improve ktor server part

0.9.21

.github/workflows/dokka_push.yml

@@ -10,10 +10,10 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-java@v1
         with:
-          java-version: 1.8
-      - name: Fix android 31.0.0 dx
+          java-version: 11
+      - name: Fix android 32.0.0 dx
         continue-on-error: true
-        run: cd /usr/local/lib/android/sdk/build-tools/31.0.0/ && mv d8 dx && cd lib  && mv d8.jar dx.jar
+        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
       - name: Publish KDocs

.github/workflows/packages_push.yml

@@ -8,10 +8,10 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-java@v1
         with:
-          java-version: 1.8
-      - name: Fix android 31.0.0 dx
+          java-version: 11
+      - name: Fix android 32.0.0 dx
         continue-on-error: true
-        run: cd /usr/local/lib/android/sdk/build-tools/31.0.0/ && mv d8 dx && cd lib  && mv d8.jar dx.jar
+        run: cd /usr/local/lib/android/sdk/build-tools/32.0.0/ && mv d8 dx && cd lib  && mv d8.jar dx.jar
       - name: Rewrite version
         run: |
           branch="`echo "${{ github.ref }}" | grep -o "[^/]*$"`"
@@ -22,7 +22,7 @@ jobs:
         run: ./gradlew build
       - name: Publish
         continue-on-error: true
-        run: ./gradlew --no-parallel publishAllPublicationsToGithubPackagesRepository -x signJsPublication -x signJvmPublication -x signKotlinMultiplatformPublication -x signAndroidDebugPublication -x signAndroidReleasePublication -x signKotlinMultiplatformPublication
+        run: ./gradlew --no-parallel publishAllPublicationsToGithubPackagesRepository
         env:
           GITHUBPACKAGES_USER: ${{ github.actor }}
           GITHUBPACKAGES_PASSWORD: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -11,5 +11,6 @@ out/
 
 secret.gradle
 local.properties
+kotlin-js-store
 
 publishing.sh

CHANGELOG.md

@@ -1,5 +1,312 @@
 # Changelog
 
+## 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`:
+        * New extension `Composition#linkWithRoot` for removing of composition with root element
+* `Coroutines`:
+    * `Compose`:
+        * New function `renderComposableAndLinkToContextAndRoot` with linking of composition to root element
+
+## 0.9.15
+
+* `FSM`:
+    * Rename `DefaultUpdatableStatesMachine#compare` to `DefaultUpdatableStatesMachine#shouldReplaceJob`
+    * `DefaultStatesManager` now is extendable
+    * `DefaultStatesMachine` will stop all jobs of states which was removed from `statesManager`
+
+## 0.9.14
+
+* `Versions`:
+    * `Klock`: `2.6.2` -> `2.6.3`
+    * `Ktor`: `1.6.7` -> `1.6.8`
+* `Ktor`:
+    * Add temporal files uploading functionality (for clients to upload and for server to receive)
+
+## 0.9.13
+
+* `Versions`:
+    * `Compose`: `1.1.0` -> `1.1.1`
+
+## 0.9.12
+
+* `Common`:
+    * `JS`:
+        * New function `openLink`
+        * New function `selectFile`
+        * New function `triggerDownloadFile`
+    * `Compose`:
+        * Created :)
+        * `Common`:
+            * `DefaultDisposableEffectResult` as a default realization of `DisposableEffectResult`
+        * `JS`:
+            * `openLink` on top of `openLink` with `String` target from common
+* `Coroutines`:
+    * `Compose`:
+        * `Common`:
+            * New extension `Flow.toMutableState`
+            * New extension `StateFlow.toMutableState`
+        * `JS`:
+            * New function `selectFileOrThrow` on top of `selectFile` from `common`
+            * New function `selectFileOrNull` on top of `selectFile` from `common`
+
+## 0.9.11
+
+* `Versions`:
+    * `Klock`: `2.6.1` -> `2.6.2`
+* `Coroutines`:
+    * `Compose`:
+        * Created :)
+        * New extensions and function:
+            * `Composition#linkWithJob`
+            * `Composition#linkWithContext`
+            * `renderComposableAndLinkToContext`
+
+## 0.9.10
+
+* `Versions`:
+    * `Klock`: `2.5.2` -> `2.6.1`
+* Ktor:
+    * Client:
+        * New function `UnifiedRequester#createStandardWebsocketFlow` without `checkReconnection` arg
+    * Server:
+        * Now it is possible to filter data in `Route#includeWebsocketHandling`
+        * Callback in `Route#includeWebsocketHandling` and dependent methods is `suspend` since now
+        * Add `URLProtocol` support in `Route#includeWebsocketHandling` and dependent methods
+
+## 0.9.9
+
+* `Versions`:
+    * `Klock`: `2.5.1` -> `2.5.2`
+* `Common`:
+    * Add new diff tool - `applyDiff`
+    * Implementation of `IntersectionObserver` in JS part (copypaste of [this](https://youtrack.jetbrains.com/issue/KT-43157#focus=Comments-27-4498582.0-0) comment)
+
+## 0.9.8
+
+* `Versions`:
+    * `Exposed`: `0.37.2` -> `0.37.3`
+    * `Klock`: `2.4.13` -> `2.5.1`
+    * `AppCompat`: `1.4.0` -> `1.4.1`
+
+## 0.9.7
+
+* `Repos`:
+    * `Exposed`:
+        * Fix in `ExposedOneToManyKeyValueRepo` - now it will not use `insertIgnore`
+* `Ktor`:
+    * `Server`:
+        * `Route#includeWebsocketHandling` now will check that `WebSockets` feature and install it if not
+
+## 0.9.6
+
+* `Repos`:
+    * `Exposed`:
+        * Fix in `ExposedOneToManyKeyValueRepo` - now it will not use `deleteIgnoreWhere`
+
+## 0.9.5
+
+* `Versions`:
+    * `Klock`: `2.4.12` -> `2.4.13`
+
+## 0.9.4
+
+* `Pagination`:
+    * `Common`:
+        * Add several `optionallyReverse` functions
+* `Common`:
+    * Changes in `Either`:
+        * Now `Either` uses `optionalT1` and `optionalT2` as main properties
+        * `Either#t1` and `Either#t2` are deprecated
+        * New extensions `Either#mapOnFirst` and `Either#mapOnSecond`
+
+## 0.9.3
+
+* `Versions`:
+    * `UUID`: `0.3.1` -> `0.4.0`
+
+## 0.9.2
+
+* `Versions`:
+    * `Klock`: `2.4.10` -> `2.4.12`
+
+## 0.9.1
+
+* `Repos`:
+    * `Exposed`:
+        * Default realizations of standard interfaces for exposed DB are using public fields for now:
+            * `ExposedReadKeyValueRepo`
+            * `ExposedReadOneToManyKeyValueRepo`
+            * `ExposedStandardVersionsRepoProxy`
+        * New typealiases for one to many exposed realizations:
+            * `ExposedReadKeyValuesRepo`
+            * `ExposedKeyValuesRepo`
+
+## 0.9.0
+
+* `Versions`:
+    * `Kotlin`: `1.5.31` -> `1.6.10`
+    * `Coroutines`: `1.5.2` -> `1.6.0`
+    * `Serialization`: `1.3.1` -> `1.3.2`
+    * `Exposed`: `0.36.2` -> `0.37.2`
+    * `Ktor`: `1.6.5` -> `1.6.7`
+    * `Klock`: `2.4.8` -> `2.4.10`
+
+## 0.8.9
+
+* `Ktor`:
+    * `Server`:
+        * Fixes in `uniloadMultipart`
+    * `Client`:
+        * Fixes in `unimultipart`
+* `FSM`:
+    * Fixes in `DefaultUpdatableStatesMachine`
+
+## 0.8.8
+
+* `Versions`:
+    * `AppCompat`: `1.3.1` -> `1.4.0`
+    * Android Compile SDK: `31.0.0` -> `32.0.0`
+* `FSM`:
+    * `DefaultStatesMachine` now is extendable
+    * New type `UpdatableStatesMachine` with default realization`DefaultUpdatableStatesMachine`
+
+## 0.8.7
+
+* `Ktor`:
+    * `Client`:
+        * `UnifiedRequester` now have no private fields
+        * Add preview work with multipart
+    * `Server`
+        * `UnifiedRouter` now have no private fields
+        * Add preview work with multipart
+
+## 0.8.6
+
+* `Common`:
+    * `Either` extensions `onFirst` and `onSecond` now accept not `crossinline` callbacks
+    * All `joinTo` now accept not `crossinline` callbacks
+
+## 0.8.5
+
+* `Common`:
+    * `repeatOnFailure`
+
+## 0.8.4
+
+* `Ktor`:
+    * `Server`:
+        * Several new `createKtorServer`
+
+## 0.8.3
+
+* `Common`:
+    * Ranges intersection functionality
+    * New type `Optional`
+* `Pagination`:
+    * `Pagination` now extends `ClosedRange<Int>`
+    * `Pagination` intersection functionality
+
+## 0.8.2
+
+* `Versions`:
+    * `Klock`: `2.4.7` -> `2.4.8`
+    * `Serialization`: `1.3.0` -> `1.3.1`
+* `FSM`:
+    * Now it is possible to pass any `CheckableHandlerHolder` in `FSMBuilder`
+    * Now `StatesMachine` works with `CheckableHandlerHolder` instead of `CustomizableHandlerHolder`
+
+## 0.8.1
+
+* `Versions`:
+    * `Exposed`: `0.36.1` -> `0.36.2`
+    * `Core KTX`: `1.6.0` -> `1.7.0`
+
+## 0.8.0
+
+* `Versions`:
+    * `Klock`: `2.4.6` -> `2.4.7`
+    * `Ktor`: `1.6.4` -> `1.6.5`
+    * `Exposed`: `0.35.3` -> `0.36.1`
+* `Common`:
+    * Type `Either` got its own serializer
+* `FSM`:
+    * `Common`:
+        * Full rework of FSM:
+            * Now it is more flexible for checking of handler opportunity to handle state
+            * Now machine and states managers are type-oriented
+            * `StateHandlerHolder` has been renamed to `CheckableHandlerHolder`
+        * Add opportunity for comfortable adding default state handler
+
+## 0.7.4
+
+* `Common`:
+    * New type `Either`
+* `Serialization`:
+    * `TypedSerializer`
+        * New factory fun which accept vararg pairs of type and its serializer
+* `Repos`:
+    * `Common` (`Android`):
+        * `AbstractMutableAndroidCRUDRepo` flows now will have extra buffer capacity instead of reply. It means that
+          android crud repo _WILL NOT_ send previous events to the 
+    * `Exposed`:
+        * New parameter `AbstractExposedWriteCRUDRepo#replyCacheInFlows`
+        * KeyValue realization `ExposedKeyValueRepo` properties `_onNewValue` and `_onValueRemoved` now are available in
+          inheritors
+* `Pagination`:
+    * `Common`:
+        * New types `getAllBy*` for current, next and custom paging
+
+## 0.7.3
+
+* `Versions`:
+    * `Exposed`: `0.35.2` -> `0.35.3`
+
 ## 0.7.2
 
 * `Versions`:

android/alerts/common/build.gradle

@@ -10,7 +10,7 @@ kotlin {
     sourceSets {
         androidMain {
             dependencies {
-                api "androidx.appcompat:appcompat-resources:$appcompat_version"
+                api libs.android.appCompat.resources
             }
         }
     }

android/recyclerview/build.gradle

@@ -10,13 +10,13 @@ kotlin {
     sourceSets {
         commonMain {
             dependencies {
-                api "org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlin_coroutines_version"
+                api libs.kt.coroutines
                 api project(":micro_utils.common")
             }
         }
         androidMain {
             dependencies {
-                api "androidx.recyclerview:recyclerview:$androidx_recycler_version"
+                api libs.android.recyclerView
             }
         }
     }

build.gradle

@@ -7,12 +7,12 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.3'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath "org.jetbrains.kotlin:kotlin-serialization:$kotlin_version"
-        classpath "com.getkeepsafe.dexcount:dexcount-gradle-plugin:$dexcount_version"
-        classpath "com.github.breadmoirai:github-release:$github_release_plugin_version"
-        classpath "org.jetbrains.dokka:dokka-gradle-plugin:$dokka_version"
+        classpath libs.buildscript.kt.gradle
+        classpath libs.buildscript.kt.serialization
+        classpath libs.buildscript.jb.dokka
+        classpath libs.buildscript.gh.release
+        classpath libs.buildscript.android.gradle
+        classpath libs.buildscript.android.dexcount
     }
 }
 

common/compose/build.gradle

@@ -0,0 +1,18 @@
+plugins {
+    id "org.jetbrains.kotlin.multiplatform"
+    id "org.jetbrains.kotlin.plugin.serialization"
+    id "com.android.library"
+    alias(libs.plugins.jb.compose)
+}
+
+apply from: "$mppProjectWithSerializationAndComposePresetPath"
+
+kotlin {
+    sourceSets {
+        commonMain {
+            dependencies {
+                api project(":micro_utils.common")
+            }
+        }
+    }
+}

common/compose/src/commonMain/kotlin/dev/inmo/micro_utils/common/compose/DefaultDisposableEffectResult.kt

@@ -0,0 +1,16 @@
+package dev.inmo.micro_utils.common.compose
+
+import androidx.compose.runtime.DisposableEffectResult
+
+class DefaultDisposableEffectResult(
+    private val onDispose: () -> Unit
+) : DisposableEffectResult {
+    override fun dispose() {
+        onDispose()
+    }
+
+    companion object {
+        val DoNothing = DefaultDisposableEffectResult {}
+    }
+}
+

common/compose/src/jsMain/kotlin/dev/inmo/micro_utils/common/compose/AttachCompositionToElementRemoving.kt

@@ -0,0 +1,9 @@
+package dev.inmo.micro_utils.common.compose
+
+import androidx.compose.runtime.Composition
+import dev.inmo.micro_utils.common.onRemoved
+import org.w3c.dom.Element
+
+fun Composition.linkWithElement(element: Element) {
+    element.onRemoved { dispose() }
+}

common/compose/src/jsMain/kotlin/dev/inmo/micro_utils/common/compose/OpenLink.kt

@@ -0,0 +1,10 @@
+package dev.inmo.micro_utils.common.compose
+
+import org.jetbrains.compose.web.attributes.ATarget
+
+fun openLink(link: String, mode: ATarget = ATarget.Blank, features: String = "") = dev.inmo.micro_utils.common.openLink(
+    link,
+    mode.targetStr,
+    features
+)
+

common/compose/src/jsMain/kotlin/dev/inmo/micro_utils/common/compose/RenderComposableAndLinkToRoot.kt

@@ -0,0 +1,13 @@
+package dev.inmo.micro_utils.common.compose
+
+import androidx.compose.runtime.*
+import org.jetbrains.compose.web.dom.DOMScope
+import org.w3c.dom.Element
+
+fun <TElement : Element> renderComposableAndLinkToRoot(
+    root: TElement,
+    monotonicFrameClock: MonotonicFrameClock = DefaultMonotonicFrameClock,
+    content: @Composable DOMScope<TElement>.() -> Unit
+): Composition = org.jetbrains.compose.web.renderComposable(root, monotonicFrameClock, content).apply {
+    linkWithElement(root)
+}

common/compose/src/main/AndroidManifest.xml

@@ -0,0 +1 @@
+<manifest package="dev.inmo.micro_utils.common.compose"/>

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

@@ -2,8 +2,6 @@
 
 package dev.inmo.micro_utils.common
 
-import kotlin.jvm.JvmInline
-
 private inline fun <T> getObject(
     additional: MutableList<T>,
     iterator: Iterator<T>
@@ -155,3 +153,22 @@ inline fun <T> StrictDiff(old: Iterable<T>, new: Iterable<T>) = old.calculateDif
 inline fun <T> Iterable<T>.calculateStrictDiff(
     other: Iterable<T>
 ) = calculateDiff(other, strictComparison = true)
+
+/**
+ * This method call [calculateDiff] with strict mode [strictComparison] and then apply differences to [this]
+ * mutable list
+ */
+fun <T> MutableList<T>.applyDiff(
+    source: Iterable<T>,
+    strictComparison: Boolean = false
+) = calculateDiff(source, strictComparison).let {
+    for (i in it.removed.indices.sortedDescending()) {
+        removeAt(it.removed[i].index)
+    }
+    it.added.forEach { (i, t) ->
+        add(i, t)
+    }
+    it.replaced.forEach { (_, new) ->
+        set(new.index, new.value)
+    }
+}

