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class.ilCourseObjectiveMaterials.php
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1 <?php
2 /*
3  +-----------------------------------------------------------------------------+
4  | ILIAS open source |
5  +-----------------------------------------------------------------------------+
6  | Copyright (c) 1998-2001 ILIAS open source, University of Cologne |
7  | |
8  | This program is free software; you can redistribute it and/or |
9  | modify it under the terms of the GNU General Public License |
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13  | This program is distributed in the hope that it will be useful, |
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16  | GNU General Public License for more details. |
17  | |
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19  | along with this program; if not, write to the Free Software |
20  | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
21  +-----------------------------------------------------------------------------+
22 */
23 
24 
33 class ilCourseObjectiveMaterials
34 {
35  var $db = null;
36 
37  var $objective_id = null;
38  var $lms;
39 
40  public function __construct($a_objective_id)
41  {
42  global $ilDB;
43 
44  $this->db =& $ilDB;
45 
46  $this->objective_id = $a_objective_id;
47 
48  $this->__read();
49  }
50 
60  public function cloneDependencies($a_new_objective,$a_copy_id)
61  {
62  global $ilObjDataCache,$ilLog;
63 
64  include_once('Services/CopyWizard/classes/class.ilCopyWizardOptions.php');
65  $cwo = ilCopyWizardOptions::_getInstance($a_copy_id);
66  $mappings = $cwo->getMappings();
67  #$ilLog->write(__METHOD__.': 1');
68  foreach($this->getMaterials() as $material)
69  {
70  #$ilLog->write(__METHOD__.': 2');
71  // Copy action omit ?
72  if(!isset($mappings[$material['ref_id']]) or !$mappings[$material['ref_id']])
73  {
74  continue;
75  }
76  #$ilLog->write(__METHOD__.': 3');
77  $material_ref_id = $material['ref_id'];
78  $material_rbac_obj_id = $ilObjDataCache->lookupObjId($material_ref_id);
79  $material_obj_id = $material['obj_id'];
80  $new_ref_id = $mappings[$material_ref_id];
81  $new_rbac_obj_id = $ilObjDataCache->lookupObjId($new_ref_id);
82  #$ilLog->write(__METHOD__.': 4');
83 
84  // Link
85  if($new_rbac_obj_id == $material_rbac_obj_id)
86  {
87  #$ilLog->write(__METHOD__.': 5');
88  $ilLog->write(__METHOD__.': Material has been linked. Keeping object id.');
89  $new_obj_id = $material_obj_id;
90  }
91  elseif($material['type'] == 'st' or $material['type'] == 'pg')
92  {
93 
94  #$GLOBALS['ilLog']->write(__METHOD__.': '.print_r($material,TRUE));
95  #$GLOBALS['ilLog']->write(__METHOD__.': '.print_r($mappings,TRUE));
96 
97  #$ilLog->write(__METHOD__.': 6');
98  // Chapter assignment
99  $new_material_info = isset($mappings[$material_ref_id.'_'.$material_obj_id]) ?
100  $mappings[$material_ref_id.'_'.$material_obj_id] :
101  '';
102  $new_material_arr = explode('_',$new_material_info);
103  if(!isset($new_material_arr[1]) or !$new_material_arr[1])
104  {
105  $ilLog->write(__METHOD__.': No mapping found for chapter: '.$material_obj_id);
106  continue;
107  }
108  $new_obj_id = $new_material_arr[1];
109  $ilLog->write(__METHOD__.': New material id is: '.$new_obj_id);
110  }
111  else
112  {
113  #$ilLog->write(__METHOD__.': 7');
114  // Any type
115  $new_obj_id = $ilObjDataCache->lookupObjId($mappings[$material_ref_id]);
116  }
117 
118  #$ilLog->write(__METHOD__.': 8');
119  $new_material = new ilCourseObjectiveMaterials($a_new_objective);
120  #$ilLog->write(__METHOD__.': 8.1');
121  $new_material->setLMRefId($new_ref_id);
122  #$ilLog->write(__METHOD__.': 8.2');
123  $new_material->setLMObjId($new_obj_id);
124  #$ilLog->write(__METHOD__.': 8.3');
125  $new_material->setType($material['type']);
126  #$ilLog->write(__METHOD__.': 8.4');
127  $new_material->add();
128  #$ilLog->write(__METHOD__.': 9');
129 
130  }
131  }
132 
141  public static function _getAssignedMaterials($a_objective_id)
142  {
143  global $ilDB;
144 
145  $query = "SELECT DISTINCT(ref_id) ref_id FROM crs_objective_lm ".
