openproject/frontend/app/services/api-notifications-service.js

//-- 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(NotificationsService) {
  'use strict';

  var getErrorMessage = function(error) {
    if(error.status === 500) {
      return error.statusText;
    } else {
      var response = JSON.parse(error.responseText);
      var messages = [];

      if (isMultiErrorMessage(response)) {
        angular.forEach(response._embedded.errors, function(error) {
          this.push(error.message);
        }, messages);
      } else {
        messages.push(response.message);
      }

      return messages;
    }
  };

  var isMultiErrorMessage = function(error) {
    return error.errorIdentifier === 'urn:openproject-org:api:v3:errors:MultipleErrors';
  };

  var addError = function(error) {
    var message = getErrorMessage(error);

    if (message.length > 1) {
      NotificationsService.addError(message, []);
    }
    else {
      NotificationsService.addError('', [message]);
    }
  };

  var addSuccess = function(text) {
    NotificationsService.addSuccess(text);
  };

  return {
    addError: addError,
    addSuccess: addSuccess
  };
};