com.doctoror.fuckoffmusicplayer.presentation.media.MediaManagerService.java Source code

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Here is the source code for com.doctoror.fuckoffmusicplayer.presentation.media.MediaManagerService.java

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/*
 * Copyright (C) 2016 Yaroslav Mytkalyk
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.doctoror.fuckoffmusicplayer.presentation.media;

import android.Manifest;
import android.app.IntentService;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.support.annotation.NonNull;
import android.support.annotation.StringRes;
import android.support.v4.content.ContextCompat;
import android.widget.Toast;

import com.doctoror.commons.reactivex.SchedulersProvider;
import com.doctoror.commons.util.Log;
import com.doctoror.fuckoffmusicplayer.R;
import com.doctoror.fuckoffmusicplayer.data.media.SecurityIoException;
import com.doctoror.fuckoffmusicplayer.di.DaggerHolder;
import com.doctoror.fuckoffmusicplayer.domain.media.MediaManager;
import com.doctoror.fuckoffmusicplayer.domain.queue.usecase.RemoveAlbumFromQueueUseCase;
import com.doctoror.fuckoffmusicplayer.domain.queue.usecase.RemoveMediasFromCurrentQueueUseCase;

import java.io.IOException;

import javax.inject.Inject;

/**
 * Service for managing media
 */
public final class MediaManagerService extends IntentService {

    private static final String TAG = "MediaManagerService";

    private static final String ACTION_MEDIA_DELETE = "ACTION_MEDIA_DELETE";
    private static final String EXTRA_TARGET_ID = "EXTRA_TARGET_ID";

    private static final String ACTION_ALBUM_DELETE = "ACTION_ALBUM_DELETE";

    private static final String ACTION_PLAYLIST_DELETE = "ACTION_PLAYLIST_DELETE";

    public static void deleteMedia(@NonNull final Context context, final long id) {
        final Intent intent = new Intent(context, MediaManagerService.class);
        intent.setAction(ACTION_MEDIA_DELETE);
        intent.putExtra(EXTRA_TARGET_ID, id);
        context.startService(intent);
    }

    public static void deleteAlbum(@NonNull final Context context, final long albumId) {
        final Intent intent = new Intent(context, MediaManagerService.class);
        intent.setAction(ACTION_ALBUM_DELETE);
        intent.putExtra(EXTRA_TARGET_ID, albumId);
        context.startService(intent);
    }

    public static void deletePlaylist(@NonNull final Context context, final long playlistId) {
        final Intent intent = new Intent(context, MediaManagerService.class);
        intent.setAction(ACTION_PLAYLIST_DELETE);
        intent.putExtra(EXTRA_TARGET_ID, playlistId);
        context.startService(intent);
    }

    @Inject
    MediaManager mediaManager;

    @Inject
    RemoveAlbumFromQueueUseCase removeAlbumFromQueueUseCase;

    @Inject
    RemoveMediasFromCurrentQueueUseCase removeMediasFromCurrentQueueUseCase;

    @Inject
    SchedulersProvider schedulersProvider;

    public MediaManagerService() {
        super(TAG);
    }

    @Override
    public void onCreate() {
        super.onCreate();
        DaggerHolder.getInstance(this).mainComponent().inject(this);
    }

    @Override
    protected void onHandleIntent(final Intent intent) {
        final String action = intent.getAction();
        if (action != null) {
            switch (action) {
            case ACTION_MEDIA_DELETE:
                onActionMediaDelete(intent);
                break;

            case ACTION_ALBUM_DELETE:
                onActionAlbumDelete(intent);
                break;

            case ACTION_PLAYLIST_DELETE:
                onActionPlaylistDelete(intent);
                break;
            }
        }
    }

    private long getTargetId(@NonNull final Intent intent) {
        if (!intent.hasExtra(EXTRA_TARGET_ID)) {
            throw new IllegalArgumentException("EXTRA_TARGET_ID is not passed");
        }

        return intent.getLongExtra(EXTRA_TARGET_ID, 0L);
    }

    private void onActionMediaDelete(@NonNull final Intent intent) {
        if (ContextCompat.checkSelfPermission(this,
                Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
            Log.w(TAG, "WRITE_EXTERNAL_STORAGE permission not granted");
            return;
        }

        final long targetId = getTargetId(intent);
        removeMediasFromCurrentQueueUseCase.removeMediasFromCurrentQueue(targetId);

        try {
            mediaManager.deleteMedia(targetId);
        } catch (SecurityIoException e) {
            showToast(R.string.Media_on_removable_storage_cannot_be_deleted);
        } catch (IOException e) {
            Log.w(TAG, e);
            showToast(R.string.Failed_to_delete_media);
        }
    }

    private void onActionAlbumDelete(@NonNull final Intent intent) {
        if (ContextCompat.checkSelfPermission(this,
                Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
            Log.w(TAG, "WRITE_EXTERNAL_STORAGE permission not granted");
            return;
        }

        final long albumId = getTargetId(intent);
        removeAlbumFromQueueUseCase.removeAlbumFromCurrentQueue(albumId);

        try {
            mediaManager.deleteAlbum(albumId);
        } catch (SecurityIoException e) {
            showToast(R.string.Media_on_removable_storage_cannot_be_deleted);
        } catch (IOException e) {
            Log.w(TAG, e);
            showToast(R.string.Failed_to_delete_album);
        }
    }

    private void onActionPlaylistDelete(@NonNull final Intent intent) {
        if (ContextCompat.checkSelfPermission(this,
                Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
            Log.w(TAG, "WRITE_EXTERNAL_STORAGE permission not granted");
            return;
        }

        final long targetId = getTargetId(intent);
        try {
            mediaManager.deletePlaylist(targetId);
        } catch (SecurityIoException e) {
            showToast(R.string.Media_on_removable_storage_cannot_be_deleted);
        } catch (IOException e) {
            Log.w(TAG, e);
            showToast(R.string.Failed_to_delete_playlist);
        }
    }

    private void showToast(@StringRes final int message) {
        final Context context = getApplicationContext();
        schedulersProvider.mainThread()
                .scheduleDirect(() -> Toast.makeText(context, message, Toast.LENGTH_LONG).show());
    }
}