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class.ilCourseObjectiveMaterials.php
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1 <?php
2 /*
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20  | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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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')
92  {
93  #$ilLog->write(__METHOD__.': 6');
94  // Chapter assignment
95  $new_material_info = isset($mappings[$material_ref_id.'_'.$material_obj_id]) ?
96  $mappings[$material_ref_id.'_'.$material_obj_id] :
97  array();
98  $new_material_arr = explode('_',$new_material_info);
99  if(!isset($new_material_arr[1]) or !$new_material_arr[1])
100  {
101  $ilLog->write(__METHOD__.': No mapping found for chapter: '.$material_obj_id);
102  continue;
103  }
104  $new_obj_id = $new_material_arr[1];
105  $ilLog->write(__METHOD__.': New material id is: '.$new_obj_id);
106  }
107  else
108  {
109  #$ilLog->write(__METHOD__.': 7');
110  // Any type
111  $new_obj_id = $ilObjDataCache->lookupObjId($mappings[$material_ref_id]);
112  }
113 
114  #$ilLog->write(__METHOD__.': 8');
115  $new_material = new ilCourseObjectiveMaterials($a_new_objective);
116  #$ilLog->write(__METHOD__.': 8.1');
117  $new_material->setLMRefId($new_ref_id);
118  #$ilLog->write(__METHOD__.': 8.2');
119  $new_material->setLMObjId($new_obj_id);
120  #$ilLog->write(__METHOD__.': 8.3');
121  $new_material->setType($material['type']);
122  #$ilLog->write(__METHOD__.': 8.4');
123  $new_material->add();
124  #$ilLog->write(__METHOD__.': 9');
125 
126  }
127  }
128 
137  public static function _getAssignedMaterials($a_objective_id)
138  {
139  global $ilDB;
140 
141  $query = "SELECT DISTINCT(ref_id) ref_id FROM crs_objective_lm ".
142  "WHERE objective_id = ".$ilDB->quote($a_objective_id ,'integer')." ";
143  $res = $ilDB->query($query);
144  while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
145  {
146  $ref_ids[] = $row->ref_id;
147  }
148  return $ref_ids ? $ref_ids : array();
149  }
150 
151 
152 
163  public static function _getAssignableMaterials($a_container_id)
164  {
165  global $tree,$ilDB;
166 
167  $all_materials = $tree->getSubTree($tree->getNodeData($a_container_id),true);
168  $all_materials = ilUtil::sortArray($all_materials,'title','asc');
169 
170  // Filter
171  foreach($all_materials as $material)
172  {
173  switch($material['type'])
174  {
175  case 'tst':
176  case 'fold':
177  case 'grp':
178  case 'rolf':
179  case 'crs':
180  case 'sess':
181  continue;
182 
183  default:
184  $assignable[] = $material;
185  break;
186  }
187  }
188  return $assignable ? $assignable : array();
189  }
190 
199  public static function _getAllAssignedMaterials($a_container_id)
200  {
201  global $ilDB;
202 
203  $query = "SELECT DISTINCT(com.ref_id) ref_id FROM crs_objectives co ".
204  "JOIN crs_objective_lm com ON co.objective_id = com.objective_id ".
205  "JOIN object_reference obr ON com.ref_id = obr.ref_id ".
206  "JOIN object_data obd ON obr.obj_id = obd.obj_id ".
207  "WHERE co.crs_id = ".$ilDB->quote($a_container_id,'integer')." ".
208  "ORDER BY obd.title ";
209 
210  $res = $ilDB->query($query);
211  while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
212  {
213  $ref_ids[] = $row->ref_id;
214  }
215  return $ref_ids ? $ref_ids : array();
216  }
217 
218  public function getMaterials()
219  {
220  return $this->lms ? $this->lms : array();
221  }
222 
223  function getChapters()
224  {
225  foreach($this->lms as $lm_data)
226  {
227  if($lm_data['type'] == 'st')
228  {
229  $chapters[] = $lm_data;
230  }
231  if($lm_data['type'] == 'pg')
232  {
233  $chapters[] = $lm_data;
234  }
235  }
236  return $chapters ? $chapters : array();
237  }
238 
239  function getLM($lm_id)
240  {
241  return $this->lms[$lm_id] ? $this->lms[$lm_id] : array();
242  }
243 
244  function getObjectiveId()
245  {
246  return $this->objective_id;
247  }
248 
249  function setLMRefId($a_ref_id)
250  {
251  $this->lm_ref_id = $a_ref_id;
252  }
253  function getLMRefId()
254  {
255  return $this->lm_ref_id ? $this->lm_ref_id : 0;
256  }
257  function setLMObjId($a_obj_id)
258  {
259  $this->lm_obj_id = $a_obj_id;
260  }
261  function getLMObjId()
262  {
263  return $this->lm_obj_id ? $this->lm_obj_id : 0;
264  }
265  function setType($a_type)
266  {
267  $this->type = $a_type;
268  }
269  function getType()
270  {
271  return $this->type;
272  }
273 
282  public function isAssigned($a_ref_id)
283  {
284  global $ilDB;
285 
286  $query = "SELECT * FROM crs_objective_lm ".
