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e47bcddb CW |
1 | <?php |
2 | /* | |
3 | +--------------------------------------------------------------------+ | |
fee14197 | 4 | | CiviCRM version 5 | |
e47bcddb | 5 | +--------------------------------------------------------------------+ |
6b83d5bd | 6 | | Copyright CiviCRM LLC (c) 2004-2019 | |
e47bcddb CW |
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 | namespace Civi\API; | |
34f3bbd9 | 28 | |
ab039e22 | 29 | use Civi\API\Exception\UnauthorizedException; |
e47bcddb CW |
30 | |
31 | /** | |
32 | * Query builder for civicrm_api_basic_get. | |
33 | * | |
34 | * Fetches an entity based on specified params for the "where" clause, | |
35 | * return properties for the "select" clause, | |
36 | * as well as limit and order. | |
37 | * | |
38 | * Automatically joins on custom fields to return or filter by them. | |
39 | * | |
40 | * Supports an additional sql fragment which the calling api can provide. | |
41 | * | |
42 | * @package Civi\API | |
43 | */ | |
8bcc0d86 | 44 | abstract class SelectQuery { |
e47bcddb | 45 | |
6c051493 CW |
46 | const |
47 | MAX_JOINS = 4, | |
48 | MAIN_TABLE_ALIAS = 'a'; | |
5b46e216 | 49 | |
e47bcddb CW |
50 | /** |
51 | * @var string | |
52 | */ | |
53 | protected $entity; | |
c64f69d9 CW |
54 | public $select = []; |
55 | public $where = []; | |
56 | public $orderBy = []; | |
8bcc0d86 CW |
57 | public $limit; |
58 | public $offset; | |
e47bcddb CW |
59 | /** |
60 | * @var array | |
61 | */ | |
c64f69d9 | 62 | protected $selectFields = []; |
e47bcddb CW |
63 | /** |
64 | * @var bool | |
65 | */ | |
8bcc0d86 | 66 | public $isFillUniqueFields = FALSE; |
e47bcddb CW |
67 | /** |
68 | * @var \CRM_Utils_SQL_Select | |
69 | */ | |
70 | protected $query; | |
2cfe873c CW |
71 | /** |
72 | * @var array | |
73 | */ | |
c64f69d9 | 74 | protected $joins = []; |
e47bcddb CW |
75 | /** |
76 | * @var array | |
77 | */ | |
78 | protected $apiFieldSpec; | |
79 | /** | |
80 | * @var array | |
81 | */ | |
82 | protected $entityFieldNames; | |
b53bcc5d CW |
83 | /** |
84 | * @var array | |
85 | */ | |
c64f69d9 | 86 | protected $aclFields = []; |
d343069c CW |
87 | /** |
88 | * @var string|bool | |
89 | */ | |
8e8bf584 | 90 | protected $checkPermissions; |
8bcc0d86 CW |
91 | |
92 | protected $apiVersion; | |
e47bcddb CW |
93 | |
94 | /** | |
8bcc0d86 | 95 | * @param string $entity |
8e8bf584 | 96 | * @param bool $checkPermissions |
e47bcddb | 97 | */ |
8e8bf584 | 98 | public function __construct($entity, $checkPermissions) { |
8bcc0d86 CW |
99 | $this->entity = $entity; |
100 | require_once 'api/v3/utils.php'; | |
101 | $baoName = _civicrm_api3_get_BAO($entity); | |
6c051493 | 102 | $bao = new $baoName(); |
e47bcddb | 103 | |
6c051493 | 104 | $this->entityFieldNames = _civicrm_api3_field_names(_civicrm_api3_build_fields_array($bao)); |
8bcc0d86 | 105 | $this->apiFieldSpec = $this->getFields(); |
e47bcddb | 106 | |
6c051493 | 107 | $this->query = \CRM_Utils_SQL_Select::from($bao->tableName() . ' ' . self::MAIN_TABLE_ALIAS); |
b53bcc5d | 108 | |
6c051493 | 109 | // Add ACLs first to avoid redundant subclauses |
8e8bf584 | 110 | $this->checkPermissions = $checkPermissions; |
6c051493 | 111 | $this->query->where($this->getAclClause(self::MAIN_TABLE_ALIAS, $baoName)); |
e47bcddb CW |
112 | } |
113 | ||
d343069c CW |
114 | /** |
115 | * Build & execute the query and return results array | |
116 | * | |
066c4638 | 117 | * @return array|int |
d343069c CW |
118 | * @throws \API_Exception |