146  "WHERE objective_id = ".$ilDB->quote($a_objective_id ,'integer');
147  $res = $ilDB->query($query);
148  while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
149  {
150  $ref_ids[] = $row->ref_id;
151  }
152  return $ref_ids ? $ref_ids : array();
153  }
154 
155 
156 
167  public static function _getAssignableMaterials($a_container_id)
168  {
169  global $tree,$ilDB;
170 
171  $all_materials = $tree->getSubTree($tree->getNodeData($a_container_id),true);
172  $all_materials = ilUtil::sortArray($all_materials,'title','asc');
173 
174  // Filter
175  foreach($all_materials as $material)
176  {
177  switch($material['type'])
178  {
179  case 'tst':
180  if(ilLOSettings::getInstanceByObjId($a_container_id)->isObjectiveTest($material['child']))
181  {
182  continue;
183  }
184  else
185  {
186  $assignable[] = $material;
187  }
188  break;
189 
190  case 'crs':
191  case 'rolf':
192  case 'itgr':
193  continue;
194 
195  default:
196  $assignable[] = $material;
197  break;
198  }
199  }
200  return $assignable ? $assignable : array();
201  }
202 
211  public static function _getAllAssignedMaterials($a_container_id)
212  {
213  global $ilDB;
214 
215  $query = "SELECT DISTINCT(com.ref_id) ref_id FROM crs_objectives co ".
216  "JOIN crs_objective_lm com ON co.objective_id = com.objective_id ".
217  "JOIN object_reference obr ON com.ref_id = obr.ref_id ".
218  "JOIN object_data obd ON obr.obj_id = obd.obj_id ".
219  "WHERE co.crs_id = ".$ilDB->quote($a_container_id,'integer')." ".
220  "ORDER BY obd.title ";
221 
222  $res = $ilDB->query($query);
223  while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
224  {
225  $ref_ids[] = $row->ref_id;
226  }
227  return $ref_ids ? $ref_ids : array();
228  }
229 
230  public function getMaterials()
231  {
232  return $this->lms ? $this->lms : array();
233  }
234 
235  function getChapters()
236  {
237  foreach($this->lms as $lm_data)
238  {
239  if($lm_data['type'] == 'st')
240  {
241  $chapters[] = $lm_data;
242  }
243  if($lm_data['type'] == 'pg')
244  {
245  $chapters[] = $lm_data;
246  }
247  }
248  return $chapters ? $chapters : array();
249  }
250 
251  function getLM($lm_id)
252  {
253  return $this->lms[$lm_id] ? $this->lms[$lm_id] : array();
254  }
255 
256  function getObjectiveId()
257  {
258  return $this->objective_id;
259  }
260 
261  function setLMRefId($a_ref_id)
262  {
263  $this->lm_ref_id = $a_ref_id;
264  }
265  function getLMRefId()
266  {
267  return $this->lm_ref_id ? $this->lm_ref_id : 0;
268  }
269  function setLMObjId($a_obj_id)
270  {
271  $this->lm_obj_id = $a_obj_id;
272  }
273  function getLMObjId()
274  {
275  return $this->lm_obj_id ? $this->lm_obj_id : 0;
276  }
277  function setType($a_type)
278  {
279  $this->type = $a_type;
280  }
281  function getType()
282  {
283  return $this->type;
284  }
285 
294  public function isAssigned($a_ref_id, $a_get_id = false)
295  {
296  global $ilDB;
297 
298  $query = "SELECT * FROM crs_objective_lm ".
299  "WHERE ref_id = ".$this->db->quote($a_ref_id ,'integer')." ".
300  "AND objective_id = ".$this->db->quote($this->getObjectiveId() ,'integer')." ".
301  "AND type != 'st' AND type != 'pg' ";
302  $res = $this->db->query($query);
303 
304  // begin-patch lok
305  if(!$a_get_id)
306  {
307  return $res->numRows() ? true : false;
308  }
309  else
310  {
311  $row = $this->db->fetchAssoc($res);
312  return $row["lm_ass_id"];
313  }
314  // end-patch lok
315  }
316 
325  public function isChapterAssigned($a_ref_id,$a_obj_id)
326  {
327  global $ilDB;
328 
329  $query = "SELECT * FROM crs_objective_lm ".
330  "WHERE ref_id = ".$this->db->quote($a_ref_id ,'integer')." ".
331  "AND obj_id = ".$this->db->quote($a_obj_id ,'integer')." ".
332  "AND objective_id = ".$this->db->quote($this->getObjectiveId() ,'integer')." ".
