DataModule 的 整理

DatabaseModule.kt

@Module(includes = [DatabaseModuleBinds::class])
class DatabaseModule {

    @Singleton
    @Provides
    fun provideDataBase(context: Context): ToDoRoomDatabase {
        return Room.databaseBuilder(
            context.applicationContext,
            ToDoRoomDatabase::class.java,
            "Task.db"
        ).build()
    }

    @Provides
    fun provideTasksDao(db: ToDoDatabase) = db.tasksDao()
}

@Module
abstract class DatabaseModuleBinds {

    @Binds
    abstract fun bindToDoDatabase(roomDatabase: ToDoRoomDatabase): ToDoDatabase
}

DataModule.kt

@Module(
    includes = [
        DataSourceModule::class,
        RepositoryBinds::class,
        DatabaseModule::class,
        NetworkModule::class
    ]
)
class DataModule {

    @Qualifier
    @Retention(AnnotationRetention.RUNTIME)
    annotation class TasksLocalData

    @Qualifier
    @Retention(AnnotationRetention.RUNTIME)
    annotation class TasksRemoteData
}

DataSourceModule.kt

@Module(includes = [DataSourceBinds::class])
class DataSourceModule {

    @DataModule.TasksRemoteData
    @Provides
    fun provideTasksRemoteDataSource(): TasksDataSource {
        return TasksRemoteDataSource
    }
}

@Module
abstract class DataSourceBinds {

    @DataModule.TasksLocalData
    @Binds
    abstract fun bindToTasksLocalData(tasksLocalDataSource: TasksLocalDataSource): TasksDataSource
}

RepositoryBinds.kt

@Module
abstract class RepositoryBinds {
    @Singleton
    @Binds
    abstract fun bindToTasksRepository(tasksRepository: TasksRepository): ITasksRepository
}