedSupervisorScope()) }
-        }
     }
 
     /**

fsm/common/src/commonMain/kotlin/dev/inmo/micro_utils/fsm/common/UpdatableStatesMachine.kt

@@ -1,6 +1,8 @@
 package dev.inmo.micro_utils.fsm.common
 
 import dev.inmo.micro_utils.common.*
+import dev.inmo.micro_utils.fsm.common.utils.StateHandlingErrorHandler
+import dev.inmo.micro_utils.fsm.common.utils.defaultStateHandlingErrorHandler
 import kotlinx.coroutines.*
 import kotlinx.coroutines.sync.withLock
 
@@ -20,9 +22,11 @@ interface UpdatableStatesMachine<T : State> : StatesMachine<T> {
 open class DefaultUpdatableStatesMachine<T : State>(
     statesManager: StatesManager<T>,
     handlers: List<CheckableHandlerHolder<in T, T>>,
+    onStateHandlingErrorHandler: StateHandlingErrorHandler<T> = defaultStateHandlingErrorHandler()
 ) : DefaultStatesMachine<T>(
     statesManager,
-    handlers
+    handlers,
+    onStateHandlingErrorHandler
 ), UpdatableStatesMachine<T> {
     protected val jobsStates = mutableMapOf<Job, T>()
 
@@ -34,7 +38,7 @@ open class DefaultUpdatableStatesMachine<T : State>(
      */
     override suspend fun performStateUpdate(previousState: Optional<T>, actualState: T, scope: CoroutineScope) {
         statesJobsMutex.withLock {
-            if (compare(previousState, actualState)) {
+            if (shouldReplaceJob(previousState, actualState)) {
                 statesJobs[actualState] ?.cancel()
             }
             val job = previousState.mapOnPresented {
@@ -48,6 +52,7 @@ open class DefaultUpdatableStatesMachine<T : State>(
                             statesJobs.remove(
                                 jobsStates[job] ?: return@withLock
                             )
+                            jobsStates.remove(job)
                         }
                     }
                 }
@@ -63,9 +68,6 @@ open class DefaultUpdatableStatesMachine<T : State>(
      */
     protected open suspend fun shouldReplaceJob(previous: Optional<T>, new: T): Boolean = previous.dataOrNull() != new
 
-    @Deprecated("Overwrite shouldReplaceJob instead")
-    protected open suspend fun compare(previous: Optional<T>, new: T): Boolean = shouldReplaceJob(previous, new)
-
     override suspend fun updateChain(currentState: T, newState: T) {
         statesManager.update(currentState, newState)
     }

fsm/common/src/commonMain/kotlin/dev/inmo/micro_utils/fsm/common/managers/DefaultStatesManager.kt

@@ -39,13 +39,17 @@ interface DefaultStatesManagerRepo<T : State> {
  * @param repo This repo will be used as repository for storing states. All operations with this repo will happen BEFORE
  * any event will be sent to [onChainStateUpdated], [onStartChain] or [onEndChain]. By default, will be used
  * [InMemoryDefaultStatesManagerRepo] or you may create custom [DefaultStatesManagerRepo] and pass as [repo] parameter
- * @param onContextsConflictResolver Receive old [State], new one and the state currently placed on new [State.context]
+ * @param onStartContextsConflictResolver Receive current [State] and the state passed with [startChain]. In case when
+ * this callback will return true, currently placed on the [State.context] [State] will be replaced by new state
+ * with [endChain] with current state
+ * @param onUpdateContextsConflictResolver Receive old [State], new one and the state currently placed on new [State.context]
  * key. In case when this callback will returns true, the state placed on [State.context] of new will be replaced by
  * new state by using [endChain] with that state
  */
 open class DefaultStatesManager<T : State>(
     protected val repo: DefaultStatesManagerRepo<T> = InMemoryDefaultStatesManagerRepo(),
-    protected val onContextsConflictResolver: suspend (old: T, new: T, currentNew: T) -> Boolean = { _, _, _ -> true }
+    protected val onStartContextsConflictResolver: suspend (current: T, new: T) -> Boolean = { _, _ -> true },
+    protected val onUpdateContextsConflictResolver: suspend (old: T, new: T, currentNew: T) -> Boolean = { _, _, _ -> true }
 ) : StatesManager<T> {
     protected val _onChainStateUpdated = MutableSharedFlow<Pair<T, T>>(0)
     override val onChainStateUpdated: Flow<Pair<T, T>> = _onChainStateUpdated.asSharedFlow()
@@ -56,6 +60,14 @@ open class DefaultStatesManager<T : State>(
 
     protected val mapMutex = Mutex()
 
+    constructor(
+        repo: DefaultStatesManagerRepo<T>,
+        onContextsConflictResolver: suspend (old: T, new: T, currentNew: T) -> Boolean
+    ) : this (
+        repo,
+        onUpdateContextsConflictResolver = onContextsConflictResolver
+    )
+
     override suspend fun update(old: T, new: T) = mapMutex.withLock {
         val stateByOldContext: T? = repo.getContextState(old.context)
         when {
@@ -67,7 +79,7 @@ open class DefaultStatesManager<T : State>(
             }
             else -> {
                 val stateOnNewOneContext = repo.getContextState(new.context)
-                if (stateOnNewOneContext == null || onContextsConflictResolver(old, new, stateOnNewOneContext)) {
+                if (stateOnNewOneContext == null || onUpdateContextsConflictResolver(old, new, stateOnNewOneContext)) {
                     stateOnNewOneContext ?.let { endChainWithoutLock(it) }
                     repo.removeState(old)
                     repo.set(new)
@@ -78,7 +90,11 @@ open class DefaultStatesManager<T : State>(
     }
 
     override suspend fun startChain(state: T) = mapMutex.withLock {
-        if (!repo.contains(state.context)) {
+        val stateOnContext = repo.getContextState(state.context)
+        if (stateOnContext == null || onStartContextsConflictResolver(stateOnContext, state)) {
+            stateOnContext ?.let {
+                endChainWithoutLock(it)
+            }
             repo.set(state)
             _onStartChain.emit(state)
         }

fsm/common/src/commonMain/kotlin/dev/inmo/micro_utils/fsm/common/managers/InMemoryStatesManager.kt

@@ -1,16 +0,0 @@
-package dev.inmo.micro_utils.fsm.common.managers
-
-import dev.inmo.micro_utils.fsm.common.State
-import kotlinx.coroutines.flow.*
-
-/**
- * Creates [DefaultStatesManager] with [InMemoryDefaultStatesManagerRepo]
- *
- * @param onContextsConflictResolver Receive old [State], new one and the state currently placed on new [State.context]
- * key. In case when this callback will returns true, the state placed on [State.context] of new will be replaced by
- * new state by using [endChain] with that state
- */
-@Deprecated("Use DefaultStatesManager instead", ReplaceWith("DefaultStatesManager"))
-fun <T: State> InMemoryStatesManager(
-    onContextsConflictResolver: suspend (old: T, new: T, currentNew: T) -> Boolean = { _, _, _ -> true }
-) = DefaultStatesManager(onContextsConflictResolver = onContextsConflictResolver)

fsm/common/src/commonMain/kotlin/dev/inmo/micro_utils/fsm/common/utils/StateHandlingErrorHandler.kt

@@ -0,0 +1,6 @@
+package dev.inmo.micro_utils.fsm.common.utils
+
+typealias StateHandlingErrorHandler<T> = suspend (T, Throwable) -> T?
+val DefaultStateHandlingErrorHandler: StateHandlingErrorHandler<*> = { _, _ -> null }
+inline fun <T> defaultStateHandlingErrorHandler(): StateHandlingErrorHandler<T> = DefaultStateHandlingErrorHandler as StateHandlingErrorHandler<T>
+

fsm/common/src/jvmTest/kotlin/PlayableMain.kt

@@ -1,7 +1,6 @@
 import dev.inmo.micro_utils.fsm.common.*
 import dev.inmo.micro_utils.fsm.common.dsl.buildFSM
 import dev.inmo.micro_utils.fsm.common.managers.DefaultStatesManager
-import dev.inmo.micro_utils.fsm.common.managers.InMemoryStatesManager
 import kotlinx.coroutines.*
 
 sealed interface TrafficLightState : State {

github_release.gradle

@@ -21,7 +21,7 @@ if (new File(projectDir, "secret.gradle").exists()) {
         owner "InsanusMokrassar"
         repo "MicroUtils"
 
-        tagName "${project.version}"
+        tagName "v${project.version}"
         releaseName "${project.version}"
         targetCommitish "${project.version}"
 

gradle.properties

@@ -14,5 +14,5 @@ crypto_js_version=4.1.1
 # Project data
 
 group=dev.inmo
-version=0.9.16
-android_code_version=106
+version=0.12.3
+android_code_version=142

gradle/libs.versions.toml

@@ -1,30 +1,30 @@
 [versions]
 
-kt = "1.6.10"
-kt-serialization = "1.3.2"
-kt-coroutines = "1.6.0"
+kt = "1.7.0"
+kt-serialization = "1.4.0"
+kt-coroutines = "1.6.4"
 
-jb-compose = "1.1.1"
-jb-exposed = "0.37.3"
-jb-dokka = "1.6.10"
+jb-compose = "1.2.0-alpha01-dev755"
+jb-exposed = "0.39.2"
+jb-dokka = "1.7.0"
 
-klock = "2.6.3"
-uuid = "0.4.0"
+klock = "3.0.0"
+uuid = "0.5.0"
 
-ktor = "1.6.8"
+ktor = "2.1.0"
 
-gh-release = "2.2.12"
+gh-release = "2.4.1"
 
-android-gradle = "7.0.4"
-dexcount = "3.0.1"
+android-gradle = "7.2.2"
+dexcount = "3.1.0"
 
-android-coreKtx = "1.7.0"
+android-coreKtx = "1.8.0"
 android-recyclerView = "1.2.1"
-android-appCompat = "1.4.1"
-android-espresso = "3.3.0"
-android-test = "1.1.2"
+android-appCompat = "1.4.2"
+android-espresso = "3.4.0"
+android-test = "1.1.3"
 
-android-props-minSdk = "19"
+android-props-minSdk = "21"
 android-props-compileSdk = "32"
 android-props-buildTools = "32.0.0"
 
@@ -37,14 +37,24 @@ kt-serialization-cbor = { module = "org.jetbrains.kotlinx:kotlinx-serialization-
 
 kt-coroutines = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-core", version.ref = "kt-coroutines" }
 kt-coroutines-android = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-android", version.ref = "kt-coroutines" }
+kt-coroutines-test = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-test", version.ref = "kt-coroutines" }
 
 
+ktor-io = { module = "io.ktor:ktor-io", version.ref = "ktor" }
+ktor-serialization-kotlinx-json = { module = "io.ktor:ktor-serialization-kotlinx-json", version.ref = "ktor" }
 ktor-client = { module = "io.ktor:ktor-client-core", version.ref = "ktor" }
+ktor-client-cio = { module = "io.ktor:ktor-client-cio", version.ref = "ktor" }
 ktor-client-java = { module = "io.ktor:ktor-client-java", version.ref = "ktor" }
+ktor-client-websockets = { module = "io.ktor:ktor-client-websockets", version.ref = "ktor" }
+ktor-client-logging = { module = "io.ktor:ktor-client-logging", version.ref = "ktor" }
+ktor-client-content-negotiation = { module = "io.ktor:ktor-client-content-negotiation", version.ref = "ktor" }
 ktor-server = { module = "io.ktor:ktor-server", version.ref = "ktor" }
 ktor-server-cio = { module = "io.ktor:ktor-server-cio", version.ref = "ktor" }
 ktor-server-host-common = { module = "io.ktor:ktor-server-host-common", version.ref = "ktor" }
 ktor-websockets = { module = "io.ktor:ktor-websockets", version.ref = "ktor" }
+ktor-server-websockets = { module = "io.ktor:ktor-server-websockets", version.ref = "ktor" }
+ktor-server-statusPages = { module = "io.ktor:ktor-server-status-pages", version.ref = "ktor" }
+ktor-server-content-negotiation = { module = "io.ktor:ktor-server-content-negotiation", version.ref = "ktor" }
 
 
 klock = { module = "com.soywiz.korlibs.klock:klock", version.ref = "klock" }

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/ktor/client/FlowsWebsockets.kt

@@ -1,59 +1,62 @@
 package dev.inmo.micro_utils.ktor.client
 
+import dev.inmo.micro_utils.coroutines.runCatchingSafely
 import dev.inmo.micro_utils.coroutines.safely
 import dev.inmo.micro_utils.ktor.common.*
 import io.ktor.client.HttpClient
-import io.ktor.client.features.websocket.ws
+import io.ktor.client.plugins.pluginOrNull
+import io.ktor.client.plugins.websocket.WebSockets
+import io.ktor.client.plugins.websocket.ws
 import io.ktor.client.request.HttpRequestBuilder
-import io.ktor.http.cio.websocket.Frame
-import io.ktor.http.cio.websocket.readBytes
+import io.ktor.websocket.Frame
+import io.ktor.websocket.readBytes
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.channelFlow
+import kotlinx.coroutines.isActive
 import kotlinx.serialization.DeserializationStrategy
 
 /**
  * @param checkReconnection This lambda will be called when it is required to reconnect to websocket to establish
  * connection. Must return true in case if must be reconnected. By default always reconnecting
  */
+@Deprecated("This method will be removed soon. It is now recommended to use built-in ktor features instead")
 inline fun <T> HttpClient.createStandardWebsocketFlow(
     url: String,
-    crossinline checkReconnection: (Throwable?) -> Boolean = { true },
+    crossinline checkReconnection: suspend (Throwable?) -> Boolean = { true },
     noinline requestBuilder: HttpRequestBuilder.() -> Unit = {},
     crossinline conversation: suspend (StandardKtorSerialInputData) -> T
 ): Flow<T> {
+    pluginOrNull(WebSockets) ?: error("Plugin $WebSockets must be installed for using createStandardWebsocketFlow")
+
     val correctedUrl = url.asCorrectWebSocketUrl
 
     return channelFlow {
-        val producerScope = this@channelFlow
         do {
-            val reconnect = try {
-                safely {
-                    ws(correctedUrl, requestBuilder) {
-                        for (received in incoming) {
-                            when (received) {
-                                is Frame.Binary -> producerScope.send(conversation(received.readBytes()))
-                                else -> {
-                                    producerScope.close()
-                                    return@ws
-                                }
+            val reconnect = runCatchingSafely {
+                ws(correctedUrl, requestBuilder) {
+                    for (received in incoming) {
+                        when (received) {
+                            is Frame.Binary -> send(conversation(received.data))
+                            else -> {
+                                close()
+                                return@ws
                             }
                         }
                     }
                 }
                 checkReconnection(null)
-            } catch (e: Throwable) {
+            }.getOrElse { e ->
                 checkReconnection(e).also {
                     if (!it) {
-                        producerScope.close(e)
+                        close(e)
                     }
                 }
             }
-        } while (reconnect)
-        if (!producerScope.isClosedForSend) {
-            safely(
-                { it.printStackTrace() }
-            ) {
-                producerScope.close()
+        } while (reconnect && isActive)
+
+        if (isActive) {
+            safely {
+                close()
             }
         }
     }
@@ -63,10 +66,11 @@ inline fun <T> HttpClient.createStandardWebsocketFlow(
  * @param checkReconnection This lambda will be called when it is required to reconnect to websocket to establish
  * connection. Must return true in case if must be reconnected. By default always reconnecting
  */
+@Deprecated("This method will be removed soon. It is now recommended to use built-in ktor features instead")
 inline fun <T> HttpClient.createStandardWebsocketFlow(
     url: String,
-    crossinline checkReconnection: (Throwable?) -> Boolean = { true },
     deserializer: DeserializationStrategy<T>,
+    crossinline checkReconnection: suspend (Throwable?) -> Boolean = { true },
     serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat,
     noinline requestBuilder: HttpRequestBuilder.() -> Unit = {},
 ) = createStandardWebsocketFlow(

ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/ktor/client/HttpStatusCodeAsThrowable.kt

@@ -0,0 +1,15 @@
+package dev.inmo.micro_utils.ktor.client
+
+import io.ktor.client.plugins.ClientRequestException
+import io.ktor.client.statement.HttpResponse
+import io.ktor.http.isSuccess
+
+inline fun HttpResponse.throwOnUnsuccess(
+    unsuccessMessage: () -> String
+) {
+    if (status.isSuccess()) {
+        return
+    }
+
+    throw ClientRequestException(this, unsuccessMessage())
+}

ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/ktor/client/NewFlowsWebsockets.kt

@@ -0,0 +1,103 @@
+package dev.inmo.micro_utils.ktor.client
+
+import dev.inmo.micro_utils.common.Warning
+import dev.inmo.micro_utils.coroutines.runCatchingSafely
+import dev.inmo.micro_utils.coroutines.safely
+import dev.inmo.micro_utils.ktor.common.*
+import io.ktor.client.HttpClient
+import io.ktor.client.plugins.pluginOrNull
+import io.ktor.client.plugins.websocket.*
+import io.ktor.client.request.HttpRequestBuilder
+import io.ktor.http.URLProtocol
+import kotlinx.coroutines.channels.SendChannel
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.channelFlow
+import kotlinx.coroutines.isActive
+
+/**
+ * @param checkReconnection This lambda will be called when it is required to reconnect to websocket to establish
+ * connection. Must return true in case if must be reconnected. By default always reconnecting
+ */
+@Warning("This feature is internal and should not be used directly. It is can be changed without any notification and warranty on compile-time or other guaranties")
+inline fun <reified T : Any> openBaseWebSocketFlow(
+    noinline checkReconnection: suspend (Throwable?) -> Boolean = { true },
+    noinline webSocketSessionRequest: suspend SendChannel<T>.() -> Unit
+): Flow<T> {
+    return channelFlow {
+        do {
+            val reconnect = runCatchingSafely {
+                webSocketSessionRequest()
+                checkReconnection(null)
+            }.getOrElse { e ->
+                checkReconnection(e).also {
+                    if (!it) {
+                        close(e)
+                    }
+                }
+            }
+        } while (reconnect && isActive)
+
+        if (isActive) {
+            safely {
+                close()
+            }
+        }
+    }
+}
+
+/**
+ * @param checkReconnection This lambda will be called when it is required to reconnect to websocket to establish
+ * connection. Must return true in case if must be reconnected. By default always reconnecting
+ */
+inline fun <reified T : Any> HttpClient.openWebSocketFlow(
+    url: String,
+    useSecureConnection: Boolean,
+    noinline checkReconnection: suspend (Throwable?) -> Boolean = { true },
+    noinline requestBuilder: HttpRequestBuilder.() -> Unit = {}
+): Flow<T> {
+    pluginOrNull(WebSockets) ?: error("Plugin $WebSockets must be installed for using createStandardWebsocketFlow")
+
+    return openBaseWebSocketFlow<T>(checkReconnection) {
+        val block: suspend DefaultClientWebSocketSession.() -> Unit = {
+            while (isActive) {
+                send(receiveDeserialized<T>())
+            }
+        }
+
+        if (useSecureConnection) {
+            wss(url, requestBuilder, block)
+        } else {
+            ws(url, requestBuilder, block)
+        }
+    }
+}
+
+/**
+ * @param checkReconnection This lambda will be called when it is required to reconnect to websocket to establish
+ * connection. Must return true in case if must be reconnected. By default always reconnecting
+ */
+inline fun <reified T : Any> HttpClient.openWebSocketFlow(
+    url: String,
+    noinline checkReconnection: suspend (Throwable?) -> Boolean = { true },
+    noinline requestBuilder: HttpRequestBuilder.() -> Unit = {}
+): Flow<T> = openWebSocketFlow(url, false, checkReconnection, requestBuilder)
+
+/**
+ * @param checkReconnection This lambda will be called when it is required to reconnect to websocket to establish
+ * connection. Must return true in case if must be reconnected. By default always reconnecting
+ */
+inline fun <reified T : Any> HttpClient.openSecureWebSocketFlow(
+    url: String,
+    noinline checkReconnection: suspend (Throwable?) -> Boolean = { true },
+    noinline requestBuilder: HttpRequestBuilder.() -> Unit = {}
+): Flow<T> = openWebSocketFlow(url, true, checkReconnection, requestBuilder)
+
+/**
+ * @param checkReconnection This lambda will be called when it is required to reconnect to websocket to establish
+ * connection. Must return true in case if must be reconnected. By default always reconnecting
+ */
+inline fun <reified T : Any> HttpClient.createStandardWebsocketFlow(
+    url: String,
+    noinline checkReconnection: suspend (Throwable?) -> Boolean = { true },
+    noinline requestBuilder: HttpRequestBuilder.() -> Unit = {}
+): Flow<T> = openWebSocketFlow(url, checkReconnection, requestBuilder)

ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/ktor/client/StandardHttpClientGetPost.kt

@@ -4,14 +4,15 @@ import dev.inmo.micro_utils.common.MPPFile
 import dev.inmo.micro_utils.common.filename
 import dev.inmo.micro_utils.ktor.common.*
 import io.ktor.client.HttpClient
+import io.ktor.client.call.body
 import io.ktor.client.request.*
 import io.ktor.client.request.forms.*
+import io.ktor.client.statement.readBytes
 import io.ktor.http.*
 import io.ktor.utils.io.core.ByteReadPacket
 import kotlinx.serialization.*
 
-typealias BodyPair<T> = Pair<SerializationStrategy<T>, T>
-
+@Deprecated("This class will be removed soon. It is now recommended to use built-in ktor features instead")
 class UnifiedRequester(
     val client: HttpClient = HttpClient(),
     val serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
@@ -31,7 +32,7 @@ class UnifiedRequester(
 
     suspend fun <BodyType, ResultType> unipost(
         url: String,
-        bodyInfo: BodyPair<BodyType>,
+        bodyInfo: Pair<SerializationStrategy<BodyType>, BodyType>,
         resultDeserializer: DeserializationStrategy<ResultType>
     ) = client.unipost(url, bodyInfo, resultDeserializer, serialFormat)
 
