private async Task ReadSongsAsync(XmlReader reader)
{
await reader.ReadAsync();
while (reader.LocalName.Equals(Constants.Db.Song))
{
Logger.Debug("Reading a song");
UInt32 id;
if (!UInt32.TryParse(reader.GetAttribute(Constants.Db.Id), out id))
{
Logger.Debug("Could not read song id");
await reader.ReadAsync();
continue;
}
if (reader.IsEmptyElement)
{
Logger.Debug("Song element is empty");
await reader.ReadAsync();
continue;
}
await reader.ReadAsync();
if (reader.IsEndElement(Constants.Db.Song))
{
Logger.Debug("Song element is followed by end element");
reader.ReadEndElement();
continue;
}
reader.ConfirmElement(Constants.Db.SongTitle);
var title = await reader.TryGetContentAsync();
reader.ConfirmElement(Constants.Db.Location);
var location = await reader.TryGetContentAsync();
reader.ConfirmElement(Constants.Db.Milliseconds);
int milliseconds;
if (!int.TryParse(await reader.TryGetContentAsync(), out milliseconds))
{
Logger.Error("Song {0} has a missing or unreadable millisecond value", title);
}
reader.ConfirmElement(Constants.Db.PlayCount);
uint playCount;
if (!uint.TryParse(await reader.TryGetContentAsync(), out playCount))
{
Logger.Error("Song {0} has a missing or unreadable playcount", title);
}
reader.ConfirmElement(Constants.Db.Bpm);
var guess = Convert.ToBoolean(reader.GetAttribute(Constants.Db.Guess));
int bpmValue;
if (!int.TryParse(await reader.TryGetContentAsync(), out bpmValue))
{
Logger.Error("Song {0} has a missing or unreadable BPM value", title);
}
var song = new Song(title, location, milliseconds, new Bpm(bpmValue, guess),
playCount, id);
SongDb.AddSong(song);
reader.ConfirmElement(Constants.Db.Tags);
if (reader.IsEmptyElement)
{
await reader.ReadAsync();
}
else
{
await ReadSongTagsAsync(reader, song);
reader.ReadEndElement();
}
reader.ReadEndElement();
}
}
