chore: Support telegram edited_message events (#6785)

- Add support for telegram edited_message events: Update the user message back in the Chatwoot dashboard when updated by the contact on telegram

app/jobs/webhooks/telegram_events_job.rb

@@ -7,6 +7,18 @@ class Webhooks::TelegramEventsJob < ApplicationJob
     channel = Channel::Telegram.find_by(bot_token: params[:bot_token])
     return unless channel
 
-    Telegram::IncomingMessageService.new(inbox: channel.inbox, params: params['telegram'].with_indifferent_access).perform
+    process_event_params(channel, params)
+  end
+
+  private
+
+  def process_event_params(channel, params)
+    return unless params[:telegram]
+
+    if params.dig(:telegram, :edited_message).present?
+      Telegram::UpdateMessageService.new(inbox: channel.inbox, params: params['telegram'].with_indifferent_access).perform
+    else
+      Telegram::IncomingMessageService.new(inbox: channel.inbox, params: params['telegram'].with_indifferent_access).perform
+    end
   end
 end

app/services/telegram/update_message_service.rb

@@ -0,0 +1,33 @@
+# Find the various telegram payload samples here: https://core.telegram.org/bots/webhooks#testing-your-bot-with-updates
+# https://core.telegram.org/bots/api#available-types
+
+class Telegram::UpdateMessageService
+  pattr_initialize [:inbox!, :params!]
+
+  def perform
+    find_contact_inbox
+    find_conversation
+    find_message
+    update_message
+  rescue StandardError => e
+    Rails.logger.error "Error while processing telegram message update #{e.message}"
+  end
+
+  private
+
+  def find_contact_inbox
+    @contact_inbox = inbox.contact_inboxes.find_by!(source_id: params[:edited_message][:chat][:id])
+  end
+
+  def find_conversation
+    @conversation = @contact_inbox.conversations.last
+  end
+
+  def find_message
+    @message = @conversation.messages.find_by(source_id: params[:edited_message][:message_id])
+  end
+
+  def update_message
+    @message.update!(content: params[:edited_message][:text])
+  end
+end