Update build.gradle

0.4.4

.travis.yml

@@ -22,5 +22,6 @@ jobs:
   include:
     - stage: build
       script: ./gradlew build -s -x jvmTest -x jsIrTest -x jsIrBrowserTest -x jsIrNodeTest -x jsLegacyTest -x jsLegacyBrowserTest -x jsLegacyNodeTest
-    - state: test
+#    Tests are temporarily disabled on public travis due to the problems of launching
-      script: ./gradlew allTests
+#    - state: test
+#      script: ./gradlew allTests

CHANGELOG.md

@@ -1,5 +1,45 @@
 # Changelog
 
+## 0.4.5
+
+* `Android`
+    * `Alerts`
+        * `Common`
+            * Project has been created
+        * `RecyclerView`
+            * Project has been created
+* `Common`
+    * Annotation `PreviewFeature` has been added
+    * `Android`
+        * Added tools to work with visibility in more comfortable way
+        * Added tools to work with disabled/enabled state in more comfortable way
+        * Added tools to work with expanded/collapsed state in more comfortable way (in preview mode)
+
+## 0.4.4
+
+* `Versions`:
+    * `Klock`: `1.12.1` -> `2.0.0`
+* `Commons`:
+    * Update left items functionality to include work with `GridLayoutManager`
+* `Repos`:
+    * Add interface `VersionsRepo`
+        * Add default realization of `VersionsRepo` named `StandardVersionsRepo` which use `StandardVersionsRepoProxy`
+        to get access to some end-store
+        * Add default realization of `StandardVersionsRepoProxy` based on `KeyValue` repos
+        * Add realizations of `StandardVersionsRepoProxy` for exposed and android (`SQL` and `SharedPreferences`)
+    * `Commons`:
+        * In Android fully reworked transactions functions
+        * Now `DatabaseCoroutineContext` is a shortcut for `Dispatchers.IO`
+
+## 0.4.3
+
+* `Versions`:
+    * `Kotlin`: `1.4.10` -> `1.4.20`
+* `Common`:
+    * Two new extensions for Android:
+        * `Resources#getSp`
+        * `Resources#getDp`
+
 ## 0.4.2
 
 * `Repos`:

android/alerts/common/build.gradle

@@ -0,0 +1,17 @@
+plugins {
+    id "org.jetbrains.kotlin.multiplatform"
+    id "org.jetbrains.kotlin.plugin.serialization"
+    id "com.android.library"
+}
+
+apply from: "$mppAndroidProjectPresetPath"
+
+kotlin {
+    sourceSets {
+        androidMain {
+            dependencies {
+                api "androidx.appcompat:appcompat-resources:$appcompat_version"
+            }
+        }
+    }
+}

android/alerts/common/src/main/AndroidManifest.xml

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

android/alerts/common/src/main/kotlin/dev/inmo/micro_utils/android/alerts/common/AlertDialog.kt

@@ -0,0 +1,55 @@
+@file:Suppress("NOTHING_TO_INLINE", "unused")
+
+package dev.inmo.micro_utils.android.alerts.common
+
+import android.app.AlertDialog
+import android.content.Context
+import android.content.DialogInterface
+
+typealias AlertDialogCallback = (DialogInterface) -> Unit
+
+inline fun Context.createAlertDialogTemplate(
+    title: String? = null,
+    positivePair: Pair<String, AlertDialogCallback?>? = null,
+    neutralPair: Pair<String, AlertDialogCallback?>? = null,
+    negativePair: Pair<String, AlertDialogCallback?>? = null
+): AlertDialog.Builder {
+    val builder = AlertDialog.Builder(this)
+
+    title ?.let {
+        builder.setTitle(title)
+    }
+
+    positivePair ?. let {
+        builder.setPositiveButton(it.first) { di, _ -> it.second ?. invoke(di) }
+    }
+    negativePair ?. let {
+        builder.setNegativeButton(it.first) { di, _ -> it.second ?. invoke(di) }
+    }
+    neutralPair ?. let {
+        builder.setNeutralButton(it.first) { di, _ -> it.second ?. invoke(di) }
+    }
+
+    return builder
+}
+
+inline fun Context.createAlertDialogTemplateWithResources(
+    title: Int? = null,
+    positivePair: Pair<Int, AlertDialogCallback?>? = null,
+    neutralPair: Pair<Int, AlertDialogCallback?>? = null,
+    negativePair: Pair<Int, AlertDialogCallback?>? = null
+): AlertDialog.Builder = createAlertDialogTemplate(
+    title ?.let { getString(it) },
+    positivePair ?.let { getString(it.first) to it.second },
+    neutralPair ?.let { getString(it.first) to it.second },
+    negativePair ?.let { getString(it.first) to it.second }
+)
+
+inline fun AlertDialog.setDismissChecker(noinline checker: () -> Boolean) : AlertDialog {
+    setOnDismissListener {
+        if (!checker()) {
+            show()
+        }
+    }
+    return this
+}

android/alerts/common/src/main/kotlin/dev/inmo/micro_utils/android/alerts/common/CustomAlertDialog.kt

