ILIAS  release_5-4 Revision v5.4.26-12-gabc799a52e6
Public Member Functions | Static Public Member Functions | Protected Member Functions | Protected Attributes
ilTaxNodeAssignment Class Reference

Taxonomy node <-> item assignment. More...

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Public Member Functions

 __construct ($a_component_id, $a_obj_id, $a_item_type, $a_tax_id)
 Constructor. More...
 
 getComponentId ()
 Get component id. More...
 
 getItemType ()
 Get item type. More...
 
 getTaxonomyId ()
 Get taxonomy id. More...
 
 setObjectId ($a_val)
 Set object id. More...
 
 getObjectId ()
 Get object id. More...
 
 getAssignmentsOfNode ($a_node_id)
 Get assignments of node. More...
 
 getAssignmentsOfItem ($a_item_id)
 Get assignments for item. More...
 
 addAssignment ($a_node_id, $a_item_id, $a_order_nr=0)
 Add assignment. More...
 
 deleteAssignment ($a_node_id, $a_item_id)
 Delete assignment. More...
 
 getMaxOrderNr ($a_node_id)
 Get maximum order number. More...
 
 setOrderNr ($a_node_id, $a_item_id, $a_order_nr)
 Set order nr. More...
 
 deleteAssignmentsOfItem ($a_item_id)
 Delete assignments of item. More...
 
 deleteAssignmentsOfNode ($a_node_id)
 Delete assignments of node. More...
 
 fixOrderNr ($a_node_id)
 Fix Order Nr. More...
 

Static Public Member Functions

static deleteAllAssignmentsOfNode ($a_node_id)
 Delete assignments of node. More...
 
static findObjectsByNode ($a_tax_id, array $a_node_ids, $a_item_type)
 Find object which have assigned nodes. More...
 

Protected Member Functions

 setComponentId ($a_val)
 Set component id. More...
 
 setItemType ($a_val)
 Set item type. More...
 
 setTaxonomyId ($a_val)
 Set taxonomy id. More...
 

Protected Attributes

 $db
 

Detailed Description

Taxonomy node <-> item assignment.

This class allows to assign items to taxonomy nodes.

Author
Alex Killing alex..nosp@m.kill.nosp@m.ing@g.nosp@m.mx.d.nosp@m.e
Version
$Id$

/

Definition at line 17 of file class.ilTaxNodeAssignment.php.

Constructor & Destructor Documentation

◆ __construct()

ilTaxNodeAssignment::__construct (   $a_component_id,
  $a_obj_id,
  $a_item_type,
  $a_tax_id 
)

Constructor.

Parameters
string$a_component_idcomponent id (e.g. "glo" for Modules/Glossary)
int$a_obj_idrepository object id of the object that is responsible for the assignment
string$a_item_typeitem type (e.g. "term", must be unique component wide) [use "obj" if repository object wide taxonomies!]
int$a_tax_idtaxonomy id
Exceptions
ilTaxonomyException

Definition at line 33 of file class.ilTaxNodeAssignment.php.

34 {
35 global $DIC;
36
37 $this->db = $DIC->database();
38 if ($a_component_id == "") {
39 throw new ilTaxonomyException('No component ID passed to ilTaxNodeAssignment.');
40 }
41
42 if ($a_item_type == "") {
43 throw new ilTaxonomyException('No item type passed to ilTaxNodeAssignment.');
44 }
45
46 if ((int) $a_tax_id == 0) {
47 throw new ilTaxonomyException('No taxonomy ID passed to ilTaxNodeAssignment.');
48 }
49
50 $this->setComponentId($a_component_id);
51 $this->setItemType($a_item_type);
52 $this->setTaxonomyId($a_tax_id);
53 $this->setObjectId($a_obj_id);
54 }
ilTaxNodeAssignment\setComponentId
setComponentId($a_val)
Set component id.
Definition: class.ilTaxNodeAssignment.php:61
ilTaxNodeAssignment\setTaxonomyId
setTaxonomyId($a_val)
Set taxonomy id.
Definition: class.ilTaxNodeAssignment.php:101
ilTaxNodeAssignment\setItemType
setItemType($a_val)
Set item type.
Definition: class.ilTaxNodeAssignment.php:81
ilTaxNodeAssignment\setObjectId
setObjectId($a_val)
Set object id.
Definition: class.ilTaxNodeAssignment.php:121
ilTaxonomyException
Class for advanced editing exception handling in ILIAS.
Definition: class.ilTaxonomyException.php:14
$DIC
global $DIC
Definition: saml.php:7

References $DIC, setComponentId(), setItemType(), setObjectId(), and setTaxonomyId().

