TodoApp. Get rid of Dependencies interfaces. (#480)

examples/todoapp/android/src/main/java/example/todo/android/MainActivity.kt

@@ -7,12 +7,12 @@ import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Surface
 import com.arkivanov.decompose.ComponentContext
 import com.arkivanov.decompose.extensions.compose.jetbrains.rememberRootComponent
-import com.arkivanov.mvikotlin.core.store.StoreFactory
 import com.arkivanov.mvikotlin.logging.store.LoggingStoreFactory
 import com.arkivanov.mvikotlin.main.store.DefaultStoreFactory
 import com.arkivanov.mvikotlin.timetravel.store.TimeTravelStoreFactory
 import example.todo.common.database.TodoDatabaseDriver
 import example.todo.common.root.TodoRoot
+import example.todo.common.root.integration.TodoRootComponent
 import example.todo.common.ui.TodoRootContent
 import example.todo.database.TodoDatabase
 
@@ -30,12 +30,9 @@ class MainActivity : AppCompatActivity() {
     }
 
     private fun todoRoot(componentContext: ComponentContext): TodoRoot =
-        TodoRoot(
+        TodoRootComponent(
             componentContext = componentContext,
-            dependencies = object : TodoRoot.Dependencies {
+            storeFactory = LoggingStoreFactory(TimeTravelStoreFactory(DefaultStoreFactory)),
-                // You can play with time travel using IDEA plugin: https://arkivanov.github.io/MVIKotlin/time_travel.html
+            database = TodoDatabase(TodoDatabaseDriver(context = this))
-                override val storeFactory: StoreFactory = LoggingStoreFactory(TimeTravelStoreFactory(DefaultStoreFactory))
-                override val database: TodoDatabase = TodoDatabase(TodoDatabaseDriver(this@MainActivity))
-            }
         )
 }

examples/todoapp/common/edit/src/commonMain/kotlin/example/todo/common/edit/TodoEdit.kt

@@ -1,12 +1,6 @@
 package example.todo.common.edit
 
-import com.arkivanov.decompose.ComponentContext
 import com.arkivanov.decompose.value.Value
-import com.arkivanov.mvikotlin.core.store.StoreFactory
-import com.badoo.reaktive.base.Consumer
-import example.todo.common.edit.TodoEdit.Dependencies
-import example.todo.common.edit.integration.TodoEditImpl
-import example.todo.database.TodoDatabase
 
 interface TodoEdit {
 
@@ -23,18 +17,7 @@ interface TodoEdit {
         val isDone: Boolean
     )
 
-    interface Dependencies {
-        val storeFactory: StoreFactory
-        val database: TodoDatabase
-        val itemId: Long
-        val editOutput: Consumer<Output>
-    }
-
     sealed class Output {
         object Finished : Output()
     }
 }
-
-@Suppress("FunctionName") // Factory function
-fun TodoEdit(componentContext: ComponentContext, dependencies: Dependencies): TodoEdit =
-    TodoEditImpl(componentContext, dependencies)

examples/todoapp/common/edit/src/commonMain/kotlin/example/todo/common/edit/integration/TodoEditComponent.kt

@@ -3,20 +3,25 @@ package example.todo.common.edit.integration
 import com.arkivanov.decompose.ComponentContext
 import com.arkivanov.decompose.value.Value
 import com.arkivanov.decompose.value.operator.map
+import com.arkivanov.mvikotlin.core.store.StoreFactory
+import com.badoo.reaktive.base.Consumer
 import com.badoo.reaktive.base.invoke
 import example.todo.common.edit.TodoEdit
-import example.todo.common.edit.TodoEdit.Dependencies
 import example.todo.common.edit.TodoEdit.Model
 import example.todo.common.edit.TodoEdit.Output
 import example.todo.common.edit.store.TodoEditStore.Intent
 import example.todo.common.edit.store.TodoEditStoreProvider
 import example.todo.common.utils.asValue
 import example.todo.common.utils.getStore
+import example.todo.database.TodoDatabase
 
