public async Task DeleteNotifications( XCollection<Notification> notifications, CancellationToken cancellationToken )
{
var exits = await RefreshNotifications( cancellationToken );
var newcollection = new XCollection<Notification>();
foreach (var notification in exits)
{
if (notifications.All( x => x.NotifiedPerson != notification.NotifiedPerson ))
{
newcollection.Add( notification );
}
}
var authors = new List<string>();
foreach (var notification in newcollection)
{
if (!string.IsNullOrEmpty( notification.NotifiedPerson ))
{
authors.Add( notification.NotifiedPerson );
}
}
string authorsString = string.Join( "||", authors );
XCollection<Notification> result;
Dictionary<string, object> parameters;
if( string.IsNullOrEmpty( authorsString ) )
{
if( exits.Count > 0 )
{
for (int i = notifications.Count - 1; i >= 0; i--)
{
var notif = exits.FirstOrDefault(x => x.NotifiedPerson == notifications[i].NotifiedPerson);
if (notif != null) exits.Remove(notif);
}
string newAuthorsString = string.Join("||", exits);
parameters = new Dictionary<string, object>
{
{ "update_subscr", newAuthorsString }
};
result = (await _client.Subscriptions( parameters, cancellationToken )).Notifications;
//parameters = new Dictionary<string, object>
//{
// { "del_subscr", exits[0].NotifiedPerson }
//};
//result = ( await _client.Subscriptions( parameters, cancellationToken ) ).Notifications;
}
else
{
result = new XCollection<Notification>();
}
}
else
{
parameters = new Dictionary<string, object>
{
{ "update_subscr", authorsString }
};
result = (await _client.Subscriptions( parameters, cancellationToken )).Notifications;
}
UpdateNotificationList( result, cancellationToken );
}