Created user admin scope

app/controllers/repp/v1/certificates_controller.rb

@@ -58,7 +58,7 @@ module Repp
       end
 
       def notify_admins
-        admin_users_emails = User.all.select { |u| u.roles.include? 'admin' }.pluck(:email)
+        admin_users_emails = User.admin.pluck(:email)
 
         return if admin_users_emails.empty?
 

app/models/user.rb

@@ -3,6 +3,8 @@ class User < ApplicationRecord
 
   has_many :actions, dependent: :restrict_with_exception
 
+  scope :admin, -> { where("'admin' = ANY (roles)") }
+
   attr_accessor :phone
 
   self.ignored_columns = %w[legacy_id]