333  "AND (type = 'st' OR type = 'pg')";
334  $res = $this->db->query($query);
335  return $res->numRows() ? true : false;
336  }
337  function checkExists()
338  {
339  global $ilDB;
340 
341  if($this->getLMObjId())
342  {
343  $query = "SELECT * FROM crs_objective_lm ".
344  "WHERE objective_id = ".$ilDB->quote($this->getObjectiveId() ,'integer')." ".
345  "AND ref_id = ".$ilDB->quote($this->getLMRefId() ,'integer')." ".
346  "AND obj_id = ".$ilDB->quote($this->getLMObjId() ,'integer')." ";
347  }
348  else
349  {
350  $query = "SELECT * FROM crs_objective_lm ".
351  "WHERE objective_id = ".$ilDB->quote($this->getObjectiveId() ,'integer')." ".
352  "AND ref_id = ".$ilDB->quote($this->getLMRefId() ,'integer')." ";
353  }
354 
355  $res = $this->db->query($query);
356 
357  return $res->numRows() ? true : false;
358  }
359 
360  function add()
361  {
362  global $ilDB;
363 
364  $next_id = $ilDB->nextId('crs_objective_lm');
365  $query = "INSERT INTO crs_objective_lm (lm_ass_id,objective_id,ref_id,obj_id,type) ".
366  "VALUES( ".
367  $ilDB->quote($next_id, 'integer').", ".
368  $ilDB->quote($this->getObjectiveId() ,'integer').", ".
369  $ilDB->quote($this->getLMRefId() ,'integer').", ".
370  $ilDB->quote($this->getLMObjId() ,'integer').", ".
371  $ilDB->quote($this->getType() ,'text').
372  ")";
373  $res = $ilDB->manipulate($query);
374 
375  return true;
376  }
377  function delete($lm_id)
378  {
379  global $ilDB;
380 
381  if(!$lm_id)
382  {
383  return false;
384  }
385 
386  $query = "DELETE FROM crs_objective_lm ".
387  "WHERE lm_ass_id = ".$ilDB->quote($lm_id ,'integer')." ";
388  $res = $ilDB->manipulate($query);
389 
390  return true;
391  }
392 
393  function deleteAll()
394  {
395  global $ilDB;
396 
397  $query = "DELETE FROM crs_objective_lm ".
398  "WHERE objective_id = ".$ilDB->quote($this->getObjectiveId() ,'integer')." ";
399  $res = $ilDB->manipulate($query);
400  return true;
401  }
402 
403  // begin-patch lok
404 
412  public function writePosition($a_ass_id, $a_position)
413  {
414  global $ilDB;
415 
416  $query = "UPDATE crs_objective_lm ".
417  "SET position = ".$this->db->quote((string) $a_position ,'integer')." ".
418  "WHERE objective_id = ".$this->db->quote($this->getObjectiveId() ,'integer')." ".
419  "AND lm_ass_id = ".$ilDB->quote($a_ass_id, "integer");
420  $res = $ilDB->manipulate($query);
421  }
422 
423  // end-patch lok
424 
425  // PRIVATE
426  function __read()
427  {
428  global $tree,$ilDB;
429 
430  include_once('Modules/Course/classes/class.ilCourseObjective.php');
431  $container_ref_ids = ilObject::_getAllReferences(ilCourseObjective::_lookupContainerIdByObjectiveId($this->objective_id));
432  $container_ref_id = current($container_ref_ids);
433 
434  // begin-patch lok
435 
436  $this->lms = array();
437  $query = "SELECT position,lm_ass_id,lm.ref_id,lm.obj_id,lm.type FROM crs_objective_lm lm ".
438  "JOIN object_reference obr ON lm.ref_id = obr.ref_id ".
439  "JOIN object_data obd ON obr.obj_id = obd.obj_id ".
440  "LEFT JOIN lm_data lmd ON lmd.obj_id = lm.obj_id ".
441  "WHERE objective_id = ".$ilDB->quote($this->getObjectiveId(),'integer')." ".
442  "ORDER BY position,obd.title,lmd.title";
443 
444  $res = $this->db->query($query);
445  while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
446  {
447  if(!$tree->isInTree($row->ref_id) or !$tree->isGrandChild($container_ref_id,$row->ref_id))
448  {
449  $this->delete($row->lm_ass_id);
450  continue;
451  }
452  $lm['ref_id'] = $row->ref_id;
453  $lm['obj_id'] = $row->obj_id;
454  $lm['type'] = $row->type;
455  $lm['lm_ass_id'] = $row->lm_ass_id;
456  $lm['position'] = $row->position;
457 
458  $this->lms[$row->lm_ass_id] = $lm;
459  }
460 
461  // end-patch lok
462 
463  return true;
464  }
465 
466 }
467 ?>