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1 | <?php |
2 | /* | |
3 | +--------------------------------------------------------------------+ | |
4 | | CiviCRM version 4.3 | | |
5 | +--------------------------------------------------------------------+ | |
6 | | Copyright CiviCRM LLC (c) 2004-2013 | | |
7 | +--------------------------------------------------------------------+ | |
8 | | This file is a part of CiviCRM. | | |
9 | | | | |
10 | | CiviCRM is free software; you can copy, modify, and distribute it | | |
11 | | under the terms of the GNU Affero General Public License | | |
12 | | Version 3, 19 November 2007 and the CiviCRM Licensing Exception. | | |
13 | | | | |
14 | | CiviCRM is distributed in the hope that it will be useful, but | | |
15 | | WITHOUT ANY WARRANTY; without even the implied warranty of | | |
16 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | | |
17 | | See the GNU Affero General Public License for more details. | | |
18 | | | | |
19 | | You should have received a copy of the GNU Affero General Public | | |
20 | | License and the CiviCRM Licensing Exception along | | |
21 | | with this program; if not, contact CiviCRM LLC | | |
22 | | at info[AT]civicrm[DOT]org. If you have questions about the | | |
23 | | GNU Affero General Public License or the licensing of CiviCRM, | | |
24 | | see the CiviCRM license FAQ at http://civicrm.org/licensing | | |
25 | +--------------------------------------------------------------------+ | |
26 | */ | |
27 | ||
28 | /** | |
29 | * This class contains functions for managing Tag(tag) for a contact | |
30 | * | |
31 | * @package CRM | |
32 | * @copyright CiviCRM LLC (c) 2004-2013 | |
33 | * $Id$ | |
34 | * | |
35 | */ | |
36 | class CRM_Core_BAO_EntityTag extends CRM_Core_DAO_EntityTag { | |
37 | ||
38 | /** | |
39 | * | |
40 | * Given a contact id, it returns an array of tag id's the | |
41 | * contact belongs to. | |
42 | * | |
43 | * @param int $entityID id of the entity usually the contactID. | |
44 | * @param string $entityTable name of the entity table usually 'civicrm_contact' | |
45 | * | |
46 | * @return array( | |
47 | ) reference $tag array of catagory id's the contact belongs to. | |
48 | * | |
49 | * @access public | |
50 | * @static | |
51 | */ | |
52 | static function &getTag($entityID, $entityTable = 'civicrm_contact') { | |
53 | $tags = array(); | |
54 | ||
55 | $entityTag = new CRM_Core_BAO_EntityTag(); | |
56 | $entityTag->entity_id = $entityID; | |
57 | $entityTag->entity_table = $entityTable; | |
58 | $entityTag->find(); | |
59 | ||
60 | while ($entityTag->fetch()) { | |
61 | $tags[$entityTag->tag_id] = $entityTag->tag_id; | |
62 | } | |
63 | return $tags; | |
64 | } | |
65 | ||
66 | /** | |
67 | * takes an associative array and creates a entityTag object | |
68 | * | |
69 | * the function extract all the params it needs to initialize the create a | |
70 | * group object. the params array could contain additional unused name/value | |
71 | * pairs | |
72 | * | |
73 | * @param array $params (reference ) an assoc array of name/value pairs | |
74 | * | |
75 | * @return object CRM_Core_BAO_EntityTag object | |
76 | * @access public | |
77 | * @static | |
78 | */ | |
79 | static function add(&$params) { | |
80 | $dataExists = self::dataExists($params); | |
81 | if (!$dataExists) { | |
82 | return NULL; | |
83 | } | |
84 | ||
85 | $entityTag = new CRM_Core_BAO_EntityTag(); | |
86 | $entityTag->copyValues($params); | |
87 | ||
88 | // dont save the object if it already exists, CRM-1276 | |
89 | if (!$entityTag->find(TRUE)) { | |
90 | $entityTag->save(); | |
91 | ||
92 | //invoke post hook on entityTag | |
93 | // we are using this format to keep things consistent between the single and bulk operations | |
