private async Task RefreshQueueAsync(int[] itemIdsToFetch = null)
{
IMediaChannel mediaChannel = MediaSender.GetChannel <IMediaChannel>();
int[] itemIds = itemIdsToFetch ?? await mediaChannel?.QueueGetItemIdsMessage();
if (itemIds != null && itemIds.Count() > 0)
{
Queue <int> itemIdsQueue = new Queue <int>(itemIds);
IList <QueueItem> currentQueue = Queue.ToList();
while (itemIdsQueue.Count > 0)
{
foreach (QueueItem item in await mediaChannel.QueueGetItemsMessage(itemIdsQueue.DequeueChunk(20).ToArray()))
{
if (currentQueue.FirstOrDefault(i => i.ItemId == item.ItemId) != null)
{
currentQueue[currentQueue.IndexOf(Queue.FirstOrDefault(i => i.ItemId == item.ItemId))] = item;
}
else
if (item.OrderId < currentQueue.Count)
{
currentQueue.Insert((int)item.OrderId, item);
}
else
{
currentQueue.Add(item);
}
}
}
Queue = new ObservableCollection <QueueItem>(currentQueue);
}
}
