Create core interfaces for application

Signed-off-by: Yurii Surzhykov <yurii.surzhykov@nortekcontrol.com>

core/build.gradle.kts

@@ -1,9 +1,12 @@
 plugins {
-    id("java-library")
     alias(libs.plugins.jetbrains.kotlin.jvm)
 }
 
 java {
     sourceCompatibility = JavaVersion.VERSION_19
     targetCompatibility = JavaVersion.VERSION_19
+}
+
+dependencies {
+    implementation(libs.kotlinx.coroutines.core)
 }

core/src/main/java/com/github/yuriisurzhykov/purs/core/Core.kt → core/src/main/java/com/github/yuriisurzhykov/purs/core/Clear.kt

@@ -1,4 +1,6 @@
 package com.github.yuriisurzhykov.purs.core
 
-class Core {
+interface Clear {
+
+    fun clear()
 }

core/src/main/java/com/github/yuriisurzhykov/purs/core/Dispatchers.kt

@@ -0,0 +1,37 @@
+package com.github.yuriisurzhykov.purs.core
+
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+interface Dispatchers {
+
+    fun launchUi(scope: CoroutineScope, block: suspend CoroutineScope.() -> Unit): Job
+    fun launchBackground(scope: CoroutineScope, block: suspend CoroutineScope.() -> Unit): Job
+    suspend fun switchToUi(block: suspend CoroutineScope.() -> Unit)
+
+    abstract class Abstract(
+        private val uiScope: CoroutineDispatcher,
+        private val backgroundScope: CoroutineDispatcher
+    ) : Dispatchers {
+        override fun launchUi(
+            scope: CoroutineScope,
+            block: suspend CoroutineScope.() -> Unit
+        ): Job = scope.launch(uiScope, block = block)
+
+        override fun launchBackground(
+            scope: CoroutineScope,
+            block: suspend CoroutineScope.() -> Unit
+        ): Job = scope.launch(backgroundScope, block = block)
+
+        override suspend fun switchToUi(block: suspend CoroutineScope.() -> Unit) =
+            withContext(uiScope, block)
+    }
+
+    class Base : Abstract(
+        uiScope = kotlinx.coroutines.Dispatchers.Main,
+        backgroundScope = kotlinx.coroutines.Dispatchers.Default
+    )
+}

core/src/main/java/com/github/yuriisurzhykov/purs/core/Mapper.kt

@@ -0,0 +1,8 @@
+package com.github.yuriisurzhykov.purs.core
+
+interface Mapper<S, R> {
+
+    fun map(source: S): R
+
+    interface Unit<T> : Mapper<T, Unit<T>>
+}

core/src/main/java/com/github/yuriisurzhykov/purs/core/Read.kt

@@ -0,0 +1,6 @@
+package com.github.yuriisurzhykov.purs.core
+
+interface Read<T> {
+
+    fun read(): T
+}

core/src/main/java/com/github/yuriisurzhykov/purs/core/Save.kt

@@ -0,0 +1,6 @@
+package com.github.yuriisurzhykov.purs.core
+
+interface Save<T> {
+
+    fun save(data: T)
+}