private async Task GetMessages(User user)
{
var previousSelected = SelectedUser;
try
{
SelectedUser = user;
var query = (await _messageService.GetDialog(SelectedUser.Id)).ToList();
PraseMessages(query);
var messages = query.OrderBy(m => m.Date).ToList();
foreach (var message in messages.ToArray())
{
message.Body = _cryptTool.SplitAndUnpackReceivedMessage(message.Body);
TakeFileNamesFromBody(message);
if (message.Attachments != null &&
message.Attachments.Where(a => a.File == null).ToList().Count != 0)
{
message.HasUndefinedContent = true;
message.Attachments =
new ObservableCollection <Attachment>(message.Attachments.Where(a => a.File != null));
}
}
if (messages.Count > 0 && messages[0].UserId != SelectedUser.Id)
{
var inMessage = messages.FirstOrDefault(m => !m.Out);
SelectedUser = inMessage != null ? inMessage.User : await _userService.GetUser(SelectedUser.Id);
}
Messages = messages;
}
catch (NullReferenceException ex)
{
SelectedUser = previousSelected;
return;
}
catch (WebException ex)
{
Messages = null;
ShowWebErrorMessage();
return;
}
finally
{
ScrollToEnd = true;
}
SelectedUser.NumberOfNewMessages = null;
var sortedUnreadList =
FoundFriends.Where(f => f.NumberOfNewMessages != null).ToList();
sortedUnreadList.AddRange(FoundFriends.Where(f => f.NumberOfNewMessages == null).OrderBy(f => f.FullName).ToList());
FoundFriends = new List <User>(sortedUnreadList);
if (Messages.Count != 0 && !Messages[0].Out)
{
_messageService.MarkMessagesAsRead(new List <int> {
Messages[0].Id
}, SelectedUser.Id);
}
}