IdentifyTvShowEpisodeService.java

/*
 * Copyright (C) 2014 Michell Bak
 *
 * 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.miz.service;

import android.app.IntentService;
import android.app.Notification;
import android.app.NotificationManager;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.support.v4.app.NotificationCompat;
import android.text.TextUtils;
import android.util.Log;
import android.widget.Toast;

import com.miz.functions.MizLib;
import com.miz.functions.TvShowLibraryUpdateCallback;
import com.miz.identification.ShowStructure;
import com.miz.identification.TvShowIdentification;
import com.miz.mizuu.MizuuApplication;
import com.miz.mizuu.R;
import com.miz.utils.LocalBroadcastUtils;
import com.miz.utils.TvShowDatabaseUtils;

import java.util.ArrayList;

public class IdentifyTvShowEpisodeService extends IntentService implements TvShowLibraryUpdateCallback {

    private boolean mDebugging = true;
    private String mNewShowId, mOldShowId, mLanguage;
    private ArrayList<ShowStructure> mFiles = new ArrayList<ShowStructure>();
    private ArrayList<String> mFilepaths = new ArrayList<String>();
    private final int NOTIFICATION_ID = 4150;
    private int mEpisodeCount, mTotalFiles;
    private NotificationManager mNotificationManager;
    private NotificationCompat.Builder mBuilder;

    public IdentifyTvShowEpisodeService() {
        super("IdentifyTvShowEpisodeService");
    }

    @Override
    public void onDestroy() {
        super.onDestroy();

        log("onDestroy()");

        if (mNotificationManager == null)
            mNotificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);

        mNotificationManager.cancel(NOTIFICATION_ID);

        LocalBroadcastUtils.updateTvShowLibrary(this);
    }

    @Override
    protected void onHandleIntent(Intent intent) {

        if (MizLib.isTvShowLibraryBeingUpdated(this)) {
            Handler mHandler = new Handler(Looper.getMainLooper());
            mHandler.post(new Runnable() {
                @Override
                public void run() {
                    Toast.makeText(IdentifyTvShowEpisodeService.this, R.string.cant_identify_while_updating, Toast.LENGTH_LONG).show();
                }
            });

            return;
        }

        log("clear()");
        clear();

        log("setup()");
        setup();

        log("Intent extras");
        Bundle b = intent.getExtras();
        mNewShowId = b.getString("newShowId");
        mOldShowId = b.getString("oldShowId");
        mLanguage = b.getString("language", "all");
        mFilepaths = b.getStringArrayList("filepaths");

        if (mFilepaths != null) {
            log("setupList()");
            setupList();

            log("removeOldDatabaseEntries()");
            removeOldDatabaseEntries();

            log("start()");
            start();
        }
    }

    private void setupList() {
        for (String path : mFilepaths) {
            mFiles.add(new ShowStructure(path));
        }

        // Count all episodes
        for (ShowStructure ss : mFiles) {
            mTotalFiles += ss.getEpisodes().size();
        }
    }

    private void removeOldDatabaseEntries() {
        // Remove all old database mappings
        for (String path : mFilepaths) {
            if (!TextUtils.isEmpty(mOldShowId))
                TvShowDatabaseUtils.deleteEpisode(this, mOldShowId, path);
            else
                MizuuApplication.getTvShowEpisodeMappingsDbAdapter().deleteFilepath(path);
        }

        LocalBroadcastUtils.updateTvShowLibrary(this);
    }

    private void start() {
        TvShowIdentification identification = new TvShowIdentification(this, this, mFiles);
        identification.setShowId(mNewShowId);
        identification.setLanguage(mLanguage);
        identification.start();
    }

    /**
     * Clear all instance variables
     * since this is an {@link IntentService}.
     */
    private void clear() {
        mNewShowId = "";
        mOldShowId = "";
        mLanguage = "";
        mFiles = new ArrayList<ShowStructure>();
    }

    private void setup() {
        // Setup up notification
        mBuilder = new NotificationCompat.Builder(getApplicationContext());
        mBuilder.setColor(getResources().getColor(R.color.color_primary));
        mBuilder.setSmallIcon(R.drawable.ic_sync_white_24dp);
        mBuilder.setTicker(getString(R.string.identifying_episodes));
        mBuilder.setContentTitle(getString(R.string.identifying_episodes));
        mBuilder.setContentText(getString(R.string.gettingReady));
        mBuilder.setOngoing(true);
        mBuilder.setOnlyAlertOnce(true);

        // Build notification
        Notification updateNotification = mBuilder.build();

        // Show the notification
        mNotificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
        mNotificationManager.notify(NOTIFICATION_ID, updateNotification);

        // Tell the system that this is an ongoing notification, so it shouldn't be killed
        startForeground(NOTIFICATION_ID, updateNotification);
    }

    @Override
    public void onTvShowAdded(String showId, String title, Bitmap cover, Bitmap backdrop, int count) {
        // We're done!
    }

    @Override
    public void onEpisodeAdded(String showId, String title, Bitmap cover, Bitmap photo) {
        mEpisodeCount++;
        updateEpisodeAddedNotification(showId, title, cover, photo);
    }

    private void updateEpisodeAddedNotification(String showId, String title, Bitmap cover, Bitmap backdrop) {
        String contentText = getString(R.string.stringJustAdded) + ": " + title;

        mBuilder.setLargeIcon(cover);
        mBuilder.setContentTitle(getString(R.string.identifying_episodes) + " (" + (int) ((100.0 / (double) mTotalFiles) * (double) mEpisodeCount) + "%)");
        mBuilder.setContentText(contentText);
        mBuilder.setStyle(
                new NotificationCompat.BigPictureStyle()
                        .setSummaryText(contentText)
                        .bigPicture(backdrop)
        );

        // Show the updated notification
        mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build());
    }

    private void log(String msg) {
        if (mDebugging)
            Log.d("IdentifyTvShowEpisodeService", msg);
    }
}