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Developer Documentation

See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.

Differences Between: [Versions 310 and 401] [Versions 39 and 401]

   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  /**
  18   * Course copy form class.
  19   *
  20   * @package     core_backup
  21   * @copyright   2020 onward The Moodle Users Association <https://moodleassociation.org/>
  22   * @author      Matt Porritt <mattp@catalyst-au.net>
  23   * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  namespace core_backup\output;
  27  
  28  defined('MOODLE_INTERNAL') || die();
  29  
  30  require_once("$CFG->libdir/formslib.php");
  31  
  32  require_once($CFG->dirroot . '/backup/util/includes/backup_includes.php');
  33  require_once($CFG->dirroot . '/backup/util/includes/restore_includes.php');
  34  
  35  /**
  36   * Course copy form class.
  37   *
  38   * @package     core_backup
  39   * @copyright  2020 onward The Moodle Users Association <https://moodleassociation.org/>
  40   * @author     Matt Porritt <mattp@catalyst-au.net>
  41   * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  42   */
  43  class copy_form extends \moodleform {
  44  
  45      /**
  46       * Build form for the course copy settings.
  47       *
  48       * {@inheritDoc}
  49       * @see \moodleform::definition()
  50       */
  51      public function definition() {
  52          global $CFG, $OUTPUT, $USER;
  53  
  54          $mform = $this->_form;
  55          $course = $this->_customdata['course'];
  56          $coursecontext = \context_course::instance($course->id);
  57          $courseconfig = get_config('moodlecourse');
  58          $returnto = $this->_customdata['returnto'];
  59          $returnurl = $this->_customdata['returnurl'];
  60  
  61          if (empty($course->category)) {
  62              $course->category = $course->categoryid;
  63          }
  64  
  65          // Course ID.
  66          $mform->addElement('hidden', 'courseid', $course->id);
  67          $mform->setType('courseid', PARAM_INT);
  68  
  69          // Return to type.
  70          $mform->addElement('hidden', 'returnto', null);
  71          $mform->setType('returnto', PARAM_ALPHANUM);
  72          $mform->setConstant('returnto', $returnto);
  73  
  74          // Notifications of current copies.
  75          $copies = \copy_helper::get_copies($USER->id, $course->id);
  76          if (!empty($copies)) {
  77              $progresslink = new \moodle_url('/backup/copyprogress.php?', array('id' => $course->id));
  78              $notificationmsg = get_string('copiesinprogress', 'backup', $progresslink->out());
  79              $notification = $OUTPUT->notification($notificationmsg, 'notifymessage');
  80              $mform->addElement('html', $notification);
  81          }
  82  
  83          // Return to URL.
  84          $mform->addElement('hidden', 'returnurl', null);
  85          $mform->setType('returnurl', PARAM_LOCALURL);
  86          $mform->setConstant('returnurl', $returnurl);
  87  
  88          // Form heading.
  89          $mform->addElement('html', \html_writer::div(get_string('copycoursedesc', 'backup'), 'form-description mb-3'));
  90  
  91          // Course fullname.
  92          $mform->addElement('text', 'fullname', get_string('fullnamecourse'), 'maxlength="254" size="50"');
  93          $mform->addHelpButton('fullname', 'fullnamecourse');
  94          $mform->addRule('fullname', get_string('missingfullname'), 'required', null, 'client');
  95          $mform->setType('fullname', PARAM_TEXT);
  96  
  97          // Course shortname.
  98          $mform->addElement('text', 'shortname', get_string('shortnamecourse'), 'maxlength="100" size="20"');
  99          $mform->addHelpButton('shortname', 'shortnamecourse');
 100          $mform->addRule('shortname', get_string('missingshortname'), 'required', null, 'client');
 101          $mform->setType('shortname', PARAM_TEXT);
 102  
 103          // Course category.
 104          $displaylist = \core_course_category::make_categories_list(\core_course\management\helper::get_course_copy_capabilities());
 105          if (!isset($displaylist[$course->category])) {
 106              // Always keep current category.
 107              $displaylist[$course->category] = \core_course_category::get($course->category, MUST_EXIST, true)->get_formatted_name();
 108          }
 109          $mform->addElement('autocomplete', 'category', get_string('coursecategory'), $displaylist);
 110          $mform->addRule('category', null, 'required', null, 'client');
 111          $mform->addHelpButton('category', 'coursecategory');
 112  
 113          // Course visibility.
 114          $choices = array();
 115          $choices['0'] = get_string('hide');
 116          $choices['1'] = get_string('show');
 117          $mform->addElement('select', 'visible', get_string('coursevisibility'), $choices);
 118          $mform->addHelpButton('visible', 'coursevisibility');
 119          $mform->setDefault('visible', $courseconfig->visible);
 120          if (!has_capability('moodle/course:visibility', $coursecontext)) {
 121              $mform->hardFreeze('visible');
 122              $mform->setConstant('visible', $course->visible);
 123          }
 124  
 125          // Course start date.
 126          $mform->addElement('date_time_selector', 'startdate', get_string('startdate'));
 127          $mform->addHelpButton('startdate', 'startdate');
 128          $date = (new \DateTime())->setTimestamp(usergetmidnight(time()));
 129          $date->modify('+1 day');