-internal class TodoEditImpl(
+class TodoEditComponent(
     componentContext: ComponentContext,
-    dependencies: Dependencies
+    storeFactory: StoreFactory,
-) : TodoEdit, ComponentContext by componentContext, Dependencies by dependencies {
+    database: TodoDatabase,
+    itemId: Long,
+    private val output: Consumer<Output>
+) : TodoEdit, ComponentContext by componentContext {
 
     private val store =
         instanceKeeper.getStore {
@@ -38,6 +43,6 @@ internal class TodoEditImpl(
     }
 
     override fun onCloseClicked() {
-        editOutput(Output.Finished)
+        output(Output.Finished)
     }
 }

examples/todoapp/common/main/src/commonMain/kotlin/example/todo/common/main/TodoMain.kt

@@ -1,12 +1,6 @@
 package example.todo.common.main
 
-import com.arkivanov.decompose.ComponentContext
 import com.arkivanov.decompose.value.Value
-import com.arkivanov.mvikotlin.core.store.StoreFactory
-import com.badoo.reaktive.base.Consumer
-import example.todo.common.main.TodoMain.Dependencies
-import example.todo.common.main.integration.TodoMainImpl
-import example.todo.database.TodoDatabase
 
 interface TodoMain {
 
@@ -27,17 +21,7 @@ interface TodoMain {
         val text: String
     )
 
-    interface Dependencies {
-        val storeFactory: StoreFactory
-        val database: TodoDatabase
-        val mainOutput: Consumer<Output>
-    }
-
     sealed class Output {
         data class Selected(val id: Long) : Output()
     }
 }
-
-@Suppress("FunctionName") // Factory function
-fun TodoMain(componentContext: ComponentContext, dependencies: Dependencies): TodoMain =
-    TodoMainImpl(componentContext, dependencies)

examples/todoapp/common/main/src/commonMain/kotlin/example/todo/common/main/integration/TodoMainComponent.kt

@@ -3,20 +3,24 @@ package example.todo.common.main.integration
 import com.arkivanov.decompose.ComponentContext
 import com.arkivanov.decompose.value.Value
 import com.arkivanov.decompose.value.operator.map
+import com.arkivanov.mvikotlin.core.store.StoreFactory
+import com.badoo.reaktive.base.Consumer
 import com.badoo.reaktive.base.invoke
 import example.todo.common.main.TodoMain
-import example.todo.common.main.TodoMain.Dependencies
 import example.todo.common.main.TodoMain.Model
 import example.todo.common.main.TodoMain.Output
 import example.todo.common.main.store.TodoMainStore.Intent
 import example.todo.common.main.store.TodoMainStoreProvider
 import example.todo.common.utils.asValue
 import example.todo.common.utils.getStore
+import example.todo.database.TodoDatabase
 
-internal class TodoMainImpl(
+class TodoMainComponent(
     componentContext: ComponentContext,
-    dependencies: Dependencies
+    storeFactory: StoreFactory,
-) : TodoMain, ComponentContext by componentContext, Dependencies by dependencies {
+    database: TodoDatabase,
+    private val output: Consumer<Output>
+) : TodoMain, ComponentContext by componentContext {
 
     private val store =
         instanceKeeper.getStore {
@@ -29,7 +33,7 @@ internal class TodoMainImpl(
     override val models: Value<Model> = store.asValue().map(stateToModel)
 
     override fun onItemClicked(id: Long) {
-        mainOutput(Output.Selected(id = id))
+        output(Output.Selected(id = id))
     }
 
     override fun onItemDoneChanged(id: Long, isDone: Boolean) {

examples/todoapp/common/main/src/commonTest/kotlin/example/todo/common/main/integration/TodoMainTest.kt