@@ -50,7 +51,7 @@ class UnifiedRequester(
         url: String,
         filename: String,
         inputProvider: InputProvider,
-        otherData: BodyPair<BodyType>,
+        otherData: Pair<SerializationStrategy<BodyType>, BodyType>,
         resultDeserializer: DeserializationStrategy<ResultType>,
         mimetype: String = "*/*",
         additionalParametersBuilder: FormBuilder.() -> Unit = {},
@@ -73,7 +74,7 @@ class UnifiedRequester(
     suspend fun <BodyType, ResultType> unimultipart(
         url: String,
         mppFile: MPPFile,
-        otherData: BodyPair<BodyType>,
+        otherData: Pair<SerializationStrategy<BodyType>, BodyType>,
         resultDeserializer: DeserializationStrategy<ResultType>,
         mimetype: String = "*/*",
         additionalParametersBuilder: FormBuilder.() -> Unit = {},
@@ -85,31 +86,32 @@ class UnifiedRequester(
 
     fun <T> createStandardWebsocketFlow(
         url: String,
-        checkReconnection: (Throwable?) -> Boolean,
+        checkReconnection: suspend (Throwable?) -> Boolean,
         deserializer: DeserializationStrategy<T>,
         requestBuilder: HttpRequestBuilder.() -> Unit = {},
-    ) = client.createStandardWebsocketFlow(url, checkReconnection, deserializer, serialFormat, requestBuilder)
+    ) = client.createStandardWebsocketFlow(url, deserializer, checkReconnection, serialFormat, requestBuilder)
 
     fun <T> createStandardWebsocketFlow(
         url: String,
         deserializer: DeserializationStrategy<T>,
         requestBuilder: HttpRequestBuilder.() -> Unit = {},
-    ) = createStandardWebsocketFlow(url, { true  }, deserializer, requestBuilder)
+    ) = createStandardWebsocketFlow(url, { true }, deserializer, requestBuilder)
 }
 
+@Deprecated("This property will be removed soon. It is now recommended to use built-in ktor features instead")
 val defaultRequester = UnifiedRequester()
 
+@Deprecated("This method will be removed soon. It is now recommended to use built-in ktor features instead")
 suspend fun <ResultType> HttpClient.uniget(
     url: String,
     resultDeserializer: DeserializationStrategy<ResultType>,
     serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
-) = get<StandardKtorSerialInputData>(
-    url
-).let {
-    serialFormat.decodeDefault(resultDeserializer, it)
+) = get(url).let {
+    serialFormat.decodeDefault(resultDeserializer, it.body<StandardKtorSerialInputData>())
 }
 
 
+@Deprecated("This method will be removed soon. It is now recommended to use built-in ktor features instead")
 fun <T> SerializationStrategy<T>.encodeUrlQueryValue(
     value: T,
     serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
@@ -118,17 +120,21 @@ fun <T> SerializationStrategy<T>.encodeUrlQueryValue(
     value
 )
 
+@Deprecated("This method will be removed soon. It is now recommended to use built-in ktor features instead")
 suspend fun <BodyType, ResultType> HttpClient.unipost(
     url: String,
-    bodyInfo: BodyPair<BodyType>,
+    bodyInfo: Pair<SerializationStrategy<BodyType>, BodyType>,
     resultDeserializer: DeserializationStrategy<ResultType>,
     serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
-) = post<StandardKtorSerialInputData>(url) {
-    body = serialFormat.encodeDefault(bodyInfo.first, bodyInfo.second)
+) = post(url) {
+    setBody(
+        serialFormat.encodeDefault(bodyInfo.first, bodyInfo.second)
+    )
 }.let {
-    serialFormat.decodeDefault(resultDeserializer, it)
+    serialFormat.decodeDefault(resultDeserializer, it.body<StandardKtorSerialInputData>())
 }
 
+@Deprecated("This method will be removed soon. It is now recommended to use built-in ktor features instead")
 suspend fun <ResultType> HttpClient.unimultipart(
     url: String,
     filename: String,
@@ -139,7 +145,7 @@ suspend fun <ResultType> HttpClient.unimultipart(
     dataHeadersBuilder: HeadersBuilder.() -> Unit = {},
     requestBuilder: HttpRequestBuilder.() -> Unit = {},
     serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
-): ResultType = submitFormWithBinaryData<StandardKtorSerialInputData>(
+): ResultType = submitFormWithBinaryData(
     url,
     formData = formData {
         append(
@@ -155,12 +161,13 @@ suspend fun <ResultType> HttpClient.unimultipart(
     }
 ) {
     requestBuilder()
-}.let { serialFormat.decodeDefault(resultDeserializer, it) }
+}.let { serialFormat.decodeDefault(resultDeserializer, it.body<StandardKtorSerialInputData>()) }
 
+@Deprecated("This method will be removed soon. It is now recommended to use built-in ktor features instead")
 suspend fun <BodyType, ResultType> HttpClient.unimultipart(
     url: String,
     filename: String,
-    otherData: BodyPair<BodyType>,
+    otherData: Pair<SerializationStrategy<BodyType>, BodyType>,
     inputProvider: InputProvider,
     resultDeserializer: DeserializationStrategy<ResultType>,
     mimetype: String = "*/*",
@@ -194,6 +201,7 @@ suspend fun <BodyType, ResultType> HttpClient.unimultipart(
     serialFormat
 )
 
+@Deprecated("This method will be removed soon. It is now recommended to use built-in ktor features instead")
 suspend fun <ResultType> HttpClient.unimultipart(
     url: String,
     mppFile: MPPFile,
@@ -215,10 +223,11 @@ suspend fun <ResultType> HttpClient.unimultipart(
     serialFormat
 )
 
+@Deprecated("This method will be removed soon. It is now recommended to use built-in ktor features instead")
 suspend fun <BodyType, ResultType> HttpClient.unimultipart(
     url: String,
     mppFile: MPPFile,
-    otherData: BodyPair<BodyType>,
+    otherData: Pair<SerializationStrategy<BodyType>, BodyType>,
     resultDeserializer: DeserializationStrategy<ResultType>,
     mimetype: String = "*/*",
     additionalParametersBuilder: FormBuilder.() -> Unit = {},

ktor/client/src/jsMain/kotlin/dev/inmo/micro_utils/ktor/client/ActualTemporalUpload.kt

@@ -4,7 +4,10 @@ import dev.inmo.micro_utils.common.MPPFile
 import dev.inmo.micro_utils.ktor.common.TemporalFileId
 import io.ktor.client.HttpClient
 import kotlinx.coroutines.*
+import org.w3c.dom.mediasource.ENDED
+import org.w3c.dom.mediasource.ReadyState
 import org.w3c.xhr.*
+import org.w3c.xhr.XMLHttpRequest.Companion.DONE
 
 suspend fun tempUpload(
     fullTempUploadDraftPath: String,
@@ -12,7 +15,7 @@ suspend fun tempUpload(
     onUpload: (Long, Long) -> Unit
 ): TemporalFileId {
     val formData = FormData()
-    val answer = CompletableDeferred<TemporalFileId>()
+    val answer = CompletableDeferred<TemporalFileId>(currentCoroutineContext().job)
 
     formData.append(
         "data",
@@ -37,17 +40,15 @@ suspend fun tempUpload(
     request.open("POST", fullTempUploadDraftPath, true)
     request.send(formData)
 
-    val handle = currentCoroutineContext().job.invokeOnCompletion {
+    answer.invokeOnCompletion {
         runCatching {
-            request.abort()
+            if (request.readyState != DONE) {
+                request.abort()
+            }
         }
     }
 
-    return runCatching {
-        answer.await()
-    }.also {
-        handle.dispose()
-    }.getOrThrow()
+    return answer.await()
 }
 
 

ktor/client/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/client/ActualTemporalUpload.kt

@@ -4,9 +4,10 @@ import dev.inmo.micro_utils.common.MPPFile
 import dev.inmo.micro_utils.common.filename
 import dev.inmo.micro_utils.ktor.common.TemporalFileId
 import io.ktor.client.HttpClient
-import io.ktor.client.features.onUpload
+import io.ktor.client.plugins.onUpload
 import io.ktor.client.request.forms.formData
 import io.ktor.client.request.forms.submitFormWithBinaryData
+import io.ktor.client.statement.bodyAsText
 import io.ktor.http.Headers
 import io.ktor.http.HttpHeaders
 import java.net.URLConnection
@@ -20,7 +21,7 @@ actual suspend fun HttpClient.tempUpload(
     onUpload: (Long, Long) -> Unit
 ): TemporalFileId {
     val inputProvider = file.inputProvider()
-    val fileId = submitFormWithBinaryData<String>(
+    val fileId = submitFormWithBinaryData(
         fullTempUploadDraftPath,
         formData = formData {
             append(
@@ -34,6 +35,6 @@ actual suspend fun HttpClient.tempUpload(
         }
     ) {
         onUpload(onUpload)
-    }
+    }.bodyAsText()
     return TemporalFileId(fileId)
 }

ktor/common/build.gradle

@@ -14,6 +14,7 @@ kotlin {
                 api libs.kt.serialization.cbor
                 api libs.klock
                 api libs.uuid
+                api libs.ktor.io
             }
         }
     }

ktor/common/src/commonMain/kotlin/dev/inmo/micro_utils/ktor/common/MPPFileInput.kt

@@ -0,0 +1,6 @@
+package dev.inmo.micro_utils.ktor.common
+
+import dev.inmo.micro_utils.common.MPPFile
+import io.ktor.utils.io.core.Input
+
+expect fun MPPFile.input(): Input

ktor/common/src/commonMain/kotlin/dev/inmo/micro_utils/ktor/common/StandardSerializer.kt

@@ -1,3 +1,5 @@
+@file:Suppress("NOTHING_TO_INLINE")
+
 package dev.inmo.micro_utils.ktor.common
 
 import kotlinx.serialization.*

ktor/common/src/jsMain/kotlin/dev/inmo/micro_utils/ktor/common/ActualMPPFileInput.kt

@@ -0,0 +1,7 @@
+package dev.inmo.micro_utils.ktor.common
+
+import dev.inmo.micro_utils.common.*
+import io.ktor.utils.io.core.ByteReadPacket
+import io.ktor.utils.io.core.Input
+
+actual fun MPPFile.input(): Input = ByteReadPacket(readBytes())

ktor/common/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/common/ActualMPPFileInput.kt

@@ -0,0 +1,7 @@
+package dev.inmo.micro_utils.ktor.common
+
+import dev.inmo.micro_utils.common.MPPFile
+import io.ktor.utils.io.core.Input
+import io.ktor.utils.io.streams.asInput
+
+actual fun MPPFile.input(): Input = inputStream().asInput()

ktor/server/build.gradle

@@ -19,7 +19,8 @@ kotlin {
                 api libs.ktor.server
                 api libs.ktor.server.cio
                 api libs.ktor.server.host.common
-                api libs.ktor.websockets
+                api libs.ktor.server.websockets
+                api libs.ktor.server.statusPages
             }
         }
     }

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/ApplicationCallRespondWithTypeInfo.kt

@@ -0,0 +1,15 @@
+package dev.inmo.micro_utils.ktor.server
+
+import io.ktor.server.application.ApplicationCall
+import io.ktor.server.response.responseType
+import io.ktor.util.InternalAPI
+import io.ktor.util.reflect.TypeInfo
+
+@InternalAPI
+suspend fun <T : Any> ApplicationCall.respond(
+    message: T,
+    typeInfo: TypeInfo
+) {
+    response.responseType = typeInfo
+    response.pipeline.execute(this, message as Any)
+}

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/FlowsWebsocket.kt

@@ -2,26 +2,27 @@ package dev.inmo.micro_utils.ktor.server
 
 import dev.inmo.micro_utils.coroutines.safely
 import dev.inmo.micro_utils.ktor.common.*
-import io.ktor.application.featureOrNull
-import io.ktor.application.install
 import io.ktor.http.URLProtocol
-import io.ktor.http.cio.websocket.*
-import io.ktor.routing.Route
-import io.ktor.routing.application
-import io.ktor.websocket.*
+import io.ktor.server.application.install
+import io.ktor.server.application.pluginOrNull
+import io.ktor.server.routing.Route
+import io.ktor.server.routing.application
+import io.ktor.server.websocket.*
+import io.ktor.websocket.send
 import kotlinx.coroutines.flow.Flow
 import kotlinx.serialization.SerializationStrategy
 
+@Deprecated("This method will be removed soon")
 fun <T> Route.includeWebsocketHandling(
     suburl: String,
     flow: Flow<T>,
-    protocol: URLProtocol = URLProtocol.WS,
+    protocol: URLProtocol? = null,
     converter: suspend WebSocketServerSession.(T) -> StandardKtorSerialInputData?
 ) {
     application.apply {
-        featureOrNull(io.ktor.websocket.WebSockets) ?: install(io.ktor.websocket.WebSockets)
+        pluginOrNull(WebSockets) ?: install(WebSockets)
     }
-    webSocket(suburl, protocol.name) {
+    webSocket(suburl, protocol ?.name) {
         safely {
             flow.collect {
                 converter(it) ?.let { data ->
@@ -32,12 +33,13 @@ fun <T> Route.includeWebsocketHandling(
     }
 }
 
+@Deprecated("This method will be removed soon")
 fun <T> Route.includeWebsocketHandling(
     suburl: String,
     flow: Flow<T>,
     serializer: SerializationStrategy<T>,
     serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat,
-    protocol: URLProtocol = URLProtocol.WS,
+    protocol: URLProtocol? = null,
     filter: (suspend WebSocketServerSession.(T) -> Boolean)? = null
 ) = includeWebsocketHandling(
     suburl,

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/NewFlowsWebsocket.kt

@@ -0,0 +1,31 @@
+package dev.inmo.micro_utils.ktor.server
+
+import dev.inmo.micro_utils.coroutines.safely
+import dev.inmo.micro_utils.ktor.common.*
+import io.ktor.http.URLProtocol
+import io.ktor.server.application.install
+import io.ktor.server.application.pluginOrNull
+import io.ktor.server.routing.Route
+import io.ktor.server.routing.application
+import io.ktor.server.websocket.*
+import io.ktor.websocket.send
+import kotlinx.coroutines.flow.Flow
+import kotlinx.serialization.SerializationStrategy
+
+inline fun <reified T : Any> Route.includeWebsocketHandling(
+    suburl: String,
+    flow: Flow<T>,
+    protocol: URLProtocol? = null,
+    noinline dataMapper: suspend WebSocketServerSession.(T) -> T? = { it }
+) {
+    application.apply {
+        pluginOrNull(WebSockets) ?: install(WebSockets)
+    }
+    webSocket(suburl, protocol ?.name) {
+        safely {
+            flow.collect {
+                sendSerialized(dataMapper(it) ?: return@collect)
+            }
+        }
+    }
+}

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/ServerRoutingShortcuts.kt

@@ -3,26 +3,23 @@ package dev.inmo.micro_utils.ktor.server
 import dev.inmo.micro_utils.common.*
 import dev.inmo.micro_utils.coroutines.safely
 import dev.inmo.micro_utils.ktor.common.*
-import io.ktor.application.ApplicationCall
-import io.ktor.application.call
 import io.ktor.http.*
-import io.ktor.http.content.PartData
-import io.ktor.http.content.forEachPart
-import io.ktor.request.receive
-import io.ktor.request.receiveMultipart
-import io.ktor.response.respond
-import io.ktor.response.respondBytes
-import io.ktor.routing.Route
-import io.ktor.util.asStream
-import io.ktor.util.cio.writeChannel
+import io.ktor.http.content.*
+import io.ktor.server.application.ApplicationCall
+import io.ktor.server.application.call
+import io.ktor.server.request.receive
+import io.ktor.server.request.receiveMultipart
+import io.ktor.server.response.respond
+import io.ktor.server.response.respondBytes
+import io.ktor.server.routing.Route
+import io.ktor.server.websocket.WebSocketServerSession
 import io.ktor.util.pipeline.PipelineContext
 import io.ktor.utils.io.core.*
-import io.ktor.websocket.WebSocketServerSession
 import kotlinx.coroutines.flow.Flow
-import kotlinx.serialization.*
-import java.io.File
-import java.io.File.createTempFile
+import kotlinx.serialization.DeserializationStrategy
+import kotlinx.serialization.SerializationStrategy
 
+@Deprecated("This class method will be removed soon. It is now recommended to use built-in ktor features instead")
 class UnifiedRouter(
     val serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat,
     val serialFormatContentType: ContentType = standardKtorSerialFormatContentType
@@ -31,7 +28,7 @@ class UnifiedRouter(
         suburl: String,
         flow: Flow<T>,
         serializer: SerializationStrategy<T>,
-        protocol: URLProtocol = URLProtocol.WS,
+        protocol: URLProtocol? = null,
         filter: (suspend WebSocketServerSession.(T) -> Boolean)? = null
     ) = includeWebsocketHandling(suburl, flow, serializer, serialFormat, protocol, filter)
 
@@ -101,6 +98,7 @@ class UnifiedRouter(
 
 val defaultUnifiedRouter = UnifiedRouter()
 
+@Deprecated("This method will be removed soon. It is now recommended to use built-in ktor features instead")
 suspend fun <T> ApplicationCall.unianswer(
     answerSerializer: SerializationStrategy<T>,
     answer: T
@@ -111,6 +109,7 @@ suspend fun <T> ApplicationCall.unianswer(
     )
 }
 
+@Deprecated("This method will be removed soon. It is now recommended to use built-in ktor features instead")
 suspend fun <T> ApplicationCall.uniload(
     deserializer: DeserializationStrategy<T>
 ) = safely {
@@ -123,6 +122,7 @@ suspend fun <T> ApplicationCall.uniload(
 suspend fun ApplicationCall.uniloadMultipart(
     onFormItem: (PartData.FormItem) -> Unit = {},
     onCustomFileItem: (PartData.FileItem) -> Unit = {},
+    onBinaryChannelItem: (PartData.BinaryChannelItem) -> Unit = {},
     onBinaryContent: (PartData.BinaryItem) -> Unit = {}
 ) = safely {
     val multipartData = receiveMultipart()
@@ -139,16 +139,19 @@ suspend fun ApplicationCall.uniloadMultipart(
                 }
             }
             is PartData.BinaryItem -> onBinaryContent(it)
+            is PartData.BinaryChannelItem -> onBinaryChannelItem(it)
         }
     }
 
     resultInput ?: error("Bytes has not been received")
 }
 
+@Deprecated("This method will be removed soon. It is now recommended to use built-in ktor features instead")
 suspend fun <T> ApplicationCall.uniloadMultipart(
     deserializer: DeserializationStrategy<T>,
     onFormItem: (PartData.FormItem) -> Unit = {},
     onCustomFileItem: (PartData.FileItem) -> Unit = {},
+    onBinaryChannelItem: (PartData.BinaryChannelItem) -> Unit = {},
     onBinaryContent: (PartData.BinaryItem) -> Unit = {}
 ): Pair<Input, T> {
     var data: Optional<T>? = null
@@ -161,6 +164,7 @@ suspend fun <T> ApplicationCall.uniloadMultipart(
                 onCustomFileItem(it)
             }
         },
+        onBinaryChannelItem,
         onBinaryContent
     )
 
@@ -168,10 +172,12 @@ suspend fun <T> ApplicationCall.uniloadMultipart(
     return resultInput to (completeData.dataOrNull().let { it as T })
 }
 
+@Deprecated("This method will be removed soon. It is now recommended to use built-in ktor features instead")
 suspend fun <T> ApplicationCall.uniloadMultipartFile(
     deserializer: DeserializationStrategy<T>,
     onFormItem: (PartData.FormItem) -> Unit = {},
     onCustomFileItem: (PartData.FileItem) -> Unit = {},
+    onBinaryChannelItem: (PartData.BinaryChannelItem) -> Unit = {},
     onBinaryContent: (PartData.BinaryItem) -> Unit = {},
 ) = safely {
     val multipartData = receiveMultipart()
@@ -197,7 +203,9 @@ suspend fun <T> ApplicationCall.uniloadMultipartFile(
                             ".${name.extension}"
                         ).apply {
                             outputStream().use { fileStream ->
-                                it.provider().asStream().copyTo(fileStream)
+                                it.streamProvider().use {
+                                    it.copyTo(fileStream)
+                                }
                             }
                         }
                     }
@@ -206,6 +214,7 @@ suspend fun <T> ApplicationCall.uniloadMultipartFile(
                 }
             }
             is PartData.BinaryItem -> onBinaryContent(it)
+            is PartData.BinaryChannelItem -> onBinaryChannelItem(it)
         }
     }
 
@@ -216,6 +225,7 @@ suspend fun <T> ApplicationCall.uniloadMultipartFile(
 suspend fun ApplicationCall.uniloadMultipartFile(
     onFormItem: (PartData.FormItem) -> Unit = {},
     onCustomFileItem: (PartData.FileItem) -> Unit = {},
+    onBinaryChannelItem: (PartData.BinaryChannelItem) -> Unit = {},
     onBinaryContent: (PartData.BinaryItem) -> Unit = {},
 ) = safely {
     val multipartData = receiveMultipart()
@@ -239,7 +249,9 @@ suspend fun ApplicationCall.uniloadMultipartFile(
                         ".${name.extension}"
                     ).apply {
                         outputStream().use { fileStream ->
-                            it.provider().asStream().copyTo(fileStream)
+                            it.streamProvider().use {
+                                it.copyTo(fileStream)
+                            }
                         }
                     }
                 } else {
@@ -247,6 +259,7 @@ suspend fun ApplicationCall.uniloadMultipartFile(
                 }
             }
             is PartData.BinaryItem -> onBinaryContent(it)
+            is PartData.BinaryChannelItem -> onBinaryChannelItem(it)
         }
     }
 