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

@@ -0,0 +1,166 @@
+package dev.inmo.micro_utils.common
+
+import kotlinx.serialization.*
+import kotlinx.serialization.builtins.serializer
+import kotlinx.serialization.descriptors.*
+import kotlinx.serialization.encoding.*
+
+/**
+ * Realization of this interface will contains at least one not null - [optionalT1] or [optionalT2]
+ *
+ * @see EitherFirst
+ * @see EitherSecond
+ * @see Either.Companion.first
+ * @see Either.Companion.second
+ * @see Either.onFirst
+ * @see Either.onSecond
+ * @see Either.mapOnFirst
+ * @see Either.mapOnSecond
+ */
+@Serializable(EitherSerializer::class)
+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)
+    }
+}
+
+class EitherSerializer<T1, T2>(
+    t1Serializer: KSerializer<T1>,
+    t2Serializer: KSerializer<T2>,
+) : KSerializer<Either<T1, T2>> {
+    @OptIn(ExperimentalSerializationApi::class, InternalSerializationApi::class)
+    override val descriptor: SerialDescriptor = buildSerialDescriptor(
+        "TypedSerializer",
+        SerialKind.CONTEXTUAL
+    ) {
+        element("type", String.serializer().descriptor)
+        element("value", ContextualSerializer(Either::class).descriptor)
+    }
+    private val t1EitherSerializer = EitherFirst.serializer(t1Serializer, t2Serializer)
+    private val t2EitherSerializer = EitherSecond.serializer(t1Serializer, t2Serializer)
+
+    override fun deserialize(decoder: Decoder): Either<T1, T2> {
+        return decoder.decodeStructure(descriptor) {
+            var type: String? = null
+            lateinit var result: Either<T1, T2>
+            while (true) {
+                when (val index = decodeElementIndex(descriptor)) {
+                    0 -> type = decodeStringElement(descriptor, 0)
+                    1 -> {
+                        result = when (type) {
+                            "t1" -> decodeSerializableElement(
+                                descriptor,
+                                1,
+                                t1EitherSerializer
+                            )
+                            "t2" -> decodeSerializableElement(
+                                descriptor,
+                                1,
+                                t2EitherSerializer
+                            )
+                            else -> error("Unknown type of either: $type")
+                        }
+                    }
+                    CompositeDecoder.DECODE_DONE -> break
+                    else -> error("Unexpected index: $index")
+                }
+            }
+            result
+        }
+    }
+
+
+    override fun serialize(encoder: Encoder, value: Either<T1, T2>) {
+        encoder.encodeStructure(descriptor) {
+            when (value) {
+                is EitherFirst -> {
+                    encodeStringElement(descriptor, 0, "t1")
+                    encodeSerializableElement(descriptor, 1, t1EitherSerializer, value)
+                }
+                is EitherSecond -> {
+                    encodeStringElement(descriptor, 0, "t2")
+                    encodeSerializableElement(descriptor, 1, t2EitherSerializer, value)
+                }
+            }
+        }
+    }
+}
+
+/**
+ * This type [Either] will always have not nullable [optionalT1]
+ */
+@Serializable
+data class EitherFirst<T1, T2>(
+    override val t1: T1
+) : Either<T1, T2> {
+    override val optionalT1: Optional<T1> = t1.optional
+    override val optionalT2: Optional<T2> = Optional.absent()
+}
+
+/**
+ * This type [Either] will always have not nullable [optionalT2]
+ */
+@Serializable
+data class EitherSecond<T1, T2>(
+    override val t2: T2
+) : Either<T1, T2> {
+    override val optionalT1: Optional<T1> = Optional.absent()
+    override val optionalT2: Optional<T2> = t2.optional
+}
+
+/**
+ * @return New instance of [EitherFirst]
+ */
+inline fun <T1, T2> Either.Companion.first(t1: T1): Either<T1, T2> = EitherFirst(t1)
+/**
+ * @return New instance of [EitherSecond]
+ */
+inline fun <T1, T2> Either.Companion.second(t2: T2): Either<T1, T2> = EitherSecond(t2)
+
+/**
+ * Will call [block] in case when [this] is [EitherFirst]
+ */
+inline fun <T1, T2, E : Either<T1, T2>> E.onFirst(block: (T1) -> Unit): E {
+    optionalT1.onPresented(block)
+    return this
+}
+
+/**
+ * Will call [block] in case when [this] is [EitherSecond]
+ */
+inline fun <T1, T2, E : Either<T1, T2>> E.onSecond(block: (T2) -> Unit): E {
+    optionalT2.onPresented(block)
+    return this
+}
+
+/**
+ * @return Result of [block] if [this] is [EitherFirst]
+ */
+inline fun <T1, R> Either<T1, *>.mapOnFirst(block: (T1) -> R): R? {
+    return optionalT1.mapOnPresented(block)
+}
+
+/**
+ * @return Result of [block] if [this] is [EitherSecond]
+ */
+inline fun <T2, R> Either<*, T2>.mapOnSecond(block: (T2) -> R): R? {
+    return optionalT2.mapOnPresented(block)
+}
+
+inline fun <reified T1, reified T2> Any.either() = when (this) {
+    is T1 -> Either.first<T1, T2>(this)
+    is T2 -> Either.second<T1, T2>(this)
+    else -> error("Incorrect type of either argument $this")
+}

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

@@ -1,10 +1,10 @@
 package dev.inmo.micro_utils.common
 
 inline fun <I, R> Iterable<I>.joinTo(
-    crossinline separatorFun: (I) -> R?,
+    separatorFun: (I) -> R?,
     prefix: R? = null,
     postfix: R? = null,
-    crossinline transform: (I) -> R?
+    transform: (I) -> R?
 ): List<R> {
     val result = mutableListOf<R>()
     val iterator = iterator()
@@ -29,11 +29,11 @@ inline fun <I, R> Iterable<I>.joinTo(
     separator: R? = null,
     prefix: R? = null,
     postfix: R? = null,
-    crossinline transform: (I) -> R?
+    transform: (I) -> R?
 ): List<R> = joinTo({ separator }, prefix, postfix, transform)
 
 inline fun <I> Iterable<I>.joinTo(
-    crossinline separatorFun: (I) -> I?,
+    separatorFun: (I) -> I?,
     prefix: I? = null,
     postfix: I? = null
 ): List<I> = joinTo<I, I>(separatorFun, prefix, postfix) { it }
@@ -45,15 +45,15 @@ inline fun <I> Iterable<I>.joinTo(
 ): List<I> = joinTo<I>({ separator }, prefix, postfix)
 
 inline fun <I, reified R> Array<I>.joinTo(
-    crossinline separatorFun: (I) -> R?,
+    separatorFun: (I) -> R?,
     prefix: R? = null,
     postfix: R? = null,
-    crossinline transform: (I) -> R?
+    transform: (I) -> R?
 ): Array<R> = asIterable().joinTo(separatorFun, prefix, postfix, transform).toTypedArray()
 
 inline fun <I, reified R> Array<I>.joinTo(
     separator: R? = null,
     prefix: R? = null,
     postfix: R? = null,
-    crossinline transform: (I) -> R?
+    transform: (I) -> R?
 ): Array<R> = asIterable().joinTo(separator, prefix, postfix, transform).toTypedArray()

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

@@ -23,11 +23,12 @@ value class FileName(val string: String) {
 }
 
 
-@PreviewFeature
 expect class MPPFile
 
 expect val MPPFile.filename: FileName
 expect val MPPFile.filesize: Long
+expect val MPPFile.bytesAllocatorSync: ByteArrayAllocator
 expect val MPPFile.bytesAllocator: SuspendByteArrayAllocator
+fun MPPFile.bytesSync() = bytesAllocatorSync()
 suspend fun MPPFile.bytes() = bytesAllocator()
 

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

@@ -0,0 +1,92 @@
+@file:Suppress("unused")
+
+package dev.inmo.micro_utils.common
+
+import kotlinx.serialization.Serializable
+
+/**
+ * This type represents [T] as not only potentially nullable data, but also as a data which can not be presented. This
+ * type will be useful in cases when [T] is nullable and null as valuable data too in time of data absence should be
+ * presented by some third type.
+ *
+ * Let's imagine, you have nullable name in some database. In case when name is not nullable everything is clear - null
+ * will represent absence of row in the database. In case when name is nullable null will be a little bit dual-meaning,
+ * cause this null will say nothing about availability of the row (of course, it is exaggerated example)
+ *
+ * @see Optional.presented
+ * @see Optional.absent
+ * @see Optional.optional
+ * @see Optional.onPresented
+ * @see Optional.onAbsent
+ */
+@Serializable
+data class Optional<T> internal constructor(
+    @Warning("It is unsafe to use this data directly")
+    val data: T?,
+    @Warning("It is unsafe to use this data directly")
+    val dataPresented: Boolean
+) {
+    companion object {
+        /**
+         * Will create [Optional] with presented data
+         */
+        fun <T> presented(data: T) = Optional(data, true)
+        /**
+         * Will create [Optional] without data
+         */
+        fun <T> absent() = Optional<T>(null, false)
+    }
+}
+
+inline val <T> T.optional
+    get() = Optional.presented(this)
+
+/**
+ * Will call [block] when data presented ([Optional.dataPresented] == true)
+ */
+inline fun <T> Optional<T>.onPresented(block: (T) -> Unit): Optional<T> = apply {
+    if (dataPresented) { @Suppress("UNCHECKED_CAST") block(data as T) }
+}
+
+/**
+ * Will call [block] when data presented ([Optional.dataPresented] == true)
+ */
+inline fun <T, R> Optional<T>.mapOnPresented(block: (T) -> R): R? = run {
+    if (dataPresented) { @Suppress("UNCHECKED_CAST") block(data as T) } else null
+}
+
+/**
+ * Will call [block] when data absent ([Optional.dataPresented] == false)
+ */
+inline fun <T> Optional<T>.onAbsent(block: () -> Unit): Optional<T> = apply {
+    if (!dataPresented) { block() }
+}
+
+/**
+ * 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
+}
+
+/**
+ * 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
+
+/**
+ * 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
+
+
+/**
+ * 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()

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

@@ -0,0 +1,19 @@
+package dev.inmo.micro_utils.common
+
+fun <T : Comparable<T>> ClosedRange<T>.intersect(other: ClosedRange<T>): Pair<T, T>? = when {
+    start == other.start && endInclusive == other.endInclusive -> start to endInclusive
+    start > other.endInclusive || other.start > endInclusive -> null
+    else -> maxOf(start, other.start) to minOf(endInclusive, other.endInclusive)
+}
+
+fun IntRange.intersect(
+    other: IntRange
+): IntRange? = (this as ClosedRange<Int>).intersect(other as ClosedRange<Int>) ?.let {
+    it.first .. it.second
+}
+
+fun LongRange.intersect(
+    other: LongRange
+): LongRange? = (this as ClosedRange<Long>).intersect(other as ClosedRange<Long>) ?.let {
+    it.first .. it.second
+}

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

@@ -0,0 +1,21 @@
+package dev.inmo.micro_utils.common
+
+/**
+ * Executes the given [action] until getting of successful result specified number of [times].
+ *
+ * A zero-based index of current iteration is passed as a parameter to [action].
+ */
+inline fun <R> repeatOnFailure(
+    times: Int,
+    onEachFailure: (Throwable) -> Unit = {},
+    action: (Int) -> R
+): Optional<R> {
+    repeat(times) {
+        runCatching {
+            action(it)
+        }.onFailure(onEachFailure).onSuccess {
+            return Optional.presented(it)
+        }
+    }
+    return Optional.absent()
+}

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

@@ -54,7 +54,7 @@ class DiffUtilsTests {
         val oldList = (0 until 10).map { it.toString() }
         val withIndex = oldList.withIndex()
 
-        for (step in 0 until oldList.size) {
+        for (step in oldList.indices) {
             for ((i, v) in withIndex) {
                 val mutable = oldList.toMutableList()
                 val changes = (
@@ -73,4 +73,78 @@ class DiffUtilsTests {
             }
         }
     }
+
+    @Test
+    fun testThatSimpleRemoveApplyWorks() {
+        val oldList = (0 until 10).toList()
+        val withIndex = oldList.withIndex()
+
+        for (count in 1 .. (floor(oldList.size.toFloat() / 2).toInt())) {
+            for ((i, _) in withIndex) {
+                if (i + count > oldList.lastIndex) {
+                    continue
+                }
+                val removedSublist = oldList.subList(i, i + count)
+                val mutableOldList = oldList.toMutableList()
+                val targetList = oldList - removedSublist
+
+                mutableOldList.applyDiff(targetList)
+
+                assertEquals(
+                    targetList,
+                    mutableOldList
+                )
+            }
+        }
+    }
+
+    @Test
+    fun testThatSimpleAddApplyWorks() {
+        val oldList = (0 until 10).map { it.toString() }
+        val withIndex = oldList.withIndex()
+
+        for (count in 1 .. (floor(oldList.size.toFloat() / 2).toInt())) {
+            for ((i, v) in withIndex) {
+                if (i + count > oldList.lastIndex) {
+                    continue
+                }
+                val addedSublist = oldList.subList(i, i + count).map { "added$it" }
+                val mutable = oldList.toMutableList()
+                mutable.addAll(i, addedSublist)
+                val mutableOldList = oldList.toMutableList()
+
+                mutableOldList.applyDiff(mutable)
+
+                assertEquals(
+                    mutable,
+                    mutableOldList
+                )
+            }
+        }
+    }
+
+    @Test
+    fun testThatSimpleChangesApplyWorks() {
+        val oldList = (0 until 10).map { it.toString() }
+        val withIndex = oldList.withIndex()
+
+        for (step in oldList.indices) {
+            for ((i, v) in withIndex) {
+                val mutable = oldList.toMutableList()
+                val changes = (
+                    if (step == 0) i until oldList.size else (i until oldList.size step step)
+                ).map { index ->
+                    IndexedValue(index, mutable[index]) to IndexedValue(index, "changed$index").also {
+                        mutable[index] = it.value
+                    }
+                }
+                val mutableOldList = oldList.toMutableList()
+                mutableOldList.applyDiff(mutable)
+                assertEquals(
+                    mutable,
+                    mutableOldList
+                )
+            }
+        }
+    }
 }

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

@@ -0,0 +1,61 @@
+package dev.inmo.micro_utils.common
+
+import kotlinx.browser.document
+import org.w3c.dom.*
+
+fun Node.onRemoved(block: () -> Unit): MutationObserver {
+    lateinit var observer: MutationObserver
+
+    observer = MutationObserver { _, _ ->
+        fun checkIfRemoved(node: Node): Boolean {
+            return node.parentNode != document && (node.parentNode ?.let { checkIfRemoved(it) } ?: true)
+        }
+
+        if (checkIfRemoved(this)) {
+            observer.disconnect()
+            block()
+        }
+    }
+
+    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/IntersectionObserver.kt

@@ -0,0 +1,124 @@
+package dev.inmo.micro_utils.common
+
+import org.w3c.dom.DOMRectReadOnly
+import org.w3c.dom.Element
+
+external interface IntersectionObserverOptions {
+    /**
+     * An Element or Document object which is an ancestor of the intended target, whose bounding rectangle will be
+     * considered the viewport. Any part of the target not visible in the visible area of the root is not considered
+     * visible.
+     */
+    var root: Element?
+
+    /**
+     * A string which specifies a set of offsets to add to the root's bounding_box when calculating intersections,
+     * effectively shrinking or growing the root for calculation purposes. The syntax is approximately the same as that
+     * for the CSS margin property; see The root element and root margin in Intersection Observer API for more
+     * information on how the margin works and the syntax. The default is "0px 0px 0px 0px".
+     */
+    var rootMargin: String?
+
+    /**
+     * Either a single number or an array of numbers between 0.0 and 1.0, specifying a ratio of intersection area to
+     * total bounding box area for the observed target. A value of 0.0 means that even a single visible pixel counts as
+     * the target being visible. 1.0 means that the entire target element is visible. See Thresholds in Intersection
+     * Observer API for a more in-depth description of how thresholds are used. The default is a threshold of 0.0.
+     */
+    var threshold: Array<Number>?
+}
+fun IntersectionObserverOptions(
+    block: IntersectionObserverOptions.() -> Unit = {}
+): IntersectionObserverOptions = js("{}").unsafeCast<IntersectionObserverOptions>().apply(block)
+
+external interface IntersectionObserverEntry {
+    /**
+     * Returns the bounds rectangle of the target element as a DOMRectReadOnly. The bounds are computed as described in
+     * the documentation for Element.getBoundingClientRect().
+     */
+    val boundingClientRect: DOMRectReadOnly
+
+    /**
+     * Returns the ratio of the intersectionRect to the boundingClientRect.
+     */
+    val intersectionRatio: Number
+
+    /**
+     * Returns a DOMRectReadOnly representing the target's visible area.
+     */
+    val intersectionRect: DOMRectReadOnly
+
+    /**
+     * A Boolean value which is true if the target element intersects with the intersection observer's root. If this is
+     * true, then, the IntersectionObserverEntry describes a transition into a state of intersection; if it's false,
+     * then you know the transition is from intersecting to not-intersecting.
+     */
+    val isIntersecting: Boolean
+
+    /**
+     * Returns a DOMRectReadOnly for the intersection observer's root.
+     */
+    val rootBounds: DOMRectReadOnly
+
+    /**
+     * The Element whose intersection with the root changed.
+     */
+    val target: Element
+
+    /**
+     * A DOMHighResTimeStamp indicating the time at which the intersection was recorded, relative to the
+     * IntersectionObserver's time origin.
+     */
+    val time: Double
+}
+
+typealias IntersectionObserverCallback = (entries: Array<IntersectionObserverEntry>, observer: IntersectionObserver) -> Unit
+
+/**
+ * This is just an implementation from [this commentary](https://youtrack.jetbrains.com/issue/KT-43157#focus=Comments-27-4498582.0-0)
+ * of Kotlin JS issue related to the absence of [Intersection Observer API](https://developer.mozilla.org/en-US/docs/Web/API/IntersectionObserver)
+ */
+external class IntersectionObserver(callback: IntersectionObserverCallback) {
+    constructor(callback: IntersectionObserverCallback, options: IntersectionObserverOptions)
+
+    /**
+     * The Element or Document whose bounds are used as the bounding box when testing for intersection. If no root value
+     * was passed to the constructor or its value is null, the top-level document's viewport is used.
+     */
+    val root: Element
+
+    /**
+     * An offset rectangle applied to the root's bounding box when calculating intersections, effectively shrinking or
+     * growing the root for calculation purposes. The value returned by this property may not be the same as the one
+     * specified when calling the constructor as it may be changed to match internal requirements. Each offset can be
+     * expressed in pixels (px) or as a percentage (%). The default is "0px 0px 0px 0px".
+     */
+    val rootMargin: String
+
+    /**
+     * A list of thresholds, sorted in increasing numeric order, where each threshold is a ratio of intersection area to
+     * bounding box area of an observed target. Notifications for a target are generated when any of the thresholds are
+     * crossed for that target. If no value was passed to the constructor, 0 is used.
+     */
+    val thresholds: Array<Number>
+
+    /**
+     * Stops the IntersectionObserver object from observing any target.
+     */
+    fun disconnect()
+
+    /**
+     * Tells the IntersectionObserver a target element to observe.
+     */
+    fun observe(targetElement: Element)
+
+    /**
+     * Returns an array of IntersectionObserverEntry objects for all observed targets.
+     */
+    fun takeRecords(): Array<IntersectionObserverEntry>
+
+    /**
+     * Tells the IntersectionObserver to stop observing a particular target element.
+     */
+    fun unobserve(targetElement: Element)
+}

