/// <summary>
/// Gets the episode location.
/// </summary>
/// <param name="episode">The episode to get the path for</param>
/// <returns>The episode location.</returns>
public static string GetEpisodeLocation(Episode episode)
{
char sep = Path.DirectorySeparatorChar;
string ext = Path.GetExtension(episode.Url.ToString());
string subscriptionFolder = episode.Parent.Filename;
string episodeName = episode.Filename;
string externalStorage = Android.OS.Environment.ExternalStorageDirectory.ToString();
string appName = "Podcasts";
return externalStorage + sep + appName + sep + subscriptionFolder + sep + episodeName + ext;
}
/// <summary>
/// Pushs the updates.
/// </summary>
/// <param name='episode'>Episode.</param>
public static void PushUpdates(Episode episode)
{
string json = JsonConvert.SerializeObject(episode);
Uri location = new Uri(GPodderLocation + "/api/2/episodes/" + connectedUser.Username + JSONExtension);
postData(location, GetBytes(json));
}
/// <summary>
/// Ons the start.
/// </summary>
/// <param name='intent'> Intent.</param>
/// <param name='startId'>Start identifier.</param>
public override void OnStart(Intent intent, int startId)
{
base.OnStart(intent, startId);
stop();
episode = EpisodeList.SelectedEpisode;
player = MediaPlayer.Create(PortaPodderApp.Context, Android.Net.Uri.Parse(PortaPodderDataSource.GetEpisodeLocation(episode)));
// set the player to update the episode current position whenever a seek operation is sent
player.SeekComplete += delegate(object sender, EventArgs e) {
episode.PlayerPosition = player.CurrentPosition;
};
// there is not duration meta-data to be had in the gpodder data structures, so we need to determine it once the media player has
// been created and set it at this time and then broadcast it
episode.Duration = player.Duration;
// go to the last recorded position and start playing from there
player.SeekTo(episode.PlayerPosition);
player.Start();
// the progress monitor is the background thread which is going to send broadcasts about how far along the player is
progressMonitor.Stop = false;
if(!progressMonitor.IsRunning) {
progressMonitor.Execute();
}
// now bind an incoming message reciever for operations
IntentFilter intentToReceiveFilter = new IntentFilter();
intentToReceiveFilter.AddAction(PLAYER_INSTRUCTION_SEEK_RELATIVE_FORWARD);
intentToReceiveFilter.AddAction(PLAYER_INSTRUCTION_SEEK_RELATIVE_BACKWARD);
intentToReceiveFilter.AddAction(PLAYER_INSTRUCTION_SEEK_ABSOLUTE);
this.RegisterReceiver(reciever, intentToReceiveFilter, null, handler);
receiversRegistered = true;
}
/// <summary>
/// Cursors to episode.
/// </summary>
/// <returns>The to episode.</returns>
/// <param name='cursor'>Cursor.</param>
private Episode cursorToEpisode(ICursor cursor)
{
Episode episode = new Episode();
episode.Description = cursor.GetString(cursor.GetColumnIndex(Episode.COL_DESCRIPTION));
episode.MygpoLink = stringToUrl(cursor.GetString(cursor.GetColumnIndex(Episode.COL_MYGPO_LINK)));
episode.PodcastTitle = cursor.GetString(cursor.GetColumnIndex(Episode.COL_PODCAST_TITLE));
episode.PodcastUrl = stringToUrl(cursor.GetString(cursor.GetColumnIndex(Episode.COL_PODCAST_URL)));
episode.Released = DateTime.Parse(cursor.GetString(cursor.GetColumnIndex(Episode.COL_RELEASED)));
episode.Status = (Episode.EpisodeStatus)Enum.Parse(typeof(Episode.EpisodeStatus), cursor.GetString(cursor.GetColumnIndex(Episode.COL_STATUS)));
episode.Title = cursor.GetString(cursor.GetColumnIndex(Episode.COL_TITLE));
episode.Url = stringToUrl(cursor.GetString(cursor.GetColumnIndex(Episode.COL_URL)));
episode.Website = stringToUrl(cursor.GetString(cursor.GetColumnIndex(Episode.COL_WEBSITE)));
episode.PlayerPosition = cursor.GetInt(cursor.GetColumnIndex(Episode.COL_PLAYER_POSITION));
episode.Duration = cursor.GetInt(cursor.GetColumnIndex(Episode.COL_DURATION));
return episode;
}
/// <summary>
/// Creates the content values.
/// </summary>
/// <returns>The content values.</returns>
/// <param name='episode'>Episode.</param>
private ContentValues createContentValues(Episode episode)
{
ContentValues values = new ContentValues();
values.Put(Episode.COL_DESCRIPTION, episode.Description);
values.Put(Episode.COL_MYGPO_LINK, episode.MygpoLink != null ? episode.MygpoLink.ToString() : string.Empty);
values.Put(Episode.COL_PODCAST_TITLE, episode.PodcastTitle);
values.Put(Episode.COL_PODCAST_URL, episode.PodcastTitle != null ? episode.PodcastUrl.ToString() : string.Empty);
values.Put(Episode.COL_RELEASED, episode.Released.ToString());
values.Put(Episode.COL_STATUS, episode.Status.ToString());
values.Put(Episode.COL_TITLE, episode.Title);
values.Put(Episode.COL_URL, episode.Url != null ? episode.Url.ToString() : string.Empty);
values.Put(Episode.COL_WEBSITE, episode.Website != null ? episode.Website.ToString() : string.Empty);
values.Put(Episode.COL_PLAYER_POSITION, episode.PlayerPosition);
values.Put(Episode.COL_DURATION, episode.Duration);
return values;
}
/// <summary>
/// Update the specified episode.
/// </summary>
/// <param name='episode'>Episode.</param>
public void Update(Episode episode)
{
try{
dbHelper.WritableDatabase.Update(Episode.TABLE_NAME, createContentValues(episode), Episode.COL_URL + "=?", new string[]{episode.Url.ToString()});
}
catch(Exception exc) {
throw new Exception("Could not update episode " + episode.Url, exc);
}
}
/// <summary>
/// Inserts the episode.
/// </summary>
/// <param name='episode'>Episode.</param>
public bool InsertOrUpdate(Episode episode)
{
if(dbHelper == null || dbHelper.WritableDatabase == null || episode == null || episode.Url == null) {
return false;
}
// attempt to query the database for this item
ICursor cursor = dbHelper.WritableDatabase.Query(Episode.TABLE_NAME, null, Episode.COL_URL + " = ?", new string[]{episode.Url.ToString()}, null, null, null);
if(cursor.Count > 0) {
Update(episode);
return false;
}
else {
Insert(new List<Episode>(new Episode[]{episode}));
return true;
}
}
/// <summary>
/// Deletes the episode.
/// </summary>
/// <param name='episode'>Episode.</param>
public void DeleteEpisode(Episode episode)
{
try {
dbHelper.WritableDatabase.Delete(Episode.TABLE_NAME, Episode.COL_URL + "=?", new string[]{episode.Url.ToString()});
// now try to delete the file from the file system
string path = GetEpisodeLocation(episode);
if(File.Exists(path)){
File.Delete(path);
}
}
catch(Exception exc) {
throw new Exception("Could not delete episode " + episode.Url, exc);
}
}