Introduce active? method to Group via Principal model (#27510).

Patch by Go MAEDA (user:maeda).


git-svn-id: https://svn.redmine.org/redmine/trunk@22976 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/principal.rb

@@ -136,6 +136,10 @@ class Principal < ApplicationRecord
     nil
   end
 
+  def active?
+    self.status == STATUS_ACTIVE
+  end
+
   def visible?(user=User.current)
     Principal.visible(user).find_by(:id => id) == self
   end

app/models/user.rb

@@ -273,10 +273,6 @@ class User < Principal
     end
   end
 
-  def active?
-    self.status == STATUS_ACTIVE
-  end
-
   def registered?
     self.status == STATUS_REGISTERED
   end

test/unit/group_test.rb

@@ -38,6 +38,7 @@ class GroupTest < ActiveSupport::TestCase
     assert g.save
     g.reload
     assert_equal 'New group', g.name
+    assert_equal true, g.active?
   end
 
   def test_name_should_accept_255_characters