Redmine 3.4.4

app/models/group_builtin.rb

@@ -0,0 +1,56 @@
+# Redmine - project management software
+# Copyright (C) 2006-2017  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+class GroupBuiltin < Group
+  validate :validate_uniqueness, :on => :create
+
+  def validate_uniqueness
+    errors.add :base, 'The builtin group already exists.' if self.class.exists?
+  end
+
+  def builtin?
+    true
+  end
+
+  def destroy
+    false
+  end
+
+  def user_added(user)
+    raise 'Cannot add users to a builtin group'
+  end
+
+  class << self
+    def load_instance
+      return nil if self == GroupBuiltin
+      instance = unscoped.order('id').first || create_instance
+    end
+
+    def create_instance
+      raise 'The builtin group already exists.' if exists?
+      instance = unscoped.new
+      instance.lastname = name
+      instance.save :validate => false
+      raise 'Unable to create builtin group.' if instance.new_record?
+      instance
+    end
+    private :create_instance
+  end
+end
+
+require_dependency "group_anonymous"
+require_dependency "group_non_member"