OpenProject is the leading open source project management software.
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openproject/app/models/work_package/ask_before_destruction.rb

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#-- copyright
# OpenProject is an open source project management software.
# Copyright (C) 2012-2023 the OpenProject GmbH
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License version 3.
#
# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
# Copyright (C) 2006-2013 Jean-Philippe Lang
# Copyright (C) 2010-2013 the ChiliProject Team
#
# 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.
#
# See COPYRIGHT and LICENSE files for more details.
#++
module WorkPackage::AskBeforeDestruction
extend ActiveSupport::Concern
DestructionRegistration = Struct.new(:klass, :check, :action)
def self.included(base)
base.extend(ClassMethods)
base.class_attribute :registered_associated_to_ask_before_destruction
end
module ClassMethods
def cleanup_action_required_before_destructing?(work_packages)
!associated_to_ask_before_destruction_of(work_packages).empty?
end
def cleanup_associated_before_destructing_if_required(work_packages, user, to_do = { action: 'destroy' })
cleanup_required = cleanup_action_required_before_destructing?(work_packages)
(!cleanup_required ||
(cleanup_required &&
cleanup_each_associated_class(work_packages, user, to_do)))
end
def associated_classes_to_address_before_destruction_of(work_packages)
associated = []
registered_associated_to_ask_before_destruction.each do |registration|
associated << registration.klass if registration.check.call(work_packages)
end
associated
end
private
def associated_to_ask_before_destruction_of(work_packages)
associated = {}
registered_associated_to_ask_before_destruction.each do |registration|
associated[registration.klass] = registration.action if registration.check.call(work_packages)
end
associated
end
def associated_to_ask_before_destruction(klass, check, action)
self.registered_associated_to_ask_before_destruction ||= []
registration = DestructionRegistration.new(klass, check, action)
self.registered_associated_to_ask_before_destruction << registration
end
def cleanup_each_associated_class(work_packages, user, to_do)
ret = false
transaction do
associated_to_ask_before_destruction_of(work_packages).each do |_klass, method|
ret = method.call(work_packages, user, to_do)
end
raise ActiveRecord::Rollback unless ret
end
ret
end
end
end