@@ -0,0 +1,38 @@
+@file:Suppress("NOTHING_TO_INLINE", "unused")
+
+package dev.inmo.micro_utils.android.alerts.common
+
+import android.app.AlertDialog
+import android.content.Context
+import android.view.View
+
+inline fun <T: View> Context.createCustomViewAlertDialog(
+    title: String? = null,
+    positivePair: Pair<String, AlertDialogCallback?>? = null,
+    neutralPair: Pair<String, AlertDialogCallback?>? = null,
+    negativePair: Pair<String, AlertDialogCallback?>? = null,
+    show: Boolean = true,
+    viewCreator: (Context) -> T
+): AlertDialog = createAlertDialogTemplate(
+    title, positivePair, neutralPair, negativePair
+).apply {
+    setView(viewCreator(this@createCustomViewAlertDialog))
+}.create().apply {
+    if (show) show()
+}
+
+inline fun <T: View> Context.createCustomViewAlertDialogWithResources(
+    title: Int? = null,
+    positivePair: Pair<Int, AlertDialogCallback?>? = null,
+    neutralPair: Pair<Int, AlertDialogCallback?>? = null,
+    negativePair: Pair<Int, AlertDialogCallback?>? = null,
+    show: Boolean = true,
+    viewCreator: (Context) -> T
+): AlertDialog = createCustomViewAlertDialog(
+    title ?.let { getString(it) },
+    positivePair ?.let { getString(it.first) to it.second },
+    neutralPair ?.let { getString(it.first) to it.second },
+    negativePair ?.let { getString(it.first) to it.second },
+    show,
+    viewCreator
+)

android/alerts/common/src/main/kotlin/dev/inmo/micro_utils/android/alerts/common/SimpleTextAlert.kt

@@ -0,0 +1,45 @@
+@file:Suppress("NOTHING_TO_INLINE", "unused")
+
+package dev.inmo.micro_utils.android.alerts.common
+
+import android.app.AlertDialog
+import android.content.Context
+import androidx.annotation.StringRes
+
+inline fun Context.createSimpleTextAlertDialog(
+    text: String,
+    title: String? = null,
+    positivePair: Pair<String, AlertDialogCallback?>? = null,
+    neutralPair: Pair<String, AlertDialogCallback?>? = null,
+    negativePair: Pair<String, AlertDialogCallback?>? = null,
+    show: Boolean = true
+): AlertDialog = createAlertDialogTemplate(
+    title,
+    positivePair,
+    neutralPair,
+    negativePair
+).apply {
+    setMessage(text)
+}.create().apply {
+    if (show) {
+        show()
+    }
+}
+
+inline fun Context.createSimpleTextAlertDialog(
+    @StringRes
+    text: Int,
+    @StringRes
+    title: Int? = null,
+    positivePair: Pair<Int, AlertDialogCallback?>? = null,
+    neutralPair: Pair<Int, AlertDialogCallback?>? = null,
+    negativePair: Pair<Int, AlertDialogCallback?>? = null,
+    show: Boolean = true
+): AlertDialog = createSimpleTextAlertDialog(
+    getString(text),
+    title ?.let { getString(it) },
+    positivePair ?.let { getString(it.first) to it.second },
+    neutralPair ?.let { getString(it.first) to it.second },
+    negativePair ?.let { getString(it.first) to it.second },
+    show
+)

android/alerts/recyclerview/build.gradle

@@ -0,0 +1,18 @@
+plugins {
+    id "org.jetbrains.kotlin.multiplatform"
+    id "org.jetbrains.kotlin.plugin.serialization"
+    id "com.android.library"
+}
+
+apply from: "$mppAndroidProjectPresetPath"
+
+kotlin {
+    sourceSets {
+        commonMain {
+            dependencies {
+                api internalProject("micro_utils.android.alerts.common")
+                api internalProject("micro_utils.android.recyclerview")
+            }
+        }
+    }
+}

android/alerts/recyclerview/src/main/AndroidManifest.xml

@@ -0,0 +1 @@
+<manifest package="dev.inmo.micro_utils.android.alerts.recyclerview"/>

android/alerts/recyclerview/src/main/kotlin/dev/inmo/micro_utils/android/alerts/recyclerview/ActionsAlerts.kt

