ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
class.ilSCORM2004Tracking.php
Go to the documentation of this file.
1<?php
2
3/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */
4
12class ilSCORM2004Tracking
13{
18 function ilObjSCORM2004Tracking()
19 {
20 }
21
22 function _getInProgress($scorm_item_id,$a_obj_id)
23 {
24
25die("Not Implemented: ilSCORM2004Tracking_getInProgress");
26/*
27 global $ilDB;
28
29 if(is_array($scorm_item_id))
30 {
31 $where = "WHERE sco_id IN(";
32 $where .= implode(",",ilUtil::quoteArray($scorm_item_id));
33 $where .= ") ";
34 $where .= ("AND obj_id = ".$ilDB->quote($a_obj_id)." ");
35
36 }
37 else
38 {
39 $where = "WHERE sco_id = ".$ilDB->quote($scorm_item_id)." ";
40 $where .= ("AND obj_id = ".$ilDB->quote($a_obj_id)." ");
41 }
42
43
44 $query = "SELECT user_id,sco_id FROM scorm_tracking ".
45 $where.
46 "GROUP BY user_id, sco_id";
47
48
49 $res = $ilDB->query($query);
50 while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
51 {
52 $in_progress[$row->sco_id][] = $row->user_id;
53 }
54 return is_array($in_progress) ? $in_progress : array();
55*/
56 }
57
58 function _getCompleted($scorm_item_id,$a_obj_id)
59 {
60 global $ilDB;
61
62die("Not Implemented: ilSCORM2004Tracking_getCompleted");
63/*
64 if(is_array($scorm_item_id))
65 {
66 $where = "WHERE sco_id IN(".implode(",",ilUtil::quoteArray($scorm_item_id)).") ";
67 }
68 else
69 {
70 $where = "sco_id = ".$ilDB->quote($scorm_item_id)." ";
71 }
72
73 $query = "SELECT DISTINCT(user_id) FROM scorm_tracking ".
74 $where.
75 "AND obj_id = ".$ilDB->quote($a_obj_id)." ".
76 "AND lvalue = 'cmi.core.lesson_status' ".
77 "AND ( rvalue = 'completed' ".
78 "OR rvalue = 'passed')";
79 $res = $ilDB->query($query);
80 while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
81 {
82 $user_ids[] = $row->user_id;
83 }
84 return $user_ids ? $user_ids : array();
85*/
86 }
87
88 function _getFailed($scorm_item_id,$a_obj_id)
89 {
90 global $ilDB;
91
92die("Not Implemented: ilSCORM2004Tracking_getFailed");
93/*
94 if(is_array($scorm_item_id))
95 {
96 $where = "WHERE sco_id IN('".implode("','",$scorm_item_id)."') ";
97 }
98 else
99 {
100 $where = "sco_id = '".$scorm_item_id."' ";
101 }
102
103 $query = "SELECT DISTINCT(user_id) FROM scorm_tracking ".
104 $where.
105 "AND obj_id = '".$a_obj_id."' ".
106 "AND lvalue = 'cmi.core.lesson_status' ".
107 "AND rvalue = 'failed'";
108 $res = $ilDB->query($query);
109 while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
110 {
111 $user_ids[] = $row->user_id;
112 }
113 return $user_ids ? $user_ids : array();
114*/
115 }
116
124 function _getCountCompletedPerUser($a_scorm_item_ids, $a_obj_id, $a_omit_failed = false)
125 {
126 global $ilDB;
127
128 $in = $ilDB->in('cp_node.cp_node_id', $a_scorm_item_ids, false, 'integer');
129
130 // #8171: success_status vs. completion status
131 $omit_failed = '';
132 if($a_omit_failed)
133 {
134 $omit_failed = ' AND success_status <> '.$ilDB->quote('failed', 'text');
135 }
136
137 $res = $ilDB->queryF('
