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   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  //
  17  // This file is part of BasicLTI4Moodle
  18  //
  19  // BasicLTI4Moodle is an IMS BasicLTI (Basic Learning Tools for Interoperability)
  20  // consumer for Moodle 1.9 and Moodle 2.0. BasicLTI is a IMS Standard that allows web
  21  // based learning tools to be easily integrated in LMS as native ones. The IMS BasicLTI
  22  // specification is part of the IMS standard Common Cartridge 1.1 Sakai and other main LMS
  23  // are already supporting or going to support BasicLTI. This project Implements the consumer
  24  // for Moodle. Moodle is a Free Open source Learning Management System by Martin Dougiamas.
  25  // BasicLTI4Moodle is a project iniciated and leaded by Ludo(Marc Alier) and Jordi Piguillem
  26  // at the GESSI research group at UPC.
  27  // SimpleLTI consumer for Moodle is an implementation of the early specification of LTI
  28  // by Charles Severance (Dr Chuck) htp://dr-chuck.com , developed by Jordi Piguillem in a
  29  // Google Summer of Code 2008 project co-mentored by Charles Severance and Marc Alier.
  30  //
  31  // BasicLTI4Moodle is copyright 2009 by Marc Alier Forment, Jordi Piguillem and Nikolas Galanis
  32  // of the Universitat Politecnica de Catalunya http://www.upc.edu
  33  // Contact info: Marc Alier Forment granludo @ gmail.com or marc.alier @ upc.edu.
  34  
  35  /**
  36   * This file contains all the restore steps that will be used
  37   * by the restore_lti_activity_task
  38   *
  39   * @package mod_lti
  40   * @copyright  2009 Marc Alier, Jordi Piguillem, Nikolas Galanis
  41   *  marc.alier@upc.edu
  42   * @copyright  2009 Universitat Politecnica de Catalunya http://www.upc.edu
  43   * @author     Marc Alier
  44   * @author     Jordi Piguillem
  45   * @author     Nikolas Galanis
  46   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  47   */
  48  
  49  defined('MOODLE_INTERNAL') || die;
  50  
  51  /**
  52   * Structure step to restore one lti activity
  53   */
  54  class restore_lti_activity_structure_step extends restore_activity_structure_step {
  55  
  56      protected function define_structure() {
  57  
  58          $paths = array();
  59          $lti = new restore_path_element('lti', '/activity/lti');
  60          $paths[] = $lti;
  61  
  62          // Add support for subplugin structures.
  63          $this->add_subplugin_structure('ltisource', $lti);
  64          $this->add_subplugin_structure('ltiservice', $lti);
  65  
  66          // Return the paths wrapped into standard activity structure.
  67          return $this->prepare_activity_structure($paths);
  68      }
  69  
  70      protected function process_lti($data) {
  71          global $DB;
  72  
  73          $data = (object)$data;
  74          $oldid = $data->id;
  75          $data->course = $this->get_courseid();
  76          $data->servicesalt = uniqid('', true);
  77  
  78           // Grade used to be a float (whole numbers only), restore as int.
  79          $data->grade = (int) $data->grade;
  80  
  81          // Clean any course or site typeid. All modules
  82          // are restored as self-contained. Note this is
  83          // an interim solution until the issue below is implemented.
  84          // TODO: MDL-34161 - Fix restore to support course/site tools & submissions.
  85          $data->typeid = 0;
  86  
  87          $newitemid = $DB->insert_record('lti', $data);
  88  
  89          // Immediately after inserting "activity" record, call this.
  90          $this->apply_activity_instance($newitemid);
  91      }
  92  
  93      protected function after_execute() {
  94          // Add lti related files, no need to match by itemname (just internally handled context).
  95          $this->add_related_files('mod_lti', 'intro', null);
  96      }
  97  }