opf/openproject

#-- copyright
# OpenProject is an open source project management software.
# Copyright (C) 2012-2024 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 Bim::Bcf
  module Issues
    class CreateService < ::BaseServices::Create
      private

      def before_perform(params, service_result)
        wp_call = get_work_package params
        return wp_call if wp_call.failure?

        super(issue_params(work_package: wp_call.result, params:), service_result)
      end

      def issue_params(work_package:, params:)
        { work_package: }
          .merge(params.slice(*Bim::Bcf::Issue::SETTABLE_ATTRIBUTES))
      end

      def get_work_package(params)
        wp_links = remove_work_package_links! Array(params[:reference_links])

        if wp_links.empty?
          create_work_package params
        else
          params.delete :reference_links

          use_work_package links: wp_links, params:
        end
      end

      def use_work_package(links:, params:)
        work_package = WorkPackage.find_by(id: work_package_id_from_links(links))
        return work_package_not_found_result if work_package.nil?

        ::WorkPackages::UpdateService
          .new(user:, model: work_package)
          .call(**params)
      end

      def create_work_package(params)
        ::WorkPackages::CreateService
          .new(user:)
          .call(**params)
      end

      def work_package_id_from_links(links)
        links
          .take(1)
          .map { |link| link.split("/").last.to_i }
          .first
      end

      def remove_work_package_links!(links)
        path = api_path_helper.work_package("")
        wp_links = links.select { |link| link.include? path }

        links.delete_if { |link| wp_links.include? link }

        wp_links
      end

      def work_package_not_found_result
        ServiceResult.failure(errors: Bim::Bcf::Issue.new.errors).tap do |r|
          r.errors.add :work_package, :does_not_exist
        end
      end

      def api_path_helper
        ::API::V3::Utilities::PathHelper::ApiV3Path
      end
    end
  end
end