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Member Function Documentation

◆ addAssignment()

ilTaxNodeAssignment::addAssignment (   $a_node_id,
  $a_item_id,
  $a_order_nr = 0 
)

Add assignment.

Parameters
int$a_node_idnode id
int$a_item_iditem id
int$a_order_nrorder nr
Exceptions
ilTaxonomyException

Definition at line 208 of file class.ilTaxNodeAssignment.php.

209 {
210 $ilDB = $this->db;
211
212 // nothing to do, if not both IDs are greater 0
213 if ((int) $a_node_id == 0 || (int) $a_item_id == 0) {
214 return;
215 }
216
217 // sanity check: does the node belong to the given taxonomy?
218 $set = $ilDB->query(
219 "SELECT tax_tree_id FROM tax_tree " .
220 " WHERE child = " . $ilDB->quote($a_node_id, "integer")
221 );
222 $rec = $ilDB->fetchAssoc($set);
223 if ($rec["tax_tree_id"] != $this->getTaxonomyId()) {
224 throw new ilTaxonomyException('addAssignment: Node ID does not belong to current taxonomy.');
225 }
226
227 // do not re-assign, if assignment already exists
228 // order number should be kept in this case
229 $set2 = $ilDB->query(
230 $q = "SELECT item_id FROM tax_node_assignment " .
231 " WHERE component = " . $ilDB->quote($this->getComponentId(), "text") .
232 " AND item_type = " . $ilDB->quote($this->getItemType(), "text") .
233 " AND obj_id = " . $ilDB->quote($this->getObjectId(), "integer") .
234 " AND node_id = " . $ilDB->quote($a_node_id, "integer") .
235 " AND tax_id = " . $ilDB->quote($this->getTaxonomyId(), "integer") .
236 " AND item_id = " . $ilDB->quote($a_item_id, "integer")
237 );
238 if ($rec2 = $ilDB->fetchAssoc($set2)) {
239 return;
240 }
241
242 if ($a_order_nr == 0) {
243 $a_order_nr = $this->getMaxOrderNr($a_node_id) + 10;
244 }
245
246 $ilDB->replace(
247 "tax_node_assignment",
248 array(
249 "node_id" => array("integer", $a_node_id),
250 "component" => array("text", $this->getComponentId()),
251 "item_type" => array("text", $this->getItemType()),
252 "obj_id" => array("integer", $this->getObjectId()),
253 "item_id" => array("integer", $a_item_id)
254 ),
255 array(
256 "tax_id" => array("integer", $this->getTaxonomyId()),
257 "order_nr" => array("integer", $a_order_nr)
258 )
259 );
260 }
ilTaxNodeAssignment\getMaxOrderNr
getMaxOrderNr($a_node_id)
Get maximum order number.
Definition: class.ilTaxNodeAssignment.php:305
ilTaxNodeAssignment\getComponentId
getComponentId()
Get component id.
Definition: class.ilTaxNodeAssignment.php:71
$ilDB
global $ilDB
Definition: storeScorm2004.php:19

References $db, $ilDB, getComponentId(), getItemType(), getMaxOrderNr(), getObjectId(), and getTaxonomyId().

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◆ deleteAllAssignmentsOfNode()

static ilTaxNodeAssignment::deleteAllAssignmentsOfNode (   $a_node_id)
static

Delete assignments of node.

Parameters
int$a_node_idnode id

Definition at line 387 of file class.ilTaxNodeAssignment.php.

388 {
389 global $DIC;
390
391 $ilDB = $DIC->database();
392
393 $ilDB->manipulate(
394 "DELETE FROM tax_node_assignment WHERE " .
395 " node_id = " . $ilDB->quote($a_node_id, "integer")
396 );
397 }

References $DIC, and $ilDB.

Referenced by ilTaxonomyNode\delete().

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◆ deleteAssignment()

ilTaxNodeAssignment::deleteAssignment (   $a_node_id,
  $a_item_id 
)

Delete assignment.

Parameters
int$a_node_idnode id
int$a_item_iditem id
Exceptions
ilTaxonomyException

Definition at line 269 of file class.ilTaxNodeAssignment.php.

