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- # frozen_string_literal: true
-
- # Redmine - project management software
- # Copyright (C) 2006-2022 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
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