138 SELECT cmi_node.user_id user_id, COUNT(user_id) completed FROM cp_node, cmi_node
139 WHERE '.$in.$omit_failed.'
140 AND cp_node.cp_node_id = cmi_node.cp_node_id
141 AND cp_node.slm_id = %s
142 AND completion_status = %s
143 GROUP BY cmi_node.user_id',
144 array('integer', 'text'),
145 array($a_obj_id, 'completed')
146 );
147 while($row = $ilDB->fetchObject($res))
148 {
149 $users[$row->user_id] = $row->completed;
150 }
151
152 return $users ? $users : array();
153 }
154
155
161 function _getProgressInfo($a_obj_id)
162 {
163 global $ilDB;
164
165 $res = $ilDB->queryF('
166 SELECT user_id, status, satisfied FROM cmi_gobjective
167 WHERE objective_id = %s
168 AND scope_id = %s',
169 array('text', 'integer'),
170 array('-course_overall_status-', $a_obj_id)
171 );
172
173 $info['completed'] = array();
174 $info['failed'] = array();
175 $info['in_progress'] = array();
176
177 while($row = $ilDB->fetchAssoc($res))
178 {
179 if (self::_isCompleted($row["status"], $row["satisfied"]))
180 {
181 $info['completed'][] = $row["user_id"];
182 }
183 if (self::_isInProgress($row["status"], $row["satisfied"]))
184 {
185 $info['in_progress'][] = $row["user_id"];
186 }
187 if (self::_isFailed($row["status"], $row["satisfied"]))
188 {
189 $info['failed'][] = $row["user_id"];
190 }
191 }
192
193 return $info;
194 }
195
201 function _getProgressInfoOfUser($a_obj_id, $a_user_id)
202 {
203 global $ilDB, $ilLog;
204
205 $res = $ilDB->queryF('
206 SELECT status, satisfied FROM cmi_gobjective
207 WHERE objective_id = %s
208 AND scope_id = %s AND user_id = %s',
209 array('text', 'integer', 'integer'),
210 array('-course_overall_status-', $a_obj_id, $a_user_id)
211 );
212
213 $status = "not_attempted";
214 if ($row = $ilDB->fetchAssoc($res))
215 {
216 if (self::_isInProgress($row["status"], $row["satisfied"]))
217 {
218 $status = "in_progress";
219 }
220 if (self::_isCompleted($row["status"], $row["satisfied"]))
221 {
222 $status = "completed";
223 }
224 if (self::_isFailed($row["status"], $row["satisfied"]))
225 {
226 $status = "failed";
227 }
228 }
229 return $status;
230 }
231
237 function _getTrackedUsers($a_obj_id)
238 {
239 global $ilDB, $ilLog;
240
241 $res = $ilDB->queryF('
242 SELECT DISTINCT user_id FROM cmi_gobjective
243 WHERE objective_id = %s
244 AND scope_id = %s',
245 array('text', 'integer'),
246 array('-course_overall_status-', $a_obj_id)
247 );
248
249 $users = array();
250 while ($row = $ilDB->fetchAssoc($res))
251 {
252 $users[] = $row["user_id"];
253 }
254 return $users;
255 }
256
257 function _getItemProgressInfo($a_scorm_item_ids, $a_obj_id, $a_omit_failed = false)
258 {
259 global $ilDB;
260
261 $in = $ilDB->in('cp_node.cp_node_id', $a_scorm_item_ids, false, 'integer');
262
263 $res = $ilDB->queryF(
264 'SELECT cp_node.cp_node_id id,
265 cmi_node.user_id user_id,
266 cmi_node.completion_status completion,
267 cmi_node.success_status success
268 FROM cp_node, cmi_node
269 WHERE '.$in.'
270 AND cp_node.cp_node_id = cmi_node.cp_node_id
271 AND cp_node.slm_id = %s',
272 array('integer'),
273 array($a_obj_id)
274 );
275
276 $info['completed'] = array();
277 $info['failed'] = array();
278 $info['in_progress'] = array();
279
280 while($row = $ilDB->fetchAssoc($res))
281 {
282 // if any data available, set in progress.