94 | // so a bit different from other post hooks | |
95 | $object = array(0 => array(0 => $params['entity_id']), 1 => $params['entity_table']); | |
96 | CRM_Utils_Hook::post('create', 'EntityTag', $params['tag_id'], $object); | |
97 | } | |
98 | return $entityTag; | |
99 | } | |
100 | ||
101 | /** | |
102 | * Check if there is data to create the object | |
103 | * | |
104 | * @params array $params (reference ) an assoc array of name/value pairs | |
105 | * | |
106 | * @return boolean | |
107 | * @access public | |
108 | * @static | |
109 | */ | |
110 | static function dataExists(&$params) { | |
111 | return ($params['tag_id'] == 0) ? FALSE : TRUE; | |
112 | } | |
113 | ||
114 | /** | |
115 | * Function to delete the tag for a contact | |
116 | * | |
117 | * @param array $params (reference ) an assoc array of name/value pairs | |
118 | * | |
119 | * @return object CRM_Core_BAO_EntityTag object | |
120 | * @access public | |
121 | * @static | |
122 | * | |
123 | */ | |
124 | static function del(&$params) { | |
125 | $entityTag = new CRM_Core_BAO_EntityTag(); | |
126 | $entityTag->copyValues($params); | |
127 | if ($entityTag->find(TRUE)) { | |
128 | $entityTag->delete(); | |
129 | ||
130 | //invoke post hook on entityTag | |
131 | $object = array(0 => array(0 => $params['entity_id']), 1 => $params['entity_table']); | |
132 | CRM_Utils_Hook::post('delete', 'EntityTag', $params['tag_id'], $object); | |
133 | } | |
134 | } | |
135 | ||
136 | /** | |
137 | * Given an array of entity ids and entity table, add all the entity to the tags | |
138 | * | |
139 | * @param array $entityIds (reference ) the array of entity ids to be added | |
140 | * @param int $tagId the id of the tag | |
141 | * @params string $entityTable name of entity table default:civicrm_contact | |
142 | * | |
143 | * @return array (total, added, notAdded) count of enities added to tag | |
144 | * @access public | |
145 | * @static | |
146 | */ | |
147 | static function addEntitiesToTag(&$entityIds, $tagId, $entityTable = 'civicrm_contact') { | |
148 | $numEntitiesAdded = 0; | |
149 | $numEntitiesNotAdded = 0; | |
150 | $entityIdsAdded = array(); | |
151 | ||
152 | foreach ($entityIds as $entityId) { | |
153 | $tag = new CRM_Core_DAO_EntityTag(); | |
154 | ||
155 | $tag->entity_id = $entityId; | |
156 | $tag->tag_id = $tagId; | |
157 | $tag->entity_table = $entityTable; | |
158 | if (!$tag->find()) { | |
159 | $tag->save(); | |
160 | $entityIdsAdded[] = $entityId; | |
161 | $numEntitiesAdded++; | |
162 | } | |
163 | else { | |
164 | $numEntitiesNotAdded++; | |
165 | } | |
166 | } | |
167 | ||
168 | //invoke post hook on entityTag | |
169 | $object = array($entityIdsAdded, $entityTable); | |
170 | CRM_Utils_Hook::post('create', 'EntityTag', $tagId, $object); | |
171 | ||
172 | // reset the group contact cache for all groups | |
173 | // if tags are being used in a smart group | |
174 | CRM_Contact_BAO_GroupContactCache::remove(); | |
175 | ||
176 | return array(count($entityIds), $numEntitiesAdded, $numEntitiesNotAdded); | |
177 | } | |
178 | ||
179 | /** | |
180 | * Given an array of entity ids and entity table, remove entity(s) tags | |
181 | * | |
182 | * @param array $entityIds (reference ) the array of entity ids to be removed | |
183 | * @param int $tagId the id of the tag | |
184 | * @params string $entityTable name of entity table default:civicrm_contact | |
185 | * | |
186 | * @return array (total, removed, notRemoved) count of entities removed from tags | |
187 | * @access public | |
188 | * @static | |
189 | */ | |
190 | static function removeEntitiesFromTag(&$entityIds, $tagId, $entityTable = 'civicrm_contact') { | |
191 | $numEntitiesRemoved = 0; | |
192 | $numEntitiesNotRemoved = 0; | |
193 | $entityIdsRemoved = array(); | |
