//-- copyright
// OpenProject is a project management system.
// Copyright (C) 2012-2014 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.
//++

angular.module('openproject.helpers')

.service('UrlParamsHelper', [function() {
  var UrlParamsHelper = {
    // copied more or less from angular buildUrl
    buildQueryString: function(params) {
      if (!params) return;

      var parts = [];
      angular.forEach(params, function(value, key) {
        if (!value) return;
        if (!Array.isArray(value)) value = [value];

        angular.forEach(value, function(v) {
          if (v !== null && typeof v === 'object') {
            v = toJson(v);
          }
          parts.push(encodeURIComponent(key) + '=' +
                     encodeURIComponent(v));
        });
      });

      return parts.join('&');
    }
  };

  return UrlParamsHelper;
}]);