move recruiter to admin/candidate

app/models/user.rb

@@ -20,7 +20,15 @@ class User < ApplicationRecord
     'admin' == role
   end
 
+  def acts_as_admin?
+    'admin' == role
+  end
+
   def manager?
+    'manager' == role
+  end
+
+  def acts_as_manager?
     %w(admin manager).include? role
   end
 
@@ -28,10 +36,18 @@ class User < ApplicationRecord
     'recruiter' == role
   end
 
+  def acts_as_recruiter?
+    %w(admin recruiter).include? role
+  end
+
   def reviewer?
     'reviewer' == role
   end
 
+  def acts_as_reviewer?
+    %w(admin reviewer).include? role
+  end
+
   private
 
     def gen_reset_token