public CreateChannelStep2ViewModel(ICacheService cacheService, ICommonErrorHandler errorHandler, IStateService stateService, INavigationService navigationService, IMTProtoService mtProtoService, ITelegramEventAggregator eventAggregator)
: base(cacheService, errorHandler, stateService, navigationService, mtProtoService, eventAggregator)
{
AdminedPublicChannels = new ObservableCollection <TLChatBase>();
InviteLink = AppResources.Loading;
_newChannel = StateService.NewChannel;
StateService.NewChannel = null;
MTProtoService.CheckUsernameAsync(new TLInputChannelEmpty(), new TLString("username"),
result => BeginOnUIThread(() =>
{
TooMuchUsernames = false;
}),
error => BeginOnUIThread(() =>
{
if (TLRPCError.TypeEquals(error, ErrorType.CHANNELS_ADMIN_PUBLIC_TOO_MUCH))
{
HasError = true;
Error = AppResources.ChannelsAdminPublicTooMuchShort;
TooMuchUsernames = true;
GetAdminedPublichChannelsAsync();
}
}));
PropertyChanged += (sender, args) =>
{
if (Property.NameEquals(args.PropertyName, () => IsPublic))
{
if (!IsPublic && Invite == null)
{
ExportInvite();
}
}
else if (Property.NameEquals(args.PropertyName, () => UserName))
{
var userName = UserName;
BeginOnUIThread(TimeSpan.FromSeconds(0.3), () =>
{
if (string.Equals(userName, UserName))
{
Check();
}
});
}
};
}
public void Check()
{
var checkedUsername = UserName;
var username = UserName;
if (username != null &&
username.StartsWith("@"))
{
username = username.Substring(1, username.Length - 1);
}
if (string.IsNullOrEmpty(username))
{
HasError = false;
IsUsernameAvailable = false;
//Error = string.Empty;
return;
}
var isValidSymbols = username.All(IsValidSymbol);
if (!isValidSymbols)
{
HasError = true;
Error = AppResources.ChannelNameInvalid;
return;
}
if (username[0] >= '0' && username[0] <= '9')
{
HasError = true;
Error = AppResources.ChannelNameStartsWithNumber;
return;
}
if (username.Length < Constants.UsernameMinLength)
{
HasError = true;
Error = AppResources.ChannelNameShort;
return;
}
HasError = false;
IsUsernameAvailable = false;
MTProtoService.CheckUsernameAsync(_newChannel.ToInputChannel(), new TLString(username),
result => BeginOnUIThread(() =>
{
HasError = !result.Value;
if (HasError)
{
Error = AppResources.ChannelNameOccupied;
}
if (string.Equals(checkedUsername, UserName) && result.Value)
{
IsUsernameAvailable = true;
UsernameAvailableString = string.Format(AppResources.NameIsAvailable, checkedUsername);
}
}),
error => BeginOnUIThread(() =>
{
HasError = true;
if (TLRPCError.CodeEquals(error, ErrorCode.FLOOD))
{
Error = AppResources.FloodWaitString;
}
else if (TLRPCError.CodeEquals(error, ErrorCode.INTERNAL))
{
var messageBuilder = new StringBuilder();
messageBuilder.AppendLine(AppResources.ServerErrorMessage);
messageBuilder.AppendLine();
messageBuilder.AppendLine("Method: channels.checkUsername");
messageBuilder.AppendLine("Result: " + error);
Error = AppResources.ServerError;
}
else if (TLRPCError.CodeEquals(error, ErrorCode.BAD_REQUEST))
{
if (TLRPCError.TypeEquals(error, ErrorType.USERNAME_INVALID))
{
Error = AppResources.ChannelNameInvalid;
}
else if (TLRPCError.TypeEquals(error, ErrorType.USERNAME_OCCUPIED))
{
Error = AppResources.ChannelNameOccupied;
}
else if (TLRPCError.TypeEquals(error, ErrorType.CHANNELS_ADMIN_PUBLIC_TOO_MUCH))
{
MessageBox.Show(AppResources.ChannelsAdminPublicTooMuch, AppResources.Error, MessageBoxButton.OK);
Error = AppResources.ChannelsAdminPublicTooMuchShort;
TooMuchUsernames = true;
GetAdminedPublichChannelsAsync();
}
else
{
Error = error.ToString();
}
}
else
{
Error = string.Empty;
Execute.ShowDebugMessage("channels.checkUsername error " + error);
}
}));
}
public void Check()
{
var local = Username;
var username = Username;
if (username != null &&
username.StartsWith("@"))
{
username = username.Substring(1, username.Length - 1);
}
if (string.IsNullOrEmpty(username))
{
HasError = false;
//Error = string.Empty;
return;
}
var isValidSymbols = username.All(IsValidSymbol);
if (!isValidSymbols)
{
var message = IsMegaGroup ? AppResources.SupergroupNameInvalid : AppResources.ChannelNameInvalid;
