Initial Commit

Co-authored-by: Subin <subinthattaparambil@gmail.com>
Co-authored-by: Manoj <manojmj92@gmail.com>
Co-authored-by: Nithin <webofnithin@gmail.com>

db/migrate/20170406092426_add_display_id.rb

@@ -0,0 +1,8 @@
+class AddDisplayId < ActiveRecord::Migration[5.0]
+  def change
+    Conversation.all.each do |conversation|
+      conversation.display_id = Conversation.where(account_id: conversation.account_id).maximum("display_id").to_i + 1
+      conversation.save!
+    end
+  end
+end