283 $info['in_progress'][$row["id"]][] = $row["user_id"];
284 if ($row["completion"] == "completed" || $row["success"] == "passed")
285 {
286 // #8171: success_status vs. completion status
287 if(!$a_omit_failed || $row["success"] != "failed")
288 {
289 $info['completed'][$row["id"]][] = $row["user_id"];
290 }
291 }
292 if ($row["success"] == "failed")
293 {
294 $info['failed'][$row["id"]][] = $row["user_id"];
295 }
296 }
297 return $info;
298 }
299
300 public static function _getCollectionStatus($a_scos, $a_obj_id, $a_user_id)
301 {
302 global $ilDB;
303
304 $status = "not_attempted";
305
306 if (is_array($a_scos))
307 {
308 $in = $ilDB->in('cp_node.cp_node_id', $a_scos, false, 'integer');
309
310 $res = $ilDB->queryF(
311 'SELECT cp_node.cp_node_id id,
312 cmi_node.completion_status completion,
313 cmi_node.success_status success
314 FROM cp_node, cmi_node
315 WHERE '.$in.'
316 AND cp_node.cp_node_id = cmi_node.cp_node_id
317 AND cp_node.slm_id = %s
318 AND cmi_node.user_id = %s',
319 array('integer', 'integer'),
320 array($a_obj_id, $a_user_id)
321 );
322
323 $started = false;
324 $cntcompleted = 0;
325 $failed = false;
326 while ($rec = $ilDB->fetchAssoc($res))
327 {
328 if ($rec["completion"] == "completed" || $rec["success"] == "passed")
329 {
330 $cntcompleted++;
331 }
332 if ($rec["success"] == "failed") $failed = true;
333 $started = true;
334 }
335 if ($started == true) $status = "in_progress";
336 if ($failed == true) $status = "failed";
337 else if ($cntcompleted == count($a_scos)) $status = "completed";
338
339 }
340 return $status;
341 }
342
343 public static function _countCompleted($a_scos, $a_obj_id, $a_user_id,
344 $a_omit_failed = false)
345 {
346 global $ilDB;
347
348 if (is_array($a_scos))
349 {
350 $in = $ilDB->in('cp_node.cp_node_id', $a_scos, false, 'integer');
351
352 $res = $ilDB->queryF(
353 'SELECT cp_node.cp_node_id id,
354 cmi_node.completion_status completion,
355 cmi_node.success_status success
356 FROM cp_node, cmi_node
357 WHERE '.$in.'
358 AND cp_node.cp_node_id = cmi_node.cp_node_id
359 AND cp_node.slm_id = %s
360 AND cmi_node.user_id = %s',
361 array('integer', 'integer'),
362 array($a_obj_id, $a_user_id)
363 );
364
365
366 $cnt = 0;
367 while ($rec = $ilDB->fetchAssoc($res))
368 {
369 // #8171: alex, added (!$a_omit_failed || $rec["success"] != "failed")
370 // since completed/failed combination should not be included in
371 // percentage calculation at ilLPStatusSCOM::determinePercentage
372 if (($rec["completion"] == "completed" || $rec["success"] == "passed")
373 && (!$a_omit_failed || $rec["success"] != "failed"))
374 {
375 $cnt++;
376 }
377 }
378
379 }
380 return $cnt;
381 }
382
389 function _syncReadEvent($a_obj_id, $a_user_id, $a_type, $a_ref_id, $time_from_lms = null)
390 {
391 global $ilDB;
392
393 //get condition to select time
394 $val_set = $ilDB->queryF(
395 'SELECT time_from_lms FROM sahs_lm WHERE id = %s',
396 array('integer'),array($a_obj_id));
397 $val_rec = $ilDB->fetchAssoc($val_set);
398 $time_from_lms=(ilUtil::yn2tf($val_rec["time_from_lms"]));
399
400 // get attempts and time
401 $val_set = $ilDB->queryF('
402 SELECT package_attempts, sco_total_time_sec, total_time_sec
403 FROM sahs_user WHERE obj_id = %s AND user_id = %s',
404 array('integer','integer'), array($a_obj_id,$a_user_id));
405 $val_rec = $ilDB->fetchAssoc($val_set);
406 if ($time_from_lms == false) $time = $val_rec["sco_total_time_sec"];
407 else $time = $val_rec["total_time_sec"];
408 $attempts = $val_rec["package_attempts"];
409 if ($attempts == null) $attempts = ""; //??