@@ -273,6 +286,7 @@ suspend fun ApplicationCall.getQueryParameterOrSendError(
     }
 }
 
+@Deprecated("This method will be removed soon. It is now recommended to use built-in ktor features instead")
 fun <T> ApplicationCall.decodeUrlQueryValue(
     field: String,
     deserializer: DeserializationStrategy<T>
@@ -283,6 +297,7 @@ fun <T> ApplicationCall.decodeUrlQueryValue(
     )
 }
 
+@Deprecated("This method will be removed soon. It is now recommended to use built-in ktor features instead")
 suspend fun <T> ApplicationCall.decodeUrlQueryValueOrSendError(
     field: String,
     deserializer: DeserializationStrategy<T>

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/StartServer.kt

@@ -1,8 +1,9 @@
 package dev.inmo.micro_utils.ktor.server
 
 import dev.inmo.micro_utils.ktor.server.configurators.KtorApplicationConfigurator
-import io.ktor.application.Application
+import io.ktor.server.application.Application
 import io.ktor.server.cio.CIO
+import io.ktor.server.cio.CIOApplicationEngine
 import io.ktor.server.engine.*
 import kotlin.random.Random
 
@@ -10,17 +11,21 @@ fun <TEngine : ApplicationEngine, TConfiguration : ApplicationEngine.Configurati
     engine: ApplicationEngineFactory<TEngine, TConfiguration>,
     host: String = "localhost",
     port: Int = Random.nextInt(1024, 65535),
+    additionalEngineEnvironmentConfigurator: ApplicationEngineEnvironmentBuilder.() -> Unit = {},
+    additionalConfigurationConfigurator: TConfiguration.() -> Unit = {},
     block: Application.() -> Unit
-): TEngine {
-    val env = applicationEngineEnvironment {
+): TEngine = embeddedServer(
+    engine,
+    applicationEngineEnvironment {
         module(block)
         connector {
-            this@connector.host = host
-            this@connector.port = port
+            this.host = host
+            this.port = port
         }
-    }
-    return embeddedServer(engine, env)
-}
+        additionalEngineEnvironmentConfigurator()
+    },
+    additionalConfigurationConfigurator
+)
 
 /**
  * Create server with [CIO] server engine without starting of it
@@ -30,18 +35,31 @@ fun <TEngine : ApplicationEngine, TConfiguration : ApplicationEngine.Configurati
 fun createKtorServer(
     host: String = "localhost",
     port: Int = Random.nextInt(1024, 65535),
+    additionalEngineEnvironmentConfigurator: ApplicationEngineEnvironmentBuilder.() -> Unit = {},
+    additionalConfigurationConfigurator: CIOApplicationEngine.Configuration.() -> Unit = {},
     block: Application.() -> Unit
-): ApplicationEngine = createKtorServer(CIO, host, port, block)
+): CIOApplicationEngine = createKtorServer(
+    CIO,
+    host,
+    port,
+    additionalEngineEnvironmentConfigurator,
+    additionalConfigurationConfigurator,
+    block
+)
 
 fun <TEngine : ApplicationEngine, TConfiguration : ApplicationEngine.Configuration> createKtorServer(
     engine: ApplicationEngineFactory<TEngine, TConfiguration>,
     host: String = "localhost",
     port: Int = Random.nextInt(1024, 65535),
+    additionalEngineEnvironmentConfigurator: ApplicationEngineEnvironmentBuilder.() -> Unit = {},
+    additionalConfigurationConfigurator: TConfiguration.() -> Unit = {},
     configurators: List<KtorApplicationConfigurator>
 ): TEngine = createKtorServer(
     engine,
     host,
-    port
+    port,
+    additionalEngineEnvironmentConfigurator,
+    additionalConfigurationConfigurator
 ) {
     configurators.forEach { it.apply { configure() } }
 }
@@ -54,5 +72,7 @@ fun <TEngine : ApplicationEngine, TConfiguration : ApplicationEngine.Configurati
 fun createKtorServer(
     host: String = "localhost",
     port: Int = Random.nextInt(1024, 65535),
-    configurators: List<KtorApplicationConfigurator>
-): ApplicationEngine = createKtorServer(CIO, host, port, configurators)
+    configurators: List<KtorApplicationConfigurator>,
+    additionalEngineEnvironmentConfigurator: ApplicationEngineEnvironmentBuilder.() -> Unit = {},
+    additionalConfigurationConfigurator: CIOApplicationEngine.Configuration.() -> Unit = {},
+): ApplicationEngine = createKtorServer(CIO, host, port, additionalEngineEnvironmentConfigurator, additionalConfigurationConfigurator, configurators)

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/TemporalFilesRoutingConfigurator.kt

@@ -7,14 +7,15 @@ import dev.inmo.micro_utils.coroutines.launchSafelyWithoutExceptions
 import dev.inmo.micro_utils.ktor.common.DefaultTemporalFilesSubPath
 import dev.inmo.micro_utils.ktor.common.TemporalFileId
 import dev.inmo.micro_utils.ktor.server.configurators.ApplicationRoutingConfigurator
-import io.ktor.application.call
 import io.ktor.http.HttpStatusCode
 import io.ktor.http.content.PartData
 import io.ktor.http.content.streamProvider
-import io.ktor.request.receiveMultipart
-import io.ktor.response.respond
-import io.ktor.routing.Route
-import io.ktor.routing.post
+import io.ktor.server.application.call
+import io.ktor.server.request.receiveMultipart
+import io.ktor.server.response.respond
+import io.ktor.server.response.respondText
+import io.ktor.server.routing.Route
+import io.ktor.server.routing.post
 import kotlinx.coroutines.*
 import kotlinx.coroutines.flow.*
 import kotlinx.coroutines.sync.Mutex
@@ -111,7 +112,7 @@ class TemporalFilesRoutingConfigurator(
                     temporalFilesMutex.withLock {
                         temporalFilesMap[fileId] = file
                     }
-                    call.respond(fileId.string)
+                    call.respondText(fileId.string)
                     launchSafelyWithoutExceptions { filesFlow.emit(fileId) }
                 } ?: call.respond(HttpStatusCode.BadRequest)
             }

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/configurators/ApplicationCachingHeadersConfigurator.kt

@@ -1,14 +1,15 @@
 package dev.inmo.micro_utils.ktor.server.configurators
 
-import io.ktor.application.Application
-import io.ktor.application.install
-import io.ktor.features.CachingHeaders
+import io.ktor.server.application.Application
+import io.ktor.server.application.install
+import io.ktor.server.plugins.cachingheaders.CachingHeaders
+import io.ktor.server.plugins.cachingheaders.CachingHeadersConfig
 import kotlinx.serialization.Contextual
 
 data class ApplicationCachingHeadersConfigurator(
     private val elements: List<@Contextual Element>
 ) : KtorApplicationConfigurator {
-    fun interface Element { operator fun CachingHeaders.Configuration.invoke() }
+    fun interface Element { operator fun CachingHeadersConfig.invoke() }
 
     override fun Application.configure() {
         install(CachingHeaders) {

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/configurators/ApplicationRoutingConfigurator.kt

@@ -1,8 +1,9 @@
 package dev.inmo.micro_utils.ktor.server.configurators
 
-import io.ktor.application.*
-import io.ktor.routing.Route
-import io.ktor.routing.Routing
+import dev.inmo.micro_utils.ktor.server.configurators.ApplicationRoutingConfigurator.Element
+import io.ktor.server.application.*
+import io.ktor.server.routing.Route
+import io.ktor.server.routing.Routing
 import kotlinx.serialization.Contextual
 import kotlinx.serialization.Serializable
 
@@ -18,7 +19,7 @@ class ApplicationRoutingConfigurator(
     }
 
     override fun Application.configure() {
-        featureOrNull(Routing) ?.apply {
+        pluginOrNull(Routing) ?.apply {
             rootInstaller.apply { invoke() }
         } ?: install(Routing) {
             rootInstaller.apply { invoke() }

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/configurators/ApplicationSessionsConfigurator.kt

@@ -1,14 +1,15 @@
 package dev.inmo.micro_utils.ktor.server.configurators
 
-import io.ktor.application.Application
-import io.ktor.application.install
-import io.ktor.sessions.Sessions
+import io.ktor.server.application.Application
+import io.ktor.server.application.install
+import io.ktor.server.sessions.Sessions
+import io.ktor.server.sessions.SessionsConfig
 import kotlinx.serialization.Contextual
 
 class ApplicationSessionsConfigurator(
     private val elements: List<@Contextual Element>
 ) : KtorApplicationConfigurator {
-    fun interface Element { operator fun Sessions.Configuration.invoke() }
+    fun interface Element { operator fun SessionsConfig.invoke() }
 
     override fun Application.configure() {
         install(Sessions) {

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/configurators/KtorApplicationConfigurator.kt

@@ -1,6 +1,6 @@
 package dev.inmo.micro_utils.ktor.server.configurators
 
-import io.ktor.application.Application
+import io.ktor.server.application.Application
 
 interface KtorApplicationConfigurator {
     fun Application.configure()

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/configurators/StatusPagesConfigurator.kt

@@ -1,14 +1,15 @@
 package dev.inmo.micro_utils.ktor.server.configurators
 
-import io.ktor.application.Application
-import io.ktor.application.install
-import io.ktor.features.StatusPages
+import io.ktor.server.application.Application
+import io.ktor.server.application.install
+import io.ktor.server.plugins.statuspages.StatusPages
+import io.ktor.server.plugins.statuspages.StatusPagesConfig
 import kotlinx.serialization.Contextual
 
 class StatusPagesConfigurator(
     private val elements: List<@Contextual Element>
 ) : KtorApplicationConfigurator {
-    fun interface Element { operator fun StatusPages.Configuration.invoke() }
+    fun interface Element { operator fun StatusPagesConfig.invoke() }
 
     override fun Application.configure() {
         install(StatusPages) {

language_codes/generator/src/main/kotlin/Main.kt

@@ -1,5 +1,6 @@
 import io.ktor.client.HttpClient
 import io.ktor.client.request.get
+import io.ktor.client.statement.bodyAsText
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.builtins.ListSerializer
@@ -164,7 +165,7 @@ suspend fun main(vararg args: String) {
 
     val ietfLanguageCodes = json.decodeFromString(
         ListSerializer(LanguageCode.serializer()),
-        client.get(ietfLanguageCodesLink)
+        client.get(ietfLanguageCodesLink).bodyAsText()
     ).map {
         it.copy(
             title = it.title
@@ -175,7 +176,7 @@ suspend fun main(vararg args: String) {
     }
     val ietfLanguageCodesWithTagsMap = json.decodeFromString(
         ListSerializer(LanguageCodeWithTag.serializer()),
-        client.get(ietfLanguageCodesAdditionalTagsLink)
+        client.get(ietfLanguageCodesAdditionalTagsLink).bodyAsText()
     ).filter { it.withSubtag != it.tag }.groupBy { it.tag }
 
     val tags = ietfLanguageCodes.map {

mime_types/src/commonMain/kotlin/dev/inmo/micro_utils/mime_types/MimeTypeTools.kt

@@ -1,7 +1,6 @@
 package dev.inmo.micro_utils.mime_types
 
-import kotlinx.serialization.KSerializer
-import kotlinx.serialization.Serializer
+import kotlinx.serialization.*
 import kotlinx.serialization.descriptors.*
 import kotlinx.serialization.encoding.Decoder
 import kotlinx.serialization.encoding.Encoder
@@ -16,6 +15,7 @@ fun mimeType(raw: String) = mimesCache.getOrPut(raw) {
 
 internal fun parseMimeType(raw: String): MimeType = CustomMimeType(raw)
 
+@Suppress("OPT_IN_USAGE")
 @Serializer(MimeType::class)
 object MimeTypeSerializer : KSerializer<MimeType> {
     override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("mimeType", PrimitiveKind.STRING)

pagination/common/src/commonMain/kotlin/dev/inmo/micro_utils/pagination/PaginationResult.kt

@@ -1,23 +1,60 @@
 package dev.inmo.micro_utils.pagination
 
-import kotlinx.serialization.Serializable
+import kotlinx.serialization.*
+import kotlin.math.ceil
 
+/**
+ * @param page Current page number
+ * @param size Current page size. It can be greater than size of [results]
+ * @param results Result objects
+ * @param objectsNumber Count of all objects across all pages
+ */
 @Serializable
 data class PaginationResult<T>(
     override val page: Int,
-    val pagesNumber: Int,
+    override val size: Int,
     val results: List<T>,
-    override val size: Int
-) : Pagination
+    val objectsNumber: Long
+) : Pagination {
+    /**
+     * Amount of pages for current pagination
+     */
+    @EncodeDefault
+    val pagesNumber: Int = ceil(objectsNumber / size.toFloat()).toInt()
 
-fun <T> emptyPaginationResult() = PaginationResult<T>(0, 0, emptyList(), 0)
+    constructor(
+        page: Int,
+        results: List<T>,
+        pagesNumber: Int,
+        size: Int
+    ) : this(
+        page,
+        size,
+        results,
+        (pagesNumber * size).toLong()
+    )
+    @Deprecated("Replace with The other order of incoming parameters or objectsCount parameter")
+    constructor(
+        page: Int,
+        pagesNumber: Int,
+        results: List<T>,
+        size: Int
+    ) : this(
+        page,
+        results,
+        pagesNumber,
+        size
+    )
+}
+
+fun <T> emptyPaginationResult() = PaginationResult<T>(0, 0, emptyList(), 0L)
 
 /**
  * @return New [PaginationResult] with [data] without checking of data sizes equality
  */
 fun <I, O> PaginationResult<I>.changeResultsUnchecked(
     data: List<O>
-): PaginationResult<O> = PaginationResult(page, pagesNumber, data, size)
+): PaginationResult<O> = PaginationResult(page, size, data, objectsNumber)
 /**
  * @return New [PaginationResult] with [data] <b>with</b> checking of data sizes equality
  */
@@ -33,12 +70,9 @@ fun <T> List<T>.createPaginationResult(
     commonObjectsNumber: Long
 ) = PaginationResult(
     pagination.page,
-    calculatePagesNumber(
-        commonObjectsNumber,
-        pagination.size
-    ),
+    pagination.size,
     this,
-    pagination.size
+    commonObjectsNumber
 )
 
 fun <T> List<T>.createPaginationResult(
@@ -46,12 +80,9 @@ fun <T> List<T>.createPaginationResult(
     commonObjectsNumber: Long
 ) = PaginationResult(
     calculatePage(firstIndex, size),
-    calculatePagesNumber(
-        commonObjectsNumber,
-        size
-    ),
+    size,
     this,
-    size
+    commonObjectsNumber
 )
 
 fun <T> Pair<Long, List<T>>.createPaginationResult(

pagination/common/src/commonMain/kotlin/dev/inmo/micro_utils/pagination/SimplePagination.kt

@@ -26,6 +26,10 @@ inline fun Pagination.nextPage() =
         size
     )
 
+/**
+ * @param page Current page number
+ * @param size Current page size
+ */
 @Serializable
 data class SimplePagination(
     override val page: Int,

pagination/common/src/commonMain/kotlin/dev/inmo/micro_utils/pagination/WalkPagination.kt

@@ -27,4 +27,5 @@ inline fun <T> PaginationResult<T>.thisPageIfNotEmpty(): PaginationResult<T>? =
     null
 }
 
+@Suppress("NOTHING_TO_INLINE")
 inline fun <T> PaginationResult<T>.currentPageIfNotEmpty() = thisPageIfNotEmpty()

pagination/common/src/commonMain/kotlin/dev/inmo/micro_utils/pagination/utils/DoForAll.kt

@@ -2,19 +2,19 @@ package dev.inmo.micro_utils.pagination.utils
 
 import dev.inmo.micro_utils.pagination.*
 
-suspend fun <T> doForAll(
+inline fun <T> doForAll(
     initialPagination: Pagination = FirstPagePagination(),
     paginationMapper: (PaginationResult<T>) -> Pagination?,
-    block: suspend (Pagination) -> PaginationResult<T>
+    block: (Pagination) -> PaginationResult<T>
 ) {
     doWithPagination(initialPagination) {
         block(it).let(paginationMapper)
     }
 }
 
-suspend fun <T> doForAllWithNextPaging(
+inline fun <T> doForAllWithNextPaging(
     initialPagination: Pagination = FirstPagePagination(),
-    block: suspend (Pagination) -> PaginationResult<T>
+    block: (Pagination) -> PaginationResult<T>
 ) {
     doForAll(
         initialPagination,
@@ -23,9 +23,9 @@ suspend fun <T> doForAllWithNextPaging(
     )
 }
 
-suspend fun <T> doAllWithCurrentPaging(
+inline fun <T> doAllWithCurrentPaging(
     initialPagination: Pagination = FirstPagePagination(),
-    block: suspend (Pagination) -> PaginationResult<T>
+    block: (Pagination) -> PaginationResult<T>
 ) {
     doForAll(
         initialPagination,
@@ -34,7 +34,7 @@ suspend fun <T> doAllWithCurrentPaging(
     )
 }
 
-suspend fun <T> doForAllWithCurrentPaging(
+inline fun <T> doForAllWithCurrentPaging(
     initialPagination: Pagination = FirstPagePagination(),
-    block: suspend (Pagination) -> PaginationResult<T>
+    block: (Pagination) -> PaginationResult<T>
 ) = doAllWithCurrentPaging(initialPagination, block)

pagination/common/src/commonMain/kotlin/dev/inmo/micro_utils/pagination/utils/GetAll.kt

@@ -2,10 +2,10 @@ package dev.inmo.micro_utils.pagination.utils
 
 import dev.inmo.micro_utils.pagination.*
 
-suspend fun <T> getAll(
+inline fun <T> getAll(
     initialPagination: Pagination = FirstPagePagination(),
     paginationMapper: (PaginationResult<T>) -> Pagination?,
-    block: suspend (Pagination) -> PaginationResult<T>
+    block: (Pagination) -> PaginationResult<T>
 ): List<T> {
     val results = mutableListOf<T>()
     doForAll(initialPagination, paginationMapper) {
@@ -16,46 +16,45 @@ suspend fun <T> getAll(
     return results.toList()
 }
 
-suspend fun <T, R> R.getAllBy(
+inline fun <T, R> R.getAllBy(
     initialPagination: Pagination = FirstPagePagination(),
     paginationMapper: R.(PaginationResult<T>) -> Pagination?,
-    block: suspend R.(Pagination) -> PaginationResult<T>
+    block: R.(Pagination) -> PaginationResult<T>
 ): List<T> = getAll(
     initialPagination,
     { paginationMapper(it) },
     { block(it) }
 )
 
-suspend fun <T> getAllWithNextPaging(
+inline fun <T> getAllWithNextPaging(
     initialPagination: Pagination = FirstPagePagination(),
-    block: suspend (Pagination) -> PaginationResult<T>
+    block: (Pagination) -> PaginationResult<T>
 ): List<T> = getAll(
     initialPagination,
     { it.nextPageIfNotEmpty() },
     block
 )
 
-suspend fun <T, R> R.getAllByWithNextPaging(
+inline fun <T, R> R.getAllByWithNextPaging(
     initialPagination: Pagination = FirstPagePagination(),
-    block: suspend R.(Pagination) -> PaginationResult<T>
+    block: R.(Pagination) -> PaginationResult<T>
 ): List<T> = getAllWithNextPaging(
     initialPagination,
     { block(it) }
 )
 
-suspend fun <T> getAllWithCurrentPaging(
+inline fun <T> getAllWithCurrentPaging(
     initialPagination: Pagination = FirstPagePagination(),
-    block: suspend (Pagination) -> PaginationResult<T>
+    block: (Pagination) -> PaginationResult<T>
 ): List<T> = getAll(
     initialPagination,
     { it.currentPageIfNotEmpty() },
     block
 )
 
-suspend fun <T, R> R.getAllByWithCurrentPaging(
+inline fun <T, R> R.getAllByWithCurrentPaging(
     initialPagination: Pagination = FirstPagePagination(),
-    block: suspend R.(Pagination) -> PaginationResult<T>
+    block: R.(Pagination) -> PaginationResult<T>
 ): List<T> = getAllWithCurrentPaging(
-    initialPagination,
-    { block(it) }
-)
+    initialPagination
+) { block(it) }

pagination/common/src/commonMain/kotlin/dev/inmo/micro_utils/pagination/utils/PaginationReversing.kt

@@ -6,7 +6,7 @@ import dev.inmo.micro_utils.pagination.*
  * Example:
  *
  * * `|__f__l_______________________|` will be transformed to `|_______________________f__l__|`
- * * `|__f__l_|` will be transformed to `|__f__l_|`
+ * * `|__f__l_|` will be transformed to `|_f__l__|`
  *
  * @return Reversed version of this [Pagination]
  */

pagination/ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/pagination/ServerPaginationHelpers.kt

@@ -1,7 +1,7 @@
 package dev.inmo.micro_utils.pagination
 
-import io.ktor.application.ApplicationCall
 import io.ktor.http.Parameters
+import io.ktor.server.application.ApplicationCall
 
 val Parameters.extractPagination: Pagination
     get() = SimplePagination(

repos/cache/build.gradle

@@ -15,4 +15,4 @@ kotlin {
             }
         }
     }
-}
+}

repos/cache/src/commonMain/kotlin/dev/inmo/micro_utils/repos/cache/CRUDCacheRepo.kt