@@ -2,9 +2,7 @@ package example.todo.common.main.integration
 
 import com.arkivanov.decompose.DefaultComponentContext
 import com.arkivanov.decompose.lifecycle.LifecycleRegistry
-import com.arkivanov.mvikotlin.core.store.StoreFactory
 import com.arkivanov.mvikotlin.main.store.DefaultStoreFactory
-import com.badoo.reaktive.base.Consumer
 import com.badoo.reaktive.scheduler.overrideSchedulers
 import com.badoo.reaktive.subject.publish.PublishSubject
 import com.badoo.reaktive.test.observable.assertValue
@@ -13,7 +11,6 @@ import com.badoo.reaktive.test.scheduler.TestScheduler
 import example.todo.common.database.TestDatabaseDriver
 import example.todo.common.database.TodoItemEntity
 import example.todo.common.main.TodoItem
-import example.todo.common.main.TodoMain.Dependencies
 import example.todo.common.main.TodoMain.Model
 import example.todo.common.main.TodoMain.Output
 import example.todo.database.TodoDatabase
@@ -35,13 +32,11 @@ class TodoMainTest {
     private val queries = database.todoDatabaseQueries
 
     private val impl by lazy {
-        TodoMainImpl(
+        TodoMainComponent(
             componentContext = DefaultComponentContext(lifecycle = lifecycle),
-            dependencies = object : Dependencies {
+            storeFactory = DefaultStoreFactory,
-                override val storeFactory: StoreFactory = DefaultStoreFactory
+            database = database,
-                override val database: TodoDatabase = this@TodoMainTest.database
+            output = outputSubject
-                override val mainOutput: Consumer<Output> = outputSubject
-            }
         )
     }
 

examples/todoapp/common/root/src/commonMain/kotlin/example/todo/common/root/TodoRoot.kt

@@ -1,15 +1,9 @@
 package example.todo.common.root
 
-import com.arkivanov.decompose.ComponentContext
 import com.arkivanov.decompose.RouterState
 import com.arkivanov.decompose.value.Value
-import com.arkivanov.mvikotlin.core.store.StoreFactory
-import com.badoo.reaktive.base.Consumer
 import example.todo.common.edit.TodoEdit
 import example.todo.common.main.TodoMain
-import example.todo.common.root.TodoRoot.Dependencies
-import example.todo.common.root.integration.TodoRootImpl
-import example.todo.database.TodoDatabase
 
 interface TodoRoot {
 
@@ -19,32 +13,4 @@ interface TodoRoot {
         data class Main(val component: TodoMain) : Child()
         data class Edit(val component: TodoEdit) : Child()
     }
-
-    interface Dependencies {
-        val storeFactory: StoreFactory
-        val database: TodoDatabase
-    }
 }
-
-@Suppress("FunctionName") // Factory function
-fun TodoRoot(componentContext: ComponentContext, dependencies: Dependencies): TodoRoot =
-    TodoRootImpl(
-        componentContext = componentContext,
-        todoMain = { childContext, output ->
-            TodoMain(
-                componentContext = childContext,
-                dependencies = object : TodoMain.Dependencies, Dependencies by dependencies {
-                    override val mainOutput: Consumer<TodoMain.Output> = output
-                }
-            )
-        },
-        todoEdit = { childContext, itemId, output ->
-            TodoEdit(
-                componentContext = childContext,
-                dependencies = object : TodoEdit.Dependencies, Dependencies by dependencies {
-                    override val itemId: Long = itemId
-                    override val editOutput: Consumer<TodoEdit.Output> = output
-                }
-            )
-        }
-    )

examples/todoapp/common/root/src/commonMain/kotlin/example/todo/common/root/integration/TodoRootComponent.kt

@@ -8,19 +8,48 @@ import com.arkivanov.decompose.router
 import com.arkivanov.decompose.statekeeper.Parcelable
 import com.arkivanov.decompose.statekeeper.Parcelize
 import com.arkivanov.decompose.value.Value
+import com.arkivanov.mvikotlin.core.store.StoreFactory
 import com.badoo.reaktive.base.Consumer
 import example.todo.common.edit.TodoEdit
+import example.todo.common.edit.integration.TodoEditComponent
 import example.todo.common.main.TodoMain
+import example.todo.common.main.integration.TodoMainComponent
 import example.todo.common.root.TodoRoot
 import example.todo.common.root.TodoRoot.Child
 import example.todo.common.utils.Consumer
+import example.todo.database.TodoDatabase
 
