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 API
  module V3
    module Queries
      module Order
        class QueryOrderAPI < ::API::OpenProjectAPI
          resource :order do
            helpers do
              ##
              # Remove the order for the given work package
              def remove_order(wp_id)
                @query.ordered_work_packages.where(work_package_id: wp_id).delete_all
              end

              def upsert_order(wp_id, position)
                record = @query
                  .ordered_work_packages
                  .find_or_initialize_by(work_package_id: wp_id)

                upsert_attributes = record.attributes.merge(position:).compact
                OrderedWorkPackage.upsert(upsert_attributes)
              end
            end

            get do
              sql = <<~SQL.squish
                SELECT json_object_agg(work_package_id, position)
                FROM (
                  SELECT work_package_id, position FROM #{OrderedWorkPackage.table_name} WHERE query_id = :query_id
                ) sub;
              SQL

              sql_query = ::OpenProject::SqlSanitization
                .sanitize sql, query_id: @query.id

              ActiveRecord::Base.connection
                .exec_query(sql_query)
                .rows
                .first # first row
                .first || {}.to_json # first column (json object or null)
            end

            params do
              optional :delta, type: Hash
            end
            patch do
              params[:delta].each do |work_package_id, new_position|
                if new_position == -1
                  remove_order(work_package_id)
                else
                  upsert_order(work_package_id, new_position)
                end
              end

              @query.touch
              { t: ::API::V3::Utilities::DateTimeFormatter.format_datetime(@query.updated_at) }
            end
          end
        end
      end
    end
  end
end