small addition to joinTo

0.5.22 - Update ktor

CHANGELOG.md

@@ -1,5 +1,36 @@
 # Changelog
 
+## 0.5.23
+
+* `Versions`:
+    * `Exposed`: `0.33.1` -> `0.34.1`
+* `Common`:
+    * New extensions `Iterable#joinTo` and `Array#joinTo`
+
+## 0.5.22
+
+* `Versions`
+    * `Kotlin`: `1.5.21` -> `1.5.30`
+    * `Klock`: `2.3.2` -> `2.3.4`
+    * `AppCompat`: `1.3.0` -> `1.3.1`
+    * `Ktor`: `1.6.2` -> `1.6.3`
+
+## 0.5.21
+
+* `Versions`
+    * `Klock`: `2.3.1` -> `2.3.2`
+* `Serialization`
+    * `Typed Serializer`:
+        * `TypedSerializer` Descriptor serial name has been fixed
+
+## 0.5.20
+
+* `Repos`:
+    * `Common`
+        * `Android`:
+            * `*OrNull` analogs of `Cursor.get*(String)` extensions have been added
+            * Extensions `Cursor.getFloat` and `Cursor.getFloatOrNull` have been added
+
 ## 0.5.19
 
 * `LanguageCode`:

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

@@ -12,9 +12,7 @@ package dev.inmo.micro_utils.common
     AnnotationTarget.PROPERTY_GETTER,
     AnnotationTarget.PROPERTY_SETTER,
     AnnotationTarget.FUNCTION,
-    AnnotationTarget.TYPE,
-    AnnotationTarget.TYPEALIAS,
-    AnnotationTarget.TYPE_PARAMETER
+    AnnotationTarget.TYPEALIAS
 )
 annotation class PreviewFeature(val message: String = "It is possible, that behaviour of this thing will be changed or removed in future releases")
 
@@ -30,8 +28,6 @@ annotation class PreviewFeature(val message: String = "It is possible, that beha
     AnnotationTarget.PROPERTY_GETTER,
     AnnotationTarget.PROPERTY_SETTER,
     AnnotationTarget.FUNCTION,
-    AnnotationTarget.TYPE,
-    AnnotationTarget.TYPEALIAS,
-    AnnotationTarget.TYPE_PARAMETER
+    AnnotationTarget.TYPEALIAS
 )
 annotation class Warning(val message: String)

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

@@ -0,0 +1,59 @@
+package dev.inmo.micro_utils.common
+
+inline fun <I, R> Iterable<I>.joinTo(
+    crossinline separatorFun: (I) -> R?,
+    prefix: R? = null,
+    postfix: R? = null,
+    crossinline transform: (I) -> R?
+): List<R> {
+    val result = mutableListOf<R>()
+    val iterator = iterator()
+
+    prefix ?.let(result::add)
+
+    while (iterator.hasNext()) {
+        val element = iterator.next()
+        result.add(transform(element) ?: continue)
+
+        if (iterator.hasNext()) {
+            result.add(separatorFun(element) ?: continue)
+        }
+    }
+
+    postfix ?.let(result::add)
+
+    return result
+}
+
+inline fun <I, R> Iterable<I>.joinTo(
+    separator: R? = null,
+    prefix: R? = null,
+    postfix: R? = null,
+    crossinline transform: (I) -> R?
+): List<R> = joinTo({ separator }, prefix, postfix, transform)
+
+inline fun <I> Iterable<I>.joinTo(
+    crossinline separatorFun: (I) -> I?,
+    prefix: I? = null,
+    postfix: I? = null
+): List<I> = joinTo<I, I>(separatorFun, prefix, postfix) { it }
+
+inline fun <I> Iterable<I>.joinTo(
+    separator: I? = null,
+    prefix: I? = null,
+    postfix: I? = null
+): List<I> = joinTo<I>({ separator }, prefix, postfix)
+
+inline fun <I, reified R> Array<I>.joinTo(
+    crossinline separatorFun: (I) -> R?,
+    prefix: R? = null,
+    postfix: R? = null,
+    crossinline 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?
+): Array<R> = asIterable().joinTo(separator, prefix, postfix, transform).toTypedArray()

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

@@ -11,7 +11,7 @@ class DiffUtilsTests {
         val withIndex = oldList.withIndex()
 
         for (count in 1 .. (floor(oldList.size.toFloat() / 2).toInt())) {
-            for ((i, v) in withIndex) {
+            for ((i, _) in withIndex) {
                 if (i + count > oldList.lastIndex) {
                     continue
                 }

gradle.properties

@@ -7,14 +7,14 @@ android.useAndroidX=true
 android.enableJetifier=true
 org.gradle.jvmargs=-Xmx2g
 
-kotlin_version=1.5.21
+kotlin_version=1.5.30
 kotlin_coroutines_version=1.5.1
 kotlin_serialisation_core_version=1.2.2
-kotlin_exposed_version=0.33.1
+kotlin_exposed_version=0.34.1
 
