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98 lines
3.2 KiB
98 lines
3.2 KiB
#-- encoding: UTF-8
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#-- copyright
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# OpenProject is an open source project management software.
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# Copyright (C) 2012-2021 the OpenProject GmbH
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License version 3.
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#
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# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
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# Copyright (C) 2006-2013 Jean-Philippe Lang
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# Copyright (C) 2010-2013 the ChiliProject Team
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# See docs/COPYRIGHT.rdoc for more details.
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#++
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module WorkPackage::AskBeforeDestruction
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extend ActiveSupport::Concern
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DestructionRegistration = Struct.new(:klass, :check, :action)
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def self.included(base)
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base.extend(ClassMethods)
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base.class_attribute :registered_associated_to_ask_before_destruction
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end
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module ClassMethods
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def cleanup_action_required_before_destructing?(work_packages)
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!associated_to_ask_before_destruction_of(work_packages).empty?
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end
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def cleanup_associated_before_destructing_if_required(work_packages, user, to_do = { action: 'destroy' })
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cleanup_required = cleanup_action_required_before_destructing?(work_packages)
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(!cleanup_required ||
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(cleanup_required &&
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cleanup_each_associated_class(work_packages, user, to_do)))
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end
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def associated_classes_to_address_before_destruction_of(work_packages)
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associated = []
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registered_associated_to_ask_before_destruction.each do |registration|
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associated << registration.klass if registration.check.call(work_packages)
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end
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associated
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end
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private
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def associated_to_ask_before_destruction_of(work_packages)
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associated = {}
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registered_associated_to_ask_before_destruction.each do |registration|
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associated[registration.klass] = registration.action if registration.check.call(work_packages)
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end
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associated
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end
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def associated_to_ask_before_destruction(klass, check, action)
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self.registered_associated_to_ask_before_destruction ||= []
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registration = DestructionRegistration.new(klass, check, action)
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self.registered_associated_to_ask_before_destruction << registration
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end
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def cleanup_each_associated_class(work_packages, user, to_do)
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ret = false
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transaction do
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associated_to_ask_before_destruction_of(work_packages).each do |_klass, method|
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ret = method.call(work_packages, user, to_do)
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end
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raise ActiveRecord::Rollback unless ret
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end
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ret
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end
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end
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end
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