openproject/app/models/user_preferences/schema.rb

#-- encoding: UTF-8

#-- copyright
# OpenProject is an open source project management software.
# Copyright (C) 2012-2021 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 docs/COPYRIGHT.rdoc for more details.
#++

class UserPreferences::Schema
  class << self
    PATH = Rails.root.join('config/schemas/user_preferences.schema.json')

    class_attribute :extensions,
                    default: {}

    def schema
      @schema ||= begin
        json = JSON::parse(File.read(PATH))
        extensions.each do |path, extension|
          existing = json.dig(*path.split('/'))

          existing.merge!(extension)
        end

        json
      end
    end

    def merge!(path, hash)
      extensions[path] = hash
    end

    def properties
      @properties ||= schema.dig('definitions', 'UserPreferences', 'properties')&.keys || []
    end
  end
end