64 lines
1.9 KiB
Kotlin
64 lines
1.9 KiB
Kotlin
/*
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* Copyright (c) 2019 Hemanth Savarala.
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*
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* Licensed under the GNU General Public License v3
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*
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* This is free software: you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by
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* the Free Software Foundation either version 3 of the License, or (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*/
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package code.name.monkey.retromusic.mvp.presenter
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import code.name.monkey.retromusic.Result
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import code.name.monkey.retromusic.model.Song
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import code.name.monkey.retromusic.mvp.Presenter
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import code.name.monkey.retromusic.mvp.PresenterImpl
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import code.name.monkey.retromusic.providers.interfaces.Repository
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import kotlinx.coroutines.*
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import java.util.*
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import javax.inject.Inject
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import kotlin.coroutines.CoroutineContext
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/**
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* Created by hemanths on 10/08/17.
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*/
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interface SongView {
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fun songs(songs: ArrayList<Song>)
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fun showEmptyView()
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}
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interface SongPresenter : Presenter<SongView> {
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fun loadSongs()
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class SongPresenterImpl @Inject constructor(
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private val repository: Repository
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) : PresenterImpl<SongView>(), SongPresenter, CoroutineScope {
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private var job: Job = Job()
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override val coroutineContext: CoroutineContext
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get() = Dispatchers.IO + job
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override fun loadSongs() {
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launch {
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when (val songs = repository.allSongs()) {
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is Result.Success -> withContext(Dispatchers.Main) { view?.songs(songs.data) }
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is Result.Error -> view?.showEmptyView()
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}
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}
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}
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override fun detachView() {
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super.detachView()
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job.cancel();
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}
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}
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}
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