public async void PopulateGuildsAndChannels() { // Create progress operation var operation = ProgressManager.CreateOperation(); try { // Sanitize token TokenValue = TokenValue.Trim('"'); // Create token var token = new AuthToken( IsBotToken ? AuthTokenType.Bot : AuthTokenType.User, TokenValue); // Save token _settingsService.LastToken = token; // Prepare available guild list var availableGuilds = new List <GuildViewModel>(); // Get direct messages { // Get fake guild var guild = Guild.DirectMessages; // Get channels var channels = await _dataService.GetDirectMessageChannelsAsync(token); // Create channel view models var channelViewModels = new List <ChannelViewModel>(); foreach (var channel in channels) { // Get fake category var category = channel.Type == ChannelType.DirectTextChat ? "Private" : "Group"; // Create channel view model var channelViewModel = _viewModelFactory.CreateChannelViewModel(channel, category); // Add to list channelViewModels.Add(channelViewModel); } // Create guild view model var guildViewModel = _viewModelFactory.CreateGuildViewModel(guild, channelViewModels.OrderBy(c => c.Category) .ThenBy(c => c.Model.Name) .ToArray()); // Add to list availableGuilds.Add(guildViewModel); } // Get guilds var guilds = await _dataService.GetUserGuildsAsync(token); foreach (var guild in guilds) { // Get channels var channels = await _dataService.GetGuildChannelsAsync(token, guild.Id); // Get category channels var categoryChannels = channels.Where(c => c.Type == ChannelType.Category).ToArray(); // Get text channels var textChannels = channels.Where(c => c.Type == ChannelType.GuildTextChat).ToArray(); // Create channel view models var channelViewModels = new List <ChannelViewModel>(); foreach (var channel in textChannels) { // Get category var category = categoryChannels.FirstOrDefault(c => c.Id == channel.ParentId)?.Name; // Create channel view model var channelViewModel = _viewModelFactory.CreateChannelViewModel(channel, category); // Add to list channelViewModels.Add(channelViewModel); } // Create guild view model var guildViewModel = _viewModelFactory.CreateGuildViewModel(guild, channelViewModels.OrderBy(c => c.Category) .ThenBy(c => c.Model.Name) .ToArray()); // Add to list availableGuilds.Add(guildViewModel); } // Update available guild list AvailableGuilds = availableGuilds; // Pre-select first guild SelectedGuild = AvailableGuilds.FirstOrDefault(); } catch (HttpErrorStatusCodeException ex) when(ex.StatusCode == HttpStatusCode.Unauthorized) { Notifications.Enqueue("Unauthorized – make sure the token is valid"); } catch (HttpErrorStatusCodeException ex) when(ex.StatusCode == HttpStatusCode.Forbidden) { Notifications.Enqueue("Forbidden – account may be locked by 2FA"); } finally { // Dispose progress operation operation.Dispose(); } }