update klock (again)

0.9.9

CHANGELOG.md

@@ -1,5 +1,63 @@
 # Changelog
 
+## 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`:

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

@@ -153,3 +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

@@ -6,7 +6,7 @@ import kotlinx.serialization.descriptors.*
 import kotlinx.serialization.encoding.*
 
 /**
- * Realization of this interface will contains at least one not null - [t1] or [t2]
+ * Realization of this interface will contains at least one not null - [optionalT1] or [optionalT2]
  *
  * @see EitherFirst
  * @see EitherSecond
@@ -14,11 +14,19 @@ import kotlinx.serialization.encoding.*
  * @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(
@@ -93,25 +101,25 @@ class EitherSerializer<T1, T2>(
 }
 
 /**
- * This type [Either] will always have not nullable [t1]
+ * This type [Either] will always have not nullable [optionalT1]
  */
 @Serializable
 data class EitherFirst<T1, T2>(
     override val t1: T1
 ) : Either<T1, T2> {
-    override val t2: T2?
+    override val optionalT1: Optional<T1> = t1.optional
-        get() = null
+    override val optionalT2: Optional<T2> = Optional.absent()
 }
 
 /**
- * This type [Either] will always have not nullable [t2]
+ * This type [Either] will always have not nullable [optionalT2]
  */
 @Serializable
 data class EitherSecond<T1, T2>(
     override val t2: T2
 ) : Either<T1, T2> {
-    override val t1: T1?
+    override val optionalT1: Optional<T1> = Optional.absent()
-        get() = null
+    override val optionalT2: Optional<T2> = t2.optional
 }
 
 /**
@@ -124,23 +132,35 @@ inline fun <T1, T2> Either.Companion.first(t1: T1): Either<T1, T2> = EitherFirst
 inline fun <T1, T2> Either.Companion.second(t2: T2): Either<T1, T2> = EitherSecond(t2)
 
 /**
- * Will call [block] in case when [Either.t1] of [this] is not null
+ * Will call [block] in case when [this] is [EitherFirst]
  */
 inline fun <T1, T2, E : Either<T1, T2>> E.onFirst(block: (T1) -> Unit): E {
-    val t1 = t1
+    optionalT1.onPresented(block)
-    t1 ?.let(block)
     return this
 }
 
 /**
- * Will call [block] in case when [Either.t2] of [this] is not null
+ * Will call [block] in case when [this] is [EitherSecond]
  */
 inline fun <T1, T2, E : Either<T1, T2>> E.onSecond(block: (T2) -> Unit): E {
-    val t2 = t2
+    optionalT2.onPresented(block)
-    t2 ?.let(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)

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/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)
+}

gradle.properties

@@ -10,11 +10,11 @@ org.gradle.jvmargs=-Xmx2g
 kotlin_version=1.6.10
 kotlin_coroutines_version=1.6.0
 kotlin_serialisation_core_version=1.3.2
-kotlin_exposed_version=0.37.2
+kotlin_exposed_version=0.37.3
 
 ktor_version=1.6.7
 
-klockVersion=2.4.12
+klockVersion=2.6.1
 
 github_release_plugin_version=2.2.12
 
@@ -24,7 +24,7 @@ uuidVersion=0.4.0
 
 core_ktx_version=1.7.0
 androidx_recycler_version=1.2.1
-appcompat_version=1.4.0
+appcompat_version=1.4.1
 
 android_minSdkVersion=19
 android_compileSdkVersion=32
@@ -40,10 +40,10 @@ crypto_js_version=4.1.1
 
 # Dokka
 
-dokka_version=1.6.0
+dokka_version=1.6.10
 
 # Project data
 
 group=dev.inmo
-version=0.9.3
+version=0.9.10
-android_code_version=93
+android_code_version=100

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-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

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/StandardHttpClientGetPost.kt

@@ -85,9 +85,16 @@ class UnifiedRequester(
 
     fun <T> createStandardWebsocketFlow(
         url: String,
-        checkReconnection: (Throwable?) -> Boolean = { true },
+        checkReconnection: (Throwable?) -> Boolean,
-        deserializer: DeserializationStrategy<T>
+        deserializer: DeserializationStrategy<T>,
-    ) = client.createStandardWebsocketFlow(url, checkReconnection, deserializer, serialFormat)
+        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()

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
+    flow,
-) {
+    protocol,
-    serialFormat.encodeDefault(serializer, it)
+    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

@@ -5,8 +5,7 @@ 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.*
-import io.ktor.http.HttpStatusCode
 import io.ktor.http.content.PartData
 import io.ktor.http.content.forEachPart
 import io.ktor.request.receive
@@ -18,6 +17,7 @@ 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
@@ -30,8 +30,10 @@ class UnifiedRouter(
     fun <T> Route.includeWebsocketHandling(
         suburl: String,
         flow: Flow<T>,
-        serializer: SerializationStrategy<T>
+        serializer: SerializationStrategy<T>,
-    ) = includeWebsocketHandling(suburl, flow, serializer, serialFormat)
+        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>,

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

@@ -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
+}

repos/exposed/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/exposed/onetomany/ExposedOneToManyKeyValueRepo.kt

@@ -35,10 +35,15 @@ open class ExposedOneToManyKeyValueRepo<Key, Value>(
                     if (select { keyColumn.eq(k).and(valueColumn.eq(v)) }.limit(1).count() > 0) {
                         return@mapNotNull null
                     }
-                    insertIgnore {
+                    val insertResult = insert {
                         it[keyColumn] = k
                         it[valueColumn] = v
-                    }.getOrNull(keyColumn) ?.let { k to v }
+                    }
+                    if (insertResult.insertedCount > 0) {
+                        k to v
+                    } else {
+                        null
+                    }
                 } ?: emptyList()
             }
         }.forEach { _onNewValue.emit(it) }
@@ -48,7 +53,7 @@ open class ExposedOneToManyKeyValueRepo<Key, Value>(
         transaction(database) {
             toRemove.keys.flatMap { k ->
                 toRemove[k] ?.mapNotNull { v ->
-                    if (deleteIgnoreWhere { keyColumn.eq(k).and(valueColumn.eq(v)) } > 0 ) {
+                    if (deleteWhere { keyColumn.eq(k).and(valueColumn.eq(v)) } > 0 ) {
                         k to v
                     } else {
                         null