@@ -1,16 +1,16 @@
 package dev.inmo.micro_utils.repos.cache
 
 import dev.inmo.micro_utils.repos.*
+import dev.inmo.micro_utils.repos.cache.cache.KVCache
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.flow.launchIn
-import kotlinx.coroutines.flow.onEach
+import kotlinx.coroutines.flow.*
 
 open class ReadCRUDCacheRepo<ObjectType, IdType>(
-    protected val parentRepo: ReadCRUDRepo<ObjectType, IdType>,
-    protected val kvCache: KVCache<IdType, ObjectType>,
-    protected val idGetter: (ObjectType) -> IdType
-) : ReadCRUDRepo<ObjectType, IdType> by parentRepo {
+    protected open val parentRepo: ReadCRUDRepo<ObjectType, IdType>,
+    protected open val kvCache: KVCache<IdType, ObjectType>,
+    protected open val idGetter: (ObjectType) -> IdType
+) : ReadCRUDRepo<ObjectType, IdType> by parentRepo, CacheRepo {
     override suspend fun getById(id: IdType): ObjectType? = kvCache.get(id) ?: (parentRepo.getById(id) ?.also {
         kvCache.set(id, it)
     })
@@ -18,8 +18,63 @@ open class ReadCRUDCacheRepo<ObjectType, IdType>(
     override suspend fun contains(id: IdType): Boolean = kvCache.contains(id) || parentRepo.contains(id)
 }
 
+fun <ObjectType, IdType> ReadCRUDRepo<ObjectType, IdType>.cached(
+    kvCache: KVCache<IdType, ObjectType>,
+    idGetter: (ObjectType) -> IdType
+) = ReadCRUDCacheRepo(this, kvCache, idGetter)
+
+open class WriteCRUDCacheRepo<ObjectType, IdType, InputValueType>(
+    protected open val parentRepo: WriteCRUDRepo<ObjectType, IdType, InputValueType>,
+    protected open val kvCache: KVCache<IdType, ObjectType>,
+    protected open val scope: CoroutineScope = CoroutineScope(Dispatchers.Default),
+    protected open val idGetter: (ObjectType) -> IdType
+) : WriteCRUDRepo<ObjectType, IdType, InputValueType>, CacheRepo {
+    override val newObjectsFlow: Flow<ObjectType> by parentRepo::newObjectsFlow
+    override val updatedObjectsFlow: Flow<ObjectType> by parentRepo::updatedObjectsFlow
+    override val deletedObjectsIdsFlow: Flow<IdType> by parentRepo::deletedObjectsIdsFlow
+
+    val deletedObjectsFlowJob = parentRepo.deletedObjectsIdsFlow.onEach {
+        kvCache.unset(it)
+    }.launchIn(scope)
+
+    override suspend fun deleteById(ids: List<IdType>) = parentRepo.deleteById(ids)
+
+    override suspend fun update(values: List<UpdatedValuePair<IdType, InputValueType>>): List<ObjectType> {
+        val updated = parentRepo.update(values)
+
+        kvCache.unset(values.map { it.id })
+        kvCache.set(updated.associateBy { idGetter(it) })
+
+        return updated
+    }
+
+    override suspend fun update(id: IdType, value: InputValueType): ObjectType? {
+        return parentRepo.update(id, value) ?.also {
+            kvCache.unset(id)
+            kvCache.set(idGetter(it), it)
+        }
+    }
+
+    override suspend fun create(values: List<InputValueType>): List<ObjectType> {
+        val created = parentRepo.create(values)
+
+        kvCache.set(
+            created.associateBy { idGetter(it) }
+        )
+
+        return created
+    }
+}
+
+fun <ObjectType, IdType, InputType> WriteCRUDRepo<ObjectType, IdType, InputType>.caching(
+    kvCache: KVCache<IdType, ObjectType>,
+    scope: CoroutineScope,
+    idGetter: (ObjectType) -> IdType
+) = WriteCRUDCacheRepo(this, kvCache, scope, idGetter)
+
+
 open class CRUDCacheRepo<ObjectType, IdType, InputValueType>(
-    parentRepo: CRUDRepo<ObjectType, IdType, InputValueType>,
+    override val parentRepo: CRUDRepo<ObjectType, IdType, InputValueType>,
     kvCache: KVCache<IdType, ObjectType>,
     scope: CoroutineScope = CoroutineScope(Dispatchers.Default),
     idGetter: (ObjectType) -> IdType
@@ -27,8 +82,17 @@ open class CRUDCacheRepo<ObjectType, IdType, InputValueType>(
     parentRepo,
     kvCache,
     idGetter
-), CRUDRepo<ObjectType, IdType, InputValueType>, WriteCRUDRepo<ObjectType, IdType, InputValueType> by parentRepo {
-    protected val onNewJob = parentRepo.newObjectsFlow.onEach { kvCache.set(idGetter(it), it) }.launchIn(scope)
-    protected val onUpdatedJob = parentRepo.updatedObjectsFlow.onEach { kvCache.set(idGetter(it), it) }.launchIn(scope)
-    protected val onRemoveJob = parentRepo.deletedObjectsIdsFlow.onEach { kvCache.unset(it) }.launchIn(scope)
-}
+),
+    WriteCRUDRepo<ObjectType, IdType, InputValueType> by WriteCRUDCacheRepo(
+    parentRepo,
+    kvCache,
+    scope,
+    idGetter
+),
+    CRUDRepo<ObjectType, IdType, InputValueType>
+
+fun <ObjectType, IdType, InputType> CRUDRepo<ObjectType, IdType, InputType>.cached(
+    kvCache: KVCache<IdType, ObjectType>,
+    scope: CoroutineScope,
+    idGetter: (ObjectType) -> IdType
+) = CRUDCacheRepo(this, kvCache, scope, idGetter)

repos/cache/src/commonMain/kotlin/dev/inmo/micro_utils/repos/cache/CacheRepo.kt

@@ -0,0 +1,3 @@
+package dev.inmo.micro_utils.repos.cache
+
+interface CacheRepo

repos/cache/src/commonMain/kotlin/dev/inmo/micro_utils/repos/cache/KeyValueCacheRepo.kt

@@ -1,25 +1,35 @@
 package dev.inmo.micro_utils.repos.cache
 
+import dev.inmo.micro_utils.pagination.Pagination
+import dev.inmo.micro_utils.pagination.PaginationResult
 import dev.inmo.micro_utils.repos.*
+import dev.inmo.micro_utils.repos.cache.cache.KVCache
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.*
-import kotlinx.coroutines.sync.Mutex
-import kotlinx.coroutines.sync.withLock
 
 open class ReadKeyValueCacheRepo<Key,Value>(
-    protected val parentRepo: ReadKeyValueRepo<Key, Value>,
-    protected val kvCache: KVCache<Key, Value>,
-) : ReadKeyValueRepo<Key,Value> by parentRepo {
+    protected open val parentRepo: ReadKeyValueRepo<Key, Value>,
+    protected open val kvCache: KVCache<Key, Value>,
+) : ReadKeyValueRepo<Key,Value> by parentRepo, CacheRepo {
     override suspend fun get(k: Key): Value? = kvCache.get(k) ?: parentRepo.get(k) ?.also { kvCache.set(k, it) }
     override suspend fun contains(key: Key): Boolean = kvCache.contains(key) || parentRepo.contains(key)
 }
 
+fun <Key, Value> ReadKeyValueRepo<Key, Value>.cached(
+    kvCache: KVCache<Key, Value>
+) = ReadKeyValueCacheRepo(this, kvCache)
+
 open class KeyValueCacheRepo<Key,Value>(
     parentRepo: KeyValueRepo<Key, Value>,
     kvCache: KVCache<Key, Value>,
     scope: CoroutineScope = CoroutineScope(Dispatchers.Default)
-) : ReadKeyValueCacheRepo<Key,Value>(parentRepo, kvCache), KeyValueRepo<Key,Value>, WriteKeyValueRepo<Key, Value> by parentRepo {
+) : ReadKeyValueCacheRepo<Key,Value>(parentRepo, kvCache), KeyValueRepo<Key,Value>, WriteKeyValueRepo<Key, Value> by parentRepo, CacheRepo {
     protected val onNewJob = parentRepo.onNewValue.onEach { kvCache.set(it.first, it.second) }.launchIn(scope)
     protected val onRemoveJob = parentRepo.onValueRemoved.onEach { kvCache.unset(it) }.launchIn(scope)
 }
+
+fun <Key, Value> KeyValueRepo<Key, Value>.cached(
+    kvCache: KVCache<Key, Value>,
+    scope: CoroutineScope = CoroutineScope(Dispatchers.Default)
+) = KeyValueCacheRepo(this, kvCache, scope)

repos/cache/src/commonMain/kotlin/dev/inmo/micro_utils/repos/cache/KeyValuesCacheRepo.kt

@@ -5,16 +5,15 @@ import dev.inmo.micro_utils.pagination.PaginationResult
 import dev.inmo.micro_utils.pagination.utils.paginate
 import dev.inmo.micro_utils.pagination.utils.reverse
 import dev.inmo.micro_utils.repos.*
+import dev.inmo.micro_utils.repos.cache.cache.KVCache
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.*
-import kotlinx.coroutines.sync.Mutex
-import kotlinx.coroutines.sync.withLock
 
 open class ReadKeyValuesCacheRepo<Key,Value>(
-    protected val parentRepo: ReadKeyValuesRepo<Key, Value>,
-    protected val kvCache: KVCache<Key, List<Value>>
-) : ReadKeyValuesRepo<Key,Value> by parentRepo {
+    protected open val parentRepo: ReadKeyValuesRepo<Key, Value>,
+    protected open val kvCache: KVCache<Key, List<Value>>
+) : ReadKeyValuesRepo<Key,Value> by parentRepo, CacheRepo {
     override suspend fun get(k: Key, pagination: Pagination, reversed: Boolean): PaginationResult<Value> {
         return kvCache.get(k) ?.paginate(
             pagination.let { if (reversed) it.reverse(count(k)) else it }
@@ -31,12 +30,21 @@ open class ReadKeyValuesCacheRepo<Key,Value>(
     override suspend fun contains(k: Key): Boolean = kvCache.contains(k) || parentRepo.contains(k)
 }
 
+fun <Key, Value> ReadKeyValuesRepo<Key, Value>.cached(
+    kvCache: KVCache<Key, List<Value>>
+) = ReadKeyValuesCacheRepo(this, kvCache)
+
 open class KeyValuesCacheRepo<Key,Value>(
     parentRepo: KeyValuesRepo<Key, Value>,
     kvCache: KVCache<Key, List<Value>>,
     scope: CoroutineScope = CoroutineScope(Dispatchers.Default)
-) : ReadKeyValuesCacheRepo<Key,Value>(parentRepo, kvCache), KeyValuesRepo<Key,Value>, WriteKeyValuesRepo<Key,Value> by parentRepo {
+) : ReadKeyValuesCacheRepo<Key,Value>(parentRepo, kvCache), KeyValuesRepo<Key,Value>, WriteKeyValuesRepo<Key,Value> by parentRepo, CacheRepo {
     protected val onNewJob = parentRepo.onNewValue.onEach { kvCache.set(it.first, kvCache.get(it.first) ?.plus(it.second) ?: listOf(it.second)) }.launchIn(scope)
     protected val onRemoveJob = parentRepo.onValueRemoved.onEach { kvCache.set(it.first, kvCache.get(it.first) ?.minus(it.second) ?: return@onEach) }.launchIn(scope)
     protected val onDataClearedJob = parentRepo.onDataCleared.onEach { kvCache.unset(it) }.launchIn(scope)
 }
+
+fun <Key, Value> KeyValuesRepo<Key, Value>.cached(
+    kvCache: KVCache<Key, List<Value>>,
+    scope: CoroutineScope = CoroutineScope(Dispatchers.Default)
+) = KeyValuesCacheRepo(this, kvCache, scope)

repos/cache/src/commonMain/kotlin/dev/inmo/micro_utils/repos/cache/cache/FullKVCache.kt

@@ -0,0 +1,8 @@
+package dev.inmo.micro_utils.repos.cache.cache
+
+/**
+ * This interface declares that current type of [KVCache] will contains all the data all the time of its life
+ */
+interface FullKVCache<K, V> : KVCache<K, V> {
+    companion object
+}

repos/cache/src/commonMain/kotlin/dev/inmo/micro_utils/repos/cache/cache/KVCache.kt

@@ -0,0 +1,7 @@
+package dev.inmo.micro_utils.repos.cache.cache
+
+import dev.inmo.micro_utils.repos.*
+
+interface KVCache<K, V> : KeyValueRepo<K, V> {
+    companion object
+}

repos/cache/src/commonMain/kotlin/dev/inmo/micro_utils/repos/cache/cache/SimpleFullKVCache.kt

@@ -0,0 +1,28 @@
+package dev.inmo.micro_utils.repos.cache.cache
+
+import dev.inmo.micro_utils.repos.KeyValueRepo
+import dev.inmo.micro_utils.repos.MapKeyValueRepo
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+
+open class SimpleFullKVCache<K, V>(
+    private val kvParent: KeyValueRepo<K, V> = MapKeyValueRepo<K, V>()
+) : FullKVCache<K, V>, KeyValueRepo<K, V> by kvParent {
+    protected val syncMutex = Mutex()
+
+    override suspend fun set(toSet: Map<K, V>) {
+        syncMutex.withLock {
+            kvParent.set(toSet)
+        }
+    }
+
+    override suspend fun unset(toUnset: List<K>) {
+        syncMutex.withLock {
+            kvParent.unset(toUnset)
+        }
+    }
+}
+
+inline fun <K, V> FullKVCache(
+    kvParent: KeyValueRepo<K, V> = MapKeyValueRepo<K, V>()
+) = SimpleFullKVCache<K, V>(kvParent)

repos/cache/src/commonMain/kotlin/dev/inmo/micro_utils/repos/cache/cache/SimpleKVCache.kt

@@ -1,36 +1,32 @@
-package dev.inmo.micro_utils.repos.cache
+package dev.inmo.micro_utils.repos.cache.cache
 
-import dev.inmo.micro_utils.repos.*
 import dev.inmo.micro_utils.pagination.utils.getAllWithNextPaging
+import dev.inmo.micro_utils.repos.*
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 
-interface KVCache<K, V> : KeyValueRepo<K, V>
-
 open class SimpleKVCache<K, V>(
     protected val cachedValuesCount: Int,
     private val kvParent: KeyValueRepo<K, V> = MapKeyValueRepo<K, V>()
 ) : KVCache<K, V>, KeyValueRepo<K, V> by kvParent {
-    protected open val cacheStack = ArrayList<K>(cachedValuesCount)
+    protected open val cacheQueue = ArrayDeque<K>(cachedValuesCount)
     protected val syncMutex = Mutex()
 
     protected suspend fun makeUnset(toUnset: List<K>) {
-        cacheStack.removeAll(toUnset)
+        cacheQueue.removeAll(toUnset)
         kvParent.unset(toUnset)
     }
 
     override suspend fun set(toSet: Map<K, V>) {
         syncMutex.withLock {
-            if (toSet.size > cachedValuesCount) {
-                cacheStack.clear()
-
-                kvParent.unset(getAllWithNextPaging { kvParent.keys(it) })
-                val keysToInclude = toSet.keys.drop(toSet.size - cachedValuesCount)
-
-                cacheStack.addAll(keysToInclude)
-                kvParent.set(keysToInclude.associateWith { toSet.getValue(it) })
-            } else {
-                makeUnset(cacheStack.take(toSet.size))
+            for ((k, v) in toSet) {
+                if (cacheQueue.size >= cachedValuesCount) {
+                    cacheQueue.removeFirstOrNull() ?.let {
+                        kvParent.unset(it)
+                    }
+                }
+                cacheQueue.addLast(k)
+                kvParent.set(k, v)
             }
         }
     }
@@ -39,3 +35,8 @@ open class SimpleKVCache<K, V>(
         syncMutex.withLock { makeUnset(toUnset) }
     }
 }
+
+inline fun <K, V> KVCache(
+    cachedValuesCount: Int,
+    kvParent: KeyValueRepo<K, V> = MapKeyValueRepo<K, V>()
+) = SimpleKVCache<K, V>(cachedValuesCount, kvParent)

repos/cache/src/commonMain/kotlin/dev/inmo/micro_utils/repos/cache/full/FullCRUDCacheRepo.kt

@@ -0,0 +1,95 @@
+package dev.inmo.micro_utils.repos.cache.full
+
+import dev.inmo.micro_utils.common.*
+import dev.inmo.micro_utils.pagination.Pagination
+import dev.inmo.micro_utils.pagination.PaginationResult
+import dev.inmo.micro_utils.pagination.utils.doForAllWithNextPaging
+import dev.inmo.micro_utils.repos.*
+import dev.inmo.micro_utils.repos.cache.*
+import dev.inmo.micro_utils.repos.cache.cache.FullKVCache
+import dev.inmo.micro_utils.repos.cache.cache.KVCache
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+
+open class FullReadCRUDCacheRepo<ObjectType, IdType>(
+    protected open val parentRepo: ReadCRUDRepo<ObjectType, IdType>,
+    protected open val kvCache: FullKVCache<IdType, ObjectType>,
+    protected open val idGetter: (ObjectType) -> IdType
+) : ReadCRUDRepo<ObjectType, IdType>, FullCacheRepo {
+    protected inline fun <T> doOrTakeAndActualize(
+        action: FullKVCache<IdType, ObjectType>.() -> Optional<T>,
+        actionElse: ReadCRUDRepo<ObjectType, IdType>.() -> T,
+        actualize: FullKVCache<IdType, ObjectType>.(T) -> Unit
+    ): T {
+        kvCache.action().onPresented {
+            return it
+        }.onAbsent {
+            return parentRepo.actionElse().also {
+                kvCache.actualize(it)
+            }
+        }
+        error("The result should be returned above")
+    }
+
+    protected open suspend fun actualizeAll() {
+        kvCache.clear()
+        doForAllWithNextPaging {
+            parentRepo.getByPagination(it).also {
+                kvCache.set(it.results.associateBy { idGetter(it) })
+            }
+        }
+    }
+
+    override suspend fun getByPagination(pagination: Pagination): PaginationResult<ObjectType> = doOrTakeAndActualize(
+        { values(pagination).takeIf { it.results.isNotEmpty() }.optionalOrAbsentIfNull },
+        { getByPagination(pagination) },
+        { if (it.results.isNotEmpty()) actualizeAll() }
+    )
+
+    override suspend fun count(): Long = doOrTakeAndActualize(
+        { count().takeIf { it != 0L }.optionalOrAbsentIfNull },
+        { count() },
+        { if (it != 0L) actualizeAll() }
+    )
+
+    override suspend fun contains(id: IdType): Boolean = doOrTakeAndActualize(
+        { contains(id).takeIf { it }.optionalOrAbsentIfNull },
+        { contains(id) },
+        { if (it) parentRepo.getById(id) ?.let { set(id, it) } }
+    )
+
+    override suspend fun getById(id: IdType): ObjectType? = doOrTakeAndActualize(
+        { get(id) ?.optional ?: Optional.absent() },
+        { getById(id) },
+        { it ?.let { set(idGetter(it), it) } }
+    )
+}
+
+fun <ObjectType, IdType> ReadCRUDRepo<ObjectType, IdType>.cached(
+    kvCache: FullKVCache<IdType, ObjectType>,
+    idGetter: (ObjectType) -> IdType
+) = FullReadCRUDCacheRepo(this, kvCache, idGetter)
+
+open class FullCRUDCacheRepo<ObjectType, IdType, InputValueType>(
+    override val parentRepo: CRUDRepo<ObjectType, IdType, InputValueType>,
+    kvCache: FullKVCache<IdType, ObjectType>,
+    scope: CoroutineScope = CoroutineScope(Dispatchers.Default),
+    idGetter: (ObjectType) -> IdType
+) : FullReadCRUDCacheRepo<ObjectType, IdType>(
+    parentRepo,
+    kvCache,
+    idGetter
+),
+    WriteCRUDRepo<ObjectType, IdType, InputValueType> by WriteCRUDCacheRepo(
+        parentRepo,
+        kvCache,
+        scope,
+        idGetter
+    ),
+    CRUDRepo<ObjectType, IdType, InputValueType>
+
+fun <ObjectType, IdType, InputType> CRUDRepo<ObjectType, IdType, InputType>.cached(
+    kvCache: FullKVCache<IdType, ObjectType>,
+    scope: CoroutineScope = CoroutineScope(Dispatchers.Default),
+    idGetter: (ObjectType) -> IdType
+) = FullCRUDCacheRepo(this, kvCache, scope, idGetter)

repos/cache/src/commonMain/kotlin/dev/inmo/micro_utils/repos/cache/full/FullCacheRepo.kt

@@ -0,0 +1,5 @@
+package dev.inmo.micro_utils.repos.cache.full
+
+import dev.inmo.micro_utils.repos.cache.CacheRepo
+
+interface FullCacheRepo : CacheRepo

repos/cache/src/commonMain/kotlin/dev/inmo/micro_utils/repos/cache/full/FullKeyValueCacheRepo.kt