@@ -0,0 +1,65 @@
+@file:Suppress("unused")
+
+package dev.inmo.micro_utils.android.alerts.recyclerview
+
+import android.app.AlertDialog
+import android.content.Context
+import android.content.DialogInterface
+import android.view.ViewGroup
+import android.widget.TextView
+import dev.inmo.micro_utils.android.alerts.common.AlertDialogCallback
+import dev.inmo.micro_utils.android.recyclerview.*
+
+data class AlertAction(
+    val title: String,
+    val callback: (DialogInterface) -> Unit
+)
+
+private class ActionViewHolder(
+    container: ViewGroup, dialogInterfaceGetter: () -> DialogInterface
+) : AbstractStandardViewHolder<AlertAction>(container, android.R.layout.simple_list_item_1) {
+    private lateinit var action: AlertAction
+    private val textView: TextView
+        get() = itemView.findViewById(android.R.id.text1)
+
+    init {
+        itemView.setOnClickListener {
+            action.callback(dialogInterfaceGetter())
+        }
+    }
+
+    override fun onBind(item: AlertAction) {
+        action = item
+        textView.text = item.title
+    }
+}
+
+private class ActionsRecyclerViewAdapter(
+    data: List<AlertAction>,
+    private val dialogInterfaceGetter: () -> DialogInterface
+) : RecyclerViewAdapter<AlertAction>(data) {
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): AbstractViewHolder<AlertAction> = ActionViewHolder(
+        parent, dialogInterfaceGetter
+    )
+}
+
+fun Context.createActionsAlertDialog(
+    actions: List<AlertAction>,
+    title: Int? = null,
+    positivePair: Pair<Int, AlertDialogCallback?>? = null,
+    neutralPair: Pair<Int, AlertDialogCallback?>? = null,
+    negativePair: Pair<Int, AlertDialogCallback?>? = null,
+    show: Boolean = true
+): AlertDialog {
+    lateinit var dialogInterface: DialogInterface
+
+    return createRecyclerViewDialog(
+        title, positivePair, neutralPair, negativePair, show
+    ) {
+        ActionsRecyclerViewAdapter(
+            actions
+        ) {
+            dialogInterface
+        }
+    }.also { dialogInterface = it }
+}

android/alerts/recyclerview/src/main/kotlin/dev/inmo/micro_utils/android/alerts/recyclerview/RecyclerViewDialog.kt

@@ -0,0 +1,43 @@
+package dev.inmo.micro_utils.android.alerts.recyclerview
+
+import android.app.AlertDialog
+import android.content.Context
+import android.widget.LinearLayout
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import dev.inmo.micro_utils.android.alerts.common.AlertDialogCallback
+import dev.inmo.micro_utils.android.alerts.common.createCustomViewAlertDialogWithResources
+
+fun Context.createRecyclerViewDialog(
+    title: Int? = null,
+    positivePair: Pair<Int, AlertDialogCallback?>? = null,
+    neutralPair: Pair<Int, AlertDialogCallback?>? = null,
+    negativePair: Pair<Int, AlertDialogCallback?>? = null,
+    show: Boolean = true,
+    layoutManager: RecyclerView.LayoutManager = LinearLayoutManager(this),
+    marginOfRecyclerView: Int = 8, // dp
+    recyclerViewSetUp: RecyclerView.() -> Unit = {},
+    adapterFactory: () -> RecyclerView.Adapter<*>
+): AlertDialog {
+    val recyclerView = RecyclerView(this).apply {
+        layoutParams = LinearLayout.LayoutParams(
+            LinearLayout.LayoutParams.MATCH_PARENT,
+            LinearLayout.LayoutParams.WRAP_CONTENT
+        ).apply {
+            setMargins(marginOfRecyclerView, marginOfRecyclerView, marginOfRecyclerView, marginOfRecyclerView)
+        }
+        this.layoutManager = layoutManager
+        adapter = adapterFactory()
+        recyclerViewSetUp()
+    }
+
+    return createCustomViewAlertDialogWithResources(
+        title,
+        positivePair,
+        neutralPair,
+        negativePair,
+        show
+    ) {
+        recyclerView
+    }
+}

android/recyclerview/build.gradle

@@ -2,7 +2,6 @@ plugins {
     id "org.jetbrains.kotlin.multiplatform"
     id "org.jetbrains.kotlin.plugin.serialization"
     id "com.android.library"
-    id "kotlin-android-extensions"
 }
 
 apply from: "$mppAndroidProjectPresetPath"

android/recyclerview/src/main/kotlin/dev/inmo/micro_utils/android/recyclerview/LeftItems.kt

@@ -1,14 +1,20 @@
 package dev.inmo.micro_utils.android.recyclerview
 
-import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.*
-import androidx.recyclerview.widget.RecyclerView
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.flow.*
 
+@Suppress("NOTHING_TO_INLINE")
+private inline fun RecyclerView.LayoutManager.findLastVisibleItemPositionGetter(): (() -> Int)? = when (this) {
+    is LinearLayoutManager -> ::findLastVisibleItemPosition
+    is GridLayoutManager -> ::findLastVisibleItemPosition
+    else -> null
+}
+
 fun RecyclerView.lastVisibleItemFlow(
     completingScope: CoroutineScope
 ): Flow<Int> {
-    val lastVisibleElementFun: () -> Int = (layoutManager as? LinearLayoutManager) ?.let { it::findLastVisibleItemPosition } ?: error("Currently supported only linear layout manager")
+    val lastVisibleElementFun: () -> Int = layoutManager ?.findLastVisibleItemPositionGetter() ?: error("Currently supported only linear and grid layout manager")
     val lastVisibleFlow = MutableStateFlow(lastVisibleElementFun())
     addOnScrollListener(
         object : RecyclerView.OnScrollListener() {

