Repository resource creation example

TodoRepository1.kt

class TodoRepository(
    private val localSource: ITodoCache, // Cache injection
    private val remoteSource: ITodoApi
) {
    // new resource to query List<Todo>
    private val todoResource = Resource<Unit, List<Todo>>(
        { remoteSource.getAllTodos() },
        { localSource.getAllTodos() },
        localSource::storeAllTodos,
        localSource::deleteAllTodos,
        // detached RefreshControl with 5 mins rate
        RefrehsControl(TimeUnit.MINUTES.toMillis(5)) 
    )
    //...
}