194 | ||
195 | foreach ($entityIds as $entityId) { | |
196 | $tag = new CRM_Core_DAO_EntityTag(); | |
197 | ||
198 | $tag->entity_id = $entityId; | |
199 | $tag->tag_id = $tagId; | |
200 | $tag->entity_table = $entityTable; | |
201 | if ($tag->find()) { | |
202 | $tag->delete(); | |
203 | $entityIdsRemoved[] = $entityId; | |
204 | $numEntitiesRemoved++; | |
205 | } | |
206 | else { | |
207 | $numEntitiesNotRemoved++; | |
208 | } | |
209 | } | |
210 | ||
211 | //invoke post hook on entityTag | |
212 | $object = array($entityIdsRemoved, $entityTable); | |
213 | CRM_Utils_Hook::post('delete', 'EntityTag', $tagId, $object); | |
214 | ||
215 | // reset the group contact cache for all groups | |
216 | // if tags are being used in a smart group | |
217 | CRM_Contact_BAO_GroupContactCache::remove(); | |
218 | ||
219 | return array(count($entityIds), $numEntitiesRemoved, $numEntitiesNotRemoved); | |
220 | } | |
221 | ||
222 | /** | |
223 | * takes an associative array and creates tag entity record for all tag entities | |
224 | * | |
225 | * @param array $params (reference ) an assoc array of name/value pairs | |
226 | * @param array $contactId contact id | |
227 | * | |
228 | * @return void | |
229 | * @access public | |
230 | * @static | |
231 | */ | |
232 | static function create(&$params, $entityTable, $entityID) { | |
233 | // get categories for the entity id | |
234 | $entityTag = CRM_Core_BAO_EntityTag::getTag($entityID, $entityTable); | |
235 | ||
236 | // get the list of all the categories | |
237 | $allTag = CRM_Core_BAO_Tag::getTags($entityTable); | |
238 | ||
239 | // this fix is done to prevent warning generated by array_key_exits incase of empty array is given as input | |
240 | if (!is_array($params)) { | |
241 | $params = array(); | |
242 | } | |
243 | ||
244 | // this fix is done to prevent warning generated by array_key_exits incase of empty array is given as input | |
245 | if (!is_array($entityTag)) { | |
246 | $entityTag = array(); | |
247 | } | |
248 | ||
249 | // check which values has to be inserted/deleted for contact | |
250 | foreach ($allTag as $key => $varValue) { | |
251 | $tagParams['entity_table'] = $entityTable; | |
252 | $tagParams['entity_id'] = $entityID; | |
253 | $tagParams['tag_id'] = $key; | |
254 | ||
255 | if (array_key_exists($key, $params) && !array_key_exists($key, $entityTag)) { | |
256 | // insert a new record | |
257 | CRM_Core_BAO_EntityTag::add($tagParams); | |
258 | } | |
259 | elseif (!array_key_exists($key, $params) && array_key_exists($key, $entityTag)) { | |
260 | // delete a record for existing contact | |
261 | CRM_Core_BAO_EntityTag::del($tagParams); | |
262 | } | |
263 | } | |
264 | } | |
265 | ||
266 | /** | |
267 | * This function returns all entities assigned to a specific tag | |
268 | * | |
269 | * @param object $tag an object of a tag. | |
270 | * | |
07fc2fd3 | 271 | * @return array $entityIds array of entity ids |
6a488035 TO |
272 | * @access public |
273 | */ | |
274 | function getEntitiesByTag($tag) { | |
07fc2fd3 | 275 | $entityIds = array(); |
6a488035 TO |
276 | $entityTagDAO = new CRM_Core_DAO_EntityTag(); |
277 | $entityTagDAO->tag_id = $tag->id; | |
278 | $entityTagDAO->find(); | |
279 | while ($entityTagDAO->fetch()) { | |
07fc2fd3 | 280 | $entityIds[] = $entityTagDAO->entity_id; |
6a488035 | 281 | } |
07fc2fd3 | 282 | return $entityIds; |
6a488035 TO |
283 | } |
284 | ||
285 | /** | |
286 | * Function to get contact tags | |
287 | */ | |
288 | static function getContactTags($contactID, $count = FALSE) { | |
289 | $contactTags = array(); | |
290 | if (!$count) { | |
291 | $select = "SELECT name "; | |
292 | } | |
293 | else { | |
294 | $select = "SELECT count(*) as cnt"; | |
295 | } | |
296 | ||
297 | $query = "{$select} | |