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

@@ -2,10 +2,12 @@ package dev.inmo.micro_utils.common
 
 import org.khronos.webgl.ArrayBuffer
 import org.w3c.dom.ErrorEvent
-import org.w3c.files.File
-import org.w3c.files.FileReader
+import org.w3c.files.*
 import kotlin.js.Promise
 
+/**
+ * @suppress
+ */
 actual typealias MPPFile = File
 
 fun MPPFile.readBytesPromise() = Promise<ByteArray> { success, failure ->
@@ -21,12 +23,32 @@ fun MPPFile.readBytesPromise() = Promise<ByteArray> { success, failure ->
     reader.readAsArrayBuffer(this)
 }
 
+fun MPPFile.readBytes(): ByteArray {
+    val reader = FileReaderSync()
+    return reader.readAsArrayBuffer(this).toByteArray()
+}
+
 private suspend fun MPPFile.dirtyReadBytes(): ByteArray = readBytesPromise().await()
 
+/**
+ * @suppress
+ */
 actual val MPPFile.filename: FileName
     get() = FileName(name)
+/**
+ * @suppress
+ */
 actual val MPPFile.filesize: Long
     get() = size.toLong()
+/**
+ * @suppress
+ */
+@Warning("That is not optimized version of bytes allocator. Use asyncBytesAllocator everywhere you can")
+actual val MPPFile.bytesAllocatorSync: ByteArrayAllocator
+    get() = ::readBytes
+/**
+ * @suppress
+ */
 @Warning("That is not optimized version of bytes allocator. Use asyncBytesAllocator everywhere you can")
 actual val MPPFile.bytesAllocator: SuspendByteArrayAllocator
     get() = ::dirtyReadBytes

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/OpenLink.kt

@@ -0,0 +1,8 @@
+package dev.inmo.micro_utils.common
+
+import kotlinx.browser.window
+
+fun openLink(link: String, target: String = "_blank", features: String = "") {
+    window.open(link, target, features) ?.focus()
+}
+

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

@@ -0,0 +1,30 @@
+package dev.inmo.micro_utils.common
+
+import kotlinx.browser.document
+import kotlinx.dom.createElement
+import org.w3c.dom.HTMLElement
+import org.w3c.dom.HTMLInputElement
+import org.w3c.files.get
+
+fun selectFile(
+    inputSetup: (HTMLInputElement) -> Unit = {},
+    onFailure: (Throwable) -> Unit = {},
+    onFile: (MPPFile) -> Unit
+) {
+    (document.createElement("input") {
+        (this as HTMLInputElement).apply {
+            type = "file"
+            onchange = {
+                runCatching {
+                    files ?.get(0) ?: error("File must not be null")
+                }.onSuccess {
+                    onFile(it)
+                }.onFailure {
+                    onFailure(it)
+                }
+            }
+            inputSetup(this)
+        }
+    } as HTMLElement).click()
+}
+

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

@@ -0,0 +1,14 @@
+package dev.inmo.micro_utils.common
+
+import kotlinx.browser.document
+import org.w3c.dom.HTMLAnchorElement
+
+fun triggerDownloadFile(filename: String, fileLink: String) {
+    val hiddenElement = document.createElement("a") as HTMLAnchorElement
+
+    hiddenElement.href = fileLink
+    hiddenElement.target = "_blank"
+    hiddenElement.download = filename
+    hiddenElement.click()
+}
+

common/src/jvmMain/kotlin/dev/inmo/micro_utils/common/JVMMPPFile.kt

@@ -4,12 +4,29 @@ import dev.inmo.micro_utils.coroutines.doInIO
 import dev.inmo.micro_utils.coroutines.doOutsideOfCoroutine
 import java.io.File
 
+/**
+ * @suppress
+ */
 actual typealias MPPFile = File
 
+/**
+ * @suppress
+ */
 actual val MPPFile.filename: FileName
     get() = FileName(name)
+/**
+ * @suppress
+ */
 actual val MPPFile.filesize: Long
     get() = length()
+/**
+ * @suppress
+ */
+actual val MPPFile.bytesAllocatorSync: ByteArrayAllocator
+    get() = ::readBytes
+/**
+ * @suppress
+ */
 actual val MPPFile.bytesAllocator: SuspendByteArrayAllocator
     get() = {
         doInIO {

coroutines/build.gradle

@@ -10,12 +10,17 @@ kotlin {
     sourceSets {
         commonMain {
             dependencies {
-                api "org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlin_coroutines_version"
+                api libs.kt.coroutines
+            }
+        }
+        jsMain {
+            dependencies {
+                api project(":micro_utils.common")
             }
         }
         androidMain {
             dependencies {
-                api "org.jetbrains.kotlinx:kotlinx-coroutines-android:$kotlin_coroutines_version"
+                api libs.kt.coroutines.android
             }
         }
     }

coroutines/compose/build.gradle

@@ -0,0 +1,20 @@
+plugins {
+    id "org.jetbrains.kotlin.multiplatform"
+    id "org.jetbrains.kotlin.plugin.serialization"
+    id "com.android.library"
+    alias(libs.plugins.jb.compose)
+}
+
+apply from: "$mppProjectWithSerializationAndComposePresetPath"
+
+kotlin {
+    sourceSets {
+        commonMain {
+            dependencies {
+                api libs.kt.coroutines
+                api project(":micro_utils.coroutines")
+                api project(":micro_utils.common.compose")
+            }
+        }
+    }
+}

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

@@ -0,0 +1,22 @@
+package dev.inmo.micro_utils.coroutines.compose
+
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.mutableStateOf
+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>.toMutableState(
+    initial: T,
+    scope: CoroutineScope
+): MutableState<T> {
+    val state = mutableStateOf(initial)
+    subscribeSafelyWithoutExceptions(scope) { state.value = it }
+    return state
+}
+
+inline fun <T> StateFlow<T>.toMutableState(
+    scope: CoroutineScope
+): MutableState<T> = toMutableState(value, scope)
+

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

@@ -0,0 +1,14 @@
+package dev.inmo.micro_utils.coroutines.compose
+
+import androidx.compose.runtime.*
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.job
+import kotlin.coroutines.CoroutineContext
+
+fun Composition.linkWithJob(job: Job) {
+    job.invokeOnCompletion {
+        this@linkWithJob.dispose()
+    }
+}
+
+fun Composition.linkWithContext(coroutineContext: CoroutineContext) = linkWithJob(coroutineContext.job)

coroutines/compose/src/jsMain/kotlin/dev/inmo/micro_utils/coroutines/compose/RenderComposableWithLinkToContext.kt

@@ -0,0 +1,26 @@
+package dev.inmo.micro_utils.coroutines.compose
+
+import androidx.compose.runtime.*
+import dev.inmo.micro_utils.common.compose.linkWithElement
+import kotlinx.coroutines.*
+import org.jetbrains.compose.web.dom.DOMScope
+import org.w3c.dom.Element
+
+suspend fun <TElement : Element> renderComposableAndLinkToContext(
+    root: TElement,
+    monotonicFrameClock: MonotonicFrameClock = DefaultMonotonicFrameClock,
+    content: @Composable DOMScope<TElement>.() -> Unit
+): Composition = org.jetbrains.compose.web.renderComposable(root, monotonicFrameClock, content).apply {
+    linkWithContext(
+        currentCoroutineContext()
+    )
+}
+
+suspend fun <TElement : Element> renderComposableAndLinkToContextAndRoot(
+    root: TElement,
+    monotonicFrameClock: MonotonicFrameClock = DefaultMonotonicFrameClock,
+    content: @Composable DOMScope<TElement>.() -> Unit
+): Composition = org.jetbrains.compose.web.renderComposable(root, monotonicFrameClock, content).apply {
+    linkWithContext(currentCoroutineContext())
+    linkWithElement(root)
+}

coroutines/compose/src/main/AndroidManifest.xml

@@ -0,0 +1 @@
+<manifest package="dev.inmo.micro_utils.coroutines.compose"/>

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()
+    }
+}

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

@@ -0,0 +1,42 @@
+package dev.inmo.micro_utils.coroutines
+
+import dev.inmo.micro_utils.common.MPPFile
+import dev.inmo.micro_utils.common.selectFile
+import kotlinx.coroutines.CompletableDeferred
+import org.w3c.dom.HTMLInputElement
+
+suspend fun selectFileOrThrow(
+    inputSetup: (HTMLInputElement) -> Unit = {}
+): MPPFile {
+    val result = CompletableDeferred<MPPFile>()
+
+    selectFile(
+        inputSetup,
+        {
+            result.completeExceptionally(it)
+        }
+    ) {
+        result.complete(it)
+    }
+
+    return result.await()
+}
+
+suspend fun selectFileOrNull(
+    inputSetup: (HTMLInputElement) -> Unit = {},
+    onFailure: (Throwable) -> Unit = {}
+): MPPFile? {
+    val result = CompletableDeferred<MPPFile?>()
+
+    selectFile(
+        inputSetup,
+        {
+            result.complete(null)
+            onFailure(it)
+        }
+    ) {
+        result.complete(it)
+    }
+
+    return result.await()
+}

crypto/src/jsMain/kotlin/dev/inmo/micro_utils/crypto/MD5Realization.kt

@@ -1,3 +1,6 @@
 package dev.inmo.micro_utils.crypto
 
+/**
+ * @suppress
+ */
 actual fun SourceBytes.md5(): MD5 = CryptoJS.MD5(decodeToString())

crypto/src/jvmMain/kotlin/dev/inmo/micro_utils/crypto/MD5Realization.kt

@@ -3,6 +3,9 @@ package dev.inmo.micro_utils.crypto
 import java.math.BigInteger
 import java.security.MessageDigest
 
+/**
+ * @suppress
+ */
 actual fun SourceBytes.md5(): MD5 = BigInteger(
     1,
     MessageDigest.getInstance("MD5").digest(this)

defaultAndroidSettings.gradle

@@ -26,12 +26,12 @@ ext {
 }
 
 android {
-    compileSdkVersion "$android_compileSdkVersion".toInteger()
-    buildToolsVersion "$android_buildToolsVersion"
+    compileSdkVersion libs.versions.android.props.compileSdk.get().toInteger()
+    buildToolsVersion libs.versions.android.props.buildTools.get()
 
     defaultConfig {
-        minSdkVersion "$android_minSdkVersion".toInteger()
-        targetSdkVersion "$android_compileSdkVersion".toInteger()
+        minSdkVersion libs.versions.android.props.minSdk.get().toInteger()
+        targetSdkVersion libs.versions.android.props.compileSdk.get().toInteger()
         versionCode "${android_code_version}".toInteger()
         versionName "$version"
     }

dokka/build.gradle

@@ -13,10 +13,10 @@ repositories {
 
 kotlin {
     jvm()
-    js(IR) {
-        browser()
-        nodejs()
-    }
+//    js(IR) {
+//        browser()
+//        nodejs()
+//    }
     android {}
 
     sourceSets {
@@ -29,7 +29,7 @@ kotlin {
                         it != project
                         && it.hasProperty("kotlin")
                         && it.kotlin.sourceSets.any { it.name.contains("commonMain") }
-                        && it.kotlin.sourceSets.any { it.name.contains("jsMain") }
+//                        && it.kotlin.sourceSets.any { it.name.contains("jsMain") }
                         && it.kotlin.sourceSets.any { it.name.contains("jvmMain") }
                         && it.kotlin.sourceSets.any { it.name.contains("androidMain") }
                     ) {
@@ -38,22 +38,22 @@ kotlin {
                 }
             }
         }
-        jsMain {
-            dependencies {
-                implementation kotlin('stdlib')
+//        jsMain {
+//            dependencies {
+//                implementation kotlin('stdlib')
 
-                project.parent.subprojects.forEach {
-                    if (
-                        it != project
-                        && it.hasProperty("kotlin")
-                        && it.kotlin.sourceSets.any { it.name.contains("commonMain") }
-                        && it.kotlin.sourceSets.any { it.name.contains("jsMain") }
-                    ) {
-                        api it
-                    }
-                }
-            }
-        }
+//                project.parent.subprojects.forEach {
+//                    if (
+//                        it != project
+//                        && it.hasProperty("kotlin")
+//                        && it.kotlin.sourceSets.any { it.name.contains("commonMain") }
+//                        && it.kotlin.sourceSets.any { it.name.contains("jsMain") }
+//                    ) {
+//                        api it
+//                    }
+//                }
+//            }
+//        }
         jvmMain {
             dependencies {
                 implementation kotlin('stdlib')
@@ -116,9 +116,9 @@ tasks.dokkaHtml {
             sourceRoots.setFrom(findSourcesWithName("commonMain"))
         }
 
-        named("jsMain") {
-            sourceRoots.setFrom(findSourcesWithName("jsMain", "commonMain"))
-        }
+//        named("jsMain") {
+//            sourceRoots.setFrom(findSourcesWithName("jsMain", "commonMain"))
+//        }
 
         named("jvmMain") {
             sourceRoots.setFrom(findSourcesWithName("jvmMain", "commonMain"))

extensions.gradle

@@ -21,6 +21,7 @@ allprojects {
         releaseMode = (project.hasProperty('RELEASE_MODE') && project.property('RELEASE_MODE') == "true") || System.getenv('RELEASE_MODE') == "true"
 
         mppProjectWithSerializationPresetPath = "${rootProject.projectDir.absolutePath}/mppProjectWithSerialization.gradle"
+        mppProjectWithSerializationAndComposePresetPath = "${rootProject.projectDir.absolutePath}/mppProjectWithSerializationAndCompose.gradle"
         mppJavaProjectPresetPath = "${rootProject.projectDir.absolutePath}/mppJavaProject.gradle"
         mppAndroidProjectPresetPath = "${rootProject.projectDir.absolutePath}/mppAndroidProject.gradle"
 

fsm/common/build.gradle

@@ -10,6 +10,7 @@ kotlin {
     sourceSets {
         commonMain {
             dependencies {
+                api project(":micro_utils.common")
                 api project(":micro_utils.coroutines")
             }
         }

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

@@ -0,0 +1,81 @@
+package dev.inmo.micro_utils.fsm.common
+
+import kotlin.reflect.KClass
+
+/**
+ * Define checkable holder which can be used to precheck that this handler may handle incoming [State]
+ */
+interface CheckableHandlerHolder<I : State, O : State> : StatesHandler<I, O> {
+    suspend fun checkHandleable(state: O): Boolean
+}
+
+/**
+ * Default realization of [StatesHandler]. It will incapsulate checking of [State] type in [checkHandleable] and class
+ * casting in [handleState]
+ */
+class CustomizableHandlerHolder<I : O, O : State>(
+    private val delegateTo: StatesHandler<I, O>,
+    private val filter: suspend (state: O) -> Boolean
+) : CheckableHandlerHolder<I, O> {
+    /**
+     * Checks that [state] can be handled by [delegateTo]. Under the hood it will check exact equality of [state]
+     * [KClass] and use [KClass.isInstance] of [inputKlass] if [strict] == false
+     */
+    override suspend fun checkHandleable(state: O) = filter(state)
+
+    /**
+     * Calls [delegateTo] method [StatesHandler.handleState] with [state] casted to [I]. Use [checkHandleable]
+     * to be sure that this [StatesHandlerHolder] will be able to handle [state]
+     */
+    override suspend fun StatesMachine<in O>.handleState(state: I): O? {
+        return delegateTo.run { handleState(state) }
+    }
+}
+
+fun <I : O, O : State> CheckableHandlerHolder(
+    inputKlass: KClass<I>,
+    strict: Boolean = false,
+    delegateTo: StatesHandler<I, O>
+) = CustomizableHandlerHolder(
+    StatesHandler<O, O> {
+        delegateTo.run { handleState(it as I) }
+    },
+    if (strict) {
+        { it::class == inputKlass }
+    } else {
+        { inputKlass.isInstance(it) }
+    }
+)
+
+@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>(
+    I::class,
+    strict,
+    this
+)
+
+inline fun <I : O, O: State> StatesHandler<I, O>.holder(
+    noinline filter: suspend (state: State) -> Boolean
+) = CustomizableHandlerHolder<O, O>(
+    { this@holder.run { handleState(it as I) } },
+    filter
+)

