MDL-50837 mod_scorm: Fix availability checks
[moodle.git] / mod / scorm / view.php
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/>.
17 require_once("../../config.php");
18 require_once($CFG->dirroot.'/mod/scorm/lib.php');
19 require_once($CFG->dirroot.'/mod/scorm/locallib.php');
20 require_once($CFG->dirroot.'/course/lib.php');
22 $id = optional_param('id', '', PARAM_INT);       // Course Module ID, or
23 $a = optional_param('a', '', PARAM_INT);         // scorm ID
24 $organization = optional_param('organization', '', PARAM_INT); // organization ID.
25 $action = optional_param('action', '', PARAM_ALPHA);
26 $preventskip = optional_param('preventskip', '', PARAM_INT); // Prevent Skip view, set by javascript redirects.
28 if (!empty($id)) {
29     if (! $cm = get_coursemodule_from_id('scorm', $id, 0, true)) {
30         print_error('invalidcoursemodule');
31     }
32     if (! $course = $DB->get_record("course", array("id" => $cm->course))) {
33         print_error('coursemisconf');
34     }
35     if (! $scorm = $DB->get_record("scorm", array("id" => $cm->instance))) {
36         print_error('invalidcoursemodule');
37     }
38 } else if (!empty($a)) {
39     if (! $scorm = $DB->get_record("scorm", array("id" => $a))) {
40         print_error('invalidcoursemodule');
41     }
42     if (! $course = $DB->get_record("course", array("id" => $scorm->course))) {
43         print_error('coursemisconf');
44     }
45     if (! $cm = get_coursemodule_from_instance("scorm", $scorm->id, $course->id, true)) {
46         print_error('invalidcoursemodule');
47     }
48 } else {
49     print_error('missingparameter');
50 }
52 $url = new moodle_url('/mod/scorm/view.php', array('id' => $cm->id));
53 if ($organization !== '') {
54     $url->param('organization', $organization);
55 }
56 $PAGE->set_url($url);
57 $forcejs = get_config('scorm', 'forcejavascript');
58 if (!empty($forcejs)) {
59     $PAGE->add_body_class('forcejavascript');
60 }
62 require_login($course, false, $cm);
64 $context = context_course::instance($course->id);
65 $contextmodule = context_module::instance($cm->id);
67 $launch = false; // Does this automatically trigger a launch based on skipview.
68 if (!empty($scorm->popup)) {
69     $orgidentifier = '';
71     $scoid = 0;
72     $orgidentifier = '';
73     if ($sco = scorm_get_sco($scorm->launch, SCO_ONLY)) {
74         if (($sco->organization == '') && ($sco->launch == '')) {
75             $orgidentifier = $sco->identifier;
76         } else {
77             $orgidentifier = $sco->organization;
78         }
79         $scoid = $sco->id;
80     }
82     if (empty($preventskip) && $scorm->skipview >= SCORM_SKIPVIEW_FIRST &&
83         has_capability('mod/scorm:skipview', $contextmodule) &&
84         !has_capability('mod/scorm:viewreport', $contextmodule)) { // Don't skip users with the capability to view reports.
86         // Do we launch immediately and redirect the parent back ?
87         if ($scorm->skipview == SCORM_SKIPVIEW_ALWAYS || !scorm_has_tracks($scorm->id, $USER->id)) {
88             $launch = true;
89         }
90     }
91     // Redirect back to the section with one section per page ?
93     $courseformat = course_get_format($course)->get_course();
94     if ($courseformat->format == 'singleactivity') {
95         $courseurl = $url->out(false, array('preventskip' => '1'));
96     } else {
97         $courseurl = course_get_url($course, $cm->sectionnum)->out(false);
98     }
99     $PAGE->requires->data_for_js('scormplayerdata', Array('launch' => $launch,
100                                                            'currentorg' => $orgidentifier,
101                                                            'sco' => $scoid,
102                                                            'scorm' => $scorm->id,
103                                                            'courseurl' => $courseurl,
104                                                            'cwidth' => $scorm->width,
105                                                            'cheight' => $scorm->height,
106                                                            'popupoptions' => $scorm->options), true);
107     $PAGE->requires->string_for_js('popupsblocked', 'scorm');
108     $PAGE->requires->string_for_js('popuplaunched', 'scorm');
109     $PAGE->requires->js('/mod/scorm/view.js', true);
112 if (isset($SESSION->scorm)) {
113     unset($SESSION->scorm);
116 $strscorms = get_string("modulenameplural", "scorm");
117 $strscorm  = get_string("modulename", "scorm");
119 $shortname = format_string($course->shortname, true, array('context' => $context));
120 $pagetitle = strip_tags($shortname.': '.format_string($scorm->name));
122 // Trigger module viewed event.
123 scorm_view($scorm, $course, $cm, $contextmodule);
125 if (empty($preventskip) && empty($launch) && (has_capability('mod/scorm:skipview', $contextmodule))) {
126     scorm_simple_play($scorm, $USER, $contextmodule, $cm->id);
129 // Print the page header.
131 $PAGE->set_title($pagetitle);
132 $PAGE->set_heading($course->fullname);
133 echo $OUTPUT->header();
134 echo $OUTPUT->heading(format_string($scorm->name));
136 if (!empty($action) && confirm_sesskey() && has_capability('mod/scorm:deleteownresponses', $contextmodule)) {
137     if ($action == 'delete') {
138         $confirmurl = new moodle_url($PAGE->url, array('action' => 'deleteconfirm'));
139         echo $OUTPUT->confirm(get_string('deleteuserattemptcheck', 'scorm'), $confirmurl, $PAGE->url);
140         echo $OUTPUT->footer();
141         exit;
142     } else if ($action == 'deleteconfirm') {
143         // Delete this users attempts.
144         $DB->delete_records('scorm_scoes_track', array('userid' => $USER->id, 'scormid' => $scorm->id));
145         scorm_update_grades($scorm, $USER->id, true);
146         echo $OUTPUT->notification(get_string('scormresponsedeleted', 'scorm'), 'notifysuccess');
147     }
150 $currenttab = 'info';
151 require($CFG->dirroot . '/mod/scorm/tabs.php');
153 // Print the main part of the page.
154 $attemptstatus = '';
155 if (empty($launch) && ($scorm->displayattemptstatus == SCORM_DISPLAY_ATTEMPTSTATUS_ALL ||
156          $scorm->displayattemptstatus == SCORM_DISPLAY_ATTEMPTSTATUS_ENTRY)) {
157     $attemptstatus = scorm_get_attempt_status($USER, $scorm, $cm);
159 echo $OUTPUT->box(format_module_intro('scorm', $scorm, $cm->id).$attemptstatus, 'generalbox boxaligncenter boxwidthwide', 'intro');
161 // Check if SCORM available.
162 list($available, $warnings) = scorm_get_availability_status($scorm);
163 if (!$available) {
164     $reason = current(array_keys($warnings));
165     echo $OUTPUT->box(get_string($reason, "scorm", $warnings[$reason]), "generalbox boxaligncenter");
168 if ($available && empty($launch)) {
169     scorm_print_launch($USER, $scorm, 'view.php?id='.$cm->id, $cm);
171 if (!empty($forcejs)) {
172     echo $OUTPUT->box(get_string("forcejavascriptmessage", "scorm"), "generalbox boxaligncenter forcejavascriptmessage");
175 if (!empty($scorm->popup)) {
176     $PAGE->requires->js_init_call('M.mod_scormform.init');
179 echo $OUTPUT->footer();