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# frozen_string_literal: true
# Redmine - project management software
# Copyright (C) 2006-2023 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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