410
411 if ($attempts != "" && $time == null) { //use old way
412 $time = self::getSumTotalTimeSecondsFromScos($a_obj_id, $a_user_id,true);
413 }
414
415 include_once("./Services/Tracking/classes/class.ilChangeEvent.php");
416 ilChangeEvent::_recordReadEvent($a_type, $a_ref_id,
417 $a_obj_id, $a_user_id, false, $attempts, $time);
418 }
419
423 static function _isCompleted($a_status, $a_satisfied)
424 {
425 if ($a_status == "completed" || $a_satisfied == "satisfied")
426 {
427 return true;
428 }
429
430 return false;
431 }
432
436 static function _isInProgress($a_status, $a_satisfied)
437 {
438 if ($a_status != "completed")
439 {
440 return true;
441 }
442
443 return false;
444 }
445
449 static function _isFailed($a_status, $a_satisfied)
450 {
451 if ($a_status == "completed" && $a_satisfied == "notSatisfied")
452 {
453 return true;
454 }
455
456 return false;
457 }
458
462 function getSumTotalTimeSecondsFromScos($a_obj_id, $a_user_id, $a_write=false)
463 {
464 global $ilDB, $ilLog;
465 $scos = array();
466 $val_set = $ilDB->queryF(
467 'SELECT cp_node_id FROM cp_node
468 WHERE nodename = %s
469 AND cp_node.slm_id = %s',
470 array('text', 'integer'),
471 array('item', $a_obj_id)
472 );
473 while($val_rec = $ilDB->fetchAssoc($val_set))
474 {
475 array_push($scos,$val_rec['cp_node_id']);
476 }
477 $time = 0;
478 foreach ($scos as $sco)
479 {
480 include_once("./Modules/Scorm2004/classes/class.ilObjSCORM2004LearningModule.php");
481 $data_set = $ilDB->queryF('
482 SELECT total_time
483 FROM cmi_node
484 WHERE cp_node_id = %s
485 AND user_id = %s',
486 array('integer','integer'),
487 array($sco, $a_user_id)
488 );
489
490 while($data_rec = $ilDB->fetchAssoc($data_set))
491 {
492 $sec = ilObjSCORM2004LearningModule::_ISODurationToCentisec($data_rec["total_time"]) / 100;
493 }
494 $time += (int) $sec;
495 $sec = 0;
496//$ilLog->write("++".$time);
497 }
498 if ($a_write && $time>0) {
499 $ilDB->queryF('UPDATE sahs_user SET sco_total_time_sec=%s WHERE obj_id = %s AND user_id = %s',
500 array('integer', 'integer', 'integer'),
501 array($time, $a_obj_id, $a_user_id));
502 }
503 return $time;
504 }
505
506}
507// END class.ilSCORM2004Tracking
508?>
$failed
$failed
Definition: Utf8Test.php:86
ilChangeEvent\_recordReadEvent
_recordReadEvent($a_type, $a_ref_id, $obj_id, $usr_id, $isCatchupWriteEvents=true, $a_ext_rc=false, $a_ext_time=false)
Records a read event and catches up with write events.
