delete sent message after x minutes

Author: ramsayleung

app/services/telegram_botter.rb

@@ -160,7 +160,15 @@ def handle_markspam_command(bot, message)
         else
           response_message = I18n.t("telegram_bot.markspam.success_message", banned_user_name: banned_user_name, user_id: replied.from.id)
         end
-        bot.api.send_message(chat_id: message.chat.id, text: response_message, parse_mode: "Markdown")
+
+        sent_message = bot.api.send_message(chat_id: message.chat.id, text: response_message, parse_mode: "Markdown")
+        # 5. Schedule a background job to delete the message
+        # to avoid polluting the group chat
+        delete_message_delay = Rails.application.config.delete_message_delay
+        TelegramBackgroundWorkerJob.set(wait: delete_message_delay.minutes).perform_later(
+          action: PostAction::DELETE_ALERT_MESSAGE,
+          chat_id: sent_message.chat.id,
+          message_id: sent_message.message_id)
       rescue => e
         Rails.logger.error "Error in markspam command: #{e.message}"
         bot.api.send_message(chat_id: message.chat.id, text: I18n.t("telegram_bot.markspam.failure_message"))

config/environments/development.rb

@@ -77,4 +77,7 @@
   # config.generators.apply_rubocop_autocorrect_after_generate!
 
   config.probability_threshold = 0.95
+
+  # Delete the warning message in x minutes to keep chat clean
+  config.delete_message_delay = 1
 end