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

@@ -1,6 +0,0 @@
-package dev.inmo.micro_utils.fsm.common
-
-import dev.inmo.micro_utils.fsm.common.managers.InMemoryStatesManager
-
-@Deprecated("Replaced", ReplaceWith("InMemoryStatesManager", "dev.inmo.micro_utils.fsm.common.managers.InMemoryStatesManager"))
-typealias InMemoryStatesManager = InMemoryStatesManager

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

@@ -1,27 +0,0 @@
-package dev.inmo.micro_utils.fsm.common
-
-import kotlin.reflect.KClass
-
-/**
- * Default realization of [StatesHandler]. It will incapsulate checking of [State] type in [checkHandleable] and class
- * casting in [handleState]
- */
-class StateHandlerHolder<I : State>(
-    private val inputKlass: KClass<I>,
-    private val strict: Boolean = false,
-    private val delegateTo: StatesHandler<I>
-) : StatesHandler<State> {
-    /**
-     * Checks that [state] can be handled by [delegateTo]. Under the hood it will check exact equality of [state]
-     * [KClass] and use [KClass.isInstance] of [inputKlass] if [strict] == false
-     */
-    fun checkHandleable(state: State) = state::class == inputKlass || (!strict && inputKlass.isInstance(state))
-
-    /**
-     * Calls [delegateTo] method [StatesHandler.handleState] with [state] casted to [I]. Use [checkHandleable]
-     * to be sure that this [StateHandlerHolder] will be able to handle [state]
-     */
-    override suspend fun StatesMachine.handleState(state: State): State? {
-        return delegateTo.run { handleState(state as I) }
-    }
-}

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

@@ -3,10 +3,10 @@ package dev.inmo.micro_utils.fsm.common
 /**
  * Default realization of states handler
  */
-fun interface StatesHandler<I : State> {
+fun interface StatesHandler<I : State, O: State> {
     /**
      * Main handling of [state]. In case when this [state] leads to another [State] and [handleState] returns not null
      * [State] it is assumed that chain is not completed.
      */
-    suspend fun StatesMachine.handleState(state: I): State?
+    suspend fun StatesMachine<in O>.handleState(state: I): O?
 }

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

@@ -1,24 +1,27 @@
 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 kotlinx.coroutines.*
-import kotlinx.coroutines.flow.asFlow
-
-private suspend fun <I : State> StatesMachine.launchStateHandling(
-    state: State,
-    handlers: List<StateHandlerHolder<out I>>
-): State? {
-    return handlers.firstOrNull { it.checkHandleable(state) } ?.run {
-        handleState(state)
-    }
-}
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
 
 /**
  * Default [StatesMachine] may [startChain] and use inside logic for handling [State]s. By default you may use
  * [DefaultStatesMachine] or build it with [dev.inmo.micro_utils.fsm.common.dsl.buildFSM]. Implementers MUST NOT start
  * handling until [start] method will be called
  */
-interface StatesMachine : StatesHandler<State> {
+interface StatesMachine<T : State> : StatesHandler<T, T> {
+    suspend fun launchStateHandling(
+        state: T,
+        handlers: List<CheckableHandlerHolder<in T, T>>
+    ): T? {
+        return handlers.firstOrNull { it.checkHandleable(state) } ?.run {
+            handleState(state)
+        }
+    }
+
     /**
      * Starts handling of [State]s
      */
@@ -27,31 +30,67 @@ interface StatesMachine : StatesHandler<State> {
     /**
      * Start chain of [State]s witn [state]
      */
-    suspend fun startChain(state: State)
+    suspend fun startChain(state: T)
 
     companion object {
         /**
          * Creates [DefaultStatesMachine]
          */
-        operator fun invoke(
-            statesManager: StatesManager,
-            handlers: List<StateHandlerHolder<*>>
+        operator fun <T: State> invoke(
+            statesManager: StatesManager<T>,
+            handlers: List<CheckableHandlerHolder<in T, T>>
         ) = DefaultStatesMachine(statesManager, handlers)
     }
 }
 
 /**
  * Default realization of [StatesMachine]. It uses [statesManager] for incapsulation of [State]s storing and contexts
- * resolving, and uses [launchStateHandling] for [State] handling
+ * resolving, and uses [launchStateHandling] for [State] handling.
+ *
+ * This class suppose to be extended in case you wish some custom behaviour inside of [launchStateHandling], for example
  */
-class DefaultStatesMachine (
-    private val statesManager: StatesManager,
-    private val handlers: List<StateHandlerHolder<*>>
-) : StatesMachine {
+open class DefaultStatesMachine <T: State>(
+    protected val statesManager: StatesManager<T>,
+    protected val handlers: List<CheckableHandlerHolder<in T, T>>,
+) : StatesMachine<T> {
     /**
      * Will call [launchStateHandling] for state handling
      */
-    override suspend fun StatesMachine.handleState(state: State): State? = launchStateHandling(state, handlers)
+    override suspend fun StatesMachine<in T>.handleState(state: T): T? = launchStateHandling(state, handlers)
+
+    /**
+     * This
+     */
+    protected val statesJobs = mutableMapOf<T, Job>()
+    protected val statesJobsMutex = Mutex()
+
+    protected open suspend fun performUpdate(state: T) {
+        val newState = launchStateHandling(state, handlers)
+        if (newState != null) {
+            statesManager.update(state, newState)
+        } else {
+            statesManager.endChain(state)
+        }
+    }
+
+    open suspend fun performStateUpdate(previousState: Optional<T>, actualState: T, scope: CoroutineScope) {
+        statesJobsMutex.withLock {
+            statesJobs[actualState] ?.cancel()
+            statesJobs[actualState] = scope.launch {
+                performUpdate(actualState)
+            }.also { job ->
+                job.invokeOnCompletion { _ ->
+                    scope.launch {
+                        statesJobsMutex.withLock {
+                            if (statesJobs[actualState] == job) {
+                                statesJobs.remove(actualState)
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
 
     /**
      * Launch handling of states. On [statesManager] [StatesManager.onStartChain],
@@ -60,30 +99,32 @@ class DefaultStatesMachine (
      * [StatesManager.endChain].
      */
     override fun start(scope: CoroutineScope): Job = scope.launchSafelyWithoutExceptions {
-        val statePerformer: suspend (State) -> Unit = { state: State ->
-            val newState = launchStateHandling(state, handlers)
-            if (newState != null) {
-                statesManager.update(state, newState)
-            } else {
-                statesManager.endChain(state)
-            }
-        }
         statesManager.onStartChain.subscribeSafelyWithoutExceptions(this) {
-            launch { statePerformer(it) }
+            launch { performStateUpdate(Optional.absent(), it, scope.LinkedSupervisorScope()) }
         }
         statesManager.onChainStateUpdated.subscribeSafelyWithoutExceptions(this) {
-            launch { statePerformer(it.second) }
+            launch { performStateUpdate(Optional.presented(it.first), it.second, scope.LinkedSupervisorScope()) }
+        }
+        statesManager.onEndChain.subscribeSafelyWithoutExceptions(this) { removedState ->
+            launch {
+                statesJobsMutex.withLock {
+                    val stateInMap = statesJobs.keys.firstOrNull { stateInMap -> stateInMap == removedState }
+                    if (stateInMap === removedState) {
+                        statesJobs[stateInMap] ?.cancel()
+                    }
+                }
+            }
         }
 
         statesManager.getActiveStates().forEach {
-            launch { statePerformer(it) }
+            launch { performStateUpdate(Optional.absent(), it, scope.LinkedSupervisorScope()) }
         }
     }
 
     /**
      * Just calls [StatesManager.startChain] of [statesManager]
      */
-    override suspend fun startChain(state: State) {
+    override suspend fun startChain(state: T) {
         statesManager.startChain(state)
     }
 }

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

@@ -1,30 +1,30 @@
 package dev.inmo.micro_utils.fsm.common
 
-import kotlinx.coroutines.flow.*
+import kotlinx.coroutines.flow.Flow
 
-interface StatesManager {
-    val onChainStateUpdated: Flow<Pair<State, State>>
-    val onStartChain: Flow<State>
-    val onEndChain: Flow<State>
+interface StatesManager<T : State> {
+    val onChainStateUpdated: Flow<Pair<T, T>>
+    val onStartChain: Flow<T>
+    val onEndChain: Flow<T>
 
 
     /**
      * Must set current set using [State.context]
      */
-    suspend fun update(old: State, new: State)
+    suspend fun update(old: T, new: T)
 
     /**
      * Starts chain with [state] as first [State]. May returns false in case of [State.context] of [state] is already
      * busy by the other [State]
      */
-    suspend fun startChain(state: State)
+    suspend fun startChain(state: T)
 
     /**
      * Ends chain with context from [state]. In case when [State.context] of [state] is absent, [state] should be just
      * ignored
      */
-    suspend fun endChain(state: State)
+    suspend fun endChain(state: T)
 
-    suspend fun getActiveStates(): List<State>
+    suspend fun getActiveStates(): List<T>
 }
 

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

@@ -0,0 +1,72 @@
+package dev.inmo.micro_utils.fsm.common
+
+import dev.inmo.micro_utils.common.*
+import kotlinx.coroutines.*
+import kotlinx.coroutines.sync.withLock
+
+/**
+ * This extender of [StatesMachine] interface declare one new function [updateChain]. Realizations of this interface
+ * must be able to perform update of chain in internal [StatesManager]
+ */
+interface UpdatableStatesMachine<T : State> : StatesMachine<T> {
+    /**
+     * Update chain with current state equal to [currentState] with [newState]. Behaviour of this update preforming
+     * in cases when [currentState] does not exist in [StatesManager] must be declared inside of realization of
+     * [StatesManager.update] function
+     */
+    suspend fun updateChain(currentState: T, newState: T)
+}
+
+open class DefaultUpdatableStatesMachine<T : State>(
+    statesManager: StatesManager<T>,
+    handlers: List<CheckableHandlerHolder<in T, T>>,
+) : DefaultStatesMachine<T>(
+    statesManager,
+    handlers
+), UpdatableStatesMachine<T> {
+    protected val jobsStates = mutableMapOf<Job, T>()
+
+    /**
+     * Realization of this update will use the [Job] of [previousState] in [statesJobs] and [jobsStates] if
+     * [previousState] is [Optional.presented] and [shouldReplaceJob] has returned true for [previousState] and [actualState]. In
+     * other words, [Job] of [previousState] WILL NOT be replaced with the new one if they are "equal". Equality of
+     * states is solved in [shouldReplaceJob] and can be rewritten in subclasses
+     */
+    override suspend fun performStateUpdate(previousState: Optional<T>, actualState: T, scope: CoroutineScope) {
+        statesJobsMutex.withLock {
+            if (compare(previousState, actualState)) {
+                statesJobs[actualState] ?.cancel()
+            }
+            val job = previousState.mapOnPresented {
+                statesJobs.remove(it)
+            } ?.takeIf { it.isActive } ?: scope.launch {
+                performUpdate(actualState)
+            }.also { job ->
+                job.invokeOnCompletion { _ ->
+                    scope.launch {
+                        statesJobsMutex.withLock {
+                            statesJobs.remove(
+                                jobsStates[job] ?: return@withLock
+                            )
+                        }
+                    }
+                }
+            }
+            jobsStates.remove(job)
+            statesJobs[actualState] = job
+            jobsStates[job] = actualState
+        }
+    }
+
+    /**
+     * Compare if [previous] potentially lead to the same behaviour with [new]
+     */
+    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/dsl/FSMBuilder.kt

@@ -1,37 +1,61 @@
 package dev.inmo.micro_utils.fsm.common.dsl
 
 import dev.inmo.micro_utils.fsm.common.*
-import dev.inmo.micro_utils.fsm.common.managers.*
-import dev.inmo.micro_utils.fsm.common.managers.InMemoryStatesManager
+import dev.inmo.micro_utils.fsm.common.managers.DefaultStatesManager
+import dev.inmo.micro_utils.fsm.common.managers.InMemoryDefaultStatesManagerRepo
 import kotlin.reflect.KClass
 
-class FSMBuilder(
-    var statesManager: StatesManager = DefaultStatesManager(InMemoryDefaultStatesManagerRepo())
+class FSMBuilder<T : State>(
+    var statesManager: StatesManager<T> = DefaultStatesManager(InMemoryDefaultStatesManagerRepo()),
+    val fsmBuilder: (statesManager: StatesManager<T>, states: List<CheckableHandlerHolder<T, T>>) -> StatesMachine<T> = { statesManager, states ->
+        StatesMachine(
+            statesManager,
+            states
+        )
+    },
+    var defaultStateHandler: StatesHandler<T, T>? = StatesHandler { null }
 ) {
-    private var states = mutableListOf<StateHandlerHolder<*>>()
+    private var states = mutableListOf<CheckableHandlerHolder<T, T>>()
 
-    fun <I : State> add(kClass: KClass<I>, handler: StatesHandler<I>) {
-        states.add(StateHandlerHolder(kClass, false, handler))
+    fun add(handler: CheckableHandlerHolder<T, T>) {
+        states.add(handler)
     }
 
-    fun <I : State> addStrict(kClass: KClass<I>, handler: StatesHandler<I>) {
-        states.add(StateHandlerHolder(kClass, true, handler))
+    fun <I : T> add(kClass: KClass<I>, handler: StatesHandler<I, T>) {
+        add(CheckableHandlerHolder(kClass, false, handler))
     }
 
-    fun build() = StatesMachine(
+    fun <I : T> add(filter: suspend (state: State) -> Boolean, handler: StatesHandler<I, T>) {
+        add(handler.holder(filter))
+    }
+
+    fun <I : T> addStrict(kClass: KClass<I>, handler: StatesHandler<I, T>) {
+        states.add(CheckableHandlerHolder(kClass, true, handler))
+    }
+
+    inline fun <reified I : T> onStateOrSubstate(handler: StatesHandler<I, T>) {
+        add(I::class, handler)
+    }
+
+    inline fun <reified I : T> strictlyOn(handler: StatesHandler<I, T>) {
+        addStrict(I::class, handler)
+    }
+
+    inline fun <reified I : T> doWhen(
+        noinline filter: suspend (state: State) -> Boolean,
+        handler: StatesHandler<I, T>
+    ) {
+        add(filter, handler)
+    }
+
+    fun build() = fsmBuilder(
         statesManager,
-        states.toList()
+        states.toList().let { list ->
+            defaultStateHandler ?.let { list + it.holder { true } } ?: list
+        }
     )
 }
 
-inline fun <reified I : State> FSMBuilder.onStateOrSubstate(handler: StatesHandler<I>) {
-    add(I::class, handler)
-}
-
-inline fun <reified I : State> FSMBuilder.strictlyOn(handler: StatesHandler<I>) {
-    addStrict(I::class, handler)
-}
-
-fun buildFSM(
-    block: FSMBuilder.() -> Unit
-): StatesMachine = FSMBuilder().apply(block).build()
+fun <T : State> buildFSM(
+    block: FSMBuilder<T>.() -> Unit
+): StatesMachine<T> = FSMBuilder<T>().apply(block).build()

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

@@ -9,25 +9,25 @@ import kotlinx.coroutines.sync.withLock
 /**
  * Implement this repo if you want to use some custom repo for [DefaultStatesManager]
  */
-interface DefaultStatesManagerRepo {
+interface DefaultStatesManagerRepo<T : State> {
     /**
      * Must save [state] as current state of chain with [State.context] of [state]
      */
-    suspend fun set(state: State)
+    suspend fun set(state: T)
     /**
      * Remove exactly [state]. In case if internally [State.context] is busy with different [State], that [State] should
      * NOT be removed
      */
-    suspend fun removeState(state: State)
+    suspend fun removeState(state: T)
     /**
      * @return Current list of available and saved states
      */
-    suspend fun getStates(): List<State>
+    suspend fun getStates(): List<T>
 
     /**
      * @return Current state by [context]
      */
-    suspend fun getContextState(context: Any): State?
+    suspend fun getContextState(context: Any): T?
 