@@ -0,0 +1,104 @@
+package dev.inmo.micro_utils.repos.cache.full
+
+import dev.inmo.micro_utils.common.*
+import dev.inmo.micro_utils.pagination.Pagination
+import dev.inmo.micro_utils.pagination.PaginationResult
+import dev.inmo.micro_utils.repos.*
+import dev.inmo.micro_utils.repos.cache.cache.FullKVCache
+import dev.inmo.micro_utils.repos.pagination.getAll
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.*
+
+open class FullReadKeyValueCacheRepo<Key,Value>(
+    protected open val parentRepo: ReadKeyValueRepo<Key, Value>,
+    protected open val kvCache: FullKVCache<Key, Value>,
+) : ReadKeyValueRepo<Key, Value>, FullCacheRepo {
+    protected inline fun <T> doOrTakeAndActualize(
+        action: FullKVCache<Key, Value>.() -> Optional<T>,
+        actionElse: ReadKeyValueRepo<Key, Value>.() -> T,
+        actualize: FullKVCache<Key, Value>.(T) -> Unit
+    ): T {
+        kvCache.action().onPresented {
+            return it
+        }.onAbsent {
+            return parentRepo.actionElse().also {
+                kvCache.actualize(it)
+            }
+        }
+        error("The result should be returned above")
+    }
+    protected open suspend fun actualizeAll() {
+        kvCache.clear()
+        kvCache.set(parentRepo.getAll { keys(it) }.toMap())
+    }
+
+    override suspend fun get(k: Key): Value? = doOrTakeAndActualize(
+        { get(k) ?.optional ?: Optional.absent() },
+        { get(k) },
+        { set(k, it ?: return@doOrTakeAndActualize) }
+    )
+
+    override suspend fun values(pagination: Pagination, reversed: Boolean): PaginationResult<Value> = doOrTakeAndActualize(
+        { values(pagination, reversed).takeIf { it.results.isNotEmpty() }.optionalOrAbsentIfNull },
+        { values(pagination, reversed) },
+        { if (it.results.isNotEmpty()) actualizeAll() }
+    )
+
+    override suspend fun count(): Long = doOrTakeAndActualize(
+        { count().takeIf { it != 0L }.optionalOrAbsentIfNull },
+        { count() },
+        { if (it != 0L) actualizeAll() }
+    )
+
+    override suspend fun contains(key: Key): Boolean = doOrTakeAndActualize(
+        { contains(key).takeIf { it }.optionalOrAbsentIfNull },
+        { contains(key) },
+        { if (it) parentRepo.get(key) ?.also { kvCache.set(key, it) } }
+    )
+
+    override suspend fun keys(pagination: Pagination, reversed: Boolean): PaginationResult<Key> = doOrTakeAndActualize(
+        { keys(pagination, reversed).takeIf { it.results.isNotEmpty() }.optionalOrAbsentIfNull },
+        { keys(pagination, reversed) },
+        { if (it.results.isNotEmpty()) actualizeAll() }
+    )
+
+    override suspend fun keys(v: Value, pagination: Pagination, reversed: Boolean): PaginationResult<Key> = doOrTakeAndActualize(
+        { keys(v, pagination, reversed).takeIf { it.results.isNotEmpty() }.optionalOrAbsentIfNull },
+        { parentRepo.keys(v, pagination, reversed) },
+        { if (it.results.isNotEmpty()) actualizeAll() }
+    )
+}
+
+fun <Key, Value> ReadKeyValueRepo<Key, Value>.cached(
+    kvCache: FullKVCache<Key, Value>
+) = FullReadKeyValueCacheRepo(this, kvCache)
+
+open class FullWriteKeyValueCacheRepo<Key,Value>(
+    protected open val parentRepo: WriteKeyValueRepo<Key, Value>,
+    protected open val kvCache: FullKVCache<Key, Value>,
+    scope: CoroutineScope = CoroutineScope(Dispatchers.Default)
+) : WriteKeyValueRepo<Key, Value> by parentRepo, FullCacheRepo {
+    protected val onNewJob = parentRepo.onNewValue.onEach { kvCache.set(it.first, it.second) }.launchIn(scope)
+    protected val onRemoveJob = parentRepo.onValueRemoved.onEach { kvCache.unset(it) }.launchIn(scope)
+}
+
+fun <Key, Value> WriteKeyValueRepo<Key, Value>.caching(
+    kvCache: FullKVCache<Key, Value>,
+    scope: CoroutineScope = CoroutineScope(Dispatchers.Default)
+) = FullWriteKeyValueCacheRepo(this, kvCache, scope)
+
+open class FullKeyValueCacheRepo<Key,Value>(
+    parentRepo: KeyValueRepo<Key, Value>,
+    kvCache: FullKVCache<Key, Value>,
+    scope: CoroutineScope = CoroutineScope(Dispatchers.Default)
+) : FullWriteKeyValueCacheRepo<Key,Value>(parentRepo, kvCache, scope),
+    KeyValueRepo<Key,Value>,
+    ReadKeyValueRepo<Key, Value> by FullReadKeyValueCacheRepo(parentRepo, kvCache) {
+    override suspend fun unsetWithValues(toUnset: List<Value>) = parentRepo.unsetWithValues(toUnset)
+}
+
+fun <Key, Value> KeyValueRepo<Key, Value>.cached(
+    kvCache: FullKVCache<Key, Value>,
+    scope: CoroutineScope = CoroutineScope(Dispatchers.Default)
+) = FullKeyValueCacheRepo(this, kvCache, scope)

repos/cache/src/commonMain/kotlin/dev/inmo/micro_utils/repos/cache/full/FullKeyValuesCacheRepo.kt

@@ -0,0 +1,154 @@
+package dev.inmo.micro_utils.repos.cache.full
+
+import dev.inmo.micro_utils.common.*
+import dev.inmo.micro_utils.pagination.*
+import dev.inmo.micro_utils.pagination.utils.*
+import dev.inmo.micro_utils.repos.*
+import dev.inmo.micro_utils.repos.cache.cache.FullKVCache
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.*
+
+open class FullReadKeyValuesCacheRepo<Key,Value>(
+    protected open val parentRepo: ReadKeyValuesRepo<Key, Value>,
+    protected open val kvCache: FullKVCache<Key, List<Value>>,
+) : ReadKeyValuesRepo<Key, Value>, FullCacheRepo {
+    protected inline fun <T> doOrTakeAndActualize(
+        action: FullKVCache<Key, List<Value>>.() -> Optional<T>,
+        actionElse: ReadKeyValuesRepo<Key, Value>.() -> T,
+        actualize: FullKVCache<Key, List<Value>>.(T) -> Unit
+    ): T {
+        kvCache.action().onPresented {
+            return it
+        }.onAbsent {
+            return parentRepo.actionElse().also {
+                kvCache.actualize(it)
+            }
+        }
+        error("The result should be returned above")
+    }
+
+    protected open suspend fun actualizeKey(k: Key) {
+        kvCache.set(k, parentRepo.getAll(k))
+    }
+
+    protected open suspend fun actualizeAll() {
+        doAllWithCurrentPaging { kvCache.keys(it).also { kvCache.unset(it.results) } }
+        kvCache.set(parentRepo.getAll())
+    }
+
+    override suspend fun get(k: Key, pagination: Pagination, reversed: Boolean): PaginationResult<Value> {
+        return doOrTakeAndActualize(
+            {
+                get(k) ?.paginate(
+                    pagination.let { if (reversed) it.reverse(count(k)) else it }
+                ) ?.let {
+                    if (reversed) it.copy(results = it.results.reversed()) else it
+                }.optionalOrAbsentIfNull
+            },
+            { get(k, pagination, reversed) },
+            { actualizeKey(k) }
+        )
+    }
+
+    override suspend fun keys(pagination: Pagination, reversed: Boolean): PaginationResult<Key> {
+        return doOrTakeAndActualize(
+            {
+                kvCache.keys(pagination, reversed).takeIf { it.results.isNotEmpty() }.optionalOrAbsentIfNull
+            },
+            { parentRepo.keys(pagination, reversed) },
+            { actualizeAll() }
+        )
+    }
+
+    override suspend fun count(): Long = doOrTakeAndActualize(
+        { count().takeIf { it != 0L }.optionalOrAbsentIfNull },
+        { count() },
+        { if (it != 0L) actualizeAll() }
+    )
+
+    override suspend fun count(k: Key): Long = doOrTakeAndActualize(
+        { count().takeIf { it != 0L }.optionalOrAbsentIfNull },
+        { count() },
+        { if (it != 0L) actualizeKey(k) }
+    )
+
+    override suspend fun contains(k: Key, v: Value): Boolean = doOrTakeAndActualize(
+        { get(k) ?.contains(v).takeIf { it == true }.optionalOrAbsentIfNull },
+        { contains(k, v) },
+        { if (it) actualizeKey(k) }
+    )
+
+    override suspend fun contains(k: Key): Boolean = doOrTakeAndActualize(
+        { contains(k).takeIf { it }.optionalOrAbsentIfNull },
+        { contains(k) },
+        { if (it) actualizeKey(k) }
+    )
+
+    override suspend fun keys(
+        v: Value,
+        pagination: Pagination,
+        reversed: Boolean
+    ): PaginationResult<Key> = doOrTakeAndActualize(
+        {
+            val keys = getAllWithNextPaging { keys(it) }.filter { get(it) ?.contains(v) == true }.optionallyReverse(reversed)
+            if (keys.isNotEmpty()) {
+                keys.paginate(pagination.optionallyReverse(keys.size, reversed)).takeIf { it.results.isNotEmpty() }.optionalOrAbsentIfNull
+            } else {
+                Optional.absent()
+            }
+        },
+        { parentRepo.keys(v, pagination, reversed) },
+        { if (it.results.isNotEmpty()) actualizeAll() }
+    )
+
+}
+
+fun <Key, Value> ReadKeyValuesRepo<Key, Value>.cached(
+    kvCache: FullKVCache<Key, List<Value>>
+) = FullReadKeyValuesCacheRepo(this, kvCache)
+
+open class FullWriteKeyValuesCacheRepo<Key,Value>(
+    protected open val parentRepo: WriteKeyValuesRepo<Key, Value>,
+    protected open val kvCache: FullKVCache<Key, List<Value>>,
+    scope: CoroutineScope = CoroutineScope(Dispatchers.Default)
+) : WriteKeyValuesRepo<Key, Value> by parentRepo, FullCacheRepo {
+    protected val onNewJob = parentRepo.onNewValue.onEach {
+        kvCache.set(
+            it.first,
+            kvCache.get(it.first) ?.plus(it.second) ?: listOf(it.second)
+        )
+    }.launchIn(scope)
+    protected val onRemoveJob = parentRepo.onValueRemoved.onEach {
+        kvCache.set(
+            it.first,
+            kvCache.get(it.first) ?.minus(it.second) ?: return@onEach
+        )
+    }.launchIn(scope)
+}
+
+fun <Key, Value> WriteKeyValuesRepo<Key, Value>.caching(
+    kvCache: FullKVCache<Key, List<Value>>,
+    scope: CoroutineScope = CoroutineScope(Dispatchers.Default)
+) = FullWriteKeyValuesCacheRepo(this, kvCache, scope)
+
+open class FullKeyValuesCacheRepo<Key,Value>(
+    parentRepo: KeyValuesRepo<Key, Value>,
+    kvCache: FullKVCache<Key, List<Value>>,
+    scope: CoroutineScope = CoroutineScope(Dispatchers.Default)
+) : FullWriteKeyValuesCacheRepo<Key, Value>(parentRepo, kvCache, scope),
+    KeyValuesRepo<Key, Value>,
+    ReadKeyValuesRepo<Key, Value> by FullReadKeyValuesCacheRepo(parentRepo, kvCache) {
+    override suspend fun clearWithValue(v: Value) {
+        doAllWithCurrentPaging {
+            keys(v, it).also {
+                remove(it.results.associateWith { listOf(v) })
+            }
+        }
+    }
+}
+
+fun <Key, Value> KeyValuesRepo<Key, Value>.caching(
+    kvCache: FullKVCache<Key, List<Value>>,
+    scope: CoroutineScope = CoroutineScope(Dispatchers.Default)
+) = FullKeyValuesCacheRepo(this, kvCache, scope)

repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/repos/KeyValuesRepo.kt

@@ -1,11 +1,10 @@
 package dev.inmo.micro_utils.repos
 
 import dev.inmo.micro_utils.pagination.*
-import dev.inmo.micro_utils.pagination.utils.doForAllWithCurrentPaging
 import dev.inmo.micro_utils.pagination.utils.getAllWithNextPaging
 import kotlinx.coroutines.flow.Flow
 
-interface ReadOneToManyKeyValueRepo<Key, Value> : Repo {
+interface ReadKeyValuesRepo<Key, Value> : Repo {
     suspend fun get(k: Key, pagination: Pagination, reversed: Boolean = false): PaginationResult<Value>
     suspend fun keys(pagination: Pagination, reversed: Boolean = false): PaginationResult<Key>
     suspend fun keys(v: Value, pagination: Pagination, reversed: Boolean = false): PaginationResult<Key>
@@ -36,9 +35,9 @@ interface ReadOneToManyKeyValueRepo<Key, Value> : Repo {
         }
     }
 }
-typealias ReadKeyValuesRepo<Key,Value> = ReadOneToManyKeyValueRepo<Key, Value>
+typealias ReadOneToManyKeyValueRepo<Key,Value> = ReadKeyValuesRepo<Key, Value>
 
-interface WriteOneToManyKeyValueRepo<Key, Value> : Repo {
+interface WriteKeyValuesRepo<Key, Value> : Repo {
     val onNewValue: Flow<Pair<Key, Value>>
     val onValueRemoved: Flow<Pair<Key, Value>>
     val onDataCleared: Flow<Key>
@@ -55,41 +54,41 @@ interface WriteOneToManyKeyValueRepo<Key, Value> : Repo {
         add(toSet)
     }
 }
-typealias WriteKeyValuesRepo<Key,Value> = WriteOneToManyKeyValueRepo<Key, Value>
+typealias WriteOneToManyKeyValueRepo<Key,Value> = WriteKeyValuesRepo<Key, Value>
 
-suspend inline fun <Key, Value, REPO : WriteOneToManyKeyValueRepo<Key, Value>> REPO.add(
+suspend inline fun <Key, Value, REPO : WriteKeyValuesRepo<Key, Value>> REPO.add(
     keysAndValues: List<Pair<Key, List<Value>>>
 ) = add(keysAndValues.toMap())
 
-suspend inline fun <Key, Value, REPO : WriteOneToManyKeyValueRepo<Key, Value>> REPO.add(
+suspend inline fun <Key, Value, REPO : WriteKeyValuesRepo<Key, Value>> REPO.add(
     vararg keysAndValues: Pair<Key, List<Value>>
 ) = add(keysAndValues.toMap())
 
-suspend inline fun <Key, Value> WriteOneToManyKeyValueRepo<Key, Value>.add(
+suspend inline fun <Key, Value> WriteKeyValuesRepo<Key, Value>.add(
     k: Key, v: List<Value>
 ) = add(mapOf(k to v))
 
-suspend inline fun <Key, Value> WriteOneToManyKeyValueRepo<Key, Value>.add(
+suspend inline fun <Key, Value> WriteKeyValuesRepo<Key, Value>.add(
     k: Key, vararg v: Value
 ) = add(k, v.toList())
 
-suspend inline fun <Key, Value, REPO : WriteOneToManyKeyValueRepo<Key, Value>> REPO.set(
+suspend inline fun <Key, Value, REPO : WriteKeyValuesRepo<Key, Value>> REPO.set(
     keysAndValues: List<Pair<Key, List<Value>>>
 ) = set(keysAndValues.toMap())
 
-suspend inline fun <Key, Value, REPO : WriteOneToManyKeyValueRepo<Key, Value>> REPO.set(
+suspend inline fun <Key, Value, REPO : WriteKeyValuesRepo<Key, Value>> REPO.set(
     vararg keysAndValues: Pair<Key, List<Value>>
 ) = set(keysAndValues.toMap())
 
-suspend inline fun <Key, Value> WriteOneToManyKeyValueRepo<Key, Value>.set(
+suspend inline fun <Key, Value> WriteKeyValuesRepo<Key, Value>.set(
     k: Key, v: List<Value>
 ) = set(mapOf(k to v))
 
-suspend inline fun <Key, Value> WriteOneToManyKeyValueRepo<Key, Value>.set(
+suspend inline fun <Key, Value> WriteKeyValuesRepo<Key, Value>.set(
     k: Key, vararg v: Value
 ) = set(k, v.toList())
 
-interface OneToManyKeyValueRepo<Key, Value> : ReadOneToManyKeyValueRepo<Key, Value>, WriteOneToManyKeyValueRepo<Key, Value> {
+interface KeyValuesRepo<Key, Value> : ReadKeyValuesRepo<Key, Value>, WriteKeyValuesRepo<Key, Value> {
     override suspend fun clearWithValue(v: Value) {
         doWithPagination {
             val keysResult = keys(v, it)
@@ -102,22 +101,29 @@ interface OneToManyKeyValueRepo<Key, Value> : ReadOneToManyKeyValueRepo<Key, Val
         }
     }
 }
-typealias KeyValuesRepo<Key,Value> = OneToManyKeyValueRepo<Key, Value>
+typealias OneToManyKeyValueRepo<Key,Value> = KeyValuesRepo<Key, Value>
 
-suspend inline fun <Key, Value> WriteOneToManyKeyValueRepo<Key, Value>.remove(
+class DelegateBasedKeyValuesRepo<Key, Value>(
+    readDelegate: ReadKeyValuesRepo<Key, Value>,
+    writeDelegate: WriteKeyValuesRepo<Key, Value>
+) : KeyValuesRepo<Key, Value>,
+    ReadKeyValuesRepo<Key, Value> by readDelegate,
+    WriteKeyValuesRepo<Key, Value> by writeDelegate
+
+suspend inline fun <Key, Value> WriteKeyValuesRepo<Key, Value>.remove(
     keysAndValues: List<Pair<Key, List<Value>>>
 ) = remove(keysAndValues.toMap())
 
-suspend inline fun <Key, Value> WriteOneToManyKeyValueRepo<Key, Value>.remove(
+suspend inline fun <Key, Value> WriteKeyValuesRepo<Key, Value>.remove(
     vararg keysAndValues: Pair<Key, List<Value>>
 ) = remove(keysAndValues.toMap())
 
-suspend inline fun <Key, Value> WriteOneToManyKeyValueRepo<Key, Value>.remove(
+suspend inline fun <Key, Value> WriteKeyValuesRepo<Key, Value>.remove(
     k: Key,
     v: List<Value>
 ) = remove(mapOf(k to v))
 
-suspend inline fun <Key, Value> WriteOneToManyKeyValueRepo<Key, Value>.remove(
+suspend inline fun <Key, Value> WriteKeyValuesRepo<Key, Value>.remove(
     k: Key,
     vararg v: Value
 ) = remove(k, v.toList())

repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/repos/MapperRepo.kt

@@ -1,21 +1,51 @@
 package dev.inmo.micro_utils.repos
 
+import dev.inmo.micro_utils.common.*
+
+@Suppress("UNCHECKED_CAST")
 interface MapperRepo<FromKey, FromValue, ToKey, ToValue> {
+    val keyMapper: SimpleSuspendableMapper<FromKey, ToKey>
+        get() = simpleSuspendableMapper(
+            { it.toInnerKey() },
+            { it.toOutKey() }
+        )
+    val valueMapper: SimpleSuspendableMapper<FromValue, ToValue>
+        get() = simpleSuspendableMapper(
+            { it.toInnerValue() },
+            { it.toOutValue() }
+        )
+
     suspend fun FromKey.toOutKey() = this as ToKey
     suspend fun FromValue.toOutValue() = this as ToValue
 
     suspend fun ToKey.toInnerKey() = this as FromKey
     suspend fun ToValue.toInnerValue() = this as FromValue
+
+    companion object
 }
 
-inline fun <reified FromKey, reified FromValue, reified ToKey, reified ToValue> mapper(
-    crossinline keyFromToTo: suspend FromKey.() -> ToKey = { this as ToKey },
-    crossinline valueFromToTo: suspend FromValue.() -> ToValue = { this as ToValue },
-    crossinline keyToToFrom: suspend ToKey.() -> FromKey = { this as FromKey },
-    crossinline valueToToFrom: suspend ToValue.() -> FromValue = { this as FromValue },
-) = object : MapperRepo<FromKey, FromValue, ToKey, ToValue> {
+class SimpleMapperRepo<FromKey, FromValue, ToKey, ToValue>(
+    private val keyFromToTo: suspend FromKey.() -> ToKey,
+    private val valueFromToTo: suspend FromValue.() -> ToValue,
+    private val keyToToFrom: suspend ToKey.() -> FromKey,
+    private val valueToToFrom: suspend ToValue.() -> FromValue
+) : MapperRepo<FromKey, FromValue, ToKey, ToValue> {
     override suspend fun FromKey.toOutKey(): ToKey = keyFromToTo()
     override suspend fun FromValue.toOutValue(): ToValue = valueFromToTo()
     override suspend fun ToKey.toInnerKey(): FromKey = keyToToFrom()
     override suspend fun ToValue.toInnerValue(): FromValue = valueToToFrom()
 }
+
+operator fun <FromKey, FromValue, ToKey, ToValue> MapperRepo.Companion.invoke(
+    keyFromToTo: suspend FromKey.() -> ToKey,
+    valueFromToTo: suspend FromValue.() -> ToValue,
+    keyToToFrom: suspend ToKey.() -> FromKey,
+    valueToToFrom: suspend ToValue.() -> FromValue
+) = SimpleMapperRepo(keyFromToTo, valueFromToTo, keyToToFrom, valueToToFrom)
+
+inline fun <reified FromKey, reified FromValue, reified ToKey, reified ToValue> mapper(
+    noinline keyFromToTo: suspend FromKey.() -> ToKey = { this as ToKey },
+    noinline valueFromToTo: suspend FromValue.() -> ToValue = { this as ToValue },
+    noinline keyToToFrom: suspend ToKey.() -> FromKey = { this as FromKey },
+    noinline valueToToFrom: suspend ToValue.() -> FromValue = { this as FromValue },
+) = MapperRepo(keyFromToTo, valueFromToTo, keyToToFrom, valueToToFrom)

repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/repos/StandartCRUDRepo.kt

