protected override async Task OnRun()
{
var position = 0;
using (var task = new SingletonReentrantTask(this, ComponentSlots.Database, SingletonReentrantTask.PRIORITY_LOW, async cancellationToken =>
{
var metaDataSource = this.MetaDataSourceFactory.Create();
foreach (var libraryItem in this.LibraryItems)
{
this.Description = Path.GetFileName(libraryItem.FileName);
this.Position = position;
if (!File.Exists(libraryItem.FileName))
{
Logger.Write(this, LogLevel.Debug, "File \"{0}\" no longer exists: Cannot refresh.", libraryItem.FileName);
continue;
}
var metaDatas = await metaDataSource.GetMetaData(libraryItem.FileName).ConfigureAwait(false);
MetaDataItem.Update(metaDatas, libraryItem.MetaDatas, null);
await this.WriteLibraryMetaData(libraryItem).ConfigureAwait(false);
libraryItem.Status = LibraryItemStatus.Import;
await LibraryTaskBase.UpdateLibraryItem(this.Database, libraryItem).ConfigureAwait(false);
position++;
}
}))
{
await task.Run().ConfigureAwait(false);
}
}
public static IEnumerable <string> UpdatePlaylistCache(IPlaylistCache playlistCache, IEnumerable <LibraryItem> libraryItems, IEnumerable <string> names)
{
var result = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
foreach (var libraryItem in libraryItems)
{
var playlistItems = default(PlaylistItem[]);
if (playlistCache.TryGetItemsByLibraryId(libraryItem.Id, out playlistItems))
{
result.AddRange(MetaDataItem.Update(libraryItem, playlistItems, names));
}
}
return(result);
}
public static IEnumerable <string> UpdatePlaylistCache(IPlaylistCache playlistCache, IEnumerable <PlaylistItem> playlistItems, IEnumerable <string> names)
{
var result = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
foreach (var playlistItem in playlistItems)
{
var cachedPlaylistItem = default(PlaylistItem);
if (playlistCache.TryGetItemById(playlistItem.Id, out cachedPlaylistItem))
{
if (!object.ReferenceEquals(playlistItem, cachedPlaylistItem))
{
result.AddRange(MetaDataItem.Update(playlistItem, cachedPlaylistItem, names));
}
}
}
return(result);
}
public static IEnumerable <string> UpdateLibraryCache(ILibraryCache libraryCache, IEnumerable <LibraryItem> libraryItems, IEnumerable <string> names)
{
var result = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
foreach (var libraryItem in libraryItems)
{
var cachedLibraryItem = default(LibraryItem);
if (libraryCache.TryGetItem(libraryItem.Id, out cachedLibraryItem))
{
if (!object.ReferenceEquals(libraryItem, cachedLibraryItem))
{
result.AddRange(MetaDataItem.Update(libraryItem, cachedLibraryItem, names));
}
}
}
return(result);
}
public static IEnumerable <string> UpdateLibraryCache(ILibraryCache libraryCache, IEnumerable <PlaylistItem> playlistItems, IEnumerable <string> names)
{
var result = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
foreach (var playlistItem in playlistItems)
{
if (!playlistItem.LibraryItem_Id.HasValue)
{
continue;
}
var libraryItem = default(LibraryItem);
if (libraryCache.TryGetItem(playlistItem.LibraryItem_Id.Value, out libraryItem))
{
result.AddRange(MetaDataItem.Update(playlistItem, libraryItem, names));
}
}
return(result);
}