270 {
271 $ilDB = $this->db;
272
273 // nothing to do, if not both IDs are greater 0
274 if ((int) $a_node_id == 0 || (int) $a_item_id == 0) {
275 return;
276 }
277
278 // sanity check: does the node belong to the given taxonomy?
279 $set = $ilDB->query(
280 "SELECT tax_tree_id FROM tax_tree " .
281 " WHERE child = " . $ilDB->quote($a_node_id, "integer")
282 );
283 $rec = $ilDB->fetchAssoc($set);
284 if ($rec["tax_tree_id"] != $this->getTaxonomyId()) {
285 throw new ilTaxonomyException('addAssignment: Node ID does not belong to current taxonomy.');
286 }
287
288 $ilDB->manipulate(
289 "DELETE FROM tax_node_assignment WHERE " .
290 " component = " . $ilDB->quote($this->getComponentId(), "text") .
291 " AND item_type = " . $ilDB->quote($this->getItemType(), "text") .
292 " AND obj_id = " . $ilDB->quote($this->getObjectId(), "integer") .
293 " AND item_id = " . $ilDB->quote($a_item_id, "integer") .
294 " AND node_id = " . $ilDB->quote($a_node_id, "integer") .
295 " AND tax_id = " . $ilDB->quote($this->getTaxonomyId(), "integer")
296 );
297 }

References $db, $ilDB, and getTaxonomyId().

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◆ deleteAssignmentsOfItem()

ilTaxNodeAssignment::deleteAssignmentsOfItem (   $a_item_id)

Delete assignments of item.

Parameters
int$a_item_iditem id

Definition at line 350 of file class.ilTaxNodeAssignment.php.

351 {
352 $ilDB = $this->db;
353
354 $ilDB->manipulate(
355 "DELETE FROM tax_node_assignment WHERE " .
356 " component = " . $ilDB->quote($this->getComponentId(), "text") .
357 " AND item_type = " . $ilDB->quote($this->getItemType(), "text") .
358 " AND obj_id = " . $ilDB->quote($this->getObjectId(), "integer") .
359 " AND item_id = " . $ilDB->quote($a_item_id, "integer") .
360 " AND tax_id = " . $ilDB->quote($this->getTaxonomyId(), "integer")
361 );
362 }

References $db, and $ilDB.

◆ deleteAssignmentsOfNode()

ilTaxNodeAssignment::deleteAssignmentsOfNode (   $a_node_id)

Delete assignments of node.

Parameters
int$a_node_idnode id

Definition at line 369 of file class.ilTaxNodeAssignment.php.

370 {
371 $ilDB = $this->db;
372
373 $ilDB->manipulate(
374 "DELETE FROM tax_node_assignment WHERE " .
375 " node_id = " . $ilDB->quote($a_node_id, "integer") .
376 " AND component = " . $ilDB->quote($this->getComponentId(), "text") .
377 " AND obj_id = " . $ilDB->quote($this->getObjectId(), "integer") .
378 " AND item_type = " . $ilDB->quote($this->getItemType(), "text")
379 );
380 }

References $db, and $ilDB.

◆ findObjectsByNode()

static ilTaxNodeAssignment::findObjectsByNode (   $a_tax_id,
array  $a_node_ids,
  $a_item_type 
)
static

Find object which have assigned nodes.

Parameters
int$a_item_type
int$a_tax_id
array$a_node_ids
Returns
array

Definition at line 441 of file class.ilTaxNodeAssignment.php.

442 {
443 global $DIC;
444
445 $ilDB = $DIC->database();
446
447 $res = array();
448
449 $set = $ilDB->query(
450 "SELECT * FROM tax_node_assignment" .
451 " WHERE " . $ilDB->in("node_id", $a_node_ids, "", "integer") .
452 " AND tax_id = " . $ilDB->quote($a_tax_id, "integer") .
453 " AND item_type = " . $ilDB->quote($a_item_type, "text") .
454 " ORDER BY order_nr ASC"
455 );
456 while ($row = $ilDB->fetchAssoc($set)) {
457 $res[] = $row["obj_id"];
458 }
459
460 return $res;
461 }
$row
$row
Definition: migrateto20.php:360
$res
foreach($_POST as $key=> $value) $res
Definition: save_question_post_data.php:15

References $DIC, $ilDB, $res, and $row.

Referenced by ilTaxonomyClassificationProvider\getFilteredObjects().

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◆ fixOrderNr()

ilTaxNodeAssignment::fixOrderNr (   $a_node_id)

Fix Order Nr.

Definition at line 402 of file class.ilTaxNodeAssignment.php.