@@ -4,13 +4,13 @@ import dev.inmo.micro_utils.pagination.Pagination
 import dev.inmo.micro_utils.pagination.PaginationResult
 import kotlinx.coroutines.flow.Flow
 
-interface ReadStandardCRUDRepo<ObjectType, IdType> : Repo {
+interface ReadCRUDRepo<ObjectType, IdType> : Repo {
     suspend fun getByPagination(pagination: Pagination): PaginationResult<ObjectType>
     suspend fun getById(id: IdType): ObjectType?
     suspend fun contains(id: IdType): Boolean
     suspend fun count(): Long
 }
-typealias ReadCRUDRepo<ObjectType, IdType> = ReadStandardCRUDRepo<ObjectType, IdType>
+typealias ReadStandardCRUDRepo<ObjectType, IdType> = ReadCRUDRepo<ObjectType, IdType>
 
 typealias UpdatedValuePair<IdType, ValueType> = Pair<IdType, ValueType>
 val <IdType> UpdatedValuePair<IdType, *>.id
@@ -18,7 +18,7 @@ val <IdType> UpdatedValuePair<IdType, *>.id
 val <ValueType> UpdatedValuePair<*, ValueType>.value
     get() = second
 
-interface WriteStandardCRUDRepo<ObjectType, IdType, InputValueType> : Repo {
+interface WriteCRUDRepo<ObjectType, IdType, InputValueType> : Repo {
     val newObjectsFlow: Flow<ObjectType>
     val updatedObjectsFlow: Flow<ObjectType>
     val deletedObjectsIdsFlow: Flow<IdType>
@@ -28,18 +28,25 @@ interface WriteStandardCRUDRepo<ObjectType, IdType, InputValueType> : Repo {
     suspend fun update(values: List<UpdatedValuePair<IdType, InputValueType>>): List<ObjectType>
     suspend fun deleteById(ids: List<IdType>)
 }
-typealias WriteCRUDRepo<ObjectType, IdType, InputValueType> = WriteStandardCRUDRepo<ObjectType, IdType, InputValueType>
+typealias WriteStandardCRUDRepo<ObjectType, IdType, InputValueType> = WriteCRUDRepo<ObjectType, IdType, InputValueType>
 
-suspend fun <ObjectType, IdType, InputValueType> WriteStandardCRUDRepo<ObjectType, IdType, InputValueType>.create(
+suspend fun <ObjectType, IdType, InputValueType> WriteCRUDRepo<ObjectType, IdType, InputValueType>.create(
     vararg values: InputValueType
 ): List<ObjectType> = create(values.toList())
-suspend fun <ObjectType, IdType, InputValueType> WriteStandardCRUDRepo<ObjectType, IdType, InputValueType>.update(
+suspend fun <ObjectType, IdType, InputValueType> WriteCRUDRepo<ObjectType, IdType, InputValueType>.update(
     vararg values: UpdatedValuePair<IdType, InputValueType>
 ): List<ObjectType> = update(values.toList())
-suspend fun <ObjectType, IdType, InputValueType> WriteStandardCRUDRepo<ObjectType, IdType, InputValueType>.deleteById(
+suspend fun <ObjectType, IdType, InputValueType> WriteCRUDRepo<ObjectType, IdType, InputValueType>.deleteById(
     vararg ids: IdType
 ) = deleteById(ids.toList())
 
-interface StandardCRUDRepo<ObjectType, IdType, InputValueType> : ReadStandardCRUDRepo<ObjectType, IdType>,
-    WriteStandardCRUDRepo<ObjectType, IdType, InputValueType>
-typealias CRUDRepo<ObjectType, IdType, InputValueType> = StandardCRUDRepo<ObjectType, IdType, InputValueType>
+interface CRUDRepo<ObjectType, IdType, InputValueType> : ReadCRUDRepo<ObjectType, IdType>,
+    WriteCRUDRepo<ObjectType, IdType, InputValueType>
+typealias StandardCRUDRepo<ObjectType, IdType, InputValueType> = CRUDRepo<ObjectType, IdType, InputValueType>
+
+class DelegateBasedCRUDRepo<ObjectType, IdType, InputValueType>(
+    readDelegate: ReadCRUDRepo<ObjectType, IdType>,
+    writeDelegate: WriteCRUDRepo<ObjectType, IdType, InputValueType>
+) : CRUDRepo<ObjectType, IdType, InputValueType>,
+    ReadCRUDRepo<ObjectType, IdType> by readDelegate,
+    WriteCRUDRepo<ObjectType, IdType, InputValueType> by writeDelegate

repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/repos/StandartKeyValueRepo.kt

@@ -4,7 +4,7 @@ import dev.inmo.micro_utils.pagination.*
 import dev.inmo.micro_utils.pagination.utils.doAllWithCurrentPaging
 import kotlinx.coroutines.flow.Flow
 
-interface ReadStandardKeyValueRepo<Key, Value> : Repo {
+interface ReadKeyValueRepo<Key, Value> : Repo {
     suspend fun get(k: Key): Value?
     suspend fun values(pagination: Pagination, reversed: Boolean = false): PaginationResult<Value>
     suspend fun keys(pagination: Pagination, reversed: Boolean = false): PaginationResult<Key>
@@ -12,9 +12,9 @@ interface ReadStandardKeyValueRepo<Key, Value> : Repo {
     suspend fun contains(key: Key): Boolean
     suspend fun count(): Long
 }
-typealias ReadKeyValueRepo<Key,Value> = ReadStandardKeyValueRepo<Key, Value>
+typealias ReadStandardKeyValueRepo<Key,Value> = ReadKeyValueRepo<Key, Value>
 
-interface WriteStandardKeyValueRepo<Key, Value> : Repo {
+interface WriteKeyValueRepo<Key, Value> : Repo {
     val onNewValue: Flow<Pair<Key, Value>>
     val onValueRemoved: Flow<Key>
 
@@ -22,25 +22,25 @@ interface WriteStandardKeyValueRepo<Key, Value> : Repo {
     suspend fun unset(toUnset: List<Key>)
     suspend fun unsetWithValues(toUnset: List<Value>)
 }
-typealias WriteKeyValueRepo<Key,Value> = WriteStandardKeyValueRepo<Key, Value>
+typealias WriteStandardKeyValueRepo<Key,Value> = WriteKeyValueRepo<Key, Value>
 
-suspend inline fun <Key, Value> WriteStandardKeyValueRepo<Key, Value>.set(
+suspend inline fun <Key, Value> WriteKeyValueRepo<Key, Value>.set(
     vararg toSet: Pair<Key, Value>
 ) = set(toSet.toMap())
 
-suspend inline fun <Key, Value> WriteStandardKeyValueRepo<Key, Value>.set(
+suspend inline fun <Key, Value> WriteKeyValueRepo<Key, Value>.set(
     k: Key, v: Value
 ) = set(k to v)
 
-suspend inline fun <Key, Value> WriteStandardKeyValueRepo<Key, Value>.unset(
+suspend inline fun <Key, Value> WriteKeyValueRepo<Key, Value>.unset(
     vararg k: Key
 ) = unset(k.toList())
 
-suspend inline fun <Key, Value> WriteStandardKeyValueRepo<Key, Value>.unsetWithValues(
+suspend inline fun <Key, Value> WriteKeyValueRepo<Key, Value>.unsetWithValues(
     vararg v: Value
 ) = unsetWithValues(v.toList())
 
-interface StandardKeyValueRepo<Key, Value> : ReadStandardKeyValueRepo<Key, Value>, WriteStandardKeyValueRepo<Key, Value> {
+interface KeyValueRepo<Key, Value> : ReadKeyValueRepo<Key, Value>, WriteKeyValueRepo<Key, Value> {
     override suspend fun unsetWithValues(toUnset: List<Value>) = toUnset.forEach { v ->
         doAllWithCurrentPaging {
             keys(v, it).also {
@@ -48,5 +48,16 @@ interface StandardKeyValueRepo<Key, Value> : ReadStandardKeyValueRepo<Key, Value
             }
         }
     }
+
+    suspend fun clear() {
+        doAllWithCurrentPaging { keys(it).also { unset(it.results) } }
+    }
 }
-typealias KeyValueRepo<Key,Value> = StandardKeyValueRepo<Key, Value>
+typealias StandardKeyValueRepo<Key,Value> = KeyValueRepo<Key, Value>
+
+class DelegateBasedKeyValueRepo<Key, Value>(
+    readDelegate: ReadKeyValueRepo<Key, Value>,
+    writeDelegate: WriteKeyValueRepo<Key, Value>
+) : KeyValueRepo<Key, Value>,
+    ReadKeyValueRepo<Key, Value> by readDelegate,
+    WriteKeyValueRepo<Key, Value> by writeDelegate

repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/repos/mappers/CRUDMappers.kt

@@ -0,0 +1,130 @@
+package dev.inmo.micro_utils.repos.mappers
+
+import dev.inmo.micro_utils.common.*
+import dev.inmo.micro_utils.pagination.*
+import dev.inmo.micro_utils.repos.*
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+
+open class MapperReadCRUDRepo<FromId, FromRegistered, ToId, ToRegistered>(
+    private val to: ReadCRUDRepo<ToRegistered, ToId>,
+    mapper: MapperRepo<FromId, FromRegistered, ToId, ToRegistered>
+) : ReadCRUDRepo<FromRegistered, FromId>, MapperRepo<FromId, FromRegistered, ToId, ToRegistered> by mapper {
+    override suspend fun getByPagination(
+        pagination: Pagination
+    ): PaginationResult<FromRegistered> = to.getByPagination(
+        pagination
+    ).let {
+        it.changeResultsUnchecked(
+            it.results.map { it.toInnerValue() }
+        )
+    }
+
+    override suspend fun count(): Long = to.count()
+
+    override suspend fun contains(id: FromId): Boolean = to.contains(id.toOutKey())
+
+    override suspend fun getById(id: FromId): FromRegistered? = to.getById(
+        id.toOutKey()
+    ) ?.toInnerValue()
+}
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun <FromKey, FromValue, ToKey, ToValue> ReadCRUDRepo<ToValue, ToKey>.withMapper(
+    mapper: MapperRepo<FromKey, FromValue, ToKey, ToValue>
+): ReadCRUDRepo<FromValue, FromKey> = MapperReadCRUDRepo(this, mapper)
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun <reified FromKey, reified FromValue, reified ToKey, reified ToValue> ReadCRUDRepo<ToValue, ToKey>.withMapper(
+    noinline keyFromToTo: suspend FromKey.() -> ToKey = { this as ToKey },
+    noinline valueFromToTo: suspend FromValue.() -> ToValue = { this as ToValue },
+    noinline keyToToFrom: suspend ToKey.() -> FromKey = { this as FromKey },
+    noinline valueToToFrom: suspend ToValue.() -> FromValue = { this as FromValue },
+): ReadCRUDRepo<FromValue, FromKey> = withMapper(
+    mapper(keyFromToTo, valueFromToTo, keyToToFrom, valueToToFrom)
+)
+
+open class MapperWriteCRUDRepo<FromId, FromRegistered, FromInput, ToId, ToRegistered, ToInput>(
+    private val to: WriteCRUDRepo<ToRegistered, ToId, ToInput>,
+    mapper: MapperRepo<FromId, FromRegistered, ToId, ToRegistered>,
+    inputMapper: SimpleSuspendableMapper<FromInput, ToInput>
+) : WriteCRUDRepo<FromRegistered, FromId, FromInput>,
+    MapperRepo<FromId, FromRegistered, ToId, ToRegistered> by mapper,
+    SimpleSuspendableMapper<FromInput, ToInput> by inputMapper {
+    override val newObjectsFlow: Flow<FromRegistered> = to.newObjectsFlow.map { it.toInnerValue() }
+    override val updatedObjectsFlow: Flow<FromRegistered> = to.updatedObjectsFlow.map { it.toInnerValue() }
+    override val deletedObjectsIdsFlow: Flow<FromId> = to.deletedObjectsIdsFlow.map { it.toInnerKey() }
+
+    override suspend fun deleteById(ids: List<FromId>) = to.deleteById(ids.map { it.toOutKey() })
+
+    override suspend fun update(
+        values: List<UpdatedValuePair<FromId, FromInput>>
+    ): List<FromRegistered> = to.update(
+        values.map {
+            it.first.toOutKey() to convert(it.second)
+        }
+    ).map { it.toInnerValue() }
+
+    override suspend fun update(
+        id: FromId,
+        value: FromInput
+    ): FromRegistered? = to.update(id.toOutKey(), convert(value)) ?.toInnerValue()
+
+    override suspend fun create(values: List<FromInput>): List<FromRegistered> = to.create(
+        values.map {
+            convert(it)
+        }
+    ).map {
+        it.toInnerValue()
+    }
+
+}
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun <FromKey, FromValue, FromInput, ToKey, ToValue, ToInput> WriteCRUDRepo<ToValue, ToKey, ToInput>.withMapper(
+    mapper: MapperRepo<FromKey, FromValue, ToKey, ToValue>,
+    simpleSuspendableMapper: SimpleSuspendableMapper<FromInput, ToInput>
+): WriteCRUDRepo<FromValue, FromKey, FromInput> = MapperWriteCRUDRepo(this, mapper, simpleSuspendableMapper)
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun <reified FromKey, reified FromValue, reified FromInput, reified ToKey, reified ToValue, reified ToInput> WriteCRUDRepo<ToValue, ToKey, ToInput>.withMapper(
+    noinline keyFromToTo: suspend FromKey.() -> ToKey = { this as ToKey },
+    noinline valueFromToTo: suspend FromValue.() -> ToValue = { this as ToValue },
+    noinline inputFromToTo: suspend FromInput.() -> ToInput = { this as ToInput },
+    noinline keyToToFrom: suspend ToKey.() -> FromKey = { this as FromKey },
+    noinline valueToToFrom: suspend ToValue.() -> FromValue = { this as FromValue },
+    noinline inputToToFrom: suspend ToInput.() -> FromInput = { this as FromInput },
+): WriteCRUDRepo<FromValue, FromKey, FromInput> = withMapper(
+    mapper(keyFromToTo, valueFromToTo, keyToToFrom, valueToToFrom),
+    simpleSuspendableMapper({ inputToToFrom(it) }, { inputFromToTo(it) })
+)
+
+@Suppress("DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE")
+open class MapperCRUDRepo<FromId, FromRegistered, FromInput, ToId, ToRegistered, ToInput>(
+    private val to: CRUDRepo<ToRegistered, ToId, ToInput>,
+    private val mapper: MapperRepo<FromId, FromRegistered, ToId, ToRegistered>,
+    private val inputMapper: SimpleSuspendableMapper<FromInput, ToInput>
+) : CRUDRepo<FromRegistered, FromId, FromInput>,
+    MapperRepo<FromId, FromRegistered, ToId, ToRegistered> by mapper,
+    ReadCRUDRepo<FromRegistered, FromId> by MapperReadCRUDRepo(to, mapper),
+    WriteCRUDRepo<FromRegistered, FromId, FromInput> by MapperWriteCRUDRepo(to, mapper, inputMapper)
+
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun <FromKey, FromValue, FromInput, ToKey, ToValue, ToInput> CRUDRepo<ToValue, ToKey, ToInput>.withMapper(
+    mapper: MapperRepo<FromKey, FromValue, ToKey, ToValue>,
+    simpleSuspendableMapper: SimpleSuspendableMapper<FromInput, ToInput>
+): CRUDRepo<FromValue, FromKey, FromInput> = MapperCRUDRepo(this, mapper, simpleSuspendableMapper)
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun <reified FromKey, reified FromValue, reified FromInput, reified ToKey, reified ToValue, reified ToInput> CRUDRepo<ToValue, ToKey, ToInput>.withMapper(
+    noinline keyFromToTo: suspend FromKey.() -> ToKey = { this as ToKey },
+    noinline valueFromToTo: suspend FromValue.() -> ToValue = { this as ToValue },
+    noinline inputFromToTo: suspend FromInput.() -> ToInput = { this as ToInput },
+    noinline keyToToFrom: suspend ToKey.() -> FromKey = { this as FromKey },
+    noinline valueToToFrom: suspend ToValue.() -> FromValue = { this as FromValue },
+    noinline inputToToFrom: suspend ToInput.() -> FromInput = { this as FromInput },
+): CRUDRepo<FromValue, FromKey, FromInput> = withMapper(
+    mapper(keyFromToTo, valueFromToTo, keyToToFrom, valueToToFrom),
+    simpleSuspendableMapper({ inputToToFrom(it) }, { inputFromToTo(it) })
+)

repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/repos/mappers/KeyValueMappers.kt

@@ -1,15 +1,14 @@
 package dev.inmo.micro_utils.repos.mappers
 
-import dev.inmo.micro_utils.pagination.Pagination
-import dev.inmo.micro_utils.pagination.PaginationResult
+import dev.inmo.micro_utils.pagination.*
 import dev.inmo.micro_utils.repos.*
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.map
 
-open class MapperReadStandardKeyValueRepo<FromKey, FromValue, ToKey, ToValue>(
-    private val to: ReadStandardKeyValueRepo<ToKey, ToValue>,
+open class MapperReadKeyValueRepo<FromKey, FromValue, ToKey, ToValue>(
+    private val to: ReadKeyValueRepo<ToKey, ToValue>,
     mapper: MapperRepo<FromKey, FromValue, ToKey, ToValue>
-) : ReadStandardKeyValueRepo<FromKey, FromValue>, MapperRepo<FromKey, FromValue, ToKey, ToValue> by mapper {
+) : ReadKeyValueRepo<FromKey, FromValue>, MapperRepo<FromKey, FromValue, ToKey, ToValue> by mapper {
     override suspend fun get(k: FromKey): FromValue? = to.get(
         k.toOutKey()
     ) ?.toInnerValue()
@@ -21,11 +20,8 @@ open class MapperReadStandardKeyValueRepo<FromKey, FromValue, ToKey, ToValue>(
         pagination,
         reversed
     ).let {
-        PaginationResult(
-            it.page,
-            it.pagesNumber,
-            it.results.map { it.toInnerValue() },
-            it.size
+        it.changeResultsUnchecked(
+            it.results.map { it.toInnerValue() }
         )
     }
 
@@ -36,11 +32,8 @@ open class MapperReadStandardKeyValueRepo<FromKey, FromValue, ToKey, ToValue>(
         pagination,
         reversed
     ).let {
-        PaginationResult(
-            it.page,
-            it.pagesNumber,
-            it.results.map { it.toInnerKey() },
-            it.size
+        it.changeResultsUnchecked(
+            it.results.map { it.toInnerKey() }
         )
     }
 
@@ -53,11 +46,8 @@ open class MapperReadStandardKeyValueRepo<FromKey, FromValue, ToKey, ToValue>(
         pagination,
         reversed
     ).let {
-        PaginationResult(
-            it.page,
-            it.pagesNumber,
-            it.results.map { it.toInnerKey() },
-            it.size
+        it.changeResultsUnchecked(
+            it.results.map { it.toInnerKey() }
         )
     }
 
@@ -69,24 +59,24 @@ open class MapperReadStandardKeyValueRepo<FromKey, FromValue, ToKey, ToValue>(
 }
 
 @Suppress("NOTHING_TO_INLINE")
-inline fun <FromKey, FromValue, ToKey, ToValue> ReadStandardKeyValueRepo<ToKey, ToValue>.withMapper(
+inline fun <FromKey, FromValue, ToKey, ToValue> ReadKeyValueRepo<ToKey, ToValue>.withMapper(
     mapper: MapperRepo<FromKey, FromValue, ToKey, ToValue>
-): ReadStandardKeyValueRepo<FromKey, FromValue> = MapperReadStandardKeyValueRepo(this, mapper)
+): ReadKeyValueRepo<FromKey, FromValue> = MapperReadKeyValueRepo(this, mapper)
 
 @Suppress("NOTHING_TO_INLINE")
-inline fun <reified FromKey, reified FromValue, reified ToKey, reified ToValue> ReadStandardKeyValueRepo<ToKey, ToValue>.withMapper(
-    crossinline keyFromToTo: suspend FromKey.() -> ToKey = { this as ToKey },
-    crossinline valueFromToTo: suspend FromValue.() -> ToValue = { this as ToValue },
-    crossinline keyToToFrom: suspend ToKey.() -> FromKey = { this as FromKey },
-    crossinline valueToToFrom: suspend ToValue.() -> FromValue = { this as FromValue },
-): ReadStandardKeyValueRepo<FromKey, FromValue> = withMapper(
+inline fun <reified FromKey, reified FromValue, reified ToKey, reified ToValue> ReadKeyValueRepo<ToKey, ToValue>.withMapper(
+    noinline keyFromToTo: suspend FromKey.() -> ToKey = { this as ToKey },
+    noinline valueFromToTo: suspend FromValue.() -> ToValue = { this as ToValue },
+    noinline keyToToFrom: suspend ToKey.() -> FromKey = { this as FromKey },
+    noinline valueToToFrom: suspend ToValue.() -> FromValue = { this as FromValue },
+): ReadKeyValueRepo<FromKey, FromValue> = withMapper(
     mapper(keyFromToTo, valueFromToTo, keyToToFrom, valueToToFrom)
 )
 