build.gradle

@@ -8,10 +8,9 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.0.0'
+        classpath 'com.android.tools.build:gradle:4.0.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath "org.jetbrains.kotlin:kotlin-serialization:$kotlin_version"
-        classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:$gradle_bintray_plugin_version"
         classpath "com.getkeepsafe.dexcount:dexcount-gradle-plugin:$dexcount_version"
         classpath "com.github.breadmoirai:github-release:$github_release_plugin_version"
         classpath "org.jetbrains.dokka:dokka-gradle-plugin:$dokka_version"

common/build.gradle

@@ -2,7 +2,6 @@ plugins {
     id "org.jetbrains.kotlin.multiplatform"
     id "org.jetbrains.kotlin.plugin.serialization"
     id "com.android.library"
-    id "kotlin-android-extensions"
 }
 
 apply from: "$mppProjectWithSerializationPresetPath"

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

@@ -0,0 +1,19 @@
+package dev.inmo.micro_utils.common
+
+@RequiresOptIn(
+    "It is possible, that behaviour of this thing will be changed or removed in future releases",
+    RequiresOptIn.Level.WARNING
+)
+@Target(
+    AnnotationTarget.CLASS,
+    AnnotationTarget.CONSTRUCTOR,
+    AnnotationTarget.FIELD,
+    AnnotationTarget.PROPERTY,
+    AnnotationTarget.PROPERTY_GETTER,
+    AnnotationTarget.PROPERTY_SETTER,
+    AnnotationTarget.FUNCTION,
+    AnnotationTarget.TYPE,
+    AnnotationTarget.TYPEALIAS,
+    AnnotationTarget.TYPE_PARAMETER
+)
+annotation class PreviewFeature

common/src/main/kotlin/dev/inmo/micro_utils/common/Dimensions.kt

@@ -0,0 +1,13 @@
+@file:Suppress("NOTHING_TO_INLINE")
+
+package dev.inmo.micro_utils.common
+
+import android.content.res.Resources
+
+inline fun Resources.getSp(
+    resId: Int
+) = getDimension(resId) / displayMetrics.scaledDensity
+
+inline fun Resources.getDp(
+    resId: Int
+) = getDimension(resId) * displayMetrics.density

common/src/main/kotlin/dev/inmo/micro_utils/common/ExpandCollapse.kt

@@ -0,0 +1,76 @@
+package dev.inmo.micro_utils.common
+
+import android.view.View
+import android.view.ViewGroup
+import android.view.animation.Animation
+import android.view.animation.Transformation
+
+@PreviewFeature
+fun View.expand(
+    duration: Long = 500,
+    targetWidth: Int = ViewGroup.LayoutParams.MATCH_PARENT,
+    targetHeight: Int = ViewGroup.LayoutParams.WRAP_CONTENT
+) {
+    measure(targetWidth, targetHeight)
+    val measuredHeight: Int = measuredHeight
+    layoutParams.height = 0
+    visibility = View.VISIBLE
+    val a: Animation = object : Animation() {
+        override fun applyTransformation(interpolatedTime: Float, t: Transformation?) {
+            super.applyTransformation(interpolatedTime, t)
+            layoutParams.height = if (interpolatedTime == 1f) targetHeight else (measuredHeight * interpolatedTime).toInt()
+            requestLayout()
+        }
+
+        override fun willChangeBounds(): Boolean {
+            return true
+        }
+    }
+
+    a.duration = duration
+
+    startAnimation(a)
+}
+
+@PreviewFeature
+fun View.collapse(duration: Long = 500) {
+    val initialHeight: Int = measuredHeight
+    val a: Animation = object : Animation() {
+        override fun applyTransformation(interpolatedTime: Float, t: Transformation?) {
+            if (interpolatedTime == 1f) {
+                visibility = View.GONE
+            } else {
+                layoutParams.height = initialHeight - (initialHeight * interpolatedTime).toInt()
+                requestLayout()
+            }
+        }
+
+        override fun willChangeBounds(): Boolean {
+            return true
+        }
+    }
+
+    a.duration = duration
+
+    startAnimation(a)
+}
+
+@PreviewFeature
+inline val View.isCollapsed
+    get() = visibility == View.GONE
+
+@PreviewFeature
+inline val View.isExpanded
+    get() = !isCollapsed
+
+/**
+ * @return true in case of expanding
+ */
+@PreviewFeature
+fun View.toggleExpandState(duration: Long = 500): Boolean = if (isCollapsed) {
+    expand(duration)
+    true
+} else {
+    collapse(duration)
+    false
+}

