private static async Task SendNotification(string type, string title, string message)
{
foreach (var user in GraphApiConnector.users)
{
await _notifications.PostNotifications(new NotificationDTO
{
Type = type,
Title = title,
Description = message,
Origin = "API",
Destination = user.Id
});
await SendGridAPIConnector.SendEmail(
new SendGrid.Helpers.Mail.EmailAddress(user.Identities.Where(identity => identity.SignInType.Equals("emailAddress")).FirstOrDefault().IssuerAssignedId, user.DisplayName),
title,
message,
message
);
}
await _notificationsHub.Clients.All.SendAsync("Notification", type, title, "API", message);
}
private static async Task SendNotificationToUser(string type, string title, string message, Event @event)
{
if (@event.NotificationType != 0)
{
await _notifications.PostNotifications(new NotificationDTO
{
Type = type,
Title = title,
Description = message,
Origin = "API",
Destination = @event.Username.ToString()
});
}
User user = GraphApiConnector.users.Where(user => user.Id.Equals(@event.Username.ToString())).First();
if (@event.NotificationType.HasFlag(NotificationType.Email))
{
await SendGridAPIConnector.SendEmail(
new SendGrid.Helpers.Mail.EmailAddress(user.Identities.Where(identity => identity.SignInType.Equals("emailAddress")).FirstOrDefault().IssuerAssignedId, user.DisplayName),
title,
message,
message
);
}
if (@event.NotificationType.HasFlag(NotificationType.PopUp))
{
await _notificationsHub.Clients.User(@event.Username.ToString()).SendAsync("Notification", type, title, "API", message);
}
if (@event.NotificationType.HasFlag(NotificationType.Telegram))
{
await TelegramAPIConnector.SendMessageToChat(user.AdditionalData["extension_257f2369f5054b62a0f21c2c82ad96fc_TelegramChatId"].ToString(), message);
}
}
private static async void Bot_OnMessage(object sender, MessageEventArgs e)
{
if (e.Message.Text != null)
{
await GraphApiConnector.UpdateUsers();
BotCommand[] commands = await botClient.GetMyCommandsAsync();
await botClient.SendChatActionAsync(e.Message.Chat.Id, ChatAction.Typing);
string response = null;
if (e.Message.ReplyToMessage != null)
{
var subscription = subscriptions.Where(subscription => subscription.MessageId.Equals(e.Message.ReplyToMessage.MessageId)).FirstOrDefault();
if (subscription != null)
{
if (subscription.WaitingEmail)
{
if (e.Message.Text.Trim().Equals(subscription.Token))
{
subscriptions.Remove(subscription);
await GraphApiConnector.AddTelegramSubscription(subscription.User, e.Message.Chat.Id.ToString());
response = "This chat is now associated with account with email address " + subscription.User.Identities.Where(identity => identity.SignInType.Equals("emailAddress")).First().IssuerAssignedId;
}
else
{
response = "Wrong code";
}
}
else
{
var user = GraphApiConnector.users
.Where(user => user.Identities
.Where(identity => identity.SignInType.Equals("emailAddress")).First()
.IssuerAssignedId.Equals(e.Message.Text.ToString().Trim().ToLower()))
.FirstOrDefault();
if (user != null)
{
if (!user.AdditionalData.TryGetValue("extension_257f2369f5054b62a0f21c2c82ad96fc_TelegramChatId", out _))
{
Random r = new Random();
string randNum = r.Next(1000000).ToString("D6");
subscription.User = user;
subscription.Token = randNum;
subscription.WaitingEmail = true;
await SendGridAPIConnector.SendEmail(new EmailAddress()
{
Email = user.Identities.Where(identity => identity.SignInType.Equals("emailAddress")).First().IssuerAssignedId,
Name = user.DisplayName
},
"EMSfIIoT TelgramBot",
randNum,
randNum);
response = "Please insert the code you received in your email address";
var message = await botClient.SendTextMessageAsync(
chatId : e.Message.Chat,
text : response,
replyMarkup : new ForceReplyMarkup()
);
subscription.MessageId = message.MessageId;
subscription.MessageDate = DateTime.Now;
return;
}
else
{
response = "This account is already associated with another chat";
}
}
else
{
response = "User with email address " + e.Message.Text.ToString().Trim().ToLower() + " not found";
}
}
}
else
{
response = "Invalid request. Please try again.";
}
await botClient.SendTextMessageAsync(
chatId : e.Message.Chat,
text : response
);
return;
}
switch (e.Message.Text)
{
case "/start":
response = "Hello " + e.Message.From.FirstName + " " + e.Message.From.LastName + "\n";
response += "Welcome to the EMSfIIoT Telegram Bot!\n";
commands.ToList().ForEach(command =>
{
response += "\n/" + command.Command + " - " + command.Description;
});
break;
case "/help":
commands.ToList().ForEach(command =>
{
response += "/" + command.Command + " - " + command.Description + "\n";
});
break;
case "/subscribe":
foreach (var user in GraphApiConnector.users)
{
if (user.AdditionalData.TryGetValue("extension_257f2369f5054b62a0f21c2c82ad96fc_TelegramChatId", out var value))
{
if (Convert.ToInt64(value).Equals(e.Message.Chat.Id))
{
response = "This chat is already associated with an account";
}
}
}
if (response != null)
{
break;
}
response = "Please insert your EMSfIIoT account email address";
var message = await botClient.SendTextMessageAsync(
chatId : e.Message.Chat,
text : response,
replyMarkup : new ForceReplyMarkup()
);
subscriptions.Add(new TelgramSubscription()
{
MessageId = message.MessageId,
MessageDate = DateTime.Now,
WaitingEmail = false
});
return;
case "/unsubscribe":
foreach (var user in GraphApiConnector.users)
{
if (user.AdditionalData.TryGetValue("extension_257f2369f5054b62a0f21c2c82ad96fc_TelegramChatId", out var value))
{
if (Convert.ToInt64(value).Equals(e.Message.Chat.Id))
{
response = user.Identities.Where(identity => identity.SignInType.Equals("emailAddress")).First().IssuerAssignedId;
await GraphApiConnector.RemoveTelegramSubscription(user);
}
}
}
if (response != null)
{
response = "Your subscription associated with account with email address " + response + " was removed";
}
else
{
response = "This chat isn't associated with any account";
}
break;
case "/status":
foreach (var user in GraphApiConnector.users)
{
if (user.AdditionalData.TryGetValue("extension_257f2369f5054b62a0f21c2c82ad96fc_TelegramChatId", out var value))
{
if (Convert.ToInt64(value).Equals(e.Message.Chat.Id))
{
response = user.Identities.Where(identity => identity.SignInType.Equals("emailAddress")).First().IssuerAssignedId;
}
}
}
if (response != null)
{
response = "This chat is associated with account with email address " + response;
}
else
{
response = "This chat isn't associated with any account";
}
break;
default:
response = "Command not recognized! Type /help for a list of commands.";
break;
}
if (response != null)
{
await botClient.SendTextMessageAsync(
chatId : e.Message.Chat,
text : response
);
}
}
}