403 {
404 $ilDB = $this->db;
405
406 $set = $ilDB->query(
407 "SELECT * FROM tax_node_assignment " .
408 " WHERE component = " . $ilDB->quote($this->getComponentId(), "text") .
409 " AND item_type = " . $ilDB->quote($this->getItemType(), "text") .
410 " AND obj_id = " . $ilDB->quote($this->getObjectId(), "integer") .
411 " AND node_id = " . $ilDB->quote($a_node_id, "integer") .
412 " AND tax_id = " . $ilDB->quote($this->getTaxonomyId(), "integer") .
413 " ORDER BY order_nr ASC"
414 );
415 $cnt = 10;
416 while ($rec = $ilDB->fetchAssoc($set)) {
417 $ilDB->manipulate(
418 "UPDATE tax_node_assignment SET " .
419 " order_nr = " . $ilDB->quote($cnt, "integer") .
420 " WHERE component = " . $ilDB->quote($this->getComponentId(), "text") .
421 " AND item_type = " . $ilDB->quote($this->getItemType(), "text") .
422 " AND obj_id = " . $ilDB->quote($this->getObjectId(), "integer") .
423 " AND node_id = " . $ilDB->quote($a_node_id, "integer") .
424 " AND tax_id = " . $ilDB->quote($this->getTaxonomyId(), "integer") .
425 " AND item_id = " . $ilDB->quote($rec["item_id"], "integer")
426 );
427 $cnt += 10;
428 }
429 }

References $db, and $ilDB.

◆ getAssignmentsOfItem()

ilTaxNodeAssignment::getAssignmentsOfItem (   $a_item_id)
final

Get assignments for item.

Parameters
int$a_item_iditem id
Returns
array array of tax node assignments arrays

Definition at line 181 of file class.ilTaxNodeAssignment.php.

182 {
183 $ilDB = $this->db;
184
185 $set = $ilDB->query(
186 "SELECT * FROM tax_node_assignment" .
187 " WHERE component = " . $ilDB->quote($this->getComponentId(), "text") .
188 " AND item_type = " . $ilDB->quote($this->getItemType(), "text") .
189 " AND item_id = " . $ilDB->quote($a_item_id, "integer") .
190 " AND obj_id = " . $ilDB->quote($this->getObjectId(), "integer") .
191 " AND tax_id = " . $ilDB->quote($this->getTaxonomyId(), "integer")
192 );
193 $ass = array();
194 while ($rec = $ilDB->fetchAssoc($set)) {
195 $ass[] = $rec;
196 }
197 return $ass;
198 }

References $db, and $ilDB.

◆ getAssignmentsOfNode()

ilTaxNodeAssignment::getAssignmentsOfNode (   $a_node_id)
final

Get assignments of node.

Parameters
int$a_node_idnode id
Returns
array array of tax node assignments arrays

Definition at line 142 of file class.ilTaxNodeAssignment.php.

143 {
144 $ilDB = $this->db;
145
146 if (is_array($a_node_id)) {
147 $set = $ilDB->query(
148 "SELECT * FROM tax_node_assignment " .
149 " WHERE " . $ilDB->in("node_id", $a_node_id, false, "integer") .
150 " AND tax_id = " . $ilDB->quote($this->getTaxonomyId(), "integer") .
151 " AND component = " . $ilDB->quote($this->getComponentId(), "text") .
152 " AND obj_id = " . $ilDB->quote($this->getObjectId(), "integer") .
153 " AND item_type = " . $ilDB->quote($this->getItemType(), "text") .
154 " ORDER BY order_nr ASC"
155 );
156 } else {
157 $set = $ilDB->query(
158 "SELECT * FROM tax_node_assignment " .
159 " WHERE node_id = " . $ilDB->quote($a_node_id, "integer") .
160 " AND tax_id = " . $ilDB->quote($this->getTaxonomyId(), "integer") .
161 " AND component = " . $ilDB->quote($this->getComponentId(), "text") .
162 " AND obj_id = " . $ilDB->quote($this->getObjectId(), "integer") .
163 " AND item_type = " . $ilDB->quote($this->getItemType(), "text") .
164 " ORDER BY order_nr ASC"
165 );
166 }
167 $ass = array();
168 while ($rec = $ilDB->fetchAssoc($set)) {
169 $ass[] = $rec;
170 }
171
172 return $ass;
173 }

References $db, and $ilDB.

◆ getComponentId()

ilTaxNodeAssignment::getComponentId ( )

Get component id.

Returns
string component id

Definition at line 71 of file class.ilTaxNodeAssignment.php.

72 {
73 return $this->component_id;
74 }

Referenced by addAssignment().

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◆ getItemType()

ilTaxNodeAssignment::getItemType ( )

Get item type.

