//-- 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.
//++

import {HalResource} from './hal-resource.service';
import {opApiModule} from '../../../../angular-modules';

interface CollectionResourceEmbedded {
  elements: HalResource[];
}

export class CollectionResource extends HalResource {
  public elements: HalResource[];

  /**
   * Update the collection's elements and return them in a promise.
   * This is useful, as angular does not recognize update made by $load.
   */
  public updateElements() {
    return this.$load().then(collection =>  this.elements = collection.elements);
  }
}

export interface CollectionResourceInterface extends CollectionResourceEmbedded, CollectionResource {
}

function collectionResource() {
  return CollectionResource;
}

opApiModule.factory('CollectionResource', collectionResource);