private R <Playlist, LocalStr> ReadFromFile(string listId, bool headOnly = false)
{
var fi = NameToFile(listId);
if (!fi.Exists)
{
return(new LocalStr(strings.error_playlist_not_found));
}
using (var sr = new StreamReader(fi.Open(FileMode.Open, FileAccess.Read, FileShare.Read), Tools.Utf8Encoder))
{
var metaRes = ReadHeadStream(sr);
if (!metaRes.Ok)
{
return(metaRes.Error);
}
var meta = metaRes.Value;
playlistInfo[listId] = meta;
var plist = new Playlist
{
Title = meta.Title
};
if (headOnly)
{
return(plist);
}
// read content
string line;
while ((line = sr.ReadLine()) != null)
{
var kvp = line.Split(new[] { ':' }, 2);
if (kvp.Length < 2)
{
continue;
}
string key = kvp[0];
string value = kvp[1];
switch (key)
{
// Legacy entry
case "rs":
{
var rskvp = value.Split(new[] { ':' }, 2);
if (kvp.Length < 2)
{
Log.Warn("Erroneus playlist split count: {0}", line);
continue;
}
string optOwner = rskvp[0];
string content = rskvp[1];
var rsSplit = content.Split(new[] { ',' }, 3);
if (rsSplit.Length < 3)
{
goto default;
}
if (!string.IsNullOrWhiteSpace(rsSplit[0]))
{
plist.Add(new PlaylistItem(new AudioResource(Uri.UnescapeDataString(rsSplit[1]), Uri.UnescapeDataString(rsSplit[2]), rsSplit[0])));
}
else
{
goto default;
}
break;
}
case "rsj":
var res = JsonConvert.DeserializeObject <AudioResource>(value);
plist.Add(new PlaylistItem(res));
break;
case "id":
case "ln":
Log.Warn("Deprecated playlist data block: {0}", line);
break;
default:
Log.Warn("Erroneus playlist data block: {0}", line);
break;
}
}
meta.Count = plist.Items.Count;
return(plist);
}
}
public void Update(Playlist list)
{
Playlist = list;
PlaylistIO.UpdateMeta(Meta, list);
}