-open class MapperWriteStandardKeyValueRepo<FromKey, FromValue, ToKey, ToValue>(
-    private val to: WriteStandardKeyValueRepo<ToKey, ToValue>,
+open class MapperWriteKeyValueRepo<FromKey, FromValue, ToKey, ToValue>(
+    private val to: WriteKeyValueRepo<ToKey, ToValue>,
     mapper: MapperRepo<FromKey, FromValue, ToKey, ToValue>
-) : WriteStandardKeyValueRepo<FromKey, FromValue>, MapperRepo<FromKey, FromValue, ToKey, ToValue> by mapper {
+) : WriteKeyValueRepo<FromKey, FromValue>, MapperRepo<FromKey, FromValue, ToKey, ToValue> by mapper {
     override val onNewValue: Flow<Pair<FromKey, FromValue>> = to.onNewValue.map { (k, v) ->
         k.toInnerKey() to v.toInnerValue()
     }
@@ -112,39 +102,40 @@ open class MapperWriteStandardKeyValueRepo<FromKey, FromValue, ToKey, ToValue>(
 }
 
 @Suppress("NOTHING_TO_INLINE")
-inline fun <FromKey, FromValue, ToKey, ToValue> WriteStandardKeyValueRepo<ToKey, ToValue>.withMapper(
+inline fun <FromKey, FromValue, ToKey, ToValue> WriteKeyValueRepo<ToKey, ToValue>.withMapper(
     mapper: MapperRepo<FromKey, FromValue, ToKey, ToValue>
-): WriteStandardKeyValueRepo<FromKey, FromValue> = MapperWriteStandardKeyValueRepo(this, mapper)
+): WriteKeyValueRepo<FromKey, FromValue> = MapperWriteKeyValueRepo(this, mapper)
 
 @Suppress("NOTHING_TO_INLINE")
-inline fun <reified FromKey, reified FromValue, reified ToKey, reified ToValue> WriteStandardKeyValueRepo<ToKey, ToValue>.withMapper(
-    crossinline keyFromToTo: suspend FromKey.() -> ToKey = { this as ToKey },
-    crossinline valueFromToTo: suspend FromValue.() -> ToValue = { this as ToValue },
-    crossinline keyToToFrom: suspend ToKey.() -> FromKey = { this as FromKey },
-    crossinline valueToToFrom: suspend ToValue.() -> FromValue = { this as FromValue },
-): WriteStandardKeyValueRepo<FromKey, FromValue> = withMapper(
+inline fun <reified FromKey, reified FromValue, reified ToKey, reified ToValue> WriteKeyValueRepo<ToKey, ToValue>.withMapper(
+    noinline keyFromToTo: suspend FromKey.() -> ToKey = { this as ToKey },
+    noinline valueFromToTo: suspend FromValue.() -> ToValue = { this as ToValue },
+    noinline keyToToFrom: suspend ToKey.() -> FromKey = { this as FromKey },
+    noinline valueToToFrom: suspend ToValue.() -> FromValue = { this as FromValue },
+): WriteKeyValueRepo<FromKey, FromValue> = withMapper(
     mapper(keyFromToTo, valueFromToTo, keyToToFrom, valueToToFrom)
 )
 
-open class MapperStandardKeyValueRepo<FromKey, FromValue, ToKey, ToValue>(
-    private val to: StandardKeyValueRepo<ToKey, ToValue>,
-    mapper: MapperRepo<FromKey, FromValue, ToKey, ToValue>
-) : StandardKeyValueRepo<FromKey, FromValue>,
+@Suppress("DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE")
+open class MapperKeyValueRepo<FromKey, FromValue, ToKey, ToValue>(
+    private val to: KeyValueRepo<ToKey, ToValue>,
+    private val mapper: MapperRepo<FromKey, FromValue, ToKey, ToValue>
+) : KeyValueRepo<FromKey, FromValue>,
     MapperRepo<FromKey, FromValue, ToKey, ToValue> by mapper,
-    ReadStandardKeyValueRepo<FromKey, FromValue> by MapperReadStandardKeyValueRepo(to, mapper),
-    WriteStandardKeyValueRepo<FromKey, FromValue> by MapperWriteStandardKeyValueRepo(to, mapper)
+    ReadKeyValueRepo<FromKey, FromValue> by MapperReadKeyValueRepo(to, mapper),
+    WriteKeyValueRepo<FromKey, FromValue> by MapperWriteKeyValueRepo(to, mapper)
 
 @Suppress("NOTHING_TO_INLINE")
-inline fun <FromKey, FromValue, ToKey, ToValue> StandardKeyValueRepo<ToKey, ToValue>.withMapper(
+inline fun <FromKey, FromValue, ToKey, ToValue> KeyValueRepo<ToKey, ToValue>.withMapper(
     mapper: MapperRepo<FromKey, FromValue, ToKey, ToValue>
-): StandardKeyValueRepo<FromKey, FromValue> = MapperStandardKeyValueRepo(this, mapper)
+): KeyValueRepo<FromKey, FromValue> = MapperKeyValueRepo(this, mapper)
 
 @Suppress("NOTHING_TO_INLINE")
-inline fun <reified FromKey, reified FromValue, reified ToKey, reified ToValue> StandardKeyValueRepo<ToKey, ToValue>.withMapper(
-    crossinline keyFromToTo: suspend FromKey.() -> ToKey = { this as ToKey },
-    crossinline valueFromToTo: suspend FromValue.() -> ToValue = { this as ToValue },
-    crossinline keyToToFrom: suspend ToKey.() -> FromKey = { this as FromKey },
-    crossinline valueToToFrom: suspend ToValue.() -> FromValue = { this as FromValue },
-): StandardKeyValueRepo<FromKey, FromValue> = withMapper(
+inline fun <reified FromKey, reified FromValue, reified ToKey, reified ToValue> KeyValueRepo<ToKey, ToValue>.withMapper(
+    noinline keyFromToTo: suspend FromKey.() -> ToKey = { this as ToKey },
+    noinline valueFromToTo: suspend FromValue.() -> ToValue = { this as ToValue },
+    noinline keyToToFrom: suspend ToKey.() -> FromKey = { this as FromKey },
+    noinline valueToToFrom: suspend ToValue.() -> FromValue = { this as FromValue },
+): KeyValueRepo<FromKey, FromValue> = withMapper(
     mapper(keyFromToTo, valueFromToTo, keyToToFrom, valueToToFrom)
 )

repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/repos/mappers/OneToManyKeyValueMappers.kt

@@ -1,15 +1,14 @@
 package dev.inmo.micro_utils.repos.mappers
 
-import dev.inmo.micro_utils.pagination.Pagination
-import dev.inmo.micro_utils.pagination.PaginationResult
+import dev.inmo.micro_utils.pagination.*
 import dev.inmo.micro_utils.repos.*
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.map
 
-open class MapperReadOneToManyKeyValueRepo<FromKey, FromValue, ToKey, ToValue>(
-    private val to: ReadOneToManyKeyValueRepo<ToKey, ToValue>,
+open class MapperReadKeyValuesRepo<FromKey, FromValue, ToKey, ToValue>(
+    private val to: ReadKeyValuesRepo<ToKey, ToValue>,
     mapper: MapperRepo<FromKey, FromValue, ToKey, ToValue>
-) : ReadOneToManyKeyValueRepo<FromKey, FromValue>, MapperRepo<FromKey, FromValue, ToKey, ToValue> by mapper {
+) : ReadKeyValuesRepo<FromKey, FromValue>, MapperRepo<FromKey, FromValue, ToKey, ToValue> by mapper {
     override suspend fun get(
         k: FromKey,
         pagination: Pagination,
@@ -19,11 +18,8 @@ open class MapperReadOneToManyKeyValueRepo<FromKey, FromValue, ToKey, ToValue>(
         pagination,
         reversed
     ).let {
-        PaginationResult(
-            it.page,
-            it.pagesNumber,
-            it.results.map { it.toInnerValue() },
-            it.size
+        it.changeResultsUnchecked(
+            it.results.map { it.toInnerValue() }
         )
     }
 
@@ -34,11 +30,8 @@ open class MapperReadOneToManyKeyValueRepo<FromKey, FromValue, ToKey, ToValue>(
         pagination,
         reversed
     ).let {
-        PaginationResult(
-            it.page,
-            it.pagesNumber,
-            it.results.map { it.toInnerKey() },
-            it.size
+        it.changeResultsUnchecked(
+            it.results.map { it.toInnerKey() }
         )
     }
 
@@ -51,11 +44,8 @@ open class MapperReadOneToManyKeyValueRepo<FromKey, FromValue, ToKey, ToValue>(
         pagination,
         reversed
     ).let {
-        PaginationResult(
-            it.page,
-            it.pagesNumber,
-            it.results.map { it.toInnerKey() },
-            it.size
+        it.changeResultsUnchecked(
+            it.results.map { it.toInnerKey() }
         )
     }
 
@@ -67,24 +57,24 @@ open class MapperReadOneToManyKeyValueRepo<FromKey, FromValue, ToKey, ToValue>(
 }
 
 @Suppress("NOTHING_TO_INLINE")
-inline fun <FromKey, FromValue, ToKey, ToValue> ReadOneToManyKeyValueRepo<ToKey, ToValue>.withMapper(
+inline fun <FromKey, FromValue, ToKey, ToValue> ReadKeyValuesRepo<ToKey, ToValue>.withMapper(
     mapper: MapperRepo<FromKey, FromValue, ToKey, ToValue>
-): ReadOneToManyKeyValueRepo<FromKey, FromValue> = MapperReadOneToManyKeyValueRepo(this, mapper)
+): ReadKeyValuesRepo<FromKey, FromValue> = MapperReadKeyValuesRepo(this, mapper)
 
 @Suppress("NOTHING_TO_INLINE")
-inline fun <reified FromKey, reified FromValue, reified ToKey, reified ToValue> ReadOneToManyKeyValueRepo<ToKey, ToValue>.withMapper(
-    crossinline keyFromToTo: suspend FromKey.() -> ToKey = { this as ToKey },
-    crossinline valueFromToTo: suspend FromValue.() -> ToValue = { this as ToValue },
-    crossinline keyToToFrom: suspend ToKey.() -> FromKey = { this as FromKey },
-    crossinline valueToToFrom: suspend ToValue.() -> FromValue = { this as FromValue },
-): ReadOneToManyKeyValueRepo<FromKey, FromValue> = withMapper(
+inline fun <reified FromKey, reified FromValue, reified ToKey, reified ToValue> ReadKeyValuesRepo<ToKey, ToValue>.withMapper(
+    noinline keyFromToTo: suspend FromKey.() -> ToKey = { this as ToKey },
+    noinline valueFromToTo: suspend FromValue.() -> ToValue = { this as ToValue },
+    noinline keyToToFrom: suspend ToKey.() -> FromKey = { this as FromKey },
+    noinline valueToToFrom: suspend ToValue.() -> FromValue = { this as FromValue },
+): ReadKeyValuesRepo<FromKey, FromValue> = withMapper(
     mapper(keyFromToTo, valueFromToTo, keyToToFrom, valueToToFrom)
 )
 
-open class MapperWriteOneToManyKeyValueRepo<FromKey, FromValue, ToKey, ToValue>(
-    private val to: WriteOneToManyKeyValueRepo<ToKey, ToValue>,
+open class MapperWriteKeyValuesRepo<FromKey, FromValue, ToKey, ToValue>(
+    private val to: WriteKeyValuesRepo<ToKey, ToValue>,
     mapper: MapperRepo<FromKey, FromValue, ToKey, ToValue>
-) : WriteOneToManyKeyValueRepo<FromKey, FromValue>, MapperRepo<FromKey, FromValue, ToKey, ToValue> by mapper {
+) : WriteKeyValuesRepo<FromKey, FromValue>, MapperRepo<FromKey, FromValue, ToKey, ToValue> by mapper {
     override val onNewValue: Flow<Pair<FromKey, FromValue>> = to.onNewValue.map { (k, v) ->
         k.toInnerKey() to v.toInnerValue()
     }
@@ -118,39 +108,40 @@ open class MapperWriteOneToManyKeyValueRepo<FromKey, FromValue, ToKey, ToValue>(
 }
 
 @Suppress("NOTHING_TO_INLINE")
-inline fun <FromKey, FromValue, ToKey, ToValue> WriteOneToManyKeyValueRepo<ToKey, ToValue>.withMapper(
+inline fun <FromKey, FromValue, ToKey, ToValue> WriteKeyValuesRepo<ToKey, ToValue>.withMapper(
     mapper: MapperRepo<FromKey, FromValue, ToKey, ToValue>
-): WriteOneToManyKeyValueRepo<FromKey, FromValue> = MapperWriteOneToManyKeyValueRepo(this, mapper)
+): WriteKeyValuesRepo<FromKey, FromValue> = MapperWriteKeyValuesRepo(this, mapper)
 
 @Suppress("NOTHING_TO_INLINE")
-inline fun <reified FromKey, reified FromValue, reified ToKey, reified ToValue> WriteOneToManyKeyValueRepo<ToKey, ToValue>.withMapper(
-    crossinline keyFromToTo: suspend FromKey.() -> ToKey = { this as ToKey },
-    crossinline valueFromToTo: suspend FromValue.() -> ToValue = { this as ToValue },
-    crossinline keyToToFrom: suspend ToKey.() -> FromKey = { this as FromKey },
-    crossinline valueToToFrom: suspend ToValue.() -> FromValue = { this as FromValue },
-): WriteOneToManyKeyValueRepo<FromKey, FromValue> = withMapper(
+inline fun <reified FromKey, reified FromValue, reified ToKey, reified ToValue> WriteKeyValuesRepo<ToKey, ToValue>.withMapper(
+    noinline keyFromToTo: suspend FromKey.() -> ToKey = { this as ToKey },
+    noinline valueFromToTo: suspend FromValue.() -> ToValue = { this as ToValue },
+    noinline keyToToFrom: suspend ToKey.() -> FromKey = { this as FromKey },
+    noinline valueToToFrom: suspend ToValue.() -> FromValue = { this as FromValue },
+): WriteKeyValuesRepo<FromKey, FromValue> = withMapper(
     mapper(keyFromToTo, valueFromToTo, keyToToFrom, valueToToFrom)
 )
 
-open class MapperOneToManyKeyValueRepo<FromKey, FromValue, ToKey, ToValue>(
-    private val to: OneToManyKeyValueRepo<ToKey, ToValue>,
+@Suppress("DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE")
+open class MapperKeyValuesRepo<FromKey, FromValue, ToKey, ToValue>(
+    private val to: KeyValuesRepo<ToKey, ToValue>,
     mapper: MapperRepo<FromKey, FromValue, ToKey, ToValue>
-) : OneToManyKeyValueRepo<FromKey, FromValue>,
+) : KeyValuesRepo<FromKey, FromValue>,
     MapperRepo<FromKey, FromValue, ToKey, ToValue> by mapper,
-    ReadOneToManyKeyValueRepo<FromKey, FromValue> by MapperReadOneToManyKeyValueRepo(to, mapper),
-    WriteOneToManyKeyValueRepo<FromKey, FromValue> by MapperWriteOneToManyKeyValueRepo(to, mapper)
+    ReadKeyValuesRepo<FromKey, FromValue> by MapperReadKeyValuesRepo(to, mapper),
+    WriteKeyValuesRepo<FromKey, FromValue> by MapperWriteKeyValuesRepo(to, mapper)
 
 @Suppress("NOTHING_TO_INLINE")
-inline fun <FromKey, FromValue, ToKey, ToValue> OneToManyKeyValueRepo<ToKey, ToValue>.withMapper(
+inline fun <FromKey, FromValue, ToKey, ToValue> KeyValuesRepo<ToKey, ToValue>.withMapper(
     mapper: MapperRepo<FromKey, FromValue, ToKey, ToValue>
-): OneToManyKeyValueRepo<FromKey, FromValue> = MapperOneToManyKeyValueRepo(this, mapper)
+): KeyValuesRepo<FromKey, FromValue> = MapperKeyValuesRepo(this, mapper)
 
 @Suppress("NOTHING_TO_INLINE")
-inline fun <reified FromKey, reified FromValue, reified ToKey, reified ToValue> OneToManyKeyValueRepo<ToKey, ToValue>.withMapper(
-    crossinline keyFromToTo: suspend FromKey.() -> ToKey = { this as ToKey },
-    crossinline valueFromToTo: suspend FromValue.() -> ToValue = { this as ToValue },
-    crossinline keyToToFrom: suspend ToKey.() -> FromKey = { this as FromKey },
-    crossinline valueToToFrom: suspend ToValue.() -> FromValue = { this as FromValue },
-): OneToManyKeyValueRepo<FromKey, FromValue> = withMapper(
+inline fun <reified FromKey, reified FromValue, reified ToKey, reified ToValue> KeyValuesRepo<ToKey, ToValue>.withMapper(
+    noinline keyFromToTo: suspend FromKey.() -> ToKey = { this as ToKey },
+    noinline valueFromToTo: suspend FromValue.() -> ToValue = { this as ToValue },
+    noinline keyToToFrom: suspend ToKey.() -> FromKey = { this as FromKey },
+    noinline valueToToFrom: suspend ToValue.() -> FromValue = { this as FromValue },
+): KeyValuesRepo<FromKey, FromValue> = withMapper(
     mapper(keyFromToTo, valueFromToTo, keyToToFrom, valueToToFrom)
 )

repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/repos/pagination/CRUDPaginationExtensions.kt

@@ -1,11 +1,10 @@
 package dev.inmo.micro_utils.repos.pagination
 
 import dev.inmo.micro_utils.pagination.*
-import dev.inmo.micro_utils.pagination.utils.doForAllWithNextPaging
 import dev.inmo.micro_utils.pagination.utils.getAllWithNextPaging
-import dev.inmo.micro_utils.repos.ReadStandardCRUDRepo
+import dev.inmo.micro_utils.repos.ReadCRUDRepo
 
-suspend inline fun <T, ID, REPO : ReadStandardCRUDRepo<T, ID>> REPO.getAll(
+suspend inline fun <T, ID, REPO : ReadCRUDRepo<T, ID>> REPO.getAll(
     @Suppress("REDUNDANT_INLINE_SUSPEND_FUNCTION_TYPE")
     crossinline methodCaller: suspend REPO.(Pagination) -> PaginationResult<T>
 ): List<T> = getAllWithNextPaging {

repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/repos/pagination/KeyValuePaginationExtensions.kt

@@ -2,9 +2,9 @@ package dev.inmo.micro_utils.repos.pagination
 
 import dev.inmo.micro_utils.pagination.*
 import dev.inmo.micro_utils.pagination.utils.getAllWithNextPaging
-import dev.inmo.micro_utils.repos.ReadStandardKeyValueRepo
+import dev.inmo.micro_utils.repos.ReadKeyValueRepo
 
-suspend inline fun <Key, Value, REPO : ReadStandardKeyValueRepo<Key, Value>> REPO.getAll(
+suspend inline fun <Key, Value, REPO : ReadKeyValueRepo<Key, Value>> REPO.getAll(
     @Suppress("REDUNDANT_INLINE_SUSPEND_FUNCTION_TYPE")
     crossinline methodCaller: suspend REPO.(Pagination) -> PaginationResult<Key>
 ): List<Pair<Key, Value>> = getAllWithNextPaging {

repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/repos/pagination/OneToManyPaginationExtensions.kt

@@ -2,9 +2,9 @@ package dev.inmo.micro_utils.repos.pagination
 
 import dev.inmo.micro_utils.pagination.*
 import dev.inmo.micro_utils.pagination.utils.getAllWithNextPaging
-import dev.inmo.micro_utils.repos.ReadOneToManyKeyValueRepo
+import dev.inmo.micro_utils.repos.ReadKeyValuesRepo
 
-suspend inline fun <Key, Value, REPO : ReadOneToManyKeyValueRepo<Key, Value>> REPO.getAll(
+suspend inline fun <Key, Value, REPO : ReadKeyValuesRepo<Key, Value>> REPO.getAll(
     @Suppress("REDUNDANT_INLINE_SUSPEND_FUNCTION_TYPE")
     crossinline methodCaller: suspend REPO.(Pagination) -> PaginationResult<Key>
 ): List<Pair<Key, List<Value>>> = getAllWithNextPaging {

repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/repos/versions/KeyValueBasedVersionsRepoProxy.kt

@@ -1,10 +1,10 @@
 package dev.inmo.micro_utils.repos.versions
 
-import dev.inmo.micro_utils.repos.StandardKeyValueRepo
+import dev.inmo.micro_utils.repos.KeyValueRepo
 import dev.inmo.micro_utils.repos.set
 
 class KeyValueBasedVersionsRepoProxy<T>(
-    private val keyValueStore: StandardKeyValueRepo<String, Int>,
+    private val keyValueStore: KeyValueRepo<String, Int>,
     override val database: T
 ) : StandardVersionsRepoProxy<T> {
     override suspend fun getTableVersion(tableName: String): Int? = keyValueStore.get(tableName)

repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/repos/versions/VersionsRepo.kt

@@ -13,12 +13,12 @@ interface VersionsRepo<T> : Repo {
      * By default, instance of this interface will check that version of table with name [tableName] is less than
      * [version] or is absent
      *
-     * * In case if [tableName] didn't found, will be called [onCreate] and version of table will be set up to [version]
-     * * In case if [tableName] have version less than parameter [version], it will increase version one-by-one
-     * until database version will be equal to [version]
+     * In case if [tableName] didn't found, will be called [onCreate]. Then in case if [tableName] have version less
+     * than parameter [version] or null, it will increase version one-by-one until database version will be equal to
+     * [version]
      *
      * @param version Current version of table
-     * @param onCreate This callback will be called in case when table have no information about table
+     * @param onCreate This callback will be called in case when repo have no information about table
      * @param onUpdate This callback will be called after **iterative** changing of version. It is expected that parameter
      * "to" will always be greater than "from"
      */

repos/common/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/FileKeyValueRepo.kt

@@ -13,9 +13,9 @@ import java.nio.file.StandardWatchEventKinds.*
 private inline val String.isAbsolute
     get() = startsWith(File.separator)
 
