Progress on dms, code cleanup

Progress on dms, code cleanup

app/models/chat_conversation_account.rb

@@ -0,0 +1,43 @@
+# frozen_string_literal: true
+# == Schema Information
+#
+# Table name: chat_conversation_accounts
+#
+#  id                       :bigint(8)        not null, primary key
+#  account_id               :bigint(8)
+#  chat_conversation_id     :bigint(8)
+#  participant_account_ids  :bigint(8)        default([]), not null, is an Array
+#  last_chat_message_id     :bigint(8)
+#  is_unread                :boolean          default(FALSE), not null
+#  is_hidden                :boolean          default(FALSE), not null
+#  is_approved              :boolean          default(FALSE), not null
+#  created_at               :datetime         not null
+#  updated_at               :datetime         not null
+#
+
+class ChatConversationAccount < ApplicationRecord
+  include Paginable
+  
+  belongs_to :account
+  belongs_to :chat_conversation
+  belongs_to :last_chat_message, class_name: 'ChatMessage', optional: true
+
+  # before_validation :set_last_chat_message
+
+  def participant_accounts
+    if participant_account_ids.empty?
+      [account]
+    else
+      # : todo : dont include current_account
+      participants = Account.where(id: participant_account_ids)
+      participants.empty? ? [account] : participants
+    end
+  end
+
+  private
+
+  def set_last_chat_message
+    self.last_chat_message_id = nil # : todo :
+  end
+
+end