287  "WHERE ref_id = ".$this->db->quote($a_ref_id ,'integer')." ".
288  "AND objective_id = ".$this->db->quote($this->getObjectiveId() ,'integer')." ".
289  "AND type != 'st' AND type != 'pg' ";
290  $res = $this->db->query($query);
291  return $res->numRows() ? true : false;
292  }
293 
302  public function isChapterAssigned($a_ref_id,$a_obj_id)
303  {
304  global $ilDB;
305 
306  $query = "SELECT * FROM crs_objective_lm ".
307  "WHERE ref_id = ".$this->db->quote($a_ref_id ,'integer')." ".
308  "AND obj_id = ".$this->db->quote($a_obj_id ,'integer')." ".
309  "AND objective_id = ".$this->db->quote($this->getObjectiveId() ,'integer')." ".
310  "AND (type = 'st' OR type = 'pg')";
311  $res = $this->db->query($query);
312  return $res->numRows() ? true : false;
313  }
314  function checkExists()
315  {
316  global $ilDB;
317 
318  if($this->getLMObjId())
319  {
320  $query = "SELECT * FROM crs_objective_lm ".
321  "WHERE objective_id = ".$ilDB->quote($this->getObjectiveId() ,'integer')." ".
322  "AND ref_id = ".$ilDB->quote($this->getLMRefId() ,'integer')." ".
323  "AND obj_id = ".$ilDB->quote($this->getLMObjId() ,'integer')." ";
324  }
325  else
326  {
327  $query = "SELECT * FROM crs_objective_lm ".
328  "WHERE objective_id = ".$ilDB->quote($this->getObjectiveId() ,'integer')." ".
329  "AND ref_id = ".$ilDB->quote($this->getLMRefId() ,'integer')." ";
330  }
331 
332  $res = $this->db->query($query);
333 
334  return $res->numRows() ? true : false;
335  }
336 
337  function add()
338  {
339  global $ilDB;
340 
341  $next_id = $ilDB->nextId('crs_objective_lm');
342  $query = "INSERT INTO crs_objective_lm (lm_ass_id,objective_id,ref_id,obj_id,type) ".
343  "VALUES( ".
344  $ilDB->quote($next_id, 'integer').", ".
345  $ilDB->quote($this->getObjectiveId() ,'integer').", ".
346  $ilDB->quote($this->getLMRefId() ,'integer').", ".
347  $ilDB->quote($this->getLMObjId() ,'integer').", ".
348  $ilDB->quote($this->getType() ,'text').
349  ")";
350  $res = $ilDB->manipulate($query);
351 
352  return true;
353  }
354  function delete($lm_id)
355  {
356  global $ilDB;
357 
358  if(!$lm_id)
359  {
360  return false;
361  }
362 
363  $query = "DELETE FROM crs_objective_lm ".
364  "WHERE lm_ass_id = ".$ilDB->quote($lm_id ,'integer')." ";
365  $res = $ilDB->manipulate($query);
366 
367  return true;
368  }
369 
370  function deleteAll()
371  {
372  global $ilDB;
373 
374  $query = "DELETE FROM crs_objective_lm ".
375  "WHERE objective_id = ".$ilDB->quote($this->getObjectiveId() ,'integer')." ";
376  $res = $ilDB->manipulate($query);
377  return true;
378  }
379 
380  // PRIVATE
381  function __read()
382  {
383  global $tree,$ilDB;
384 
385  include_once('Modules/Course/classes/class.ilCourseObjective.php');
386  $container_ref_ids = ilObject::_getAllReferences(ilCourseObjective::_lookupContainerIdByObjectiveId($this->objective_id));
387  $container_ref_id = current($container_ref_ids);
388 
389  $this->lms = array();
390  $query = "SELECT lm_ass_id,lm.ref_id,lm.obj_id,lm.type FROM crs_objective_lm lm ".
391  "JOIN object_reference obr ON lm.ref_id = obr.ref_id ".
392  "JOIN object_data obd ON obr.obj_id = obd.obj_id ".
393  "LEFT JOIN lm_data lmd ON lmd.obj_id = lm.obj_id ".
394  "WHERE objective_id = ".$ilDB->quote($this->getObjectiveId(),'integer')." ".
395  "ORDER BY obd.title,lmd.title";
396 
397  $res = $this->db->query($query);
398  while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
399  {
400  if(!$tree->isInTree($row->ref_id) or !$tree->isGrandChild($container_ref_id,$row->ref_id))
401  {
402  $this->delete($row->lm_ass_id);
403  continue;
404  }
405  $lm['ref_id'] = $row->ref_id;
406  $lm['obj_id'] = $row->obj_id;
407  $lm['type'] = $row->type;
408  $lm['lm_ass_id'] = $row->lm_ass_id;
409 
410  $this->lms[$row->lm_ass_id] = $lm;
411  }
412  return true;
413  }
414 
415 }
416 ?>