private static async void BotOnMessageReceived(object sender, MessageEventArgs messageEventArgs)
{
var message = messageEventArgs.Message;
if (message == null || message.Type != MessageType.Text)
{
return;
}
var userFrom = message.From;
switch (message.Text.Split(' ').First())
{
case "/start":
var loadUser = _userManagementService.CheckUserRegistration(userFrom.Id.ToString());
if (loadUser == null)
{
UserRegistrationModel model = new UserRegistrationModel()
{
ChatId = userFrom.Id.ToString(),
UserName = userFrom.Username
};
var registeredUser = _userManagementService.SignUpApplicationUser(model);
await TelegramBotEndpoint.SendTextMessageAsync(
message.Chat.Id,
$"Hello {registeredUser.UserName}, you are signed up!");
break;
}
else
{
await TelegramBotEndpoint.SendTextMessageAsync(
message.Chat.Id,
$"Hello {loadUser.UserName}, welcome back!");
break;
}
case "/getBook":
if (_bookManagementService.CheckQuantityGet(userFrom.Id))
{
byte[] bytes = _bookManagementService.GetBook();
await TelegramBotEndpoint
.SendDocumentAsync(
new ChatId(messageEventArgs.Message.Chat.Id),
new InputOnlineFile(new MemoryStream(bytes), "Book"));
_bookManagementService.AddBookRequestRecord(userFrom.Id);
}
else
{
await TelegramBotEndpoint
.SendTextMessageAsync(
new ChatId(messageEventArgs.Message.Chat.Id),
$"You've already got 3 books today, try tomorrow");
}
break;
}
}