void CacheController_RefreshCompleted(object sender, RefreshCompletedEventArgs e)
{
this.Flush();
SyncCompletedEventArgs args = new SyncCompletedEventArgs(e.Cancelled, e.Error, e.Statistics);
this.OnSyncCompleted(args);
}
/// <summary>
/// Handles the cache controller refresh completed event.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void CacheController_RefreshCompleted(object sender, RefreshCompletedEventArgs e)
{
SyncInactive = true;
if (e.Error == null)
{
LastSyncStatus = "Synchronization with service completed successfully";
}
else
{
LastSyncStatus = "Synchronization failed: " + e.Error.ToString();
}
}
public override async Task <bool> RefreshItemsAsync()
{
isRefreshing = true;
sourceCancel = new CancellationTokenSource();
cancelToken = sourceCancel.Token;
bool isOK = false;
int oldItemCount = itemCount;
if (forceRefresh)
{
oldItemCount = itemCount;
itemCount = -1;
forceRefresh = false;
}
try
{
(bool isSucces, List <IContentItem> list, string error) = await yClient.FetchAllItemsAsync(whichPage, itemCount, cancelToken).ConfigureAwait(false);
isOK = isSucces;
itemCount = oldItemCount;
errorMessage = error;
if (isOK && !cancelToken.IsCancellationRequested)
{
newItems.Clear();
var keepItems = new List <IContentItem>();
var newIds = new List <int>();
var keepIds = new List <int>();
int howManyToFetch = list.Count >= itemCount ? itemCount : list.Count;
var newIdsList = new List <int>(howManyToFetch);
for (int i = 0; i < howManyToFetch; i++)
{
newIdsList.Add(list[i].ItemId);
}
for (int i = 0; i < howManyToFetch; i++)
{
if (cancelToken.IsCancellationRequested)
{
isOK = false;
break;
}
if (!currentIds.Contains(newIdsList[i]))
{
newItems.Add(list[i]);
newIds.Add(newIdsList[i]);
}
else
{
keepItems.Add(list[i]);
keepIds.Add(newIdsList[i]);
}
}
currentItems.Clear();
currentIds.Clear();
foreach (IContentItem item in keepItems)
{
currentItems.Add(item);
currentIds.Add(item.ItemId);
}
foreach (IContentItem item in newItems)
{
currentItems.Add(item);
currentIds.Add(item.ItemId);
}
}
}
catch (TaskCanceledException te)
{
errorMessage = $"{errorMessage}: {te.ToString()}";
Logger.Log(errorMessage, Logger.Level.Error);
}
if (sourceCancel != null)
{
sourceCancel.Dispose();
}
sourceCancel = null;
var e = new RefreshCompletedEventArgs(isOK);
OnRefreshCompleted(e);
itemCount = oldItemCount;
isRefreshing = false;
return(isOK);
}