     /**
      * @return Current state by [context]
@@ -37,36 +37,49 @@ interface DefaultStatesManagerRepo {
 
 /**
  * @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
+ * 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
  */
-class DefaultStatesManager(
-    private val repo: DefaultStatesManagerRepo = InMemoryDefaultStatesManagerRepo(),
-    private val onContextsConflictResolver: suspend (old: State, new: State, currentNew: State) -> Boolean = { _, _, _ -> true }
-) : StatesManager {
-    private val _onChainStateUpdated = MutableSharedFlow<Pair<State, State>>(0)
-    override val onChainStateUpdated: Flow<Pair<State, State>> = _onChainStateUpdated.asSharedFlow()
-    private val _onStartChain = MutableSharedFlow<State>(0)
-    override val onStartChain: Flow<State> = _onStartChain.asSharedFlow()
-    private val _onEndChain = MutableSharedFlow<State>(0)
-    override val onEndChain: Flow<State> = _onEndChain.asSharedFlow()
+open class DefaultStatesManager<T : State>(
+    protected val repo: DefaultStatesManagerRepo<T> = InMemoryDefaultStatesManagerRepo(),
+    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()
+    protected val _onStartChain = MutableSharedFlow<T>(0)
+    override val onStartChain: Flow<T> = _onStartChain.asSharedFlow()
+    protected val _onEndChain = MutableSharedFlow<T>(0)
+    override val onEndChain: Flow<T> = _onEndChain.asSharedFlow()
 
-    private val mapMutex = Mutex()
+    protected val mapMutex = Mutex()
 
-    override suspend fun update(old: State, new: State) = mapMutex.withLock {
-        val stateByOldContext: State? = repo.getContextState(old.context)
+    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 {
             stateByOldContext != old -> return@withLock
             stateByOldContext == null || old.context == new.context -> {
+                repo.removeState(old)
                 repo.set(new)
                 _onChainStateUpdated.emit(old to new)
             }
             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)
@@ -76,26 +89,30 @@ class DefaultStatesManager(
         }
     }
 
-    override suspend fun startChain(state: State) = mapMutex.withLock {
-        if (!repo.contains(state.context)) {
+    override suspend fun startChain(state: T) = mapMutex.withLock {
+        val stateOnContext = repo.getContextState(state.context)
+        if (stateOnContext == null || onStartContextsConflictResolver(stateOnContext, state)) {
+            stateOnContext ?.let {
+                endChainWithoutLock(it)
+            }
             repo.set(state)
             _onStartChain.emit(state)
         }
     }
 
-    private suspend fun endChainWithoutLock(state: State) {
+    protected open suspend fun endChainWithoutLock(state: T) {
         if (repo.getContextState(state.context) == state) {
             repo.removeState(state)
             _onEndChain.emit(state)
         }
     }
 
-    override suspend fun endChain(state: State) {
+    override suspend fun endChain(state: T) {
         mapMutex.withLock {
             endChainWithoutLock(state)
         }
     }
 
-    override suspend fun getActiveStates(): List<State> = repo.getStates()
+    override suspend fun getActiveStates(): List<T> = repo.getStates()
 
 }

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

@@ -6,20 +6,20 @@ import dev.inmo.micro_utils.fsm.common.State
  * Simple [DefaultStatesManagerRepo] for [DefaultStatesManager] which will store data in [map] and use primitive
  * functionality
  */
-class InMemoryDefaultStatesManagerRepo(
-    private val map: MutableMap<Any, State> = mutableMapOf()
-) : DefaultStatesManagerRepo {
-    override suspend fun set(state: State) {
+class InMemoryDefaultStatesManagerRepo<T : State>(
+    private val map: MutableMap<Any, T> = mutableMapOf()
+) : DefaultStatesManagerRepo<T> {
+    override suspend fun set(state: T) {
         map[state.context] = state
     }
 
-    override suspend fun removeState(state: State) {
+    override suspend fun removeState(state: T) {
         map.remove(state.context)
     }
 
-    override suspend fun getStates(): List<State> = map.values.toList()
+    override suspend fun getStates(): List<T> = map.values.toList()
 
-    override suspend fun getContextState(context: Any): State? = map[context]
+    override suspend fun getContextState(context: Any): T? = map[context]
 
     override suspend fun contains(context: Any): Boolean = map.contains(context)
 }

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

@@ -1,68 +1,17 @@
 package dev.inmo.micro_utils.fsm.common.managers
 
 import dev.inmo.micro_utils.fsm.common.State
-import dev.inmo.micro_utils.fsm.common.StatesManager
 import kotlinx.coroutines.flow.*
-import kotlinx.coroutines.sync.Mutex
-import kotlinx.coroutines.sync.withLock
 
 /**
+ * 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
  */
-class InMemoryStatesManager(
-    private val onContextsConflictResolver: suspend (old: State, new: State, currentNew: State) -> Boolean = { _, _, _ -> true }
-) : StatesManager {
-    private val _onChainStateUpdated = MutableSharedFlow<Pair<State, State>>(0)
-    override val onChainStateUpdated: Flow<Pair<State, State>> = _onChainStateUpdated.asSharedFlow()
-    private val _onStartChain = MutableSharedFlow<State>(0)
-    override val onStartChain: Flow<State> = _onStartChain.asSharedFlow()
-    private val _onEndChain = MutableSharedFlow<State>(0)
-    override val onEndChain: Flow<State> = _onEndChain.asSharedFlow()
-
-    private val contextsToStates = mutableMapOf<Any, State>()
-    private val mapMutex = Mutex()
-
-    override suspend fun update(old: State, new: State) = mapMutex.withLock {
-        when {
-            contextsToStates[old.context] != old -> return@withLock
-            old.context == new.context || !contextsToStates.containsKey(new.context) -> {
-                contextsToStates[old.context] = new
-                _onChainStateUpdated.emit(old to new)
-            }
-            else -> {
-                val stateOnNewOneContext = contextsToStates.getValue(new.context)
-                if (onContextsConflictResolver(old, new, stateOnNewOneContext)) {
-                    endChainWithoutLock(stateOnNewOneContext)
-                    contextsToStates.remove(old.context)
-                    contextsToStates[new.context] = new
-                    _onChainStateUpdated.emit(old to new)
-                }
-            }
-        }
-    }
-
-    override suspend fun startChain(state: State) = mapMutex.withLock {
-        if (!contextsToStates.containsKey(state.context)) {
-            contextsToStates[state.context] = state
-            _onStartChain.emit(state)
-        }
-    }
-
-    private suspend fun endChainWithoutLock(state: State) {
-        if (contextsToStates[state.context] == state) {
-            contextsToStates.remove(state.context)
-            _onEndChain.emit(state)
-        }
-    }
-
-    override suspend fun endChain(state: State) {
-        mapMutex.withLock {
-            endChainWithoutLock(state)
-        }
-    }
-
-    override suspend fun getActiveStates(): List<State> = contextsToStates.values.toList()
-
-}
+@Deprecated("Use DefaultStatesManager instead", ReplaceWith("DefaultStatesManager"))
+fun <T: State> InMemoryStatesManager(
+    onStartContextsConflictResolver: suspend (old: T, new: T) -> Boolean = { _, _ -> true },
+    onUpdateContextsConflictResolver: suspend (old: T, new: T, currentNew: T) -> Boolean = { _, _, _ -> true }
+) = DefaultStatesManager(onStartContextsConflictResolver = onStartContextsConflictResolver, onUpdateContextsConflictResolver = onUpdateContextsConflictResolver)

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

@@ -1,6 +1,7 @@
 import dev.inmo.micro_utils.fsm.common.*
 import dev.inmo.micro_utils.fsm.common.dsl.buildFSM
-import dev.inmo.micro_utils.fsm.common.dsl.strictlyOn
+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 {
@@ -25,9 +26,9 @@ class PlayableMain {
                 }
             }
 
-            val statesManager = InMemoryStatesManager()
+            val statesManager = DefaultStatesManager<TrafficLightState>()
 
-            val machine = buildFSM {
+            val machine = buildFSM<TrafficLightState> {
                 strictlyOn<GreenCommon> {
                     delay(1000L)
                     YellowCommon(it.context).also(::println)

fsm/repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/fsm/repos/common/KeyValueBasedDefaultStatesManagerRepo.kt

@@ -5,21 +5,21 @@ import dev.inmo.micro_utils.fsm.common.managers.DefaultStatesManagerRepo
 import dev.inmo.micro_utils.repos.*
 import dev.inmo.micro_utils.repos.pagination.getAll
 
-class KeyValueBasedDefaultStatesManagerRepo(
-    private val keyValueRepo: KeyValueRepo<Any, State>
-) : DefaultStatesManagerRepo {
-    override suspend fun set(state: State) {
+class KeyValueBasedDefaultStatesManagerRepo<T : State>(
+    private val keyValueRepo: KeyValueRepo<Any, T>
+) : DefaultStatesManagerRepo<T> {
+    override suspend fun set(state: T) {
         keyValueRepo.set(state.context, state)
     }
 
-    override suspend fun removeState(state: State) {
+    override suspend fun removeState(state: T) {
         if (keyValueRepo.get(state.context) == state) {
             keyValueRepo.unset(state.context)
         }
     }
 
-    override suspend fun getStates(): List<State> = keyValueRepo.getAll { keys(it) }.map { it.second }
-    override suspend fun getContextState(context: Any): State? = keyValueRepo.get(context)
+    override suspend fun getStates(): List<T> = keyValueRepo.getAll { keys(it) }.map { it.second }
+    override suspend fun getContextState(context: Any): T? = keyValueRepo.get(context)
 
     override suspend fun contains(context: Any): Boolean = keyValueRepo.contains(context)
 }

fsm/repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/fsm/repos/common/KeyValueBasedStatesManager.kt

@@ -1,84 +0,0 @@
-package dev.inmo.micro_utils.fsm.repos.common
-
-import dev.inmo.micro_utils.fsm.common.State
-import dev.inmo.micro_utils.fsm.common.StatesManager
-import dev.inmo.micro_utils.repos.*
-import dev.inmo.micro_utils.repos.mappers.withMapper
-import dev.inmo.micro_utils.repos.pagination.getAll
-import kotlinx.coroutines.flow.*
-import kotlinx.coroutines.sync.Mutex
-import kotlinx.coroutines.sync.withLock
-
-@Deprecated("Replace with DefaultStatesManager and KeyValueBasedDefaultStatesManagerRepo")
-class KeyValueBasedStatesManager(
-    private val keyValueRepo: KeyValueRepo<Any, State>,
-    private val onContextsConflictResolver: suspend (old: State, new: State, currentNew: State) -> Boolean = { _, _, _ -> true }
-) : StatesManager {
-    private val _onChainStateUpdated = MutableSharedFlow<Pair<State, State>>(0)
-    override val onChainStateUpdated: Flow<Pair<State, State>> = _onChainStateUpdated.asSharedFlow()
-    private val _onEndChain = MutableSharedFlow<State>(0)
-    override val onEndChain: Flow<State> = _onEndChain.asSharedFlow()
-
-    override val onStartChain: Flow<State> = keyValueRepo.onNewValue.map { it.second }
-
-    private val mutex = Mutex()
-
-    override suspend fun update(old: State, new: State) {
-        mutex.withLock {
-            when {
-                keyValueRepo.get(old.context) != old -> return@withLock
-                old.context == new.context || !keyValueRepo.contains(new.context) -> {
-                    keyValueRepo.set(old.context, new)
-                    _onChainStateUpdated.emit(old to new)
-                }
-                else -> {
-                    val stateOnNewOneContext = keyValueRepo.get(new.context)!!
-                    if (onContextsConflictResolver(old, new, stateOnNewOneContext)) {
-                        endChainWithoutLock(stateOnNewOneContext)
-                        keyValueRepo.unset(old.context)
-                        keyValueRepo.set(new.context, new)
-                        _onChainStateUpdated.emit(old to new)
-                    }
-                }
-            }
-
-        }
-    }
-
-    override suspend fun startChain(state: State) {
-        if (!keyValueRepo.contains(state.context)) {
-            keyValueRepo.set(state.context, state)
-        }
-    }
-
-    private suspend fun endChainWithoutLock(state: State) {
-        if (keyValueRepo.get(state.context) == state) {
-            keyValueRepo.unset(state.context)
-            _onEndChain.emit(state)
-        }
-    }
-
-    override suspend fun endChain(state: State) {
-        mutex.withLock { endChainWithoutLock(state) }
-    }
-
-    override suspend fun getActiveStates(): List<State> {
-        return keyValueRepo.getAll { keys(it) }.map { it.second }
-    }
-
-}
-
-inline fun <reified TargetContextType, reified TargetStateType> createStatesManager(
-    targetKeyValueRepo: KeyValueRepo<TargetContextType, TargetStateType>,
-    noinline contextToOutTransformer: suspend Any.() -> TargetContextType,
-    noinline stateToOutTransformer: suspend State.() -> TargetStateType,
-    noinline outToContextTransformer: suspend TargetContextType.() -> Any,
-    noinline outToStateTransformer: suspend TargetStateType.() -> State,
-) = KeyValueBasedStatesManager(
-    targetKeyValueRepo.withMapper<Any, State, TargetContextType, TargetStateType>(
-        contextToOutTransformer,
-        stateToOutTransformer,
-        outToContextTransformer,
-        outToStateTransformer
-    )
-)

gradle.properties

@@ -7,43 +7,12 @@ android.useAndroidX=true
 android.enableJetifier=true
 org.gradle.jvmargs=-Xmx2g
 
-kotlin_version=1.5.31
-kotlin_coroutines_version=1.5.2
-kotlin_serialisation_core_version=1.3.0
-kotlin_exposed_version=0.35.2
-
-ktor_version=1.6.4
-
-klockVersion=2.4.6
-
-github_release_plugin_version=2.2.12
-
-uuidVersion=0.3.1
-
-# ANDROID
-
-core_ktx_version=1.6.0
-androidx_recycler_version=1.2.1
-appcompat_version=1.3.1
-
-android_minSdkVersion=19
-android_compileSdkVersion=31
-android_buildToolsVersion=31.0.0
-dexcount_version=3.0.0
-junit_version=4.12
-test_ext_junit_version=1.1.2
-espresso_core=3.3.0
-
 # JS NPM
 
 crypto_js_version=4.1.1
 
-# Dokka
-
-dokka_version=1.5.31
-
 # Project data
 
 group=dev.inmo
-version=0.7.2
-android_code_version=76
+version=0.9.22
+android_code_version=112

gradle/libs.versions.toml

@@ -0,0 +1,77 @@
+[versions]
+
+kt = "1.6.10"
+kt-serialization = "1.3.2"
+kt-coroutines = "1.6.1"
+
+jb-compose = "1.1.1"
+jb-exposed = "0.37.3"
+jb-dokka = "1.6.10"
+
+klock = "2.7.0"
+uuid = "0.4.0"
+
+ktor = "1.6.8"
+
+gh-release = "2.2.12"
+
+android-gradle = "7.0.4"
+dexcount = "3.0.1"
+
+android-coreKtx = "1.7.0"
+android-recyclerView = "1.2.1"
+android-appCompat = "1.4.1"
+android-espresso = "3.3.0"
+android-test = "1.1.2"
+
+android-props-minSdk = "19"
+android-props-compileSdk = "32"
+android-props-buildTools = "32.0.0"
+
+[libraries]
+
+kt-stdlib = { module = "org.jetbrains.kotlin:kotlin-stdlib", version.ref = "kt" }
+
+kt-serialization = { module = "org.jetbrains.kotlinx:kotlinx-serialization-json", version.ref = "kt-serialization" }
+kt-serialization-cbor = { module = "org.jetbrains.kotlinx:kotlinx-serialization-cbor", version.ref = "kt-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" }
+
+
+ktor-client = { module = "io.ktor:ktor-client-core", version.ref = "ktor" }
+ktor-client-java = { module = "io.ktor:ktor-client-java", 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" }
+
+
+klock = { module = "com.soywiz.korlibs.klock:klock", version.ref = "klock" }
+uuid = { module = "com.benasher44:uuid", version.ref = "uuid" }
+
+
+jb-exposed = { module = "org.jetbrains.exposed:exposed-core", version.ref = "jb-exposed" }
+
+
+android-coreKtx = { module = "androidx.core:core-ktx", version.ref = "android-coreKtx" }
+android-recyclerView = { module = "androidx.recyclerview:recyclerview", version.ref = "android-recyclerView" }
+android-appCompat-resources = { module = "androidx.appcompat:appcompat-resources", version.ref = "android-appCompat" }
+android-espresso = { module = "androidx.test.espresso:espresso-core", version.ref = "android-espresso" }
+android-test-junit = { module = "androidx.test.ext:junit", version.ref = "android-test" }
+
+
+kt-test-js = { module = "org.jetbrains.kotlin:kotlin-test-js", version.ref = "kt" }
+kt-test-junit = { module = "org.jetbrains.kotlin:kotlin-test-junit", version.ref = "kt" }
+
+
+buildscript-kt-gradle = { module = "org.jetbrains.kotlin:kotlin-gradle-plugin", version.ref = "kt" }
+buildscript-kt-serialization = { module = "org.jetbrains.kotlin:kotlin-serialization", version.ref = "kt" }
+buildscript-jb-dokka = { module = "org.jetbrains.dokka:dokka-gradle-plugin", version.ref = "jb-dokka" }
+buildscript-gh-release = { module = "com.github.breadmoirai:github-release", version.ref = "gh-release" }
+buildscript-android-gradle = { module = "com.android.tools.build:gradle", version.ref = "android-gradle" }
+buildscript-android-dexcount = { module = "com.getkeepsafe.dexcount:dexcount-gradle-plugin", version.ref = "dexcount" }
+
+[plugins]
+
+jb-compose = { id = "org.jetbrains.compose", version.ref = "jb-compose" }

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

ktor/client/build.gradle

@@ -12,7 +12,7 @@ kotlin {
             dependencies {
                 api internalProject("micro_utils.ktor.common")
                 api internalProject("micro_utils.coroutines")
-                api "io.ktor:ktor-client-core:$ktor_version"
+                api libs.ktor.client
             }
         }
     }