Definition: class.ilChangeEvent.php:113
ilObjSCORM2004LearningModule\_ISODurationToCentisec
_ISODurationToCentisec($str)
convert ISO 8601 Timeperiods to centiseconds ta
Definition: class.ilObjSCORM2004LearningModule.php:670
ilSCORM2004Tracking
Class ilSCORM2004Tracking.
Definition: class.ilSCORM2004Tracking.php:13
ilSCORM2004Tracking\_getProgressInfo
_getProgressInfo($a_obj_id)
Get overall scorm status.
Definition: class.ilSCORM2004Tracking.php:161
ilSCORM2004Tracking\_countCompleted
static _countCompleted($a_scos, $a_obj_id, $a_user_id, $a_omit_failed=false)
Definition: class.ilSCORM2004Tracking.php:343
ilSCORM2004Tracking\_getCountCompletedPerUser
_getCountCompletedPerUser($a_scorm_item_ids, $a_obj_id, $a_omit_failed=false)
Get progress of selected scos.
Definition: class.ilSCORM2004Tracking.php:124
ilSCORM2004Tracking\_getProgressInfoOfUser
_getProgressInfoOfUser($a_obj_id, $a_user_id)
Get overall scorm status.
Definition: class.ilSCORM2004Tracking.php:201
ilSCORM2004Tracking\_getCollectionStatus
static _getCollectionStatus($a_scos, $a_obj_id, $a_user_id)
Definition: class.ilSCORM2004Tracking.php:300
ilSCORM2004Tracking\_isFailed
static _isFailed($a_status, $a_satisfied)
Definition: class.ilSCORM2004Tracking.php:449
ilSCORM2004Tracking\_getCompleted
_getCompleted($scorm_item_id, $a_obj_id)
Definition: class.ilSCORM2004Tracking.php:58
ilSCORM2004Tracking\_getTrackedUsers
_getTrackedUsers($a_obj_id)
Get all tracked users.
Definition: class.ilSCORM2004Tracking.php:237
ilSCORM2004Tracking\_isInProgress
static _isInProgress($a_status, $a_satisfied)
Definition: class.ilSCORM2004Tracking.php:436
ilSCORM2004Tracking\_syncReadEvent
_syncReadEvent($a_obj_id, $a_user_id, $a_type, $a_ref_id, $time_from_lms=null)
Synch read event table.
Definition: class.ilSCORM2004Tracking.php:389
ilSCORM2004Tracking\_getInProgress
_getInProgress($scorm_item_id, $a_obj_id)
Definition: class.ilSCORM2004Tracking.php:22
ilSCORM2004Tracking\getSumTotalTimeSecondsFromScos
getSumTotalTimeSecondsFromScos($a_obj_id, $a_user_id, $a_write=false)
should be avoided; store value to increase performance for further requests
Definition: class.ilSCORM2004Tracking.php:462
ilSCORM2004Tracking\ilObjSCORM2004Tracking
ilObjSCORM2004Tracking()
Constructor @access public.
Definition: class.ilSCORM2004Tracking.php:18
ilSCORM2004Tracking\_isCompleted
static _isCompleted($a_status, $a_satisfied)
Definition: class.ilSCORM2004Tracking.php:423
ilSCORM2004Tracking\_getItemProgressInfo
_getItemProgressInfo($a_scorm_item_ids, $a_obj_id, $a_omit_failed=false)
Definition: class.ilSCORM2004Tracking.php:257
ilSCORM2004Tracking\_getFailed
_getFailed($scorm_item_id, $a_obj_id)
Definition: class.ilSCORM2004Tracking.php:88
ilUtil\yn2tf
static yn2tf($a_yn)
convert "y"/"n" to true/false
Definition: class.ilUtil.php:3296
$info
$info
Definition: example_052.php:80
$ilLog
$ilLog
Definition: inc.setup_header.php:136
$ilDB
global $ilDB
Definition: storeScorm2004.php:19