MDL-28933 SCORM use a global function to check SCORM version to make sure all methods...
[moodle.git] / mod / scorm / api.php
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5c2aa157 1<?php
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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/>.
5c2aa157 16
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17require_once("../../config.php");
18require_once('locallib.php');
5c2aa157 19
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20$id = optional_param('id', '', PARAM_INT); // Course Module ID, or
21$a = optional_param('a', '', PARAM_INT); // scorm ID
22$scoid = required_param('scoid', PARAM_INT); // sco ID
23$mode = optional_param('mode', '', PARAM_ALPHA); // navigation mode
24$attempt = required_param('attempt', PARAM_INT); // new attempt
5c2aa157 25
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26//IE 6 Bug workaround
27if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE 6') !== false) {
28 @ini_set('zlib.output_compression', 'Off');
29 @apache_setenv('no-gzip', 1);
30 header( 'Content-Type: application/javascript' );
31}
5c2aa157 32
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33if (!empty($id)) {
34 if (! $cm = get_coursemodule_from_id('scorm', $id)) {
35 print_error('invalidcoursemodule');
36 }
37 if (! $course = $DB->get_record('course', array('id'=>$cm->course))) {
38 print_error('coursemisconf');
39 }
40 if (! $scorm = $DB->get_record('scorm', array('id'=>$cm->instance))) {
41 print_error('invalidcoursemodule');
42 }
43} else if (!empty($a)) {
44 if (! $scorm = $DB->get_record('scorm', array('id'=>$a))) {
45 print_error('coursemisconf');
5c2aa157 46 }
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47 if (! $course = $DB->get_record('course', array('id'=>$scorm->course))) {
48 print_error('coursemisconf');
49 }
50 if (! $cm = get_coursemodule_from_instance('scorm', $scorm->id, $course->id)) {
51 print_error('invalidcoursemodule');
52 }
53} else {
54 print_error('missingparameter');
55}
5c2aa157 56
f7b5c6aa 57$PAGE->set_url('/mod/scorm/api.php', array('scoid'=>$scoid, 'id'=>$cm->id));
5c2aa157 58
f7b5c6aa 59require_login($course->id, false, $cm);
5c2aa157 60
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61if ($usertrack = scorm_get_tracks($scoid, $USER->id, $attempt)) {
62 //according to SCORM 2004 spec(RTE V1, 4.2.8), only cmi.exit==suspend should allow previous datamodel elements on re-launch
e6402b54 63 if (!scorm_version_check($scorm->version, SCORM_13) || (isset($usertrack->{'cmi.exit'}) && ($usertrack->{'cmi.exit'} == 'suspend'))) {
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64 foreach ($usertrack as $key => $value) {
65 $userdata->$key = addslashes_js($value);
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66 }
67 } else {
68 $userdata->status = '';
69 $userdata->score_raw = '';
70 }
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71} else {
72 $userdata->status = '';
73 $userdata->score_raw = '';
74}
75$userdata->student_id = addslashes_js($USER->username);
76$userdata->student_name = addslashes_js($USER->lastname .', '. $USER->firstname);
77$userdata->mode = 'normal';
78if (isset($mode)) {
79 $userdata->mode = $mode;
80}
81if ($userdata->mode == 'normal') {
82 $userdata->credit = 'credit';
83} else {
84 $userdata->credit = 'no-credit';
85}
86if ($scodatas = scorm_get_sco($scoid, SCO_DATA)) {
87 foreach ($scodatas as $key => $value) {
88 $userdata->$key = addslashes_js($value);
5c2aa157 89 }
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90} else {
91 print_error('cannotfindsco', 'scorm');
92}
93if (!$sco = scorm_get_sco($scoid)) {
94 print_error('cannotfindsco', 'scorm');
95}
e6402b54 96if (scorm_version_check($scorm->version, SCORM_13)) {
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97 $userdata->{'cmi.scaled_passing_score'} = $DB->get_field('scorm_seq_objective', 'minnormalizedmeasure', array('scoid'=>$scoid));
98}
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99$scorm->version = strtolower(clean_param($scorm->version, PARAM_SAFEDIR)); // Just to be safe
100if (file_exists($CFG->dirroot.'/mod/scorm/datamodels/'.$scorm->version.'.js.php')) {
101 include_once($CFG->dirroot.'/mod/scorm/datamodels/'.$scorm->version.'.js.php');
102} else {
103 include_once($CFG->dirroot.'/mod/scorm/datamodels/scorm_12.js.php');
104}
105// set the start time of this SCO
106scorm_insert_track($USER->id, $scorm->id, $scoid, $attempt, 'x.start.time', time());
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107?>
108
109
110var errorCode = "0";
111function underscore(str) {
112 str = String(str).replace(/.N/g,".");
113 return str.replace(/\./g,"__");
114}