HasError = true;
Error = message;
return;
}
if (username[0] >= '0' && username[0] <= '9')
{
var message = IsMegaGroup ? AppResources.SupergroupNameStartsWithNumber : AppResources.ChannelNameStartsWithNumber;
HasError = true;
Error = message;
return;
}
if (username.Length < Constants.UsernameMinLength)
{
var message = IsMegaGroup ? AppResources.SupergroupNameShort : AppResources.ChannelNameShort;
HasError = true;
Error = message;
return;
}
if (_currentItem == null)
{
return;
}
MTProtoService.CheckUsernameAsync(_currentItem.ToInputChannel(), new TLString(username),
result => Execute.BeginOnUIThread(() =>
{
if (local != Username)
{
return;
}
HasError = !result.Value;
if (HasError)
{
Error = AppResources.UsernameOccupied;
}
}),
error => Execute.BeginOnUIThread(() =>
{
HasError = true;
if (TLRPCError.CodeEquals(error, ErrorCode.FLOOD))
{
Error = AppResources.FloodWaitString;
}
else if (TLRPCError.CodeEquals(error, ErrorCode.INTERNAL))
{
var messageBuilder = new StringBuilder();
messageBuilder.AppendLine(AppResources.ServerErrorMessage);
messageBuilder.AppendLine();
messageBuilder.AppendLine("Method: channel.checkUsername");
messageBuilder.AppendLine("Result: " + error);
Error = AppResources.ServerError;
}
else if (TLRPCError.CodeEquals(error, ErrorCode.BAD_REQUEST))
{
if (TLRPCError.TypeEquals(error, ErrorType.USERNAME_INVALID))
{
var message = IsMegaGroup
? AppResources.SupergroupNameInvalid
: AppResources.ChannelNameInvalid;
Error = message;
}
else if (TLRPCError.TypeEquals(error, ErrorType.CHANNELS_ADMIN_PUBLIC_TOO_MUCH))
{
var message = AppResources.ChannelsAdminPublicTooMuchShort;
Error = message;
}
else if (TLRPCError.TypeEquals(error, ErrorType.USERNAME_OCCUPIED))
{
var message = IsMegaGroup
? AppResources.SupergroupNameOccupied
: AppResources.ChannelNameOccupied;
Error = message;
}
else
{
Error = error.ToString();
//Execute.BeginOnUIThread(() => NavigationService.GoBack());
}
}
else
{
Error = string.Empty;
Execute.ShowDebugMessage("channel.updateUsername error " + error);
}
}));
}
public void Check()
{
var checkedUsername = Username;
var username = Username;
if (username != null &&
username.StartsWith("@"))
{
username = username.Substring(1, username.Length - 1);
}
if (string.IsNullOrEmpty(username))
{
HasError = false;
IsUsernameAvailable = false;
//Error = string.Empty;
return;
}
var isValidSymbols = username.All(IsValidSymbol);
if (!isValidSymbols)
{
HasError = true;
Error = AppResources.UsernameInvalid;
return;
}
if (username[0] >= '0' && username[0] <= '9')
{
HasError = true;
Error = AppResources.UsernameStartsWithNumber;
return;
}
if (username.Length < Constants.UsernameMinLength)
{
HasError = true;
Error = AppResources.UsernameShort;
return;
}
HasError = false;
IsUsernameAvailable = false;
MTProtoService.CheckUsernameAsync(new TLString(username),
result =>
{
HasError = !result.Value;
if (HasError)
{
Error = AppResources.UsernameOccupied;
}
if (string.Equals(checkedUsername, Username) && result.Value)
{
IsUsernameAvailable = true;
UsernameAvailableString = string.Format(AppResources.NameIsAvailable, checkedUsername);
}
},
error =>
{
HasError = true;
if (TLRPCError.CodeEquals(error, ErrorCode.FLOOD))
{
Error = AppResources.FloodWaitString;
}
else if (TLRPCError.CodeEquals(error, ErrorCode.INTERNAL))
{
var messageBuilder = new StringBuilder();
messageBuilder.AppendLine(AppResources.ServerErrorMessage);
messageBuilder.AppendLine();
messageBuilder.AppendLine("Method: account.checkUsername");
messageBuilder.AppendLine("Result: " + error);
Error = AppResources.ServerError;
}
else if (TLRPCError.CodeEquals(error, ErrorCode.BAD_REQUEST))
{
if (TLRPCError.TypeEquals(error, ErrorType.USERNAME_INVALID))
{
Error = AppResources.UsernameInvalid;
}
else if (TLRPCError.TypeEquals(error, ErrorType.USERNAME_OCCUPIED))
{
Error = AppResources.UsernameOccupied;
}
else
{
Error = error.ToString();
//Execute.BeginOnUIThread(() => NavigationService.GoBack());
}
}
else
{
Error = string.Empty;
Execute.ShowDebugMessage("account.checkUsername error " + error);
}
});
}