private async Task LoadPlaylistInfoInternal(string playlistid)
{
PlaylistItems.Clear();
string pagination = null;
string firstpagination = null;
// Loop through 4 times to load this completely at least
// due to YouTube's 50 result restriction
// Max playlist restriction = 200 video anyway
for (int i = 0; i < 4; i++)
{
IList <Google.Apis.YouTube.v3.Data.PlaylistItem> collection = null;
// Load playlist
var videoInfoRequest = YoutubeService.service.PlaylistItems.List("contentDetails,id,status,snippet");
videoInfoRequest.PlaylistId = playlistid;
videoInfoRequest.MaxResults = 50;
if (pagination != null)
{
videoInfoRequest.PageToken = pagination;
}
try
{
var videoResultResponse = await videoInfoRequest.ExecuteAsync();
// Set new pagination
pagination = videoResultResponse.NextPageToken;
if (firstpagination == null)
{
firstpagination = pagination; // no choice, we might load the first at the end again.. there's no pagination information for the first page
}
else if (firstpagination == pagination)
{
break;
}
collection = videoResultResponse.Items;
}
catch { }
// Add it to new collection
if (collection != null)
{
foreach (Google.Apis.YouTube.v3.Data.PlaylistItem item in collection)
{
// item.Snippet.ur
PlaylistItems.Add(item);
}
}
}
// Update playlist item count
PlaylistItemsCount = _PlaylistItems.Count;
}
public void LoadState(string parameter, Dictionary <string, object> statePageState)
{
if (!statePageState.ContainsKey(StatePlaylistKey) || PlaylistItems.Any())
{
return;
}
var bytes = Convert.FromBase64String((string)statePageState[StatePlaylistKey]);
var memoryStream = new MemoryStream(bytes);
var xmlSerializer = new XmlSerializer(typeof(PlaylistItemCollection));
var playlist = (PlaylistItemCollection)xmlSerializer.Deserialize(memoryStream);
PlaylistItems.Clear();
PlaylistItems.AddRange(playlist);
}
/// <summary>
/// Clears the playlist
/// </summary>
public void ClearPlaylist()
{
PlaylistItems.Clear();
}