common/src/main/kotlin/dev/inmo/micro_utils/common/ViewDisable.kt

@@ -0,0 +1,34 @@
+@file:Suppress("NOTHING_TO_INLINE", "unused")
+
+package dev.inmo.micro_utils.common
+
+import android.view.View
+import android.view.ViewGroup
+
+inline val View.enabled
+    get() = isEnabled
+
+inline val View.disabled
+    get() = !enabled
+
+fun View.disable() {
+    if (this is ViewGroup) {
+        (0 until childCount).forEach { getChildAt(it).disable() }
+    }
+    isEnabled = false
+}
+
+fun View.enable() {
+    if (this is ViewGroup) {
+        (0 until childCount).forEach { getChildAt(it).enable() }
+    }
+    isEnabled = true
+}
+
+fun View.toggleEnabledState(enabled: Boolean) {
+    if (enabled) {
+        enable()
+    } else {
+        disable()
+    }
+}

common/src/main/kotlin/dev/inmo/micro_utils/common/ViewVisibility.kt

@@ -0,0 +1,35 @@
+@file:Suppress("NOTHING_TO_INLINE", "unused")
+
+package dev.inmo.micro_utils.common
+
+import android.view.View
+
+inline val View.gone
+    get() = visibility == View.GONE
+inline fun View.gone() {
+    visibility = View.GONE
+}
+
+inline val View.hidden
+    get() = visibility == View.INVISIBLE
+inline fun View.hide() {
+    visibility = View.INVISIBLE
+}
+
+inline val View.shown
+    get() = visibility == View.VISIBLE
+inline fun View.show() {
+    visibility = View.VISIBLE
+}
+
+fun View.toggleVisibility(goneOnHide: Boolean = true) {
+    if (isShown) {
+        if (goneOnHide) {
+            gone()
+        } else {
+            hide()
+        }
+    } else {
+        show()
+    }
+}

coroutines/build.gradle

@@ -2,7 +2,6 @@ plugins {
     id "org.jetbrains.kotlin.multiplatform"
     id "org.jetbrains.kotlin.plugin.serialization"
     id "com.android.library"
-    id "kotlin-android-extensions"
 }
 
 apply from: "$mppProjectWithSerializationPresetPath"

dokka/build.gradle

@@ -2,7 +2,6 @@ plugins {
     id "org.jetbrains.kotlin.multiplatform"
     id "org.jetbrains.kotlin.plugin.serialization"
     id "com.android.library"
-    id "kotlin-android-extensions"
     id "org.jetbrains.dokka"
 }
 

gradle.properties

@@ -5,18 +5,17 @@ kotlin.incremental=true
 kotlin.incremental.js=true
 android.useAndroidX=true
 android.enableJetifier=true
-org.gradle.jvmargs=-Xmx3072m
+org.gradle.jvmargs=-Xmx2048m
 
-kotlin_version=1.4.10
+kotlin_version=1.4.20
 kotlin_coroutines_version=1.4.1
 kotlin_serialisation_core_version=1.0.1
 kotlin_exposed_version=0.28.1
 
 ktor_version=1.4.2
 
-klockVersion=1.12.1
+klockVersion=2.0.0
 
-gradle_bintray_plugin_version=1.8.5
 github_release_plugin_version=2.2.12
 
 uuidVersion=0.2.2
@@ -25,6 +24,7 @@ uuidVersion=0.2.2
 
 core_ktx_version=1.3.2
 androidx_recycler_version=1.1.0
+appcompat_version=1.2.0
 
 android_minSdkVersion=19
 android_compileSdkVersion=30
@@ -41,5 +41,5 @@ dokka_version=1.4.0
 # Project data
 
 group=dev.inmo
-version=0.4.2
+version=0.4.5
-android_code_version=6
+android_code_version=9

ktor/client/build.gradle

@@ -2,7 +2,6 @@ plugins {
     id "org.jetbrains.kotlin.multiplatform"
     id "org.jetbrains.kotlin.plugin.serialization"
     id "com.android.library"
-    id "kotlin-android-extensions"
 }
 
 apply from: "$mppProjectWithSerializationPresetPath"

ktor/common/build.gradle

@@ -2,7 +2,6 @@ plugins {
     id "org.jetbrains.kotlin.multiplatform"
     id "org.jetbrains.kotlin.plugin.serialization"
     id "com.android.library"
-    id "kotlin-android-extensions"
 }
 
 apply from: "$mppProjectWithSerializationPresetPath"

mime_types/build.gradle

@@ -2,7 +2,6 @@ plugins {
     id "org.jetbrains.kotlin.multiplatform"
     id "org.jetbrains.kotlin.plugin.serialization"
     id "com.android.library"
-    id "kotlin-android-extensions"
 }
 
 apply from: "$mppProjectWithSerializationPresetPath"

pagination/common/build.gradle

@@ -2,7 +2,6 @@ plugins {
     id "org.jetbrains.kotlin.multiplatform"
     id "org.jetbrains.kotlin.plugin.serialization"
     id "com.android.library"
-    id "kotlin-android-extensions"
 }
 
 apply from: "$mppProjectWithSerializationPresetPath"

pagination/ktor/common/build.gradle

@@ -2,7 +2,6 @@ plugins {
     id "org.jetbrains.kotlin.multiplatform"
     id "org.jetbrains.kotlin.plugin.serialization"
     id "com.android.library"
-    id "kotlin-android-extensions"
 }
 
 apply from: "$mppProjectWithSerializationPresetPath"

repos/common/build.gradle

@@ -2,7 +2,6 @@ plugins {
     id "org.jetbrains.kotlin.multiplatform"
     id "org.jetbrains.kotlin.plugin.serialization"
     id "com.android.library"
-    id "kotlin-android-extensions"
 }
 
 apply from: "$mppProjectWithSerializationPresetPath"

