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Differences Between: [Versions 310 and 402] [Versions 310 and 403]

   1  <?php
   2  
   3  // This file is part of Moodle - http://moodle.org/
   4  //
   5  // Moodle is free software: you can redistribute it and/or modify
   6  // it under the terms of the GNU General Public License as published by
   7  // the Free Software Foundation, either version 3 of the License, or
   8  // (at your option) any later version.
   9  //
  10  // Moodle is distributed in the hope that it will be useful,
  11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  // GNU General Public License for more details.
  14  //
  15  // You should have received a copy of the GNU General Public License
  16  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17  /**
  18   * @package   moodlecore
  19   * @subpackage backup-imscc
  20   * @copyright 2011 Darko Miletic (dmiletic@moodlerooms.com)
  21   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  22   */
  23  
  24  defined('MOODLE_INTERNAL') or die('Direct access to this script is forbidden.');
  25  
  26  require_once($CFG->dirroot . '/backup/cc/cc2moodle.php');
  27  require_once($CFG->dirroot . '/backup/cc/entities11.class.php');
  28  require_once($CFG->dirroot . '/backup/cc/entity11.resource.class.php');
  29  require_once($CFG->dirroot . '/backup/cc/entity11.forum.class.php');
  30  require_once($CFG->dirroot . '/backup/cc/entity11.quiz.class.php');
  31  require_once($CFG->dirroot . '/backup/cc/entity11.lti.class.php');
  32  
  33  class cc112moodle extends cc2moodle {
  34      const CC_TYPE_FORUM              = 'imsdt_xmlv1p1';
  35      const CC_TYPE_QUIZ               = 'imsqti_xmlv1p2/imscc_xmlv1p1/assessment';
  36      const CC_TYPE_QUESTION_BANK      = 'imsqti_xmlv1p2/imscc_xmlv1p1/question-bank';
  37      const CC_TYPE_WEBLINK            = 'imswl_xmlv1p1';
  38      const CC_TYPE_ASSOCIATED_CONTENT = 'associatedcontent/imscc_xmlv1p1/learning-application-resource';
  39      const CC_TYPE_BASICLTI           = 'imsbasiclti_xmlv1p0';
  40  
  41      public static $namespaces = array('imscc'    => 'http://www.imsglobal.org/xsd/imsccv1p1/imscp_v1p1',
  42                                        'lomimscc' => 'http://ltsc.ieee.org/xsd/imsccv1p1/LOM/manifest',
  43                                        'lom'      => 'http://ltsc.ieee.org/xsd/imsccv1p1/LOM/resource',
  44                                        'xsi'      => 'http://www.w3.org/2001/XMLSchema-instance',
  45                                        'cc'       => 'http://www.imsglobal.org/xsd/imsccv1p1/imsccauth_v1p1');
  46  
  47      public static $restypes = array('associatedcontent/imscc_xmlv1p1/learning-application-resource', 'webcontent');
  48      public static $forumns  = array('dt' => 'http://www.imsglobal.org/xsd/imsccv1p1/imsdt_v1p1');
  49      public static $quizns   = array('xmlns' => 'http://www.imsglobal.org/xsd/ims_qtiasiv1p2');
  50      public static $resourcens = array('wl' => 'http://www.imsglobal.org/xsd/imsccv1p1/imswl_v1p1');
  51      public static $basicltins = array(
  52                                         'xmlns' => 'http://www.imsglobal.org/xsd/imslticc_v1p0',
  53                                         'blti'  => 'http://www.imsglobal.org/xsd/imsbasiclti_v1p0',
  54                                         'lticm' => 'http://www.imsglobal.org/xsd/imslticm_v1p0',
  55                                         'lticp' => 'http://www.imsglobal.org/xsd/imslticp_v1p0'
  56                                        );
  57  
  58  
  59      public function __construct($path_to_manifest) {
  60          parent::__construct($path_to_manifest);
  61      }
  62  
  63      public function generate_moodle_xml () {
  64  
  65          global $CFG;
  66          $cdir = static::$path_to_manifest_folder . DIRECTORY_SEPARATOR . 'course_files';
  67  
  68          if (!file_exists($cdir)) {
  69              mkdir($cdir, $CFG->directorypermissions, true);
  70          }
  71  
  72          $sheet_base = static::loadsheet(SHEET_BASE);
  73  
  74          // MOODLE_BACKUP / INFO / DETAILS / MOD
  75          $node_info_details_mod = $this->create_code_info_details_mod();
  76  
  77          // MOODLE_BACKUP / BLOCKS / BLOCK
  78          $node_course_blocks_block = $this->create_node_course_blocks_block();
  79  
  80          // MOODLE_BACKUP / COURSES / SECTIONS / SECTION
  81          $node_course_sections_section = $this->create_node_course_sections_section();
  82  
  83          // MOODLE_BACKUP / COURSES / QUESTION_CATEGORIES
  84          $node_course_question_categories = $this->create_node_question_categories();
  85  
  86          // MOODLE_BACKUP / COURSES / MODULES / MOD
  87          $node_course_modules_mod = $this->create_node_course_modules_mod();
  88  
  89          // MOODLE_BACKUP / COURSE / HEADER
  90          $node_course_header = $this->create_node_course_header();
  91  
  92          // GENERAL INFO
  93          $filename = optional_param('file', 'not_available.zip', PARAM_RAW);
  94          $filename = basename($filename);
  95  
  96          $www_root = $CFG->wwwroot;
  97  
  98          $find_tags = array('[#zip_filename#]',
  99                                 '[#www_root#]',
 100                                 '[#node_course_header#]',
 101                                 '[#node_info_details_mod#]',