298 | FROM civicrm_tag ct | |
299 | INNER JOIN civicrm_entity_tag et ON ( ct.id = et.tag_id AND | |
300 | et.entity_id = {$contactID} AND | |
301 | et.entity_table = 'civicrm_contact' AND | |
302 | ct.is_tagset = 0 )"; | |
303 | ||
304 | $dao = CRM_Core_DAO::executeQuery($query); | |
305 | ||
306 | if ($count) { | |
307 | $dao->fetch(); | |
308 | return $dao->cnt; | |
309 | } | |
310 | ||
311 | while ($dao->fetch()) { | |
312 | $contactTags[] = $dao->name; | |
313 | } | |
314 | ||
315 | return $contactTags; | |
316 | } | |
317 | ||
318 | /** | |
319 | * Function to get child contact tags given parentId | |
320 | */ | |
321 | static function getChildEntityTags($parentId, $entityId, $entityTable = 'civicrm_contact') { | |
322 | $entityTags = array(); | |
323 | $query = "SELECT ct.id as tag_id, name FROM civicrm_tag ct | |
324 | INNER JOIN civicrm_entity_tag et ON ( et.entity_id = {$entityId} AND | |
325 | et.entity_table = '{$entityTable}' AND et.tag_id = ct.id) | |
326 | WHERE ct.parent_id = {$parentId}"; | |
327 | ||
328 | $dao = CRM_Core_DAO::executeQuery($query); | |
329 | ||
330 | while ($dao->fetch()) { | |
331 | $entityTags[$dao->tag_id] = array( | |
332 | 'id' => $dao->tag_id, | |
333 | 'name' => $dao->name, | |
334 | ); | |
335 | } | |
336 | ||
337 | return $entityTags; | |
338 | } | |
339 | ||
340 | /** | |
341 | * Function to merge two tags: tag B into tag A. | |
342 | */ | |
343 | function mergeTags($tagAId, $tagBId) { | |
344 | $queryParams = array(1 => array($tagBId, 'Integer'), | |
345 | 2 => array($tagAId, 'Integer'), | |
346 | ); | |
347 | ||
348 | // re-compute used_for field | |
349 | $query = "SELECT id, name, used_for FROM civicrm_tag WHERE id IN (%1, %2)"; | |
350 | $dao = CRM_Core_DAO::executeQuery($query, $queryParams); | |
351 | $tags = array(); | |
352 | while ($dao->fetch()) { | |
353 | $label = ($dao->id == $tagAId) ? 'tagA' : 'tagB'; | |
354 | $tags[$label] = $dao->name; | |
355 | $tags["{$label}_used_for"] = $dao->used_for ? explode(",", $dao->used_for) : array(); | |
356 | } | |
357 | $usedFor = array_merge($tags["tagA_used_for"], $tags["tagB_used_for"]); | |
358 | $usedFor = implode(',', array_unique($usedFor)); | |
359 | $tags["tagB_used_for"] = explode(",", $usedFor); | |
360 | ||
361 | // get all merge queries together | |
362 | $sqls = array( | |
363 | // 1. update entity tag entries | |
c2105be3 | 364 | "UPDATE IGNORE civicrm_entity_tag SET tag_id = %1 WHERE tag_id = %2", |
6a488035 TO |
365 | // 2. update used_for info for tag B |
366 | "UPDATE civicrm_tag SET used_for = '{$usedFor}' WHERE id = %1", | |
367 | // 3. remove tag A, if tag A is getting merged into B | |
368 | "DELETE FROM civicrm_tag WHERE id = %2", | |
369 | // 4. remove duplicate entity tag records | |
370 | "DELETE et2.* from civicrm_entity_tag et1 INNER JOIN civicrm_entity_tag et2 ON et1.entity_table = et2.entity_table AND et1.entity_id = et2.entity_id AND et1.tag_id = et2.tag_id WHERE et1.id < et2.id", | |
c2105be3 BS |
371 | // 5. remove orphaned entity_tags |
372 | "DELETE FROM civicrm_entity_tag WHERE tag_id = %2", | |
6a488035 TO |
373 | ); |
374 | $tables = array('civicrm_entity_tag', 'civicrm_tag'); | |
375 | ||
376 | // Allow hook_civicrm_merge() to add SQL statements for the merge operation AND / OR | |
377 | // perform any other actions like logging | |
378 | CRM_Utils_Hook::merge('sqls', $sqls, $tagAId, $tagBId, $tables); | |
379 | ||
380 | // call the SQL queries in one transaction | |
381 | $transaction = new CRM_Core_Transaction(); | |
382 | foreach ($sqls as $sql) { | |
383 | CRM_Core_DAO::executeQuery($sql, $queryParams, TRUE, NULL, TRUE); | |
384 | } | |
385 | $transaction->commit(); | |
386 | ||
387 | $tags['status'] = TRUE; | |
388 | return $tags; | |
389 | } | |
390 | } | |
391 |