119 | * @throws \CRM_Core_Exception | |
120 | * @throws \Exception | |
121 | */ | |
e47bcddb | 122 | public function run() { |
8bcc0d86 | 123 | $this->buildSelectFields(); |
e47bcddb | 124 | |
8bcc0d86 | 125 | $this->buildWhereClause(); |
258c92c6 | 126 | if (in_array('count_rows', $this->select)) { |
8bcc0d86 | 127 | $this->query->select("count(*) as c"); |
e47bcddb | 128 | } |
8bcc0d86 CW |
129 | else { |
130 | foreach ($this->selectFields as $column => $alias) { | |
69aae315 | 131 | $this->query->select("$column as `$alias`"); |
e47bcddb | 132 | } |
8bcc0d86 CW |
133 | // Order by |
134 | $this->buildOrderBy(); | |
e47bcddb CW |
135 | } |
136 | ||
530c3791 | 137 | // Limit |
8bcc0d86 CW |
138 | if (!empty($this->limit) || !empty($this->offset)) { |
139 | $this->query->limit($this->limit, $this->offset); | |
e47bcddb CW |
140 | } |
141 | ||
c64f69d9 | 142 | $result_entities = []; |
e47bcddb CW |
143 | $result_dao = \CRM_Core_DAO::executeQuery($this->query->toSQL()); |
144 | ||
145 | while ($result_dao->fetch()) { | |
258c92c6 | 146 | if (in_array('count_rows', $this->select)) { |
e47bcddb CW |
147 | return (int) $result_dao->c; |
148 | } | |
c64f69d9 | 149 | $result_entities[$result_dao->id] = []; |
8bcc0d86 | 150 | foreach ($this->selectFields as $column => $alias) { |
69aae315 CW |
151 | $returnName = $alias; |
152 | $alias = str_replace('.', '_', $alias); | |
e47bcddb | 153 | if (property_exists($result_dao, $alias) && $result_dao->$alias != NULL) { |
69aae315 | 154 | $result_entities[$result_dao->id][$returnName] = $result_dao->$alias; |
e47bcddb CW |
155 | } |
156 | // Backward compatibility on fields names. | |
984f31ae CW |
157 | if ($this->isFillUniqueFields && !empty($this->apiFieldSpec[$alias]['uniqueName'])) { |
158 | $result_entities[$result_dao->id][$this->apiFieldSpec[$alias]['uniqueName']] = $result_dao->$alias; | |
e47bcddb CW |
159 | } |
160 | foreach ($this->apiFieldSpec as $returnName => $spec) { | |
161 | if (empty($result_entities[$result_dao->id][$returnName]) && !empty($result_entities[$result_dao->id][$spec['name']])) { | |
162 | $result_entities[$result_dao->id][$returnName] = $result_entities[$result_dao->id][$spec['name']]; | |
163 | } | |
164 | } | |
165 | }; | |
166 | } | |
e47bcddb CW |
167 | return $result_entities; |
168 | } | |
169 | ||
170 | /** | |
171 | * @param \CRM_Utils_SQL_Select $sqlFragment | |
4b350175 | 172 | * @return SelectQuery |
e47bcddb CW |
173 | */ |
174 | public function merge($sqlFragment) { | |
175 | $this->query->merge($sqlFragment); | |
176 | return $this; | |
177 | } | |
69aae315 CW |
178 | |
179 | /** | |
180 | * Joins onto an fk field | |
181 | * | |
182 | * Adds one or more joins to the query to make this field available for use in a clause. | |
183 | * | |
d343069c CW |
184 | * Enforces permissions at the api level and by appending the acl clause for that entity to the join. |
185 | * | |
69aae315 | 186 | * @param $fkFieldName |
2cfe873c CW |
187 | * @param $side |
188 | * | |
69aae315 CW |
189 | * @return array|null |
190 | * Returns the table and field name for adding this field to a SELECT or WHERE clause | |
d343069c | 191 | * @throws \API_Exception |
ab039e22 | 192 | * @throws \Civi\API\Exception\UnauthorizedException |
69aae315 | 193 | */ |
8bcc0d86 | 194 | protected function addFkField($fkFieldName, $side) { |
69aae315 CW |
195 | $stack = explode('.', $fkFieldName); |
196 | if (count($stack) < 2) { | |
197 | return NULL; | |
198 | } | |
6c051493 | 199 | $prev = self::MAIN_TABLE_ALIAS; |
69aae315 CW |
200 | foreach ($stack as $depth => $fieldName) { |
201 | // Setup variables then skip the first level | |
202 | if (!$depth) { | |
203 | $fk = $fieldName; | |
204 | // We only join on core fields | |
205 | // @TODO: Custom contact ref fields could be supported too | |
206 | if (!in_array($fk, $this->entityFieldNames)) { | |
207 | return NULL; | |
208 | } | |
209 | $fkField = &$this->apiFieldSpec[$fk]; | |
210 | continue; | |
211 | } | |
4f7a32d8 | 212 | // More than 4 joins deep seems excessive - DOS attack? |
5b46e216 | 213 | if ($depth > self::MAX_JOINS) { |
3924e596 | 214 | throw new UnauthorizedException("Maximum number of joins exceeded in parameter $fkFieldName"); |
4f7a32d8 | 215 | } |
466fce54 CW |
216 | $subStack = array_slice($stack, 0, $depth); |
217 | $this->getJoinInfo($fkField, $subStack); | |
2cfe873c | 218 | if (!isset($fkField['FKApiName']) || !isset($fkField['FKClassName'])) { |
ab039e22 | 219 | // Join doesn't exist - might be another param with a dot in it for some reason, we'll just ignore it. |
69aae315 CW |
220 | return NULL; |
221 | } | |
a762b380 | 222 | // Ensure we have permission to access the other api |
b53bcc5d | 223 | if (!$this->checkPermissionToJoin($fkField['FKApiName'], $subStack)) { |
ab039e22 | 224 | throw new UnauthorizedException("Authorization failed to join onto {$fkField['FKApiName']} api in parameter $fkFieldName"); |
a762b380 | 225 | } |
69aae315 CW |
226 | if (!isset($fkField['FKApiSpec'])) { |
227 | $fkField['FKApiSpec'] = \_civicrm_api_get_fields($fkField['FKApiName']); | |
228 | } | |
229 | $fieldInfo = \CRM_Utils_Array::value($fieldName, $fkField['FKApiSpec']); | |
230 | ||
9c846e15 CW |
231 | $keyColumn = \CRM_Utils_Array::value('FKKeyColumn', $fkField, 'id'); |
232 | if (!$fieldInfo || !isset($fkField['FKApiSpec'][$keyColumn])) { | |
ab039e22 | 233 | // Join doesn't exist - might be another param with a dot in it for some reason, we'll just ignore it. |
69aae315 CW |
234 | return NULL; |
235 | } | |
236 | $fkTable = \CRM_Core_DAO_AllCoreTables::getTableForClass($fkField['FKClassName']); | |
b53bcc5d | 237 | $tableAlias = implode('_to_', $subStack) . "_to_$fkTable"; |
69aae315 | 238 | |
d343069c | 239 | // Add acl condition |
2cfe873c | 240 | $joinCondition = array_merge( |
c64f69d9 | 241 | ["$prev.$fk = $tableAlias.$keyColumn"], |
2cfe873c CW |
242 | $this->getAclClause($tableAlias, \_civicrm_api3_get_BAO($fkField['FKApiName']), $subStack) |
243 | ); | |
d343069c | 244 | |
9c846e15 CW |
245 | if (!empty($fkField['FKCondition'])) { |
246 | $joinCondition[] = str_replace($fkTable, $tableAlias, $fkField['FKCondition']); | |
247 | } | |
248 | ||
2cfe873c | 249 | $this->join($side, $fkTable, $tableAlias, $joinCondition); |
69aae315 CW |
250 | |
251 | if (strpos($fieldName, 'custom_') === 0) { | |
2cfe873c | 252 | list($tableAlias, $fieldName) = $this->addCustomField($fieldInfo, $side, $tableAlias); |
69aae315 CW |
253 | } |
254 | ||
255 | // Get ready to recurse to the next level | |
256 | $fk = $fieldName; | |
257 | $fkField = &$fkField['FKApiSpec'][$fieldName]; | |
258 | $prev = $tableAlias; | |
259 | } | |
c64f69d9 | 260 | return [$tableAlias, $fieldName]; |
69aae315 CW |
261 | } |
262 | ||
466fce54 | 263 | /** |
9c846e15 | 264 | * Get join info for dynamically-joined fields (e.g. "entity_id", "option_group") |
466fce54 CW |
265 | * |
266 | * @param $fkField | |
267 | * @param $stack | |
268 | */ | |
269 | protected function getJoinInfo(&$fkField, $stack) { | |
270 | if ($fkField['name'] == 'entity_id') { | |
271 | $entityTableParam = substr(implode('.', $stack), 0, -2) . 'table'; | |
272 | $entityTable = \CRM_Utils_Array::value($entityTableParam, $this->where); | |
273 | if ($entityTable && is_string($entityTable) && \CRM_Core_DAO_AllCoreTables::getClassForTable($entityTable)) { | |
274 | $fkField['FKClassName'] = \CRM_Core_DAO_AllCoreTables::getClassForTable($entityTable); | |
275 | $fkField['FKApiName'] = \CRM_Core_DAO_AllCoreTables::getBriefName($fkField['FKClassName']); | |
276 | } | |
277 | } | |
9c846e15 CW |
278 | if (!empty($fkField['pseudoconstant']['optionGroupName'])) { |
279 | $fkField['FKClassName'] = 'CRM_Core_DAO_OptionValue'; | |
280 | $fkField['FKApiName'] = 'OptionValue'; | |
281 | $fkField['FKKeyColumn'] = 'value'; | |
282 | $fkField['FKCondition'] = "civicrm_option_value.option_group_id = (SELECT id FROM civicrm_option_group WHERE name = '{$fkField['pseudoconstant']['optionGroupName']}')"; | |
283 | } | |
466fce54 CW |
284 | } |
285 | ||
69aae315 CW |
286 | /** |
287 | * Joins onto a custom field | |
288 | * | |
289 | * Adds a join to the query to make this field available for use in a clause. | |
290 | * | |
291 | * @param array $customField | |
2cfe873c | 292 | * @param string $side |
69aae315 CW |
293 | * @param string $baseTable |
294 | * @return array | |
295 | * Returns the table and field name for adding this field to a SELECT or WHERE clause | |
296 | */ | |
8bcc0d86 | 297 | protected function addCustomField($customField, $side, $baseTable = self::MAIN_TABLE_ALIAS) { |
69aae315 CW |
298 | $tableName = $customField["table_name"]; |
299 | $columnName = $customField["column_name"]; | |
300 | $tableAlias = "{$baseTable}_to_$tableName"; | |
c64f69d9 CW |
301 | $this->join($side, $tableName, $tableAlias, ["`$tableAlias`.entity_id = `$baseTable`.id"]); |
302 | return [$tableAlias, $columnName]; | |
69aae315 CW |
303 | } |
304 | ||
305 | /** | |
306 | * Fetch a field from the getFields list | |
307 | * | |
69aae315 CW |
308 | * @param string $fieldName |
309 | * @return array|null | |
310 | */ | |
8bcc0d86 | 311 | abstract protected function getField($fieldName); |
69aae315 | 312 | |
48488ea3 | 313 | /** |
2fa03859 CW |
314 | * Perform input validation on params that use the join syntax |
315 | * | |
316 | * Arguably this should be done at the api wrapper level, but doing it here provides a bit more consistency | |
317 | * in that api permissions to perform the join are checked first. | |
48488ea3 CW |
318 | * |
319 | * @param $fieldName | |
320 | * @param $value | |
321 | * @throws \Exception | |
322 | */ | |
8bcc0d86 | 323 | protected function validateNestedInput($fieldName, &$value) { |
48488ea3 CW |
324 | $stack = explode('.', $fieldName); |
325 | $spec = $this->apiFieldSpec; | |
326 | $fieldName = array_pop($stack); | |
327 | foreach ($stack as $depth => $name) { | |
328 | $entity = $spec[$name]['FKApiName']; | |
329 | $spec = $spec[$name]['FKApiSpec']; | |
330 | } | |
c64f69d9 | 331 | $params = [$fieldName => $value]; |
2fa03859 CW |
332 | \_civicrm_api3_validate_fields($entity, 'get', $params, $spec); |
333 | $value = $params[$fieldName]; | |
48488ea3 CW |
334 | } |
335 | ||
a762b380 CW |
336 | /** |
337 | * Check permission to join onto another api entity | |
338 | * | |
339 | * @param string $entity | |
340 | * @param array $fieldStack | |
341 | * The stack of fields leading up to this join | |
342 | * @return bool | |
343 | */ | |
8bcc0d86 | 344 | protected function checkPermissionToJoin($entity, $fieldStack) { |