-class FileReadStandardKeyValueRepo(
+class FileReadKeyValueRepo(
     private val folder: File
-) : ReadStandardKeyValueRepo<String, File> {
+) : ReadKeyValueRepo<String, File> {
     init {
         folder.mkdirs()
     }
@@ -31,7 +31,7 @@ class FileReadStandardKeyValueRepo(
     override suspend fun values(pagination: Pagination, reversed: Boolean): PaginationResult<File> {
         val count = count()
         val resultPagination = if (reversed) pagination.reverse(count) else pagination
-        val filesPaths = folder.list() ?.copyOfRange(resultPagination.firstIndex, resultPagination.lastIndex) ?: return emptyPaginationResult()
+        val filesPaths = folder.list() ?.copyOfRange(resultPagination.firstIndex, resultPagination.lastIndexExclusive) ?: return emptyPaginationResult()
         if (reversed) {
             filesPaths.reverse()
         }
@@ -44,7 +44,7 @@ class FileReadStandardKeyValueRepo(
     override suspend fun keys(pagination: Pagination, reversed: Boolean): PaginationResult<String> {
         val count = count()
         val resultPagination = if (reversed) pagination.reverse(count) else pagination
-        val filesPaths = folder.list() ?.copyOfRange(resultPagination.firstIndex, resultPagination.lastIndex) ?: return emptyPaginationResult()
+        val filesPaths = folder.list() ?.copyOfRange(resultPagination.firstIndex, resultPagination.lastIndexExclusive) ?: return emptyPaginationResult()
         if (reversed) {
             filesPaths.reverse()
         }
@@ -83,17 +83,19 @@ class FileReadStandardKeyValueRepo(
  * Files watching will not correctly works on Android with version of API lower than API 26
  */
 @Warning("Files watching will not correctly works on Android Platform with version of API lower than API 26")
-class FileWriteStandardKeyValueRepo(
+class FileWriteKeyValueRepo(
     private val folder: File,
     filesChangedProcessingScope: CoroutineScope? = null
-) : WriteStandardKeyValueRepo<String, File> {
+) : WriteKeyValueRepo<String, File> {
     private val _onNewValue = MutableSharedFlow<Pair<String, File>>()
     override val onNewValue: Flow<Pair<String, File>> = _onNewValue.asSharedFlow()
     private val _onValueRemoved = MutableSharedFlow<String>()
     override val onValueRemoved: Flow<String> = _onValueRemoved.asSharedFlow()
 
     init {
-        folder.mkdirs()
+        if (!folder.mkdirs() && !folder.exists()) {
+            error("Unable to create folder ${folder.absolutePath}")
+        }
         filesChangedProcessingScope ?.let {
             it.launch {
                 try {
@@ -138,15 +140,17 @@ class FileWriteStandardKeyValueRepo(
     }
 
     override suspend fun set(toSet: Map<String, File>) {
-        supervisorScope {
-            toSet.map { (filename, fileSource) ->
-                launch {
-                    val file = File(folder, filename)
+        val scope = CoroutineScope(currentCoroutineContext())
+        toSet.map { (filename, fileSource) ->
+            scope.launch {
+                val file = File(folder, filename)
 
-                    file.delete()
-                    fileSource.copyTo(file, overwrite = true)
-                    _onNewValue.emit(filename to file)
+                file.delete()
+                fileSource.copyTo(file, overwrite = true)
+                if (!file.exists()) {
+                    error("Can't create file $file with new content")
                 }
+                _onNewValue.emit(filename to file)
             }
         }.joinAll()
     }
@@ -175,9 +179,11 @@ class FileWriteStandardKeyValueRepo(
 }
 
 @Warning("Files watching will not correctly works on Android Platform with version of API lower than API 26")
-class FileStandardKeyValueRepo(
+@Suppress("DELEGATED_MEMBER_HIDES_SUPERTYPE_OVERRIDE")
+class FileKeyValueRepo(
     folder: File,
     filesChangedProcessingScope: CoroutineScope? = null
-) : StandardKeyValueRepo<String, File>,
-    WriteStandardKeyValueRepo<String, File> by FileWriteStandardKeyValueRepo(folder, filesChangedProcessingScope),
-    ReadStandardKeyValueRepo<String, File> by FileReadStandardKeyValueRepo(folder)
+) : KeyValueRepo<String, File>,
+    WriteKeyValueRepo<String, File> by FileWriteKeyValueRepo(folder, filesChangedProcessingScope),
+    ReadKeyValueRepo<String, File> by FileReadKeyValueRepo(folder) {
+}

repos/common/src/main/kotlin/dev/inmo/micro_utils/repos/CursorIterator.kt

@@ -0,0 +1,27 @@
+package dev.inmo.micro_utils.repos
+
+import android.database.Cursor
+
+class CursorIterator(
+    private val c: Cursor
+) : Iterator<Cursor> {
+    private var i = 0
+
+    init {
+        c.moveToFirst()
+    }
+    override fun hasNext(): Boolean {
+        return i < c.count
+    }
+
+    override fun next(): Cursor {
+        i++
+        return if (c.moveToNext()) {
+            c
+        } else {
+            throw NoSuchElementException()
+        }
+    }
+}
+
+operator fun Cursor.iterator(): CursorIterator = CursorIterator(this)

repos/common/src/main/kotlin/dev/inmo/micro_utils/repos/crud/AbstractAndroidCRUDRepo.kt

@@ -12,7 +12,7 @@ val <T> T.asId: String
 
 abstract class AbstractAndroidCRUDRepo<ObjectType, IdType>(
     protected val helper: StandardSQLHelper
-) : ReadStandardCRUDRepo<ObjectType, IdType> {
+) : ReadCRUDRepo<ObjectType, IdType> {
     protected abstract val tableName: String
     protected abstract val idColumnName: String
     protected abstract suspend fun Cursor.toObject(): ObjectType
@@ -64,4 +64,4 @@ abstract class AbstractAndroidCRUDRepo<ObjectType, IdType>(
             }
         }
     }
-}
+}

repos/common/src/main/kotlin/dev/inmo/micro_utils/repos/crud/AbstractMutableAndroidCRUDRepo.kt

@@ -9,9 +9,9 @@ abstract class AbstractMutableAndroidCRUDRepo<ObjectType, IdType, InputValueType
     helper: StandardSQLHelper,
     replyInFlows: Int = 0,
     extraBufferCapacityInFlows: Int = 64
-) : WriteStandardCRUDRepo<ObjectType, IdType, InputValueType>,
+) : WriteCRUDRepo<ObjectType, IdType, InputValueType>,
     AbstractAndroidCRUDRepo<ObjectType, IdType>(helper),
-    StandardCRUDRepo<ObjectType, IdType, InputValueType> {
+    CRUDRepo<ObjectType, IdType, InputValueType> {
     protected val newObjectsChannel = MutableSharedFlow<ObjectType>(replyInFlows, extraBufferCapacityInFlows)
     protected val updateObjectsChannel = MutableSharedFlow<ObjectType>(replyInFlows, extraBufferCapacityInFlows)
     protected val deleteObjectsIdsChannel = MutableSharedFlow<IdType>(replyInFlows, extraBufferCapacityInFlows)

repos/common/src/main/kotlin/dev/inmo/micro_utils/repos/keyvalue/KeyValueStore.kt

@@ -3,11 +3,10 @@ package dev.inmo.micro_utils.repos.keyvalue
 import android.content.Context
 import android.content.SharedPreferences
 import androidx.core.content.edit
-import dev.inmo.micro_utils.pagination.Pagination
-import dev.inmo.micro_utils.pagination.PaginationResult
+import dev.inmo.micro_utils.pagination.*
 import dev.inmo.micro_utils.pagination.utils.paginate
 import dev.inmo.micro_utils.pagination.utils.reverse
-import dev.inmo.micro_utils.repos.StandardKeyValueRepo
+import dev.inmo.micro_utils.repos.KeyValueRepo
 import kotlinx.coroutines.flow.*
 
 private val cache = HashMap<String, KeyValueStore<*>>()
@@ -15,7 +14,8 @@ private val cache = HashMap<String, KeyValueStore<*>>()
 fun <T : Any> Context.keyValueStore(
     name: String = "default",
     cacheValues: Boolean = false
-): StandardKeyValueRepo<String, T> {
+): KeyValueRepo<String, T> {
+    @Suppress("UNCHECKED_CAST")
     return cache.getOrPut(name) {
         KeyValueStore<T>(this, name, cacheValues)
     } as KeyValueStore<T>
@@ -25,7 +25,7 @@ class KeyValueStore<T : Any> internal constructor (
     c: Context,
     preferencesName: String,
     useCache: Boolean = false
-) : SharedPreferences.OnSharedPreferenceChangeListener, StandardKeyValueRepo<String, T> {
+) : SharedPreferences.OnSharedPreferenceChangeListener, KeyValueRepo<String, T> {
     private val sharedPreferences = c.getSharedPreferences(preferencesName, Context.MODE_PRIVATE)
 
     private val cachedData = if (useCache) {
@@ -62,6 +62,7 @@ class KeyValueStore<T : Any> internal constructor (
     }
 
     override suspend fun get(k: String): T? {
+        @Suppress("UNCHECKED_CAST")
         return (cachedData ?. get(k) ?: sharedPreferences.all[k]) as? T
     }
 
@@ -70,11 +71,11 @@ class KeyValueStore<T : Any> internal constructor (
         return sharedPreferences.all.values.paginate(
             resultPagination
         ).let {
-            PaginationResult(
-                it.page,
-                it.pagesNumber,
-                it.results.map { it as T }.let { if (reversed) it.reversed() else it },
-                it.size
+            it.changeResultsUnchecked(
+                it.results.map {
+                    @Suppress("UNCHECKED_CAST")
+                    it as T
+                }.let { if (reversed) it.reversed() else it }
             )
         }
     }
@@ -84,11 +85,8 @@ class KeyValueStore<T : Any> internal constructor (
         return sharedPreferences.all.keys.paginate(
             resultPagination
         ).let {
-            PaginationResult(
-                it.page,
-                it.pagesNumber,
-                it.results.let { if (reversed) it.reversed() else it },
-                it.size
+            it.changeResultsUnchecked(
+                it.results.let { if (reversed) it.reversed() else it }
             )
         }
     }
@@ -98,11 +96,8 @@ class KeyValueStore<T : Any> internal constructor (
         return sharedPreferences.all.mapNotNull { (k, value) -> if (value == v) k else null }.paginate(
             resultPagination
         ).let {
-            PaginationResult(
-                it.page,
-                it.pagesNumber,
-                it.results.let { if (reversed) it.reversed() else it },
-                it.size
+            it.changeResultsUnchecked(
+                it.results.let { if (reversed) it.reversed() else it }
             )
         }
     }
@@ -155,3 +150,9 @@ class KeyValueStore<T : Any> internal constructor (
         }
     }
 }
+
+inline fun <T : Any> SharedPreferencesKeyValueRepo(
+    context: Context,
+    name: String = "default",
+    cacheValues: Boolean = false
+) = context.keyValueStore<T>(name, cacheValues)

repos/common/src/main/kotlin/dev/inmo/micro_utils/repos/onetomany/OneToManyAndroidRepo.kt

@@ -9,7 +9,6 @@ import dev.inmo.micro_utils.repos.*
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.asSharedFlow
-import kotlinx.coroutines.runBlocking
 import kotlinx.serialization.KSerializer
 import kotlinx.serialization.json.Json
 
@@ -26,7 +25,7 @@ class OneToManyAndroidRepo<Key, Value>(
     private val keyFromString: String.() -> Key,
     private val valueFromString: String.() -> Value,
     private val helper: SQLiteOpenHelper
-) : OneToManyKeyValueRepo<Key, Value> {
+) : KeyValuesRepo<Key, Value> {
     private val _onNewValue: MutableSharedFlow<Pair<Key, Value>> = MutableSharedFlow()
     override val onNewValue: Flow<Pair<Key, Value>> = _onNewValue.asSharedFlow()
     private val _onValueRemoved: MutableSharedFlow<Pair<Key, Value>> = MutableSharedFlow()
@@ -143,7 +142,12 @@ class OneToManyAndroidRepo<Key, Value>(
     }.toLong()
 
     override suspend fun count(k: Key): Long = helper.blockingReadableTransaction {
-        selectDistinct(tableName, columns = valueColumnArray, selection = "$idColumnName=?", selectionArgs = arrayOf(k.keyAsString()), limit = FirstPagePagination(1).limitClause()).use {
+        selectDistinct(
+            tableName,
+            columns = valueColumnArray,
+            selection = "$idColumnName=?",
+            selectionArgs = arrayOf(k.keyAsString())
+        ).use {
             it.count
         }
     }.toLong()

repos/common/src/main/kotlin/dev/inmo/micro_utils/repos/versions/AndroidSharedPreferencesStandardVersionsRepoProxy.kt

@@ -4,13 +4,11 @@ package dev.inmo.micro_utils.repos.versions
 
 import android.content.Context
 import android.database.sqlite.SQLiteOpenHelper
-import androidx.core.content.contentValuesOf
 import dev.inmo.micro_utils.repos.*
 import dev.inmo.micro_utils.repos.keyvalue.keyValueStore
-import kotlinx.coroutines.runBlocking
 
 /**
- * Will create [VersionsRepo] based on [T], but versions will be stored in [StandardKeyValueRepo]
+ * Will create [VersionsRepo] based on [T], but versions will be stored in [KeyValueRepo]
  *
  * @receiver Will be used to create [KeyValueBasedVersionsRepoProxy] via [keyValueStore] and pass it to [StandardVersionsRepo]
  *
@@ -26,9 +24,9 @@ inline fun <T> Context.versionsKeyValueRepo(
     )
 )
 /**
- * Will create [VersionsRepo] based on [SQLiteOpenHelper], but versions will be stored in [StandardKeyValueRepo]
+ * Will create [VersionsRepo] based on [SQLiteOpenHelper], but versions will be stored in [KeyValueRepo]
  *
- * @receiver Will be used to create [StandardKeyValueRepo] via [keyValueStore] and pass it to [StandardVersionsRepo]
+ * @receiver Will be used to create [KeyValueRepo] via [keyValueStore] and pass it to [StandardVersionsRepo]
  *
  * @see [keyValueStore]
  */
@@ -37,9 +35,9 @@ inline fun Context.versionsKeyValueRepoForSQL(
 ) = versionsKeyValueRepo(database)
 
 /**
- * Will create [VersionsRepo] based on [SQLiteOpenHelper], but versions will be stored in [StandardKeyValueRepo]
+ * Will create [VersionsRepo] based on [SQLiteOpenHelper], but versions will be stored in [KeyValueRepo]
  *
- * @param context Will be used to create [StandardKeyValueRepo] via [keyValueStore] and pass it to [StandardVersionsRepo]
+ * @param context Will be used to create [KeyValueRepo] via [keyValueStore] and pass it to [StandardVersionsRepo]
  *
  * @see [keyValueStore]
  */

repos/exposed/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/exposed/AbstractExposedCRUDRepo.kt

@@ -1,6 +1,6 @@
 package dev.inmo.micro_utils.repos.exposed
 
-import dev.inmo.micro_utils.repos.StandardCRUDRepo
+import dev.inmo.micro_utils.repos.CRUDRepo
 
 abstract class AbstractExposedCRUDRepo<ObjectType, IdType, InputValueType>(
     flowsChannelsSize: Int = 0,
@@ -11,4 +11,4 @@ abstract class AbstractExposedCRUDRepo<ObjectType, IdType, InputValueType>(
         tableName
     ),
     ExposedCRUDRepo<ObjectType, IdType>,
-    StandardCRUDRepo<ObjectType, IdType, InputValueType>
+    CRUDRepo<ObjectType, IdType, InputValueType>

repos/exposed/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/exposed/AbstractExposedReadCRUDRepo.kt

@@ -1,14 +1,14 @@
 package dev.inmo.micro_utils.repos.exposed
 
 import dev.inmo.micro_utils.pagination.*
-import dev.inmo.micro_utils.repos.ReadStandardCRUDRepo
+import dev.inmo.micro_utils.repos.ReadCRUDRepo
 import org.jetbrains.exposed.sql.*
 import org.jetbrains.exposed.sql.transactions.transaction
 
 abstract class AbstractExposedReadCRUDRepo<ObjectType, IdType>(
     tableName: String
 ) :
-    ReadStandardCRUDRepo<ObjectType, IdType>,
+    ReadCRUDRepo<ObjectType, IdType>,
     ExposedCRUDRepo<ObjectType, IdType>,
     Table(tableName)
 {

repos/exposed/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/exposed/AbstractExposedWriteCRUDRepo.kt

@@ -1,7 +1,7 @@
 package dev.inmo.micro_utils.repos.exposed
 
 import dev.inmo.micro_utils.repos.UpdatedValuePair
-import dev.inmo.micro_utils.repos.WriteStandardCRUDRepo
+import dev.inmo.micro_utils.repos.WriteCRUDRepo
 import kotlinx.coroutines.flow.*
 import org.jetbrains.exposed.sql.*
 import org.jetbrains.exposed.sql.statements.InsertStatement
@@ -15,18 +15,17 @@ abstract class AbstractExposedWriteCRUDRepo<ObjectType, IdType, InputValueType>(
 ) :
     AbstractExposedReadCRUDRepo<ObjectType, IdType>(tableName),
     ExposedCRUDRepo<ObjectType, IdType>,
-    WriteStandardCRUDRepo<ObjectType, IdType, InputValueType>
+    WriteCRUDRepo<ObjectType, IdType, InputValueType>
 {
-    protected val newObjectsChannel = MutableSharedFlow<ObjectType>(replyCacheInFlows, flowsChannelsSize)
-    protected val updateObjectsChannel = MutableSharedFlow<ObjectType>(replyCacheInFlows, flowsChannelsSize)
-    protected val deleteObjectsIdsChannel = MutableSharedFlow<IdType>(replyCacheInFlows, flowsChannelsSize)
+    protected val _newObjectsFlow = MutableSharedFlow<ObjectType>(replyCacheInFlows, flowsChannelsSize)
+    protected val _updatedObjectsFlow = MutableSharedFlow<ObjectType>(replyCacheInFlows, flowsChannelsSize)
+    protected val _deletedObjectsIdsFlow = MutableSharedFlow<IdType>(replyCacheInFlows, flowsChannelsSize)
 
-    override val newObjectsFlow: Flow<ObjectType> = newObjectsChannel.asSharedFlow()
-    override val updatedObjectsFlow: Flow<ObjectType> = updateObjectsChannel.asSharedFlow()
-    override val deletedObjectsIdsFlow: Flow<IdType> = deleteObjectsIdsChannel.asSharedFlow()
+    override val newObjectsFlow: Flow<ObjectType> = _newObjectsFlow.asSharedFlow()
+    override val updatedObjectsFlow: Flow<ObjectType> = _updatedObjectsFlow.asSharedFlow()
+    override val deletedObjectsIdsFlow: Flow<IdType> = _deletedObjectsIdsFlow.asSharedFlow()
 
     protected abstract fun InsertStatement<Number>.asObject(value: InputValueType): ObjectType
-    abstract val selectByIds: SqlExpressionBuilder.(List<IdType>) -> Op<Boolean>
 
     protected abstract fun insert(value: InputValueType, it: InsertStatement<Number>)
     protected abstract fun update(id: IdType, value: InputValueType, it: UpdateStatement)
@@ -43,7 +42,7 @@ abstract class AbstractExposedWriteCRUDRepo<ObjectType, IdType, InputValueType>(
         return transaction(db = database) {
             values.map { value -> createWithoutNotification(value) }
         }.onEach {
-            newObjectsChannel.emit(it)
+            _newObjectsFlow.emit(it)
         }
     }
 
@@ -74,7 +73,7 @@ abstract class AbstractExposedWriteCRUDRepo<ObjectType, IdType, InputValueType>(
         onBeforeUpdate(listOf(id to value))
         return updateWithoutNotification(id, value).also {
             if (it != null) {
-                updateObjectsChannel.emit(it)
+                _updatedObjectsFlow.emit(it)
             }
         }
     }
@@ -85,16 +84,25 @@ abstract class AbstractExposedWriteCRUDRepo<ObjectType, IdType, InputValueType>(
                 values.map { (id, value) -> updateWithoutNotification(id, value) }
             }.filterNotNull()
         ).onEach {
-            updateObjectsChannel.emit(it)
+            _updatedObjectsFlow.emit(it)
         }
     }
     protected open suspend fun onBeforeDelete(ids: List<IdType>) {}
     override suspend fun deleteById(ids: List<IdType>) {
         onBeforeDelete(ids)
         transaction(db = database) {
-            deleteWhere(null, null) {
+            val deleted = deleteWhere(null, null) {
                 selectByIds(ids)
             }
+            if (deleted == ids.size) {
+                ids
+            } else {
+                ids.filter {
+                    select { selectById(it) }.limit(1).none()
+                }
+            }
+        }.forEach {
+            _deletedObjectsIdsFlow.emit(it)
         }
     }
 }

repos/exposed/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/exposed/CommonExposedRepo.kt

@@ -0,0 +1,20 @@
+package dev.inmo.micro_utils.repos.exposed
+
+import org.jetbrains.exposed.sql.*
+
+interface CommonExposedRepo<IdType, ObjectType> : ExposedRepo {
+    val ResultRow.asObject: ObjectType
+    val selectById: SqlExpressionBuilder.(IdType) -> Op<Boolean>
+    val selectByIds: SqlExpressionBuilder.(List<IdType>) -> Op<Boolean>
+        get() = { list ->
+            if (list.isEmpty()) {
+                Op.FALSE
+            } else {
+                var op = selectById(list.first())
+                (1 until list.size).forEach {
+                    op = op.or(selectById(list[it]))
+                }
+                op
+            }
+        }
+}