Returns
string item type

Definition at line 91 of file class.ilTaxNodeAssignment.php.

92 {
93 return $this->item_type;
94 }

Referenced by addAssignment().

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◆ getMaxOrderNr()

ilTaxNodeAssignment::getMaxOrderNr (   $a_node_id)

Get maximum order number.

Parameters

return

Definition at line 305 of file class.ilTaxNodeAssignment.php.

306 {
307 $ilDB = $this->db;
308
309 $set = $ilDB->query(
310 "SELECT max(order_nr) mnr FROM tax_node_assignment " .
311 " WHERE component = " . $ilDB->quote($this->getComponentId(), "text") .
312 " AND item_type = " . $ilDB->quote($this->getItemType(), "text") .
313 " AND obj_id = " . $ilDB->quote($this->getObjectId(), "integer") .
314 " AND node_id = " . $ilDB->quote($a_node_id, "integer") .
315 " AND tax_id = " . $ilDB->quote($this->getTaxonomyId(), "integer")
316 );
317 $rec = $ilDB->fetchAssoc($set);
318
319 return (int) $rec["mnr"];
320 }

References $db, and $ilDB.

Referenced by addAssignment().

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◆ getObjectId()

ilTaxNodeAssignment::getObjectId ( )

Get object id.

Returns
int object id

Definition at line 131 of file class.ilTaxNodeAssignment.php.

132 {
133 return $this->obj_id;
134 }

Referenced by addAssignment().

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◆ getTaxonomyId()

ilTaxNodeAssignment::getTaxonomyId ( )

Get taxonomy id.

Returns
int taxonomy id

Definition at line 111 of file class.ilTaxNodeAssignment.php.

112 {
113 return $this->taxonomy_id;
114 }

Referenced by addAssignment(), and deleteAssignment().

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◆ setComponentId()

ilTaxNodeAssignment::setComponentId (   $a_val)
protected

Set component id.

Parameters
string$a_valcomponent id

Definition at line 61 of file class.ilTaxNodeAssignment.php.

62 {
63 $this->component_id = $a_val;
64 }

Referenced by __construct().

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◆ setItemType()

ilTaxNodeAssignment::setItemType (   $a_val)
protected

Set item type.

Parameters
string$a_valitem type

Definition at line 81 of file class.ilTaxNodeAssignment.php.

82 {
83 $this->item_type = $a_val;
84 }

Referenced by __construct().

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◆ setObjectId()

ilTaxNodeAssignment::setObjectId (   $a_val)

Set object id.

Parameters
int$a_valobject id

Definition at line 121 of file class.ilTaxNodeAssignment.php.

122 {
123 $this->obj_id = $a_val;
124 }

Referenced by __construct().

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◆ setOrderNr()

ilTaxNodeAssignment::setOrderNr (   $a_node_id,
  $a_item_id,
  $a_order_nr 
)

Set order nr.

Parameters

return

Definition at line 328 of file class.ilTaxNodeAssignment.php.

329 {
330 $ilDB = $this->db;
331
332 $ilDB->manipulate(
333 "UPDATE tax_node_assignment SET " .
334 " order_nr = " . $ilDB->quote($a_order_nr, "integer") .
335 " WHERE component = " . $ilDB->quote($this->getComponentId(), "text") .
336 " AND item_type = " . $ilDB->quote($this->getItemType(), "text") .
337 " AND obj_id = " . $ilDB->quote($this->getObjectId(), "integer") .
338 " AND node_id = " . $ilDB->quote($a_node_id, "integer") .
339 " AND item_id = " . $ilDB->quote($a_item_id, "integer") .
340 " AND tax_id = " . $ilDB->quote($this->getTaxonomyId(), "integer")
341 );
342 }

References $db, and $ilDB.

◆ setTaxonomyId()

ilTaxNodeAssignment::setTaxonomyId (   $a_val)
protected

Set taxonomy id.

Parameters
int$a_valtaxonomy id

Definition at line 101 of file class.ilTaxNodeAssignment.php.

102 {
103 $this->taxonomy_id = $a_val;
104 }

Referenced by __construct().

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Field Documentation

◆ $db

ilTaxNodeAssignment::$db
protected

Definition at line 22 of file class.ilTaxNodeAssignment.php.

Referenced by addAssignment(), deleteAssignment(), deleteAssignmentsOfItem(), deleteAssignmentsOfNode(), fixOrderNr(), getAssignmentsOfItem(), getAssignmentsOfNode(), getMaxOrderNr(), and setOrderNr().

The documentation for this class was generated from the following file: