Progress on dms, code cleanup

Progress on dms, code cleanup

app/models/chat_message.rb

@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+# == Schema Information
+#
+# Table name: chat_messages
+#
+#  id                     :bigint(8)        not null, primary key
+#  account_id             :bigint(8)        not null
+#  chat_conversation_id   :bigint(8)        not null
+#  text                   :text             default(""), not null
+#  language               :string
+#  created_at             :datetime         not null
+#  updated_at             :datetime         not null
+#
+
+class ChatMessage < ApplicationRecord
+  include Paginable
+  
+  belongs_to :from_account, class_name: 'Account'
+  belongs_to :chat_conversation
+
+  validates_with ChatMessageLengthValidator
+  
+  default_scope { recent }
+
+  scope :recent, -> { reorder(created_at: :desc) }
+
+end