mod/lesson/mediafile.php

   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 /**
  19  * This file plays the mediafile set in lesson settings.
  20  *
  21  *  If there is a way to use the resource class instead of this code, please change to do so
  22  *
  23  *
  24  * @package    mod
  25  * @subpackage lesson
  26  * @copyright  1999 onwards Martin Dougiamas  {@link http://moodle.com}
  27  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  28  **/
  29
  30 require_once('../../config.php');
  31 require_once($CFG->dirroot.'/mod/lesson/locallib.php');
  32
  33 $id = required_param('id', PARAM_INT);    // Course Module ID
  34 $printclose = optional_param('printclose', 0, PARAM_INT);
  35
  36 $cm = get_coursemodule_from_id('lesson', $id, 0, false, MUST_EXIST);;
  37 $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
  38 $lesson = new lesson($DB->get_record('lesson', array('id' => $cm->instance), '*', MUST_EXIST));
  39
  40 require_login($course, false, $cm);
  41
  42 $context = context_module::instance($cm->id);
  43 $canmanage = has_capability('mod/lesson:manage', $context);
  44
  45 $url = new moodle_url('/mod/lesson/mediafile.php', array('id'=>$id));
  46 if ($printclose !== '') {
  47     $url->param('printclose', $printclose);
  48 }
  49 $PAGE->set_url($url);
  50 $PAGE->set_pagelayout('popup');
  51 $PAGE->set_title($course->shortname);
  52
  53 $lessonoutput = $PAGE->get_renderer('mod_lesson');
  54
  55 // Get the mimetype
  56 $mimetype = mimeinfo("type", $lesson->mediafile);
  57
  58 if ($printclose) {  // this is for framesets
  59     if ($lesson->mediaclose) {
  60         echo $lessonoutput->header($lesson, $cm);
  61         echo $OUTPUT->box('<form><div><input type="button" onclick="top.close();" value="'.get_string("closewindow").'" /></div></form>', 'lessonmediafilecontrol');
  62         echo $lessonoutput->footer();
  63     }
  64     exit();
  65 }
  66
  67 echo $lessonoutput->header($lesson, $cm);
  68
  69 //TODO: this is copied from view.php - the access should be the same!
  70 /// Check these for students only TODO: Find a better method for doing this!
  71 ///     Check lesson availability
  72 ///     Check for password
  73 ///     Check dependencies
  74 ///     Check for high scores
  75 if (!$canmanage) {
  76     if (!$lesson->is_accessible()) {  // Deadline restrictions
  77         echo $lessonoutput->header($lesson, $cm);
  78         if ($lesson->deadline != 0 && time() > $lesson->deadline) {
  79             echo $lessonoutput->lesson_inaccessible(get_string('lessonclosed', 'lesson', userdate($lesson->deadline)));
  80         } else {
  81             echo $lessonoutput->lesson_inaccessible(get_string('lessonopen', 'lesson', userdate($lesson->available)));
  82         }
  83         echo $lessonoutput->footer();
  84         exit();
  85     } else if ($lesson->usepassword && empty($USER->lessonloggedin[$lesson->id])) { // Password protected lesson code
  86         $correctpass = false;
  87         if (!empty($userpassword) && (($lesson->password == md5(trim($userpassword))) || ($lesson->password == trim($userpassword)))) {
  88             // with or without md5 for backward compatibility (MDL-11090)
  89             $USER->lessonloggedin[$lesson->id] = true;
  90             if ($lesson->highscores) {
  91                 // Logged in - redirect so we go through all of these checks before starting the lesson.
  92                 redirect("$CFG->wwwroot/mod/lesson/view.php?id=$cm->id");
  93             }
  94         } else {
  95             echo $lessonoutput->header($lesson, $cm);
  96             echo $lessonoutput->login_prompt($lesson, $userpassword !== '');
  97             echo $lessonoutput->footer();
  98             exit();
  99         }
 100     }
 101 }
 102
 103 // print the embedded media html code
 104 echo $OUTPUT->box(lesson_get_media_html($lesson, $context));
 105
 106 if ($lesson->mediaclose) {
 107    echo '<div class="lessonmediafilecontrol">';
 108    echo $OUTPUT->close_window_button();
 109    echo '</div>';
 110 }
 111
 112 echo $lessonoutput->footer();