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

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#-- encoding: UTF-8
#-- copyright
# OpenProject is an open source project management software.
# Copyright (C) 2012-2020 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) 2006-2017 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 docs/COPYRIGHT.rdoc for more details.
#++
module WorkPackage::Ancestors
extend ActiveSupport::Concern
included do
attr_accessor :work_package_ancestors
##
# Retrieve stored eager loaded ancestors
# or use awesome_nested_set#ancestors reduced by visibility
def visible_ancestors(user)
if work_package_ancestors.nil?
self.class.aggregate_ancestors(id, user)[id]
else
work_package_ancestors
end
end
end
class_methods do
def aggregate_ancestors(work_package_ids, user)
::WorkPackage::Ancestors::Aggregator.new(work_package_ids, user).results
end
end
##
# Aggregate ancestor data for the given work package IDs.
# Ancestors visible to the given user are returned, grouped by each input ID.
class Aggregator
attr_accessor :user, :ids
def initialize(work_package_ids, user)
@user = user
@ids = work_package_ids
end
def results
default = Hash.new do |hash, id|
hash[id] = []
end
results = with_work_package_ancestors
.map { |wp| [wp.id, wp.ancestors] }
.to_h
default.merge(results)
end
private
def with_work_package_ancestors
WorkPackage
.where(id: @ids)
.includes(:ancestors)
.where(ancestors_work_packages: { project_id: Project.allowed_to(user, :view_work_packages) })
.order(Arel.sql('relations.hierarchy DESC'))
end
end
end