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

@@ -4,6 +4,7 @@ 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.request.HttpRequestBuilder
 import io.ktor.http.cio.websocket.Frame
 import io.ktor.http.cio.websocket.readBytes
 import kotlinx.coroutines.flow.Flow
@@ -17,6 +18,7 @@ import kotlinx.serialization.DeserializationStrategy
 inline fun <T> HttpClient.createStandardWebsocketFlow(
     url: String,
     crossinline checkReconnection: (Throwable?) -> Boolean = { true },
+    noinline requestBuilder: HttpRequestBuilder.() -> Unit = {},
     crossinline conversation: suspend (StandardKtorSerialInputData) -> T
 ): Flow<T> {
     val correctedUrl = url.asCorrectWebSocketUrl
@@ -26,7 +28,7 @@ inline fun <T> HttpClient.createStandardWebsocketFlow(
         do {
             val reconnect = try {
                 safely {
-                    ws(correctedUrl) {
+                    ws(correctedUrl, requestBuilder) {
                         for (received in incoming) {
                             when (received) {
                                 is Frame.Binary -> producerScope.send(conversation(received.readBytes()))
@@ -65,10 +67,12 @@ inline fun <T> HttpClient.createStandardWebsocketFlow(
     url: String,
     crossinline checkReconnection: (Throwable?) -> Boolean = { true },
     deserializer: DeserializationStrategy<T>,
-    serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
+    serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat,
+    noinline requestBuilder: HttpRequestBuilder.() -> Unit = {},
 ) = createStandardWebsocketFlow(
     url,
-    checkReconnection
+    checkReconnection,
+    requestBuilder
 ) {
     serialFormat.decodeDefault(deserializer, it)
 }

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

@@ -0,0 +1,6 @@
+package dev.inmo.micro_utils.ktor.client
+
+import dev.inmo.micro_utils.common.MPPFile
+import io.ktor.client.request.forms.InputProvider
+
+expect suspend fun MPPFile.inputProvider(): InputProvider

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

@@ -1,16 +1,20 @@
 package dev.inmo.micro_utils.ktor.client
 
+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.request.get
-import io.ktor.client.request.post
+import io.ktor.client.request.*
+import io.ktor.client.request.forms.*
+import io.ktor.http.*
+import io.ktor.utils.io.core.ByteReadPacket
 import kotlinx.serialization.*
 
 typealias BodyPair<T> = Pair<SerializationStrategy<T>, T>
 
 class UnifiedRequester(
-    private val client: HttpClient = HttpClient(),
-    private val serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
+    val client: HttpClient = HttpClient(),
+    val serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
 ) {
     suspend fun <ResultType> uniget(
         url: String,
@@ -31,11 +35,66 @@ class UnifiedRequester(
         resultDeserializer: DeserializationStrategy<ResultType>
     ) = client.unipost(url, bodyInfo, resultDeserializer, serialFormat)
 
+    suspend fun <ResultType> unimultipart(
+        url: String,
+        filename: String,
+        inputProvider: InputProvider,
+        resultDeserializer: DeserializationStrategy<ResultType>,
+        mimetype: String = "*/*",
+        additionalParametersBuilder: FormBuilder.() -> Unit = {},
+        dataHeadersBuilder: HeadersBuilder.() -> Unit = {},
+        requestBuilder: HttpRequestBuilder.() -> Unit = {},
+    ): ResultType = client.unimultipart(url, filename, inputProvider, resultDeserializer, mimetype, additionalParametersBuilder, dataHeadersBuilder, requestBuilder, serialFormat)
+
+    suspend fun <BodyType, ResultType> unimultipart(
+        url: String,
+        filename: String,
+        inputProvider: InputProvider,
+        otherData: BodyPair<BodyType>,
+        resultDeserializer: DeserializationStrategy<ResultType>,
+        mimetype: String = "*/*",
+        additionalParametersBuilder: FormBuilder.() -> Unit = {},
+        dataHeadersBuilder: HeadersBuilder.() -> Unit = {},
+        requestBuilder: HttpRequestBuilder.() -> Unit = {},
+    ): ResultType = client.unimultipart(url, filename, otherData, inputProvider, resultDeserializer, mimetype, additionalParametersBuilder, dataHeadersBuilder, requestBuilder, serialFormat)
+
+    suspend fun <ResultType> unimultipart(
+        url: String,
+        mppFile: MPPFile,
+        resultDeserializer: DeserializationStrategy<ResultType>,
+        mimetype: String = "*/*",
+        additionalParametersBuilder: FormBuilder.() -> Unit = {},
+        dataHeadersBuilder: HeadersBuilder.() -> Unit = {},
+        requestBuilder: HttpRequestBuilder.() -> Unit = {}
+    ): ResultType = client.unimultipart(
+        url, mppFile, resultDeserializer, mimetype, additionalParametersBuilder, dataHeadersBuilder, requestBuilder, serialFormat
+    )
+
+    suspend fun <BodyType, ResultType> unimultipart(
+        url: String,
+        mppFile: MPPFile,
+        otherData: BodyPair<BodyType>,
+        resultDeserializer: DeserializationStrategy<ResultType>,
+        mimetype: String = "*/*",
+        additionalParametersBuilder: FormBuilder.() -> Unit = {},
+        dataHeadersBuilder: HeadersBuilder.() -> Unit = {},
+        requestBuilder: HttpRequestBuilder.() -> Unit = {}
+    ): ResultType = client.unimultipart(
+        url, mppFile, otherData, resultDeserializer, mimetype, additionalParametersBuilder, dataHeadersBuilder, requestBuilder, serialFormat
+    )
+
     fun <T> createStandardWebsocketFlow(
         url: String,
-        checkReconnection: (Throwable?) -> Boolean = { true },
-        deserializer: DeserializationStrategy<T>
-    ) = client.createStandardWebsocketFlow(url, checkReconnection, deserializer, serialFormat)
+        checkReconnection: (Throwable?) -> Boolean,
+        deserializer: DeserializationStrategy<T>,
+        requestBuilder: HttpRequestBuilder.() -> Unit = {},
+    ) = client.createStandardWebsocketFlow(url, checkReconnection, deserializer, serialFormat, requestBuilder)
+
+    fun <T> createStandardWebsocketFlow(
+        url: String,
+        deserializer: DeserializationStrategy<T>,
+        requestBuilder: HttpRequestBuilder.() -> Unit = {},
+    ) = createStandardWebsocketFlow(url, { true  }, deserializer, requestBuilder)
 }
 
 val defaultRequester = UnifiedRequester()
@@ -69,3 +128,124 @@ suspend fun <BodyType, ResultType> HttpClient.unipost(
 }.let {
     serialFormat.decodeDefault(resultDeserializer, it)
 }
+
+suspend fun <ResultType> HttpClient.unimultipart(
+    url: String,
+    filename: String,
+    inputProvider: InputProvider,
+    resultDeserializer: DeserializationStrategy<ResultType>,
+    mimetype: String = "*/*",
+    additionalParametersBuilder: FormBuilder.() -> Unit = {},
+    dataHeadersBuilder: HeadersBuilder.() -> Unit = {},
+    requestBuilder: HttpRequestBuilder.() -> Unit = {},
+    serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
+): ResultType = submitFormWithBinaryData<StandardKtorSerialInputData>(
+    url,
+    formData = formData {
+        append(
+            "bytes",
+            inputProvider,
+            Headers.build {
+                append(HttpHeaders.ContentType, mimetype)
+                append(HttpHeaders.ContentDisposition, "filename=\"$filename\"")
+                dataHeadersBuilder()
+            }
+        )
+        additionalParametersBuilder()
+    }
+) {
+    requestBuilder()
+}.let { serialFormat.decodeDefault(resultDeserializer, it) }
+
+suspend fun <BodyType, ResultType> HttpClient.unimultipart(
+    url: String,
+    filename: String,
+    otherData: BodyPair<BodyType>,
+    inputProvider: InputProvider,
+    resultDeserializer: DeserializationStrategy<ResultType>,
+    mimetype: String = "*/*",
+    additionalParametersBuilder: FormBuilder.() -> Unit = {},
+    dataHeadersBuilder: HeadersBuilder.() -> Unit = {},
+    requestBuilder: HttpRequestBuilder.() -> Unit = {},
+    serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
+): ResultType = unimultipart(
+    url,
+    filename,
+    inputProvider,
+    resultDeserializer,
+    mimetype,
+    additionalParametersBuilder = {
+        val serialized = serialFormat.encodeDefault(otherData.first, otherData.second)
+        append(
+            "data",
+            InputProvider(serialized.size.toLong()) {
+                ByteReadPacket(serialized)
+            },
+            Headers.build {
+                append(HttpHeaders.ContentType, ContentType.Application.Cbor.contentType)
+                append(HttpHeaders.ContentDisposition, "filename=data.bytes")
+                dataHeadersBuilder()
+            }
+        )
+        additionalParametersBuilder()
+    },
+    dataHeadersBuilder,
+    requestBuilder,
+    serialFormat
+)
+
+suspend fun <ResultType> HttpClient.unimultipart(
+    url: String,
+    mppFile: MPPFile,
+    resultDeserializer: DeserializationStrategy<ResultType>,
+    mimetype: String = "*/*",
+    additionalParametersBuilder: FormBuilder.() -> Unit = {},
+    dataHeadersBuilder: HeadersBuilder.() -> Unit = {},
+    requestBuilder: HttpRequestBuilder.() -> Unit = {},
+    serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
+): ResultType = unimultipart(
+    url,
+    mppFile.filename.string,
+    mppFile.inputProvider(),
+    resultDeserializer,
+    mimetype,
+    additionalParametersBuilder,
+    dataHeadersBuilder,
+    requestBuilder,
+    serialFormat
+)
+
+suspend fun <BodyType, ResultType> HttpClient.unimultipart(
+    url: String,
+    mppFile: MPPFile,
+    otherData: BodyPair<BodyType>,
+    resultDeserializer: DeserializationStrategy<ResultType>,
+    mimetype: String = "*/*",
+    additionalParametersBuilder: FormBuilder.() -> Unit = {},
+    dataHeadersBuilder: HeadersBuilder.() -> Unit = {},
+    requestBuilder: HttpRequestBuilder.() -> Unit = {},
+    serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
+): ResultType = unimultipart(
+    url,
+    mppFile,
+    resultDeserializer,
+    mimetype,
+    additionalParametersBuilder = {
+        val serialized = serialFormat.encodeDefault(otherData.first, otherData.second)
+        append(
+            "data",
+            InputProvider(serialized.size.toLong()) {
+                ByteReadPacket(serialized)
+            },
+            Headers.build {
+                append(HttpHeaders.ContentType, ContentType.Application.Cbor.contentType)
+                append(HttpHeaders.ContentDisposition, "filename=data.bytes")
+                dataHeadersBuilder()
+            }
+        )
+        additionalParametersBuilder()
+    },
+    dataHeadersBuilder,
+    requestBuilder,
+    serialFormat
+)

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

@@ -0,0 +1,19 @@
+package dev.inmo.micro_utils.ktor.client
+
+import dev.inmo.micro_utils.common.MPPFile
+import dev.inmo.micro_utils.ktor.common.*
+import io.ktor.client.HttpClient
+
+expect suspend fun HttpClient.tempUpload(
+    fullTempUploadDraftPath: String,
+    file: MPPFile,
+    onUpload: (uploaded: Long, count: Long) -> Unit = { _, _ -> }
+): TemporalFileId
+
+suspend fun UnifiedRequester.tempUpload(
+    fullTempUploadDraftPath: String,
+    file: MPPFile,
+    onUpload: (uploaded: Long, count: Long) -> Unit = { _, _ -> }
+): TemporalFileId = client.tempUpload(
+    fullTempUploadDraftPath, file, onUpload
+)

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

@@ -0,0 +1,11 @@
+package dev.inmo.micro_utils.ktor.client
+
+import dev.inmo.micro_utils.common.*
+import io.ktor.client.request.forms.InputProvider
+import io.ktor.utils.io.core.ByteReadPacket
+
+actual suspend fun MPPFile.inputProvider(): InputProvider = bytes().let {
+    InputProvider(it.size.toLong()) {
+        ByteReadPacket(it)
+    }
+}

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

@@ -0,0 +1,58 @@
+package dev.inmo.micro_utils.ktor.client
+
+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.xhr.*
+
+suspend fun tempUpload(
+    fullTempUploadDraftPath: String,
+    file: MPPFile,
+    onUpload: (Long, Long) -> Unit
+): TemporalFileId {
+    val formData = FormData()
+    val answer = CompletableDeferred<TemporalFileId>()
+
+    formData.append(
+        "data",
+        file
+    )
+
+    val request = XMLHttpRequest()
+    request.responseType = XMLHttpRequestResponseType.TEXT
+    request.upload.onprogress = {
+        onUpload(it.loaded.toLong(), it.total.toLong())
+    }
+    request.onload = {
+        if (request.status == 200.toShort()) {
+            answer.complete(TemporalFileId(request.responseText))
+        } else {
+            answer.completeExceptionally(Exception("Something went wrong: $it"))
+        }
+    }
+    request.onerror = {
+        answer.completeExceptionally(Exception("Something went wrong: $it"))
+    }
+    request.open("POST", fullTempUploadDraftPath, true)
+    request.send(formData)
+
+    val handle = currentCoroutineContext().job.invokeOnCompletion {
+        runCatching {
+            request.abort()
+        }
+    }
+
+    return runCatching {
+        answer.await()
+    }.also {
+        handle.dispose()
+    }.getOrThrow()
+}
+
+
+actual suspend fun HttpClient.tempUpload(
+    fullTempUploadDraftPath: String,
+    file: MPPFile,
+    onUpload: (uploaded: Long, count: Long) -> Unit
+): TemporalFileId = dev.inmo.micro_utils.ktor.client.tempUpload(fullTempUploadDraftPath, file, onUpload)

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

@@ -0,0 +1,9 @@
+package dev.inmo.micro_utils.ktor.client
+
+import dev.inmo.micro_utils.common.MPPFile
+import io.ktor.client.request.forms.InputProvider
+import io.ktor.utils.io.streams.asInput
+
+actual suspend fun MPPFile.inputProvider(): InputProvider = InputProvider(length()) {
+    inputStream().asInput()
+}

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

@@ -0,0 +1,39 @@
+package dev.inmo.micro_utils.ktor.client
+
+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.request.forms.formData
+import io.ktor.client.request.forms.submitFormWithBinaryData
+import io.ktor.http.Headers
+import io.ktor.http.HttpHeaders
+import java.net.URLConnection
+
+internal val MPPFile.mimeType: String
+    get() = URLConnection.getFileNameMap().getContentTypeFor(filename.name) ?: "*/*"
+
+actual suspend fun HttpClient.tempUpload(
+    fullTempUploadDraftPath: String,
+    file: MPPFile,
+    onUpload: (Long, Long) -> Unit
+): TemporalFileId {
+    val inputProvider = file.inputProvider()
+    val fileId = submitFormWithBinaryData<String>(
+        fullTempUploadDraftPath,
+        formData = formData {
+            append(
+                "data",
+                inputProvider,
+                Headers.build {
+                    append(HttpHeaders.ContentType, file.mimeType)
+                    append(HttpHeaders.ContentDisposition, "filename=\"${file.filename.string}\"")
+                }
+            )
+        }
+    ) {
+        onUpload(onUpload)
+    }
+    return TemporalFileId(fileId)
+}

ktor/common/build.gradle

@@ -10,8 +10,10 @@ kotlin {
     sourceSets {
         commonMain {
             dependencies {
-                api "org.jetbrains.kotlinx:kotlinx-serialization-cbor:$kotlin_serialisation_core_version"
-                api "com.soywiz.korlibs.klock:klock:$klockVersion"
+                api internalProject("micro_utils.common")
+                api libs.kt.serialization.cbor
+                api libs.klock
+                api libs.uuid
             }
         }
     }

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

@@ -0,0 +1,10 @@
+package dev.inmo.micro_utils.ktor.common
+
+import kotlin.jvm.JvmInline
+import kotlinx.serialization.Serializable
+
+const val DefaultTemporalFilesSubPath = "temp_upload"
+
+@Serializable
+@JvmInline
+value class TemporalFileId(val string: String)

ktor/server/build.gradle

@@ -16,10 +16,10 @@ kotlin {
 
         jvmMain {
             dependencies {
-                api "io.ktor:ktor-server:$ktor_version"
-                api "io.ktor:ktor-server-cio:$ktor_version"
-                api "io.ktor:ktor-server-host-common:$ktor_version"
-                api "io.ktor:ktor-websockets:$ktor_version"
+                api libs.ktor.server
+                api libs.ktor.server.cio
+                api libs.ktor.server.host.common
+                api libs.ktor.websockets
             }
         }
     }

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

@@ -2,29 +2,31 @@ package dev.inmo.micro_utils.ktor.server
 
 import dev.inmo.micro_utils.coroutines.safely
 import dev.inmo.micro_utils.ktor.common.*
+import io.ktor.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.websocket.webSocket
+import io.ktor.routing.application
+import io.ktor.websocket.*
 import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.collect
 import kotlinx.serialization.SerializationStrategy
 
