mod/url/view.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  * URL module main user interface
  20  *
  21  * @package    mod
  22  * @subpackage url
  23  * @copyright  2009 Petr Skoda  {@link http://skodak.org}
  24  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25  */
  26
  27 require('../../config.php');
  28 require_once("$CFG->dirroot/mod/url/locallib.php");
  29 require_once($CFG->libdir . '/completionlib.php');
  30
  31 $id       = optional_param('id', 0, PARAM_INT);        // Course module ID
  32 $u        = optional_param('u', 0, PARAM_INT);         // URL instance id
  33 $redirect = optional_param('redirect', 0, PARAM_BOOL);
  34
  35 if ($u) {  // Two ways to specify the module
  36     $url = $DB->get_record('url', array('id'=>$u), '*', MUST_EXIST);
  37     $cm = get_coursemodule_from_instance('url', $url->id, $url->course, false, MUST_EXIST);
  38
  39 } else {
  40     $cm = get_coursemodule_from_id('url', $id, 0, false, MUST_EXIST);
  41     $url = $DB->get_record('url', array('id'=>$cm->instance), '*', MUST_EXIST);
  42 }
  43
  44 $course = $DB->get_record('course', array('id'=>$cm->course), '*', MUST_EXIST);
  45
  46 require_course_login($course, true, $cm);
  47 $context = get_context_instance(CONTEXT_MODULE, $cm->id);
  48 require_capability('mod/url:view', $context);
  49
  50 add_to_log($course->id, 'url', 'view', 'view.php?id='.$cm->id, $url->id, $cm->id);
  51
  52 // Update 'viewed' state if required by completion system
  53 $completion = new completion_info($course);
  54 $completion->set_module_viewed($cm);
  55
  56 $PAGE->set_url('/mod/url/view.php', array('id' => $cm->id));
  57
  58 if ($redirect) {
  59     // coming from course page or url index page,
  60     // the redirection is needed for completion tracking and logging
  61     $fullurl = url_get_full_url($url, $cm, $course);
  62     redirect(str_replace('&amp;', '&', $fullurl));
  63 }
  64
  65 switch (url_get_final_display_type($url)) {
  66     case RESOURCELIB_DISPLAY_EMBED:
  67         url_display_embed($url, $cm, $course);
  68         break;
  69     case RESOURCELIB_DISPLAY_FRAME:
  70         url_display_frame($url, $cm, $course);
  71         break;
  72     default:
  73         url_print_workaround($url, $cm, $course);
  74         break;
  75 }