 130          $mform->setDefault('startdate', $date->getTimestamp());
 131  
 132          // Course enddate.
 133          $mform->addElement('date_time_selector', 'enddate', get_string('enddate'), array('optional' => true));
 134          $mform->addHelpButton('enddate', 'enddate');
 135  
 136          if (!empty($CFG->enablecourserelativedates)) {
 137              $attributes = [
 138                  'aria-describedby' => 'relativedatesmode_warning'
 139              ];
 140              if (!empty($course->id)) {
 141                  $attributes['disabled'] = true;
 142              }
 143              $relativeoptions = [
 144                  0 => get_string('no'),
 145                  1 => get_string('yes'),
 146              ];
 147              $relativedatesmodegroup = [];
 148              $relativedatesmodegroup[] = $mform->createElement('select', 'relativedatesmode', get_string('relativedatesmode'),
 149                  $relativeoptions, $attributes);
 150              $relativedatesmodegroup[] = $mform->createElement('html', \html_writer::span(get_string('relativedatesmode_warning'),
 151                  '', ['id' => 'relativedatesmode_warning']));
 152              $mform->addGroup($relativedatesmodegroup, 'relativedatesmodegroup', get_string('relativedatesmode'), null, false);
 153              $mform->addHelpButton('relativedatesmodegroup', 'relativedatesmode');
 154          }
 155  
 156          // Course ID number (default to the current course ID number; blank for users who can't change ID numbers).
 157          $mform->addElement('text', 'idnumber', get_string('idnumbercourse'), 'maxlength="100"  size="10"');
 158          $mform->setDefault('idnumber', $course->idnumber);
 159          $mform->addHelpButton('idnumber', 'idnumbercourse');
 160          $mform->setType('idnumber', PARAM_RAW);
 161          if (!has_capability('moodle/course:changeidnumber', $coursecontext)) {
 162              $mform->hardFreeze('idnumber');
 163              $mform->setConstant('idnumber', '');
 164          }
 165  
 166          // Keep source course user data.
 167          $mform->addElement('select', 'userdata', get_string('userdata', 'backup'),
 168              [0 => get_string('no'), 1 => get_string('yes')]);
 169          $mform->setDefault('userdata', 0);
 170          $mform->addHelpButton('userdata', 'userdata', 'backup');
 171  
 172          $requiredcapabilities = array(
 173              'moodle/restore:createuser', 'moodle/backup:userinfo', 'moodle/restore:userinfo'
 174          );
 175          if (!has_all_capabilities($requiredcapabilities, $coursecontext)) {
 176              $mform->hardFreeze('userdata');
 177              $mform->setConstant('userdata', 0);
 178          }
 179  
 180          // Keep manual enrolments.
 181          // Only get roles actually used in this course.
 182          $roles = role_fix_names(get_roles_used_in_context($coursecontext, false), $coursecontext);
 183  
 184          // Only add the option if there are roles in this course.
 185          if (!empty($roles) && has_capability('moodle/restore:createuser', $coursecontext)) {
 186              $rolearray = array();
 187              foreach ($roles as $role) {
 188                  $roleid = 'role_' . $role->id;
 189                  $rolearray[] = $mform->createElement('advcheckbox', $roleid,
 190                      $role->localname, '', array('group' => 2), array(0, $role->id));
 191              }
 192  
 193              $mform->addGroup($rolearray, 'rolearray', get_string('keptroles', 'backup'), ' ', false);
 194              $mform->addHelpButton('rolearray', 'keptroles', 'backup');
 195              $this->add_checkbox_controller(2);
 196          }
 197  
 198          $buttonarray = array();
 199          $buttonarray[] = $mform->createElement('submit', 'submitreturn', get_string('copyreturn', 'backup'));
 200          $buttonarray[] = $mform->createElement('submit', 'submitdisplay', get_string('copyview', 'backup'));
 201          $buttonarray[] = $mform->createElement('cancel');
 202          $mform->addGroup($buttonarray, 'buttonar', '', ' ', false);
 203  
 204      }
 205  
 206      /**
 207       * Validation of the form.
 208       *
 209       * @param array $data
 210       * @param array $files
 211       * @return array the errors that were found
 212       */
 213      public function validation($data, $files) {
 214          global $DB;
 215          $errors = parent::validation($data, $files);
 216  
 217          // Add field validation check for duplicate shortname.
 218          $courseshortname = $DB->get_record('course', array('shortname' => $data['shortname']), 'fullname', IGNORE_MULTIPLE);
 219          if ($courseshortname) {
 220              $errors['shortname'] = get_string('shortnametaken', '', $courseshortname->fullname);
 221          }
 222  
 223          // Add field validation check for duplicate idnumber.
 224          if (!empty($data['idnumber'])) {
 225              $courseidnumber = $DB->get_record('course', array('idnumber' => $data['idnumber']), 'fullname', IGNORE_MULTIPLE);
 226              if ($courseidnumber) {
 227                  $errors['idnumber'] = get_string('courseidnumbertaken', 'error', $courseidnumber->fullname);
 228              }
 229          }
 230  
 231          // Validate the dates (make sure end isn't greater than start).
 232          if ($errorcode = course_validate_dates($data)) {
 233              $errors['enddate'] = get_string($errorcode, 'error');
 234          }
 235  
 236          return $errors;
 237      }
 238  
 239  }