d343069c | 345 | if (!$this->checkPermissions) { |
a762b380 CW |
346 | return TRUE; |
347 | } | |
348 | // Build an array of params that relate to the joined entity | |
c64f69d9 | 349 | $params = [ |
a762b380 | 350 | 'version' => 3, |
c64f69d9 | 351 | 'return' => [], |
d343069c | 352 | 'check_permissions' => $this->checkPermissions, |
c64f69d9 | 353 | ]; |
a762b380 CW |
354 | $prefix = implode('.', $fieldStack) . '.'; |
355 | $len = strlen($prefix); | |
8bcc0d86 | 356 | foreach ($this->select as $key => $ret) { |
a762b380 CW |
357 | if (strpos($key, $prefix) === 0) { |
358 | $params['return'][substr($key, $len)] = $ret; | |
359 | } | |
360 | } | |
8bcc0d86 | 361 | foreach ($this->where as $key => $param) { |
a762b380 CW |
362 | if (strpos($key, $prefix) === 0) { |
363 | $params[substr($key, $len)] = $param; | |
364 | } | |
365 | } | |
366 | ||
367 | return \Civi::service('civi_api_kernel')->runAuthorize($entity, 'get', $params); | |
368 | } | |
369 | ||
188fd46b | 370 | /** |
d343069c CW |
371 | * Get acl clause for an entity |
372 | * | |
373 | * @param string $tableAlias | |
6c051493 | 374 | * @param string $baoName |
b53bcc5d | 375 | * @param array $stack |
2cfe873c | 376 | * @return array |
188fd46b | 377 | */ |
c64f69d9 | 378 | protected function getAclClause($tableAlias, $baoName, $stack = []) { |
d343069c | 379 | if (!$this->checkPermissions) { |
c64f69d9 | 380 | return []; |
d343069c | 381 | } |
b53bcc5d CW |
382 | // Prevent (most) redundant acl sub clauses if they have already been applied to the main entity. |
383 | // FIXME: Currently this only works 1 level deep, but tracking through multiple joins would increase complexity | |
384 | // and just doing it for the first join takes care of most acl clause deduping. | |
385 | if (count($stack) === 1 && in_array($stack[0], $this->aclFields)) { | |
c64f69d9 | 386 | return []; |
b53bcc5d | 387 | } |
20e41014 | 388 | $clauses = $baoName::getSelectWhereClause($tableAlias); |
6c051493 CW |
389 | if (!$stack) { |
390 | // Track field clauses added to the main entity | |
391 | $this->aclFields = array_keys($clauses); | |
b53bcc5d | 392 | } |
2cfe873c | 393 | return array_filter($clauses); |
188fd46b CW |
394 | } |
395 | ||
530c3791 CW |
396 | /** |
397 | * Orders the query by one or more fields | |
398 | * | |
530c3791 CW |
399 | * @throws \API_Exception |
400 | * @throws \Civi\API\Exception\UnauthorizedException | |
401 | */ | |
8bcc0d86 | 402 | protected function buildOrderBy() { |
8bcc0d86 | 403 | $sortParams = is_string($this->orderBy) ? explode(',', $this->orderBy) : (array) $this->orderBy; |
4c6cc364 CW |
404 | foreach ($sortParams as $index => $item) { |
405 | $item = trim($item); | |
406 | if ($item == '(1)') { | |
407 | continue; | |
408 | } | |
409 | $words = preg_split("/[\s]+/", $item); | |
530c3791 CW |
410 | if ($words) { |
411 | // Direction defaults to ASC unless DESC is specified | |
412 | $direction = strtoupper(\CRM_Utils_Array::value(1, $words, '')) == 'DESC' ? ' DESC' : ''; | |
413 | $field = $this->getField($words[0]); | |
414 | if ($field) { | |
4c6cc364 | 415 | $this->query->orderBy(self::MAIN_TABLE_ALIAS . '.' . $field['name'] . $direction, NULL, $index); |
530c3791 CW |
416 | } |
417 | elseif (strpos($words[0], '.')) { | |
2cfe873c | 418 | $join = $this->addFkField($words[0], 'LEFT'); |
530c3791 | 419 | if ($join) { |
4c6cc364 | 420 | $this->query->orderBy("`{$join[0]}`.`{$join[1]}`$direction", NULL, $index); |
530c3791 CW |
421 | } |
422 | } | |
423 | else { | |
