openproject/app/services/authorization/user_project_roles_query.rb

#-- encoding: UTF-8
#-- copyright
# OpenProject is a project management system.
# Copyright (C) 2012-2015 the OpenProject Foundation (OPF)
#
# 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 doc/COPYRIGHT.rdoc for more details.
#++

class Authorization::UserProjectRolesQuery < Authorization::UserRolesQuery
  transformations.register :all, :project_where_projection do |statement, user, _|
    statement.where(users_table[:id].eq(user.id))
  end

  transformations.register users_members_join, :project_id_limit do |statement, _, project|
    statement.and(members_table[:project_id].eq(project.id))
  end

  transformations.register roles_member_roles_join, :builtin_role do |statement, user, project|
    if project.is_public?
      builtin_role = if user.logged?
                       Role::BUILTIN_NON_MEMBER
                     else
                       Role::BUILTIN_ANONYMOUS
                     end

      builtin_role_condition = members_table[:id]
                               .eq(nil)
                               .and(roles_table[:builtin]
                                    .eq(builtin_role))

      statement = statement.or(builtin_role_condition)
    end

    statement
  end
end