text: //-- 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.
  //++
  
  module.exports = function($http, PathHelper, FiltersHelper, HALAPIResource) {
  
    var ProjectService = {
      getProject: function(projectIdentifier) {
        var url = PathHelper.apiProjectPath(projectIdentifier);
  
        return $http.get(url).then(function(response) {
          return response.data.project;
        });
      },
  
      getProjects: function() {
        var url = PathHelper.apiProjectsPath();
  
        return ProjectService.doQuery(url)
          .then(function(projects){
            return FiltersHelper.assignAncestorLevels(projects);
          });
      },
  
      getSubProjects: function(projectIdentifier) {
        var url = PathHelper.apiProjectSubProjectsPath(projectIdentifier);
  
        return ProjectService.doQuery(url);
      },
  
      getWorkPackageProject: function(workPackage) {
        return ProjectService.doQuery(workPackage.links.project.props.href);
      },
  
      doQuery: function(url, params) {
        return $http.get(url, { params: params })
          .then(function(response){
            return response.data.projects;
          });
      },
  
      fetchProjectResource: function (projectIdentifier) {
        return HALAPIResource.setup('/api/v3/projects/' + projectIdentifier).fetch();
      }
    };
  
    return ProjectService;
  };
  