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

@@ -0,0 +1,13 @@
+package dev.inmo.micro_utils.repos.versions
+
+import dev.inmo.micro_utils.repos.StandardKeyValueRepo
+import dev.inmo.micro_utils.repos.set
+
+class KeyValueBasedVersionsRepoProxy<T>(
+    private val keyValueStore: StandardKeyValueRepo<String, Int>,
+    override val database: T
+) : StandardVersionsRepoProxy<T> {
+    override suspend fun getTableVersion(tableName: String): Int? = keyValueStore.get(tableName)
+
+    override suspend fun updateTableVersion(tableName: String, version: Int) { keyValueStore.set(tableName, version) }
+}

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

@@ -0,0 +1,36 @@
+package dev.inmo.micro_utils.repos.versions
+
+import dev.inmo.micro_utils.repos.Repo
+
+interface StandardVersionsRepoProxy<T> : Repo {
+    val database: T
+
+    suspend fun getTableVersion(tableName: String): Int?
+    suspend fun updateTableVersion(tableName: String, version: Int)
+}
+
+class StandardVersionsRepo<T>(
+    private val proxy: StandardVersionsRepoProxy<T>
+) : VersionsRepo<T> {
+    override suspend fun setTableVersion(
+        tableName: String,
+        version: Int,
+        onCreate: suspend T.() -> Unit,
+        onUpdate: suspend T.(from: Int, to: Int) -> Unit
+    ) {
+        var savedVersion = proxy.getTableVersion(tableName)
+        if (savedVersion == null) {
+            proxy.database.onCreate()
+            proxy.updateTableVersion(tableName, version)
+        } else {
+            while (savedVersion != null && savedVersion < version) {
+                val newVersion = savedVersion + 1
+
+                proxy.database.onUpdate(savedVersion, newVersion)
+
+                proxy.updateTableVersion(tableName, newVersion)
+                savedVersion = newVersion
+            }
+        }
+    }
+}

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

@@ -0,0 +1,31 @@
+package dev.inmo.micro_utils.repos.versions
+
+import dev.inmo.micro_utils.repos.Repo
+
+/**
+ * This interface has been created due to requirement to work with different versions of databases and make some
+ * migrations between versions
+ *
+ * @param T It is a type of database, which will be used by this repo to retrieve current table version and update it
+ */
+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]
+     *
+     * @param version Current version of table
+     * @param onCreate This callback will be called in case when table 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"
+     */
+    suspend fun setTableVersion(
+        tableName: String,
+        version: Int,
+        onCreate: suspend T.() -> Unit = {},
+        onUpdate: suspend T.(from: Int, to: Int) -> Unit = { _, _ ->}
+    )
+}

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

@@ -1,6 +1,6 @@
 package dev.inmo.micro_utils.repos
 
-import kotlinx.coroutines.newSingleThreadContext
+import kotlinx.coroutines.Dispatchers
 import kotlin.coroutines.CoroutineContext
 
-val DatabaseCoroutineContext: CoroutineContext = newSingleThreadContext("db-context")
+val DatabaseCoroutineContext: CoroutineContext = Dispatchers.IO

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

@@ -2,15 +2,58 @@ package dev.inmo.micro_utils.repos
 
 import android.database.sqlite.SQLiteDatabase
 import dev.inmo.micro_utils.coroutines.safely
-import kotlinx.coroutines.withContext
+import kotlinx.coroutines.*
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+import java.util.concurrent.Executors
+import kotlin.coroutines.CoroutineContext
+import kotlin.coroutines.coroutineContext
+
+private object ContextsPool {
+    private val contexts = mutableListOf<CoroutineContext>()
+    private val mutex = Mutex(locked = false)
+    private val freeContexts = mutableListOf<CoroutineContext>()
+
+    suspend fun acquireContext(): CoroutineContext {
+        return mutex.withLock {
+            freeContexts.removeFirstOrNull() ?: Executors.newSingleThreadExecutor().asCoroutineDispatcher().also {
+                contexts.add(it)
+            }
+        }
+    }
+
+    suspend fun freeContext(context: CoroutineContext) {
+        return mutex.withLock {
+            if (context in contexts && context !in freeContexts) {
+                freeContexts.add(context)
+            }
+        }
+    }
+
+    suspend fun <T> use(block: suspend (CoroutineContext) -> T): T = acquireContext().let {
+        try {
+            block(it)
+        } finally {
+            freeContext(it)
+        }
+    }
+}
+
+class TransactionContext(
+    val databaseContext: CoroutineContext
+): CoroutineContext.Element {
+    override val key: CoroutineContext.Key<TransactionContext> = TransactionContext
+
+    companion object : CoroutineContext.Key<TransactionContext>
+}
 