424 | throw new \API_Exception("Unknown field specified for sort. Cannot order by '$item'"); | |
425 | } | |
426 | } | |
427 | } | |
530c3791 CW |
428 | } |
429 | ||
2cfe873c CW |
430 | /** |
431 | * @param string $side | |
432 | * @param string $tableName | |
433 | * @param string $tableAlias | |
434 | * @param array $conditions | |
435 | */ | |
436 | public function join($side, $tableName, $tableAlias, $conditions) { | |
437 | // INNER JOINs take precedence over LEFT JOINs | |
438 | if ($side != 'LEFT' || !isset($this->joins[$tableAlias])) { | |
439 | $this->joins[$tableAlias] = $side; | |
440 | $this->query->join($tableAlias, "$side JOIN `$tableName` `$tableAlias` ON " . implode(' AND ', $conditions)); | |
441 | } | |
442 | } | |
443 | ||
8bcc0d86 CW |
444 | /** |
445 | * Populate where clauses | |
446 | * | |
447 | * @throws \Civi\API\Exception\UnauthorizedException | |
448 | * @throws \Exception | |
449 | */ | |
450 | abstract protected function buildWhereClause(); | |
451 | ||
452 | /** | |
453 | * Populate $this->selectFields | |
454 | * | |
455 | * @throws \Civi\API\Exception\UnauthorizedException | |
456 | */ | |
457 | protected function buildSelectFields() { | |
458 | $return_all_fields = (empty($this->select) || !is_array($this->select)); | |
459 | $return = $return_all_fields ? $this->entityFieldNames : $this->select; | |
460 | if ($return_all_fields || in_array('custom', $this->select)) { | |
461 | foreach (array_keys($this->apiFieldSpec) as $fieldName) { | |
462 | if (strpos($fieldName, 'custom_') === 0) { | |
463 | $return[] = $fieldName; | |
464 | } | |
465 | } | |
466 | } | |
467 | ||
523c222f | 468 | // Always select the ID if the table has one. |
469 | if (array_key_exists('id', $this->apiFieldSpec)) { | |
470 | $this->selectFields[self::MAIN_TABLE_ALIAS . ".id"] = "id"; | |
471 | } | |
8bcc0d86 CW |
472 | |
473 | // core return fields | |
474 | foreach ($return as $fieldName) { | |
475 | $field = $this->getField($fieldName); | |
476 | if ($field && in_array($field['name'], $this->entityFieldNames)) { | |
477 | $this->selectFields[self::MAIN_TABLE_ALIAS . ".{$field['name']}"] = $field['name']; | |
478 | } | |
479 | elseif (strpos($fieldName, '.')) { | |
480 | $fkField = $this->addFkField($fieldName, 'LEFT'); | |
481 | if ($fkField) { | |
482 | $this->selectFields[implode('.', $fkField)] = $fieldName; | |
483 | } | |
484 | } | |
485 | elseif ($field && strpos($fieldName, 'custom_') === 0) { | |
486 | list($table_name, $column_name) = $this->addCustomField($field, 'LEFT'); | |
487 | ||
488 | if ($field['data_type'] != 'ContactReference') { | |
489 | // 'ordinary' custom field. We will select the value as custom_XX. | |
490 | $this->selectFields["$table_name.$column_name"] = $fieldName; | |
491 | } | |
492 | else { | |
493 | // contact reference custom field. The ID will be stored in custom_XX_id. | |
494 | // custom_XX will contain the sort name of the contact. | |
495 | $this->query->join("c_$fieldName", "LEFT JOIN civicrm_contact c_$fieldName ON c_$fieldName.id = `$table_name`.`$column_name`"); | |
496 | $this->selectFields["$table_name.$column_name"] = $fieldName . "_id"; | |
497 | // We will call the contact table for the join c_XX. | |
498 | $this->selectFields["c_$fieldName.sort_name"] = $fieldName; | |
499 | } | |
500 | } | |
501 | } | |
502 | } | |
503 | ||
504 | /** | |
505 | * Load entity fields | |
506 | * @return array | |
507 | */ | |
508 | abstract protected function getFields(); | |
509 | ||
e47bcddb | 510 | } |