chore: Centralize outgoing message reply restrictions for all the channels (#11279)

app/services/conversations/message_window_service.rb

@@ -0,0 +1,64 @@
+class Conversations::MessageWindowService
+  MESSAGING_WINDOW_24_HOURS = 24.hours
+  MESSAGING_WINDOW_7_DAYS = 7.days
+
+  def initialize(conversation)
+    @conversation = conversation
+  end
+
+  def can_reply?
+    return true if messaging_window.blank?
+
+    last_message_in_messaging_window?(messaging_window)
+  end
+
+  private
+
+  def messaging_window
+    case @conversation.inbox.channel_type
+    when 'Channel::Api'
+      api_messaging_window
+    when 'Channel::FacebookPage'
+      messenger_messaging_window
+    when 'Channel::Instagram'
+      instagram_messaging_window
+    when 'Channel::Whatsapp'
+      MESSAGING_WINDOW_24_HOURS
+    when 'Channel::TwilioSms'
+      twilio_messaging_window
+    end
+  end
+
+  def last_message_in_messaging_window?(time)
+    return false if last_incoming_message.nil?
+
+    Time.current < last_incoming_message.created_at + time
+  end
+
+  def api_messaging_window
+    return if @conversation.inbox.channel.additional_attributes['agent_reply_time_window'].blank?
+
+    @conversation.inbox.channel.additional_attributes['agent_reply_time_window'].to_i.hours
+  end
+
+  # Check medium of the inbox to determine the messaging window
+  def twilio_messaging_window
+    @conversation.inbox.channel.medium == 'whatsapp' ? MESSAGING_WINDOW_24_HOURS : nil
+  end
+
+  def messenger_messaging_window
+    meta_messaging_window('ENABLE_MESSENGER_CHANNEL_HUMAN_AGENT')
+  end
+
+  def instagram_messaging_window
+    meta_messaging_window('ENABLE_INSTAGRAM_CHANNEL_HUMAN_AGENT')
+  end
+
+  def meta_messaging_window(config_key)
+    GlobalConfigService.load(config_key, nil) ? MESSAGING_WINDOW_7_DAYS : MESSAGING_WINDOW_24_HOURS
+  end
+
+  def last_incoming_message
+    @last_incoming_message ||= @conversation.messages&.incoming&.last
+  end
+end