 suspend fun <T> SQLiteDatabase.transaction(block: suspend SQLiteDatabase.() -> T): T {
-    return withContext(DatabaseCoroutineContext) {
+    return coroutineContext[TransactionContext] ?.let {
-        when {
+        withContext(it.databaseContext) {
-            inTransaction() -> {
             block()
         }
-            else -> {
+    } ?: ContextsPool.use { context ->
+        withContext(TransactionContext(context) + context) {
             beginTransaction()
             safely(
                 {
@@ -25,7 +68,6 @@ suspend fun <T> SQLiteDatabase.transaction(block: suspend SQLiteDatabase.() -> T
             }
         }
     }
-    }
 }
 
 inline fun <T> SQLiteDatabase.inlineTransaction(block: SQLiteDatabase.() -> T): T {

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

@@ -5,6 +5,7 @@ import android.database.DatabaseErrorHandler
 import android.database.sqlite.SQLiteDatabase
 import android.database.sqlite.SQLiteOpenHelper
 import dev.inmo.micro_utils.coroutines.safely
+import dev.inmo.micro_utils.repos.versions.*
 import kotlin.coroutines.Continuation
 import kotlin.coroutines.resume
 import kotlin.coroutines.resumeWithException
@@ -36,6 +37,9 @@ class StandardSQLHelper(
 
         override fun onUpgrade(db: SQLiteDatabase?, oldVersion: Int, newVersion: Int) {}
     }
+    val versionsRepo: VersionsRepo<SQLiteOpenHelper> by lazy {
+        StandardVersionsRepo(AndroidSQLStandardVersionsRepoProxy(sqlOpenHelper))
+    }
 
     suspend fun <T> writableTransaction(block: suspend SQLiteDatabase.() -> T): T = sqlOpenHelper.writableTransaction(block)
 

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

@@ -0,0 +1,63 @@
+package dev.inmo.micro_utils.repos.versions
+
+import android.database.sqlite.SQLiteOpenHelper
+import androidx.core.content.contentValuesOf
+import dev.inmo.micro_utils.repos.*
+import kotlinx.coroutines.runBlocking
+
+/**
+ * Will create [VersionsRepo] based on [SQLiteOpenHelper] with table inside of [database]
+ */
+@Suppress("NOTHING_TO_INLINE")
+inline fun versionsRepo(database: SQLiteOpenHelper): VersionsRepo<SQLiteOpenHelper> = StandardVersionsRepo(
+    AndroidSQLStandardVersionsRepoProxy(database)
+)
+
+class AndroidSQLStandardVersionsRepoProxy(
+    override val database: SQLiteOpenHelper
+) : StandardVersionsRepoProxy<SQLiteOpenHelper> {
+    private val tableName: String = "AndroidSQLStandardVersionsRepo"
+    private val tableNameColumnName = "tableName"
+    private val tableVersionColumnName = "version"
+
+    init {
+        runBlocking(DatabaseCoroutineContext) {
+            database.writableTransaction {
+                createTable(
+                    tableName,
+                    tableNameColumnName to ColumnType.Text.NOT_NULLABLE,
+                    tableVersionColumnName to ColumnType.Numeric.INTEGER()
+                )
+            }
+        }
+    }
+
+    override suspend fun getTableVersion(table: String): Int? = database.writableTransaction {
+        select(
+            tableName,
+            selection = "$tableNameColumnName=?",
+            selectionArgs = arrayOf(table),
+            limit = limitClause(1)
+        ).use {
+            if (it.moveToFirst()) {
+                it.getInt(tableVersionColumnName)
+            } else {
+                null
+            }
+        }
+    }
+
+    override suspend fun updateTableVersion(table: String, version: Int) {
+        database.writableTransaction {
+            val updated = update(
+                tableName,
+                contentValuesOf(tableVersionColumnName to version),
+                "$tableNameColumnName=?",
+                arrayOf(table)
+            ) > 0
+            if (!updated) {
+                insert(tableName, null, contentValuesOf(tableNameColumnName to table, tableVersionColumnName to version))
+            }
+        }
+    }
+}