 102                                 '[#node_course_blocks_block#]',
 103                                 '[#node_course_sections_section#]',
 104                                 '[#node_course_question_categories#]',
 105                                 '[#node_course_modules#]');
 106  
 107          $replace_values = array($filename,
 108          $www_root,
 109          $node_course_header,
 110          $node_info_details_mod,
 111          $node_course_blocks_block,
 112          $node_course_sections_section,
 113          $node_course_question_categories,
 114          $node_course_modules_mod);
 115  
 116          $result_xml = str_replace($find_tags, $replace_values, $sheet_base);
 117  
 118          // COPY RESOURSE FILES
 119          $entities = new entities11();
 120  
 121          $entities->move_all_files();
 122  
 123          if (array_key_exists("index", self::$instances)) {
 124  
 125              if (!file_put_contents(static::$path_to_manifest_folder . DIRECTORY_SEPARATOR . 'moodle.xml', $result_xml)) {
 126                  static::log_action('Cannot save the moodle manifest file: ' . static::$path_to_tmp_folder . DIRECTORY_SEPARATOR . 'moodle.xml', true);
 127              } else {
 128                  $status = true;
 129              }
 130  
 131          } else {
 132              $status = false;
 133              static::log_action('The course is empty', false);
 134          }
 135  
 136          return $status;
 137  
 138      }
 139  
 140      public function convert_to_moodle_type ($cc_type) {
 141          $type = parent::convert_to_moodle_type($cc_type);
 142  
 143          if ($type == TYPE_UNKNOWN) {
 144              if ($cc_type == static::CC_TYPE_BASICLTI) {
 145                  $type = MOODLE_TYPE_LTI;
 146              }
 147          }
 148  
 149          return $type;
 150      }
 151  
 152      protected function create_node_question_categories () {
 153  
 154          $quiz = new cc11_quiz();
 155  
 156          static::log_action('Creating node: QUESTION_CATEGORIES');
 157  
 158          $node_course_question_categories = $quiz->generate_node_question_categories();
 159  
 160          return $node_course_question_categories;
 161      }
 162  
 163      protected function create_code_info_details_mod () {
 164          $result = parent::create_code_info_details_mod();
 165  
 166          $count_blti = $this->count_instances(MOODLE_TYPE_LTI);
 167  
 168          $sheet_info_details_mod_instances_instance = static::loadsheet(SHEET_INFO_DETAILS_MOD_INSTANCE);
 169  
 170          $blti_mod = '';
 171  
 172          if ($count_blti > 0) {
 173              $blti_instance = $this->create_mod_info_details_mod_instances_instance($sheet_info_details_mod_instances_instance, $count_blti, static::$instances['instances'][MOODLE_TYPE_LTI]);
 174              $blti_mod = $blti_instance ? $this->create_mod_info_details_mod(MOODLE_TYPE_LTI, $blti_instance) : '';
 175          }
 176  
 177          return $result . $blti_mod;
 178      }
 179  
 180      /**
 181      * (non-PHPdoc)
 182      * @see cc2moodle::get_module_visible()
 183      */
 184      protected function get_module_visible($identifier) {
 185          //Should item be hidden or not
 186          $mod_visible = 1;
 187          if (!empty($identifier)) {
 188              $xpath = static::newx_path(static::$manifest, static::$namespaces);
 189              $query  = '/imscc:manifest/imscc:resources/imscc:resource[@identifier="' . $identifier . '"]';
 190              $query .= '//lom:intendedEndUserRole/lom:value';
 191              $intendeduserrole = $xpath->query($query);
 192              if (!empty($intendeduserrole) && ($intendeduserrole->length > 0)) {
 193                  $role = trim($intendeduserrole->item(0)->nodeValue);
 194                  if ((strcasecmp('Instructor', $role) === 0) || (strcasecmp('Mentor', $role) === 0)) {
 195                      $mod_visible = 0;
 196                  }
 197              }
 198          }
 199          return $mod_visible;
 200      }
 201  
 202      protected function create_node_course_modules_mod () {
 203          $labels = new cc_label();
 204          $resources = new cc11_resource();
 205          $forums = new cc11_forum();
 206          $quiz = new cc11_quiz();
 207          $basiclti = new cc11_lti();
 208  
 209          static::log_action('Creating node: COURSE/MODULES/MOD');
 210  
 211          // LABELS
 212          $node_course_modules_mod_label = $labels->generate_node();
 213  
 214          // RESOURCES (WEB CONTENT AND WEB LINK)
 215          $node_course_modules_mod_resource = $resources->generate_node();
 216  
 217          // FORUMS
 218          $node_course_modules_mod_forum = $forums->generate_node();
 219  
 220          // QUIZ
 221          $node_course_modules_mod_quiz = $quiz->generate_node_course_modules_mod();
 222  
 223          //BasicLTI
 224          $node_course_modules_mod_basiclti = $basiclti->generate_node();
 225  
 226          $node_course_modules = $node_course_modules_mod_label.
 227                                 $node_course_modules_mod_resource .
 228                                 $node_course_modules_mod_forum .
 229                                 $node_course_modules_mod_quiz .
 230                                 $node_course_modules_mod_basiclti;
 231  
 232          return $node_course_modules;
 233      }
 234  
 235  }