-private suspend fun DefaultWebSocketSession.checkReceivedAndCloseIfExists() {
-    if (incoming.tryReceive() != null) {
-        close()
-        throw CorrectCloseException
-    }
-}
-
 fun <T> Route.includeWebsocketHandling(
     suburl: String,
     flow: Flow<T>,
-    converter: (T) -> StandardKtorSerialInputData
+    protocol: URLProtocol = URLProtocol.WS,
+    converter: suspend WebSocketServerSession.(T) -> StandardKtorSerialInputData?
 ) {
-    webSocket(suburl) {
+    application.apply {
+        featureOrNull(io.ktor.websocket.WebSockets) ?: install(io.ktor.websocket.WebSockets)
+    }
+    webSocket(suburl, protocol.name) {
         safely {
             flow.collect {
-                send(converter(it))
+                converter(it) ?.let { data ->
+                    send(data)
+                }
             }
         }
     }
@@ -34,10 +36,24 @@ fun <T> Route.includeWebsocketHandling(
     suburl: String,
     flow: Flow<T>,
     serializer: SerializationStrategy<T>,
-    serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
+    serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat,
+    protocol: URLProtocol = URLProtocol.WS,
+    filter: (suspend WebSocketServerSession.(T) -> Boolean)? = null
 ) = includeWebsocketHandling(
     suburl,
-    flow
-) {
-    serialFormat.encodeDefault(serializer, it)
-}
+    flow,
+    protocol,
+    converter = if (filter == null) {
+        {
+            serialFormat.encodeDefault(serializer, it)
+        }
+    } else {
+        {
+            if (filter(it)) {
+                serialFormat.encodeDefault(serializer, it)
+            } else {
+                null
+            }
+        }
+    }
+)

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

@@ -1,28 +1,39 @@
 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.ContentType
-import io.ktor.http.HttpStatusCode
+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.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
 
 class UnifiedRouter(
-    private val serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat,
-    private val serialFormatContentType: ContentType = standardKtorSerialFormatContentType
+    val serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat,
+    val serialFormatContentType: ContentType = standardKtorSerialFormatContentType
 ) {
     fun <T> Route.includeWebsocketHandling(
         suburl: String,
         flow: Flow<T>,
-        serializer: SerializationStrategy<T>
-    ) = includeWebsocketHandling(suburl, flow, serializer, serialFormat)
+        serializer: SerializationStrategy<T>,
+        protocol: URLProtocol = URLProtocol.WS,
+        filter: (suspend WebSocketServerSession.(T) -> Boolean)? = null
+    ) = includeWebsocketHandling(suburl, flow, serializer, serialFormat, protocol, filter)
 
     suspend fun <T> PipelineContext<*, ApplicationCall>.unianswer(
         answerSerializer: SerializationStrategy<T>,
@@ -81,6 +92,11 @@ class UnifiedRouter(
             call.respond(HttpStatusCode.BadRequest, "Request query parameters must contains $field")
         }
     }
+
+    companion object {
+        val default
+            get() = defaultUnifiedRouter
+    }
 }
 
 val defaultUnifiedRouter = UnifiedRouter()
@@ -104,6 +120,139 @@ suspend fun <T> ApplicationCall.uniload(
     )
 }
 
+suspend fun ApplicationCall.uniloadMultipart(
+    onFormItem: (PartData.FormItem) -> Unit = {},
+    onCustomFileItem: (PartData.FileItem) -> Unit = {},
+    onBinaryContent: (PartData.BinaryItem) -> Unit = {}
+) = safely {
+    val multipartData = receiveMultipart()
+
+    var resultInput: Input? = null
+
+    multipartData.forEachPart {
+        when (it) {
+            is PartData.FormItem -> onFormItem(it)
+            is PartData.FileItem -> {
+                when (it.name) {
+                    "bytes" -> resultInput = it.provider()
+                    else -> onCustomFileItem(it)
+                }
+            }
+            is PartData.BinaryItem -> onBinaryContent(it)
+        }
+    }
+
+    resultInput ?: error("Bytes has not been received")
+}
+
+suspend fun <T> ApplicationCall.uniloadMultipart(
+    deserializer: DeserializationStrategy<T>,
+    onFormItem: (PartData.FormItem) -> Unit = {},
+    onCustomFileItem: (PartData.FileItem) -> Unit = {},
+    onBinaryContent: (PartData.BinaryItem) -> Unit = {}
+): Pair<Input, T> {
+    var data: Optional<T>? = null
+    val resultInput = uniloadMultipart(
+        onFormItem,
+        {
+            if (it.name == "data") {
+                data = standardKtorSerialFormat.decodeDefault(deserializer, it.provider().readBytes()).optional
+            } else {
+                onCustomFileItem(it)
+            }
+        },
+        onBinaryContent
+    )
+
+    val completeData = data ?: error("Data has not been received")
+    return resultInput to (completeData.dataOrNull().let { it as T })
+}
+
+suspend fun <T> ApplicationCall.uniloadMultipartFile(
+    deserializer: DeserializationStrategy<T>,
+    onFormItem: (PartData.FormItem) -> Unit = {},
+    onCustomFileItem: (PartData.FileItem) -> Unit = {},
+    onBinaryContent: (PartData.BinaryItem) -> Unit = {},
+) = safely {
+    val multipartData = receiveMultipart()
+
+    var resultInput: MPPFile? = null
+    var data: Optional<T>? = null
+
+    multipartData.forEachPart {
+        when (it) {
+            is PartData.FormItem -> onFormItem(it)
+            is PartData.FileItem -> {
+                when (it.name) {
+                    "bytes" -> {
+                        val name = FileName(it.originalFileName ?: error("File name is unknown for default part"))
+                        resultInput = MPPFile.createTempFile(
+                            name.nameWithoutExtension.let {
+                                var resultName = it
+                                while (resultName.length < 3) {
+                                    resultName += "_"
+                                }
+                                resultName
+                            },
+                            ".${name.extension}"
+                        ).apply {
+                            outputStream().use { fileStream ->
+                                it.provider().asStream().copyTo(fileStream)
+                            }
+                        }
+                    }
+                    "data" -> data = standardKtorSerialFormat.decodeDefault(deserializer, it.provider().readBytes()).optional
+                    else -> onCustomFileItem(it)
+                }
+            }
+            is PartData.BinaryItem -> onBinaryContent(it)
+        }
+    }
+
+    val completeData = data ?: error("Data has not been received")
+    (resultInput ?: error("Bytes has not been received")) to (completeData.dataOrNull().let { it as T })
+}
+
+suspend fun ApplicationCall.uniloadMultipartFile(
+    onFormItem: (PartData.FormItem) -> Unit = {},
+    onCustomFileItem: (PartData.FileItem) -> Unit = {},
+    onBinaryContent: (PartData.BinaryItem) -> Unit = {},
+) = safely {
+    val multipartData = receiveMultipart()
+
+    var resultInput: MPPFile? = null
+
+    multipartData.forEachPart {
+        when (it) {
+            is PartData.FormItem -> onFormItem(it)
+            is PartData.FileItem -> {
+                if (it.name == "bytes") {
+                    val name = FileName(it.originalFileName ?: error("File name is unknown for default part"))
+                    resultInput = MPPFile.createTempFile(
+                        name.nameWithoutExtension.let {
+                            var resultName = it
+                            while (resultName.length < 3) {
+                                resultName += "_"
+                            }
+                            resultName
+                        },
+                        ".${name.extension}"
+                    ).apply {
+                        outputStream().use { fileStream ->
+                            it.provider().asStream().copyTo(fileStream)
+                        }
+                    }
+                } else {
+                    onCustomFileItem(it)
+                }
+            }
+            is PartData.BinaryItem -> onBinaryContent(it)
+        }
+    }
+
+    resultInput ?: error("Bytes has not been received")
+}
+
 suspend fun ApplicationCall.getParameterOrSendError(
     field: String
 ) = parameters[field].also {

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

@@ -1,7 +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.cio.CIO
+import io.ktor.server.cio.CIOApplicationEngine
 import io.ktor.server.engine.*
 import kotlin.random.Random
 
@@ -9,16 +11,57 @@ 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
+ *
+ * @see ApplicationEngine.start
+ */
+fun createKtorServer(
+    host: String = "localhost",
+    port: Int = Random.nextInt(1024, 65535),
+    additionalEngineEnvironmentConfigurator: ApplicationEngineEnvironmentBuilder.() -> Unit = {},
+    additionalConfigurationConfigurator: CIOApplicationEngine.Configuration.() -> Unit = {},
+    block: Application.() -> Unit
+): 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,
+    additionalEngineEnvironmentConfigurator,
+    additionalConfigurationConfigurator
+) {
+    configurators.forEach { it.apply { configure() } }
 }
 
 /**
@@ -29,5 +72,7 @@ fun <TEngine : ApplicationEngine, TConfiguration : ApplicationEngine.Configurati
 fun createKtorServer(
     host: String = "localhost",
     port: Int = Random.nextInt(1024, 65535),
-    block: Application.() -> Unit
-): ApplicationEngine = createKtorServer(CIO, host, port, block)
+    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

@@ -0,0 +1,132 @@
+package dev.inmo.micro_utils.ktor.server
+
+import com.benasher44.uuid.uuid4
+import dev.inmo.micro_utils.common.FileName
+import dev.inmo.micro_utils.common.MPPFile
+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 kotlinx.coroutines.*
+import kotlinx.coroutines.flow.*
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+import java.io.File
+import java.nio.file.Files
+import java.nio.file.attribute.FileTime
+
+class TemporalFilesRoutingConfigurator(
+    private val subpath: String = DefaultTemporalFilesSubPath,
+    private val unifiedRouter: UnifiedRouter = UnifiedRouter.default,
+    private val temporalFilesUtilizer: TemporalFilesUtilizer = TemporalFilesUtilizer
+) : ApplicationRoutingConfigurator.Element {
+    interface TemporalFilesUtilizer {
+        fun start(filesMap: MutableMap<TemporalFileId, MPPFile>, filesMutex: Mutex, onNewFileFlow: Flow<TemporalFileId>): Job
+
+        companion object : TemporalFilesUtilizer {
+            class ByTimerUtilizer(
+                private val removeMillis: Long,
+                private val scope: CoroutineScope
+            ) : TemporalFilesUtilizer {
+                override fun start(
+                    filesMap: MutableMap<TemporalFileId, MPPFile>,
+                    filesMutex: Mutex,
+                    onNewFileFlow: Flow<TemporalFileId>
+                ): Job = scope.launchSafelyWithoutExceptions {
+                    while (isActive) {
+                        val filesWithCreationInfo = filesMap.mapNotNull { (fileId, file) ->
+                            fileId to ((Files.getAttribute(file.toPath(), "creationTime") as? FileTime) ?.toMillis() ?: return@mapNotNull null)
+                        }
+                        if (filesWithCreationInfo.isEmpty()) {
+                            delay(removeMillis)
+                            continue
+                        }
+                        var min = filesWithCreationInfo.first()
+                        for (fileWithCreationInfo in filesWithCreationInfo) {
+                            if (fileWithCreationInfo.second < min.second) {
+                                min = fileWithCreationInfo
+                            }
+                        }
+                        delay(System.currentTimeMillis() - (min.second + removeMillis))
+                        filesMutex.withLock {
+                            filesMap.remove(min.first)
+                        } ?.delete()
+                    }
+
+                }
+            }
+
+            override fun start(
+                filesMap: MutableMap<TemporalFileId, MPPFile>,
+                filesMutex: Mutex,
+                onNewFileFlow: Flow<TemporalFileId>
+            ): Job = Job()
+        }
+    }
+
+    private val temporalFilesMap = mutableMapOf<TemporalFileId, MPPFile>()
+    private val temporalFilesMutex = Mutex()
+    private val filesFlow = MutableSharedFlow<TemporalFileId>()
+    val utilizerJob = temporalFilesUtilizer.start(temporalFilesMap, temporalFilesMutex, filesFlow.asSharedFlow())
+
+    override fun Route.invoke() {
+        post(subpath) {
+            unifiedRouter.apply {
+                val multipart = call.receiveMultipart()
+
+                var fileInfo: Pair<TemporalFileId, MPPFile>? = null
+                var part = multipart.readPart()
+
+                while (part != null) {
+                    if (part is PartData.FileItem) {
+                        break
+                    }
+                    part = multipart.readPart()
+                }
+
+                part ?.let {
+                    if (it is PartData.FileItem) {
+                        val fileId = TemporalFileId(uuid4().toString())
+                        val fileName = it.originalFileName ?.let { FileName(it) } ?: return@let
+                        fileInfo = fileId to File.createTempFile(fileId.string, ".${fileName.extension}").apply {
+                            outputStream().use { outputStream ->
+                                it.streamProvider().use {
+                                    it.copyTo(outputStream)
+                                }
+                            }
+                            deleteOnExit()
+                        }
+                    }
+                }
+
+                fileInfo ?.also { (fileId, file) ->
+                    temporalFilesMutex.withLock {
+                        temporalFilesMap[fileId] = file
+                    }
+                    call.respond(fileId.string)
+                    launchSafelyWithoutExceptions { filesFlow.emit(fileId) }
+                } ?: call.respond(HttpStatusCode.BadRequest)
+            }
+        }
+    }
+
+    suspend fun removeTemporalFile(temporalFileId: TemporalFileId) {
+        temporalFilesMutex.withLock {
+            temporalFilesMap.remove(temporalFileId)
+        }
+    }
+
+    fun getTemporalFile(temporalFileId: TemporalFileId) = temporalFilesMap[temporalFileId]
+
+    suspend fun getAndRemoveTemporalFile(temporalFileId: TemporalFileId) = temporalFilesMutex.withLock {
+        temporalFilesMap.remove(temporalFileId)
+    }
+}

language_codes/generator/build.gradle

@@ -4,8 +4,8 @@ buildscript {
     }
 
     dependencies {
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath "org.jetbrains.kotlin:kotlin-serialization:$kotlin_version"
+        classpath libs.buildscript.kt.gradle
+        classpath libs.buildscript.kt.serialization
     }
 }
 
@@ -16,11 +16,16 @@ plugins {
 }
 
 dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:$kotlin_serialisation_core_version"
+    implementation libs.kt.stdlib
+    implementation libs.kt.serialization
 
-    implementation "io.ktor:ktor-client-core:$ktor_version"
-    implementation "io.ktor:ktor-client-java:$ktor_version"
+    implementation libs.ktor.client
+    implementation libs.ktor.client.java
 }
 
 mainClassName="MainKt"
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
+}

language_codes/src/commonMain/kotlin/dev/inmo/micro_utils/language_codes/LanguageCodes.kt

@@ -1,3 +1,5 @@
+@file:Suppress("SERIALIZER_TYPE_INCOMPATIBLE")
+
 package dev.inmo.micro_utils.language_codes
 
 import kotlinx.serialization.Serializable

mime_types/mimes_generator/mime_generator.py

@@ -0,0 +1,52 @@
+import requests
+from bs4 import BeautifulSoup
+import pandas as pd
+import itertools
+
+def fix_name(category, raw_name):
+    splitted = raw_name.replace('-', '+').replace('.', '+').replace(',', '+').split('+')
+    out1 = ""
+    for s in splitted:
+        out1 += s.capitalize()
+
+    result = ""
+    if out1[0].isdigit():
+        result += category[0].capitalize()
+        result += out1
+    else:
+        result += out1
+    return result
+
+if __name__ == '__main__':
+    df = pd.read_html(open('table.html', 'r'))
+    mimes = []
+    for row in df[0].iterrows():
+        mime = row[1][1]
+        mime_category = mime.split('/', 1)[0]
+        mime_name = mime.split('/', 1)[1]
+        mimes.append({
+            'mime_category': mime_category,
+            'mime_name': mime_name,
+        })
+
+    # codegen
+
+    mimes.sort(key=lambda x: x['mime_category'])
+    grouped = itertools.groupby(mimes, lambda x: x['mime_category'])
+    code = ''
+    code2 = 'internal val knownMimeTypes: Set<MimeType> = setOf(\n'
+    code2 += '    KnownMimeTypes.Any,\n'
+    for key, group in grouped:
+        group_name = key.capitalize()
+        code += '@Serializable(MimeTypeSerializer::class)\nsealed class %s(raw: String) : MimeType, KnownMimeTypes(raw) {\n' % group_name
+        code += '    @Serializable(MimeTypeSerializer::class)\n    object Any: %s ("%s/*")\n' % (group_name, key)
+        for mime in group:
+            name = fix_name(mime['mime_category'], mime['mime_name'])
+            code += '    @Serializable(MimeTypeSerializer::class)\n    object %s: %s ("%s/%s")\n' % (name, group_name, mime['mime_category'], mime['mime_name'])
+            code2 += '    KnownMimeTypes.%s.%s,\n' % (group_name, name)
+        code += '}\n\n'
+    code2 += ')\n'
+    with open('out1.txt', 'w') as file:
+        file.write(code)
+    with open('out2.txt', 'w') as file:
+        file.write(code2)