-internal class TodoRootImpl(
+class TodoRootComponent internal constructor(
     componentContext: ComponentContext,
     private val todoMain: (ComponentContext, Consumer<TodoMain.Output>) -> TodoMain,
     private val todoEdit: (ComponentContext, itemId: Long, Consumer<TodoEdit.Output>) -> TodoEdit
 ) : TodoRoot, ComponentContext by componentContext {
 
+    constructor(
+        componentContext: ComponentContext,
+        storeFactory: StoreFactory,
+        database: TodoDatabase
+    ) : this(
+        componentContext = componentContext,
+        todoMain = { childContext, output ->
+            TodoMainComponent(
+                componentContext = childContext,
+                storeFactory = storeFactory,
+                database = database,
+                output = output
+            )
+        },
+        todoEdit = { childContext, itemId, output ->
+            TodoEditComponent(
+                componentContext = childContext,
+                storeFactory = storeFactory,
+                database = database,
+                itemId = itemId,
+                output = output
+            )
+        }
+    )
+
     private val router =
         router<Configuration, Child>(
             initialConfiguration = Configuration.Main,

examples/todoapp/common/root/src/commonTest/kotlin/example/todo/common/root/integration/TodoRootTest.kt

@@ -45,7 +45,7 @@ class TodoRootTest {
     }
 
     private fun root(): TodoRoot =
-        TodoRootImpl(
+        TodoRootComponent(
             componentContext = DefaultComponentContext(lifecycle = lifecycle),
             todoMain = { _, output -> TodoMainFake(output) },
             todoEdit = { _, itemId, output -> TodoEditFake(itemId, output) }

examples/todoapp/desktop/src/jvmMain/kotlin/example/todo/desktop/Main.kt

@@ -13,6 +13,7 @@ import com.badoo.reaktive.coroutinesinterop.asScheduler
 import com.badoo.reaktive.scheduler.overrideSchedulers
 import example.todo.common.database.TodoDatabaseDriver
 import example.todo.common.root.TodoRoot
+import example.todo.common.root.integration.TodoRootComponent
 import example.todo.common.ui.TodoRootContent
 import example.todo.database.TodoDatabase
 import kotlinx.coroutines.Dispatchers
@@ -32,10 +33,8 @@ fun main() {
 }
 
 private fun todoRoot(componentContext: ComponentContext): TodoRoot =
-    TodoRoot(
+    TodoRootComponent(
         componentContext = componentContext,
-        dependencies = object : TodoRoot.Dependencies {
+        storeFactory = DefaultStoreFactory,
-            override val storeFactory = DefaultStoreFactory
+        database = TodoDatabase(TodoDatabaseDriver())
-            override val database = TodoDatabase(TodoDatabaseDriver())
-        }
     )

examples/todoapp/ios/ios/ContentView.swift

@@ -5,9 +5,10 @@ struct ContentView: View {
     @State
     private var componentHolder =
         ComponentHolder {
-            TodoRootKt.TodoRoot(
+            TodoRootComponent(
                 componentContext: $0,
-                dependencies: RootDependencies()
+                storeFactory: DefaultStoreFactory(),
+                database: TodoDatabaseCompanion().invoke(driver: TodoDatabaseDriverFactoryKt.TodoDatabaseDriver())
             )
         }
     
@@ -18,12 +19,6 @@ struct ContentView: View {
     }
 }
 
-private class RootDependencies: TodoRootDependencies {
-    let database: TodoDatabase = TodoDatabaseCompanion().invoke(driver: TodoDatabaseDriverFactoryKt.TodoDatabaseDriver())
-    
-    let storeFactory: MvikotlinStoreFactory = DefaultStoreFactory()
-}
-
 struct ContentView_Previews: PreviewProvider {
     static var previews: some View {
         ContentView()