/// <summary>
/// Searches for a media of type <typeparamref name="TMedia"/>.
/// </summary>
/// <typeparam name="TMedia">
/// The type of media items to search.
/// </typeparam>
/// <returns>
/// A list of found media items of type <typeparamref name="TMedia"/>.
/// </returns>
/// <exception cref="MediaServerException">
/// An error occurred when receiving result from media server.
/// </exception>
public async Task <IEnumerable <TMedia> > SearchAsync <TMedia>() where TMedia : MediaItem
{
var objectClass = MediaObject.GetClass <TMedia>();
try
{
await this.EnsureSearchCapabilitesReceivedAsync();
var searchCriteria = "upnp:class derivedfrom \"{0}\"".F(objectClass);
var searchResult = await this.contentDirectoryService.SearchAsync("0", searchCriteria, "*", 0, 0, string.Empty);
// TODO: Optimize it
return(searchResult.Result.Select(o => (TMedia)o).GroupBy(m => m.Title).Select(g => g.FirstOrDefault()));
}
catch (FormatException ex)
{
throw new MediaServerException(this, MediaServerError.UnexpectedError, "Received result is in a bad format", ex);
}
catch (UPnPServiceException ex)
{
throw new MediaServerException(this, ex.ErrorCode.ToMediaServerError(), "An error occurred when searching for items of '{0}' class".F(objectClass), ex);
}
}
