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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  /**
  18   * Adds new instance of enrol_cohort to specified course.
  19   *
  20   * @package    enrol_cohort
  21   * @copyright  2010 Petr Skoda {@link http://skodak.org}
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  require('../../config.php');
  26  require_once("$CFG->dirroot/enrol/cohort/edit_form.php");
  27  require_once("$CFG->dirroot/enrol/cohort/locallib.php");
  28  require_once("$CFG->dirroot/group/lib.php");
  29  
  30  $courseid = required_param('courseid', PARAM_INT);
  31  $instanceid = optional_param('id', 0, PARAM_INT);
  32  
  33  $course = $DB->get_record('course', array('id'=>$courseid), '*', MUST_EXIST);
  34  $context = context_course::instance($course->id, MUST_EXIST);
  35  
  36  require_login($course);
  37  require_capability('moodle/course:enrolconfig', $context);
  38  require_capability('enrol/cohort:config', $context);
  39  
  40  $PAGE->set_url('/enrol/cohort/edit.php', array('courseid'=>$course->id, 'id'=>$instanceid));
  41  $PAGE->set_pagelayout('admin');
  42  
  43  $returnurl = new moodle_url('/enrol/instances.php', array('id'=>$course->id));
  44  if (!enrol_is_enabled('cohort')) {
  45      redirect($returnurl);
  46  }
  47  
  48  $enrol = enrol_get_plugin('cohort');
  49  
  50  if ($instanceid) {
  51      $instance = $DB->get_record('enrol', array('courseid'=>$course->id, 'enrol'=>'cohort', 'id'=>$instanceid), '*', MUST_EXIST);
  52  
  53  } else {
  54      // No instance yet, we have to add new instance.
  55      if (!$enrol->get_newinstance_link($course->id)) {
  56          redirect($returnurl);
  57      }
  58      navigation_node::override_active_url(new moodle_url('/enrol/instances.php', array('id'=>$course->id)));
  59      $instance = new stdClass();
  60      $instance->id         = null;
  61      $instance->courseid   = $course->id;
  62      $instance->enrol      = 'cohort';
  63      $instance->customint1 = ''; // Cohort id.
  64      $instance->customint2 = 0;  // Optional group id.
  65  }
  66  
  67  // Try and make the manage instances node on the navigation active.
  68  $courseadmin = $PAGE->settingsnav->get('courseadmin');
  69  if ($courseadmin && $courseadmin->get('users') && $courseadmin->get('users')->get('manageinstances')) {
  70      $courseadmin->get('users')->get('manageinstances')->make_active();
  71  }
  72  
  73  
  74  $mform = new enrol_cohort_edit_form(null, array($instance, $enrol, $course));
  75  
  76  if ($mform->is_cancelled()) {
  77      redirect($returnurl);
  78  
  79  } else if ($data = $mform->get_data()) {
  80      if ($data->id) {
  81          // NOTE: no cohort changes here!!!
  82          if ($data->roleid != $instance->roleid) {
  83              // The sync script can only add roles, for perf reasons it does not modify them.
  84              role_unassign_all(array('contextid'=>$context->id, 'roleid'=>$instance->roleid, 'component'=>'enrol_cohort', 'itemid'=>$instance->id));
  85          }
  86          $instance->name         = $data->name;
  87          $instance->status       = $data->status;
  88          $instance->roleid       = $data->roleid;
  89          $instance->customint2   = $data->customint2;
  90          $instance->timemodified = time();
  91          $DB->update_record('enrol', $instance);
  92      }  else {
  93          $enrol->add_instance($course, array('name'=>$data->name, 'status'=>$data->status, 'customint1'=>$data->customint1, 'roleid'=>$data->roleid, 'customint2'=>$data->customint2));
  94      }
  95      $trace = new null_progress_trace();
  96      enrol_cohort_sync($trace, $course->id);
  97      $trace->finished();
  98      redirect($returnurl);
  99  }
 100  
 101  $PAGE->set_heading($course->fullname);
 102  $PAGE->set_title(get_string('pluginname', 'enrol_cohort'));
 103  
 104  echo $OUTPUT->header();
 105  $mform->display();
 106  echo $OUTPUT->footer();