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

@@ -1,3 +1,5 @@
+@file:Suppress("SERIALIZER_TYPE_INCOMPATIBLE")
+
 package dev.inmo.micro_utils.mime_types
 
 import kotlinx.serialization.Serializable

mppAndroidProject.gradle

@@ -26,7 +26,6 @@ kotlin {
 apply from: "$defaultAndroidSettingsPresetPath"
 
 java {
-    toolchain {
-        languageVersion = JavaLanguageVersion.of(8)
-    }
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
 }

mppJavaProject.gradle

@@ -4,7 +4,13 @@ project.group = "$group"
 apply from: "$publishGradlePath"
 
 kotlin {
-    jvm()
+    jvm {
+        compilations.main {
+            kotlinOptions {
+                jvmTarget = "1.8"
+            }
+        }
+    }
 
     sourceSets {
         commonMain {
@@ -28,7 +34,6 @@ kotlin {
 }
 
 java {
-    toolchain {
-        languageVersion = JavaLanguageVersion.of(8)
-    }
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
 }

mppProjectWithSerialization.gradle

@@ -4,7 +4,13 @@ project.group = "$group"
 apply from: "$publishGradlePath"
 
 kotlin {
-    jvm()
+    jvm {
+        compilations.main {
+            kotlinOptions {
+                jvmTarget = "1.8"
+            }
+        }
+    }
     js (IR) {
         browser()
         nodejs()
@@ -17,7 +23,7 @@ kotlin {
         commonMain {
             dependencies {
                 implementation kotlin('stdlib')
-                api "org.jetbrains.kotlinx:kotlinx-serialization-json:$kotlin_serialisation_core_version"
+                implementation libs.kt.serialization
             }
         }
         commonTest {
@@ -40,8 +46,8 @@ kotlin {
         androidTest {
             dependencies {
                 implementation kotlin('test-junit')
-                implementation "androidx.test.ext:junit:$test_ext_junit_version"
-                implementation "androidx.test.espresso:espresso-core:$espresso_core"
+                implementation libs.android.test.junit
+                implementation libs.android.espresso
             }
         }
     }
@@ -50,7 +56,6 @@ kotlin {
 apply from: "$defaultAndroidSettingsPresetPath"
 
 java {
-    toolchain {
-        languageVersion = JavaLanguageVersion.of(8)
-    }
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
 }

mppProjectWithSerializationAndCompose.gradle

@@ -0,0 +1,72 @@
+project.version = "$version"
+project.group = "$group"
+
+apply from: "$publishGradlePath"
+
+kotlin {
+    jvm {
+        compilations.main {
+            kotlinOptions {
+                jvmTarget = "1.8"
+            }
+        }
+    }
+    js (IR) {
+        browser()
+        nodejs()
+    }
+    android {
+        publishAllLibraryVariants()
+    }
+
+    sourceSets {
+        commonMain {
+            dependencies {
+                implementation kotlin('stdlib')
+                implementation libs.kt.serialization
+                implementation compose.runtime
+            }
+        }
+        commonTest {
+            dependencies {
+                implementation kotlin('test-common')
+                implementation kotlin('test-annotations-common')
+            }
+        }
+        jvmMain {
+            dependencies {
+                implementation compose.desktop.currentOs
+            }
+        }
+        jvmTest {
+            dependencies {
+                implementation kotlin('test-junit')
+            }
+        }
+        jsMain {
+            dependencies {
+                implementation compose.web.core
+            }
+        }
+        jsTest {
+            dependencies {
+                implementation kotlin('test-js')
+                implementation kotlin('test-junit')
+            }
+        }
+        androidTest {
+            dependencies {
+                implementation kotlin('test-junit')
+                implementation libs.android.test.junit
+                implementation libs.android.espresso
+            }
+        }
+    }
+}
+
+apply from: "$defaultAndroidSettingsPresetPath"
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
+}

pagination/common/build.gradle

@@ -5,3 +5,13 @@ plugins {
 }
 
 apply from: "$mppProjectWithSerializationPresetPath"
+
+kotlin {
+    sourceSets {
+        commonMain {
+            dependencies {
+                api project(":micro_utils.common")
+            }
+        }
+    }
+}

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

@@ -1,5 +1,6 @@
 package dev.inmo.micro_utils.pagination
 
+import dev.inmo.micro_utils.common.intersect
 import kotlin.math.ceil
 import kotlin.math.floor
 
@@ -9,7 +10,7 @@ import kotlin.math.floor
  * If you want to request something, you should use [SimplePagination]. If you need to return some result including
  * pagination - [PaginationResult]
  */
-interface Pagination {
+interface Pagination : ClosedRange<Int> {
     /**
      * Started with 0.
      * Number of page inside of pagination. Offset can be calculated as [page] * [size]
@@ -20,6 +21,17 @@ interface Pagination {
      * Size of current page. Offset can be calculated as [page] * [size]
      */
     val size: Int
+
+    override val start: Int
+        get() = page * size
+    override val endInclusive: Int
+        get() = start + size - 1
+}
+
+fun Pagination.intersect(
+    other: Pagination
+): Pagination? = (this as ClosedRange<Int>).intersect(other as ClosedRange<Int>) ?.let {
+    PaginationByIndexes(it.first, it.second)
 }
 
 /**
@@ -32,7 +44,7 @@ inline val Pagination.isFirstPage
  * First number in index of objects. It can be used as offset for databases or other data sources
  */
 val Pagination.firstIndex: Int
-    get() = page * size
+    get() = start
 
 /**
  * Last number in index of objects. In fact, one [Pagination] object represent data in next range:
@@ -41,7 +53,7 @@ val Pagination.firstIndex: Int
  * you will retrieve [Pagination.firstIndex] == 10 and [Pagination.lastIndex] == 19. Here [Pagination.lastIndexExclusive] == 20
  */
 val Pagination.lastIndexExclusive: Int
-    get() = firstIndex + size
+    get() = endInclusive + 1
 
 /**
  * Last number in index of objects. In fact, one [Pagination] object represent data in next range:
@@ -50,7 +62,7 @@ val Pagination.lastIndexExclusive: Int
  * you will retrieve [Pagination.firstIndex] == 10 and [Pagination.lastIndex] == 19.
  */
 val Pagination.lastIndex: Int
-    get() = lastIndexExclusive - 1
+    get() = endInclusive
 
 /**
  * Calculates pages count for given [datasetSize]

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

@@ -16,6 +16,16 @@ suspend fun <T> getAll(
     return results.toList()
 }
 
+suspend fun <T, R> R.getAllBy(
+    initialPagination: Pagination = FirstPagePagination(),
+    paginationMapper: R.(PaginationResult<T>) -> Pagination?,
+    block: suspend R.(Pagination) -> PaginationResult<T>
+): List<T> = getAll(
+    initialPagination,
+    { paginationMapper(it) },
+    { block(it) }
+)
+
 suspend fun <T> getAllWithNextPaging(
     initialPagination: Pagination = FirstPagePagination(),
     block: suspend (Pagination) -> PaginationResult<T>
@@ -25,6 +35,14 @@ suspend fun <T> getAllWithNextPaging(
     block
 )
 
+suspend fun <T, R> R.getAllByWithNextPaging(
+    initialPagination: Pagination = FirstPagePagination(),
+    block: suspend R.(Pagination) -> PaginationResult<T>
+): List<T> = getAllWithNextPaging(
+    initialPagination,
+    { block(it) }
+)
+
 suspend fun <T> getAllWithCurrentPaging(
     initialPagination: Pagination = FirstPagePagination(),
     block: suspend (Pagination) -> PaginationResult<T>
@@ -33,3 +51,11 @@ suspend fun <T> getAllWithCurrentPaging(
     { it.currentPageIfNotEmpty() },
     block
 )
+
+suspend fun <T, R> R.getAllByWithCurrentPaging(
+    initialPagination: Pagination = FirstPagePagination(),
+    block: suspend R.(Pagination) -> PaginationResult<T>
+): List<T> = getAllWithCurrentPaging(
+    initialPagination,
+    { block(it) }
+)

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

@@ -38,3 +38,31 @@ fun <T> Set<T>.paginate(with: Pagination): PaginationResult<T> {
         size.toLong()
     )
 }
+
+fun <T> Iterable<T>.optionallyReverse(reverse: Boolean): Iterable<T> = when (this) {
+    is List<T> -> optionallyReverse(reverse)
+    is Set<T> -> optionallyReverse(reverse)
+    else -> if (reverse) {
+        reversed()
+    } else {
+        this
+    }
+}
+fun <T> List<T>.optionallyReverse(reverse: Boolean): List<T> = if (reverse) {
+    reversed()
+} else {
+    this
+}
+fun <T> Set<T>.optionallyReverse(reverse: Boolean): Set<T> = if (reverse) {
+    reversed().toSet()
+} else {
+    this
+}
+
+inline fun <reified T> Array<T>.optionallyReverse(reverse: Boolean) = if (reverse) {
+    Array(size) {
+        get(lastIndex - it)
+    }
+} else {
+    this
+}

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]
  */
@@ -26,3 +26,15 @@ fun Pagination.reverse(datasetSize: Long): SimplePagination {
  * Shortcut for [reverse]
  */
 fun Pagination.reverse(objectsCount: Int) = reverse(objectsCount.toLong())
+
+fun Pagination.optionallyReverse(objectsCount: Int, reverse: Boolean) = if (reverse) {
+    reverse(objectsCount)
+} else {
+    this
+}
+
+fun Pagination.optionallyReverse(objectsCount: Long, reverse: Boolean) = if (reverse) {
+    reverse(objectsCount)
+} else {
+    this
+}

pagination/exposed/build.gradle

@@ -14,7 +14,7 @@ kotlin {
         }
         jvmMain {
             dependencies {
-                api "org.jetbrains.exposed:exposed-core:$kotlin_exposed_version"
+                api libs.jb.exposed
             }
         }
     }

pagination/ktor/server/build.gradle

@@ -15,8 +15,8 @@ kotlin {
 
         jvmMain {
             dependencies {
-                api "io.ktor:ktor-server:$ktor_version"
-                api "io.ktor:ktor-server-host-common:$ktor_version"
+                api libs.ktor.server
+                api libs.ktor.server.host.common
             }
         }
     }

publish.gradle

@@ -1,5 +1,4 @@
 apply plugin: 'maven-publish'
-apply plugin: 'signing'
 
 task javadocsJar(type: Jar) {
     classifier = 'javadoc'
@@ -69,8 +68,19 @@ publishing {
         }
     }
 }
-
-signing {
-    useGpgCmd()
-    sign publishing.publications
+    
+if (project.hasProperty("signing.gnupg.keyName")) {
+    apply plugin: 'signing'
+    
+    signing {
+        useGpgCmd()
+    
+        sign publishing.publications
+    }
+    
+    task signAll {
+        tasks.withType(Sign).forEach {
+            dependsOn(it)
+        }
+    }
 }

publish.kpsb

@@ -1 +1 @@
-{"licenses":[{"id":"Apache-2.0","title":"Apache Software License 2.0","url":"https://github.com/InsanusMokrassar/MicroUtils/blob/master/LICENSE"}],"mavenConfig":{"name":"${project.name}","description":"It is set of projects with micro tools for avoiding of routines coding","url":"https://github.com/InsanusMokrassar/MicroUtils/","vcsUrl":"https://github.com/InsanusMokrassar/MicroUtils.git","includeGpgSigning":true,"developers":[{"id":"InsanusMokrassar","name":"Aleksei Ovsiannikov","eMail":"ovsyannikov.alexey95@gmail.com"},{"id":"000Sanya","name":"Syrov Aleksandr","eMail":"000sanya.000sanya@gmail.com"}],"repositories":[{"name":"GithubPackages","url":"https://maven.pkg.github.com/InsanusMokrassar/MicroUtils"},{"name":"sonatype","url":"https://oss.sonatype.org/service/local/staging/deploy/maven2/"}]}}
+{"licenses":[{"id":"Apache-2.0","title":"Apache Software License 2.0","url":"https://github.com/InsanusMokrassar/MicroUtils/blob/master/LICENSE"}],"mavenConfig":{"name":"${project.name}","description":"It is set of projects with micro tools for avoiding of routines coding","url":"https://github.com/InsanusMokrassar/MicroUtils/","vcsUrl":"https://github.com/InsanusMokrassar/MicroUtils.git","developers":[{"id":"InsanusMokrassar","name":"Aleksei Ovsiannikov","eMail":"ovsyannikov.alexey95@gmail.com"},{"id":"000Sanya","name":"Syrov Aleksandr","eMail":"000sanya.000sanya@gmail.com"}],"repositories":[{"name":"GithubPackages","url":"https://maven.pkg.github.com/InsanusMokrassar/MicroUtils"},{"name":"sonatype","url":"https://oss.sonatype.org/service/local/staging/deploy/maven2/"}],"gpgSigning":{"type":"dev.inmo.kmppscriptbuilder.core.models.GpgSigning.Optional"}}}

repos/common/build.gradle

@@ -10,10 +10,10 @@ kotlin {
     sourceSets {
         commonMain {
             dependencies {
-                api "org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlin_coroutines_version"
+                api libs.kt.coroutines
                 api internalProject("micro_utils.pagination.common")
 
-                api "com.benasher44:uuid:$uuidVersion"
+                api libs.uuid
             }
         }
 
@@ -24,7 +24,7 @@ kotlin {
         }
         androidMain {
             dependencies {
-                api "androidx.core:core-ktx:$core_ktx_version"
+                api libs.android.coreKtx
                 api internalProject("micro_utils.common")
                 api internalProject("micro_utils.coroutines")
             }

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/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/AbstractMutableAndroidCRUDRepo.kt

@@ -6,13 +6,15 @@ import dev.inmo.micro_utils.repos.*
 import kotlinx.coroutines.flow.*
 
 abstract class AbstractMutableAndroidCRUDRepo<ObjectType, IdType, InputValueType>(
-    helper: StandardSQLHelper
+    helper: StandardSQLHelper,
+    replyInFlows: Int = 0,
+    extraBufferCapacityInFlows: Int = 64
 ) : WriteStandardCRUDRepo<ObjectType, IdType, InputValueType>,
     AbstractAndroidCRUDRepo<ObjectType, IdType>(helper),
     StandardCRUDRepo<ObjectType, IdType, InputValueType> {
-    protected val newObjectsChannel = MutableSharedFlow<ObjectType>(64)
-    protected val updateObjectsChannel = MutableSharedFlow<ObjectType>(64)
-    protected val deleteObjectsIdsChannel = MutableSharedFlow<IdType>(64)
+    protected val newObjectsChannel = MutableSharedFlow<ObjectType>(replyInFlows, extraBufferCapacityInFlows)
+    protected val updateObjectsChannel = MutableSharedFlow<ObjectType>(replyInFlows, extraBufferCapacityInFlows)
+    protected val deleteObjectsIdsChannel = MutableSharedFlow<IdType>(replyInFlows, extraBufferCapacityInFlows)
     override val newObjectsFlow: Flow<ObjectType> = newObjectsChannel.asSharedFlow()
     override val updatedObjectsFlow: Flow<ObjectType> = updateObjectsChannel.asSharedFlow()
     override val deletedObjectsIdsFlow: Flow<IdType> = deleteObjectsIdsChannel.asSharedFlow()
@@ -102,4 +104,4 @@ abstract class AbstractMutableAndroidCRUDRepo<ObjectType, IdType, InputValueType
     }
 
     override suspend fun count(): Long = helper.blockingReadableTransaction { select(tableName).use { it.count.toLong() } }
-}
+}

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

@@ -143,7 +143,12 @@ 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/exposed/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/exposed/AbstractExposedWriteCRUDRepo.kt

@@ -10,19 +10,26 @@ import org.jetbrains.exposed.sql.transactions.transaction
 
 abstract class AbstractExposedWriteCRUDRepo<ObjectType, IdType, InputValueType>(
     flowsChannelsSize: Int = 0,
-    tableName: String = ""
+    tableName: String = "",
+    replyCacheInFlows: Int = 0
 ) :
     AbstractExposedReadCRUDRepo<ObjectType, IdType>(tableName),
     ExposedCRUDRepo<ObjectType, IdType>,
     WriteStandardCRUDRepo<ObjectType, IdType, InputValueType>
 {
-    protected val newObjectsChannel = MutableSharedFlow<ObjectType>(flowsChannelsSize)
-    protected val updateObjectsChannel = MutableSharedFlow<ObjectType>(flowsChannelsSize)
-    protected val deleteObjectsIdsChannel = MutableSharedFlow<IdType>(flowsChannelsSize)
+    protected val _newObjectsFlow = MutableSharedFlow<ObjectType>(replyCacheInFlows, flowsChannelsSize)
+    protected val _updatedObjectsFlow = MutableSharedFlow<ObjectType>(replyCacheInFlows, flowsChannelsSize)
+    protected val _deletedObjectsIdsFlow = MutableSharedFlow<IdType>(replyCacheInFlows, flowsChannelsSize)
+    @Deprecated("Renamed", ReplaceWith("_newObjectsFlow"))
+    protected val newObjectsChannel = _newObjectsFlow
+    @Deprecated("Renamed", ReplaceWith("_updatedObjectsFlow"))
+    protected val updateObjectsChannel = _updatedObjectsFlow
+    @Deprecated("Renamed", ReplaceWith("_deletedObjectsIdsFlow"))
+    protected val deleteObjectsIdsChannel = _deletedObjectsIdsFlow
 
-    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>
@@ -42,7 +49,7 @@ abstract class AbstractExposedWriteCRUDRepo<ObjectType, IdType, InputValueType>(
         return transaction(db = database) {
             values.map { value -> createWithoutNotification(value) }
         }.onEach {
-            newObjectsChannel.emit(it)
+            _newObjectsFlow.emit(it)
         }
     }
 
@@ -73,7 +80,7 @@ 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)
             }
         }
     }
@@ -84,16 +91,25 @@ 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/keyvalue/ExposedKeyValueRepo.kt

@@ -19,8 +19,8 @@ open class ExposedKeyValueRepo<Key, Value>(
     valueColumnAllocator,
     tableName
 ) {
-    private val _onNewValue = MutableSharedFlow<Pair<Key, Value>>()
-    private val _onValueRemoved = MutableSharedFlow<Key>()
+    protected val _onNewValue = MutableSharedFlow<Pair<Key, Value>>()
+    protected val _onValueRemoved = MutableSharedFlow<Key>()
 
     override val onNewValue: Flow<Pair<Key, Value>> = _onNewValue.asSharedFlow()
     override val onValueRemoved: Flow<Key> = _onValueRemoved.asSharedFlow()