feat: Handle Telegram send message/attachments errors (#8173)

Co-authored-by: Pranav Raj S <pranav@chatwoot.com>

app/models/channel/telegram.rb

@@ -87,9 +87,19 @@ class Channel::Telegram < ApplicationRecord
 
   def send_message(message)
     response = message_request(chat_id(message), message.content, reply_markup(message), reply_to_message_id(message))
+    process_error(message, response)
     response.parsed_response['result']['message_id'] if response.success?
   end
 
+  def process_error(message, response)
+    return unless response.parsed_response['ok'] == false
+
+    # https://github.com/TelegramBotAPI/errors/tree/master/json
+    message.external_error = "#{response.parsed_response['error_code']}, #{response.parsed_response['description']}"
+    message.status = :failed
+    message.save!
+  end
+
   def reply_markup(message)
     return unless message.content_type == 'input_select'
 
@@ -110,23 +120,26 @@ class Channel::Telegram < ApplicationRecord
     telegram_attachments = []
     message.attachments.each do |attachment|
       telegram_attachment = {}
-
-      case attachment[:file_type]
-      when 'audio'
-        telegram_attachment[:type] = 'audio'
-      when 'image'
-        telegram_attachment[:type] = 'photo'
-      when 'file'
-        telegram_attachment[:type] = 'document'
-      end
+      telegram_attachment[:type] = attachment_type(attachment[:file_type])
       telegram_attachment[:media] = attachment.download_url
       telegram_attachments << telegram_attachment
     end
 
     response = attachments_request(chat_id(message), telegram_attachments, reply_to_message_id(message))
+    process_error(message, response)
     response.parsed_response['result'].first['message_id'] if response.success?
   end
 
+  def attachment_type(file_type)
+    file_type_mappings = {
+      'audio' => 'audio',
+      'image' => 'photo',
+      'file' => 'document',
+      'video' => 'video'
+    }
+    file_type_mappings[file_type]
+  end
+
   def attachments_request(chat_id, attachments, reply_to_message_id)
     HTTParty.post("#{telegram_api_url}/sendMediaGroup",
                   body: {