-ktor_version=1.6.2
+ktor_version=1.6.3
 
-klockVersion=2.3.1
+klockVersion=2.3.4
 
 github_release_plugin_version=2.2.12
 
@@ -24,12 +24,12 @@ uuidVersion=0.3.0
 
 core_ktx_version=1.6.0
 androidx_recycler_version=1.2.1
-appcompat_version=1.3.0
+appcompat_version=1.3.1
 
 android_minSdkVersion=19
 android_compileSdkVersion=30
 android_buildToolsVersion=30.0.3
-dexcount_version=2.1.0-RC01
+dexcount_version=3.0.0
 junit_version=4.12
 test_ext_junit_version=1.1.2
 espresso_core=3.3.0
@@ -45,5 +45,5 @@ dokka_version=1.5.0
 # Project data
 
 group=dev.inmo
-version=0.5.19
-android_code_version=60
+version=0.5.23
+android_code_version=64

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

@@ -2,6 +2,8 @@ package dev.inmo.micro_utils.repos
 
 import android.database.Cursor
 import android.database.sqlite.SQLiteDatabase
+import androidx.core.database.*
+import dev.inmo.micro_utils.repos.getLongOrNull
 
 fun createTableQuery(
     tableName: String,
@@ -32,6 +34,11 @@ fun SQLiteDatabase.createTable(
 fun Cursor.getString(columnName: String): String = getString(
     getColumnIndexOrThrow(columnName)
 )
+fun Cursor.getStringOrNull(columnName: String): String? {
+    return getStringOrNull(
+        getColumnIndex(columnName).takeIf { it != -1 } ?: return null
+    )
+}
 
 /**
  * @throws IllegalArgumentException
@@ -39,6 +46,11 @@ fun Cursor.getString(columnName: String): String = getString(
 fun Cursor.getShort(columnName: String): Short = getShort(
     getColumnIndexOrThrow(columnName)
 )
+fun Cursor.getShortOrNull(columnName: String): Short? {
+    return getShortOrNull(
+        getColumnIndex(columnName).takeIf { it != -1 } ?: return null
+    )
+}
 
 /**
  * @throws IllegalArgumentException
@@ -46,6 +58,11 @@ fun Cursor.getShort(columnName: String): Short = getShort(
 fun Cursor.getLong(columnName: String): Long = getLong(
     getColumnIndexOrThrow(columnName)
 )
+fun Cursor.getLongOrNull(columnName: String): Long? {
+    return getLongOrNull(
+        getColumnIndex(columnName).takeIf { it != -1 } ?: return null
+    )
+}
 
 /**
  * @throws IllegalArgumentException
@@ -53,6 +70,23 @@ fun Cursor.getLong(columnName: String): Long = getLong(
 fun Cursor.getInt(columnName: String): Int = getInt(
     getColumnIndexOrThrow(columnName)
 )
+fun Cursor.getIntOrNull(columnName: String): Int? {
+    return getIntOrNull(
+        getColumnIndex(columnName).takeIf { it != -1 } ?: return null
+    )
+}
+
+/**
+ * @throws IllegalArgumentException
+ */
+fun Cursor.getFloat(columnName: String): Float = getFloat(
+    getColumnIndexOrThrow(columnName)
+)
+fun Cursor.getFloatOrNull(columnName: String): Float? {
+    return getFloatOrNull(
+        getColumnIndex(columnName).takeIf { it != -1 } ?: return null
+    )
+}
 
 /**
  * @throws IllegalArgumentException
@@ -60,6 +94,11 @@ fun Cursor.getInt(columnName: String): Int = getInt(
 fun Cursor.getDouble(columnName: String): Double = getDouble(
     getColumnIndexOrThrow(columnName)
 )
+fun Cursor.getDoubleOrNull(columnName: String): Double? {
+    return getDoubleOrNull(
+        getColumnIndex(columnName).takeIf { it != -1 } ?: return null
+    )
+}
 
 fun SQLiteDatabase.select(
     table: String,

serialization/typed_serializer/src/commonMain/kotlin/dev/inmo/micro_utils/serialization/typed_serializer/TypedSerializer.kt

@@ -8,11 +8,23 @@ import kotlin.reflect.KClass
 
 open class TypedSerializer<T : Any>(
     kClass: KClass<T>,
-    presetSerializers: Map<String, KSerializer<out T>> = emptyMap()
+    presetSerializers: Map<String, KSerializer<out T>> = emptyMap(),
 ) : KSerializer<T> {
     protected val serializers = presetSerializers.toMutableMap()
     @InternalSerializationApi
-    open override val descriptor: SerialDescriptor = buildSerialDescriptor(
+    override val descriptor: SerialDescriptor = buildSerialDescriptor(
+        "TypedSerializer",
+        SerialKind.CONTEXTUAL
+    ) {
+        element("type", String.serializer().descriptor)
+        element("value", ContextualSerializer(kClass).descriptor)
+    }
+    @InternalSerializationApi
+    @Deprecated(
+        "This descriptor was deprecated due to incorrect serial name. You may use it in case something require it, " +
+            "but it is strongly recommended to migrate onto new descriptor"
+    )
+    protected val oldDescriptor: SerialDescriptor = buildSerialDescriptor(
         "TextSourceSerializer",
         SerialKind.CONTEXTUAL
     ) {