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

@@ -0,0 +1,49 @@
+@file:Suppress("NOTHING_TO_INLINE")
+
+package dev.inmo.micro_utils.repos.versions
+
+import android.content.Context
+import android.database.sqlite.SQLiteOpenHelper
+import androidx.core.content.contentValuesOf
+import dev.inmo.micro_utils.repos.*
+import dev.inmo.micro_utils.repos.keyvalue.keyValueStore
+import kotlinx.coroutines.runBlocking
+
+/**
+ * Will create [VersionsRepo] based on [T], but versions will be stored in [StandardKeyValueRepo]
+ *
+ * @receiver Will be used to create [KeyValueBasedVersionsRepoProxy] via [keyValueStore] and pass it to [StandardVersionsRepo]
+ *
+ * @see [KeyValueBasedVersionsRepoProxy]
+ * @see [keyValueStore]
+ */
+inline fun <T> Context.versionsKeyValueRepo(
+    database: T
+): VersionsRepo<T> = StandardVersionsRepo(
+    KeyValueBasedVersionsRepoProxy(
+        keyValueStore("SPVersionsRepo"),
+        database
+    )
+)
+/**
+ * Will create [VersionsRepo] based on [SQLiteOpenHelper], but versions will be stored in [StandardKeyValueRepo]
+ *
+ * @receiver Will be used to create [StandardKeyValueRepo] via [keyValueStore] and pass it to [StandardVersionsRepo]
+ *
+ * @see [keyValueStore]
+ */
+inline fun Context.versionsKeyValueRepoForSQL(
+    database: SQLiteOpenHelper
+) = versionsKeyValueRepo(database)
+
+/**
+ * Will create [VersionsRepo] based on [SQLiteOpenHelper], but versions will be stored in [StandardKeyValueRepo]
+ *
+ * @param context Will be used to create [StandardKeyValueRepo] via [keyValueStore] and pass it to [StandardVersionsRepo]
+ *
+ * @see [keyValueStore]
+ */
+inline fun versionsRepo(
+    context: Context,
+    database: SQLiteOpenHelper
+) = context.versionsKeyValueRepoForSQL(database)

repos/exposed/src/jvmMain/kotlin/dev/inmo/micro_utils/repos/exposed/versions/ExposedStandardVersionsRepoProxy.kt

@@ -0,0 +1,48 @@
+package dev.inmo.micro_utils.repos.exposed.versions
+
+import dev.inmo.micro_utils.repos.exposed.ExposedRepo
+import dev.inmo.micro_utils.repos.exposed.initTable
+import dev.inmo.micro_utils.repos.versions.*
+import org.jetbrains.exposed.sql.*
+import org.jetbrains.exposed.sql.transactions.transaction
+
+/**
+ * Use this method to create [StandardVersionsRepo] based on [Database] with [ExposedStandardVersionsRepoProxy] as
+ * [StandardVersionsRepoProxy]
+ */
+@Suppress("NOTHING_TO_INLINE")
+inline fun versionsRepo(database: Database): VersionsRepo<Database> = StandardVersionsRepo(
+    ExposedStandardVersionsRepoProxy(database)
+)
+
+class ExposedStandardVersionsRepoProxy(
+    override val database: Database
+) : StandardVersionsRepoProxy<Database>, Table("ExposedVersionsProxy"), ExposedRepo {
+    private val tableNameColumn = text("tableName")
+    private val tableVersionColumn = integer("tableName")
+
+    init {
+        initTable()
+    }
+
+    override suspend fun getTableVersion(tableName: String): Int? = transaction(database) {
+        select { tableNameColumn.eq(tableName) }.limit(1).firstOrNull() ?.getOrNull(tableVersionColumn)
+    }
+
+    override suspend fun updateTableVersion(tableName: String, version: Int) {
+        transaction(database) {
+            val updated = update(
+                { tableNameColumn.eq(tableName) }
+            ) {
+                it[tableVersionColumn] = version
+            } > 0
+            if (!updated) {
+                insert {
+                    it[tableNameColumn] = tableName
+                    it[tableVersionColumn] = version
+                }
+            }
+        }
+    }
+
+}

repos/inmemory/build.gradle

@@ -2,7 +2,6 @@ plugins {
     id "org.jetbrains.kotlin.multiplatform"
     id "org.jetbrains.kotlin.plugin.serialization"
     id "com.android.library"
-    id "kotlin-android-extensions"
 }
 
 apply from: "$mppProjectWithSerializationPresetPath"

repos/ktor/client/build.gradle

@@ -2,7 +2,6 @@ plugins {
     id "org.jetbrains.kotlin.multiplatform"
     id "org.jetbrains.kotlin.plugin.serialization"
     id "com.android.library"
-    id "kotlin-android-extensions"
 }
 
 apply from: "$mppProjectWithSerializationPresetPath"

repos/ktor/common/build.gradle

@@ -2,7 +2,6 @@ plugins {
     id "org.jetbrains.kotlin.multiplatform"
     id "org.jetbrains.kotlin.plugin.serialization"
     id "com.android.library"
-    id "kotlin-android-extensions"
 }
 
 apply from: "$mppProjectWithSerializationPresetPath"

settings.gradle

@@ -18,6 +18,8 @@ String[] includes = [
     ":ktor:client",
     ":coroutines",
     ":android:recyclerview",
+    ":android:alerts:common",
+    ":android:alerts:recyclerview",
 
     ":dokka"
 ]