private void UpdateSessionsAsync()
{
BeginOnThreadPool(() =>
{
IsWorking = true;
MTProtoService.GetAuthorizationsAsync(
accountAuthorizations => Execute.BeginOnUIThread(() =>
{
Status = string.Empty;
IsWorking = false;
var firstRun = Current == null;
if (firstRun)
{
Items.Clear();
var firstChunkSize = 4;
var count = 0;
var delayedItems = new List <TLAccountAuthorization>();
for (var i = 0; i < accountAuthorizations.Authorizations.Count; i++)
{
var authorization = accountAuthorizations.Authorizations[i];
_authorizationsCache[authorization.Hash.Value] = authorization;
if (authorization.IsCurrent)
{
Current = authorization;
NotifyOfPropertyChange(() => Current);
}
else
{
if (count < firstChunkSize)
{
Items.Add(authorization);
count++;
}
else
{
delayedItems.Add(authorization);
}
}
}
BeginOnUIThread(TimeSpan.FromSeconds(0.5), () =>
{
foreach (var authorization in delayedItems)
{
Items.Add(authorization);
}
});
}
else
{
var newAuthorizationsCache = new Dictionary <long, TLAccountAuthorization>();
var itemsToAdd = new List <TLAccountAuthorization>();
for (var i = 0; i < accountAuthorizations.Authorizations.Count; i++)
{
var authorization = accountAuthorizations.Authorizations[i];
TLAccountAuthorization cachedAuthorization;
if (!_authorizationsCache.TryGetValue(authorization.Hash.Value, out cachedAuthorization))
{
itemsToAdd.Add(authorization);
newAuthorizationsCache[authorization.Hash.Value] = authorization;
}
else
{
cachedAuthorization.Update(authorization);
cachedAuthorization.NotifyOfPropertyChange(() => cachedAuthorization.AppFullName);
cachedAuthorization.NotifyOfPropertyChange(() => cachedAuthorization.DateActive);
cachedAuthorization.NotifyOfPropertyChange(() => cachedAuthorization.DeviceFullName);
cachedAuthorization.NotifyOfPropertyChange(() => cachedAuthorization.ApiId);
cachedAuthorization.NotifyOfPropertyChange(() => cachedAuthorization.IsOfficialApp);
newAuthorizationsCache[authorization.Hash.Value] = cachedAuthorization;
}
}
for (var i = 0; i < Items.Count; i++)
{
if (!newAuthorizationsCache.ContainsKey(Items[i].Hash.Value))
{
Items.RemoveAt(i--);
}
}
for (var i = 0; i < itemsToAdd.Count; i++)
{
Items.Insert(0, itemsToAdd[i]);
}
_authorizationsCache = newAuthorizationsCache;
}
}),
error =>
{
Status = string.Empty;
IsWorking = false;
Execute.ShowDebugMessage("account.getAuthorizations error " + error);
});
});
}
