function TaxonomyIndexTidDepth::query
Same name in other branches
- 9 core/modules/taxonomy/src/Plugin/views/filter/TaxonomyIndexTidDepth.php \Drupal\taxonomy\Plugin\views\filter\TaxonomyIndexTidDepth::query()
- 10 core/modules/taxonomy/src/Plugin/views/filter/TaxonomyIndexTidDepth.php \Drupal\taxonomy\Plugin\views\filter\TaxonomyIndexTidDepth::query()
- 11.x core/modules/taxonomy/src/Plugin/views/filter/TaxonomyIndexTidDepth.php \Drupal\taxonomy\Plugin\views\filter\TaxonomyIndexTidDepth::query()
Overrides InOperator::query
File
-
core/
modules/ taxonomy/ src/ Plugin/ views/ filter/ TaxonomyIndexTidDepth.php, line 46
Class
- TaxonomyIndexTidDepth
- Filter handler for taxonomy terms with depth.
Namespace
Drupal\taxonomy\Plugin\views\filterCode
public function query() {
// If no filter values are present, then do nothing.
if (count($this->value) == 0) {
return;
}
elseif (count($this->value) == 1) {
// Sometimes $this->value is an array with a single element so convert it.
if (is_array($this->value)) {
$this->value = current($this->value);
}
$operator = '=';
}
else {
$operator = 'IN';
}
// The normal use of ensureMyTable() here breaks Views.
// So instead we trick the filter into using the alias of the base table.
// See https://www.drupal.org/node/271833.
// If a relationship is set, we must use the alias it provides.
if (!empty($this->relationship)) {
$this->tableAlias = $this->relationship;
}
else {
$this->tableAlias = $this->query
->ensureTable($this->view->storage
->get('base_table'));
}
// Now build the subqueries.
$subquery = Database::getConnection()->select('taxonomy_index', 'tn');
$subquery->addField('tn', 'nid');
$where = (new Condition('OR'))->condition('tn.tid', $this->value, $operator);
$last = "tn";
if ($this->options['depth'] > 0) {
$subquery->leftJoin('taxonomy_term__parent', 'th', "th.entity_id = tn.tid");
$last = "th";
foreach (range(1, abs($this->options['depth'])) as $count) {
$subquery->leftJoin('taxonomy_term__parent', "th{$count}", "{$last}.parent_target_id = th{$count}.entity_id");
$where->condition("th{$count}.entity_id", $this->value, $operator);
$last = "th{$count}";
}
}
elseif ($this->options['depth'] < 0) {
foreach (range(1, abs($this->options['depth'])) as $count) {
$field = $count == 1 ? 'tid' : 'entity_id';
$subquery->leftJoin('taxonomy_term__parent', "th{$count}", "{$last}.{$field} = th{$count}.parent_target_id");
$where->condition("th{$count}.entity_id", $this->value, $operator);
$last = "th{$count}";
}
}
$subquery->condition($where);
$this->query
->addWhere($this->options['group'], "{$this->tableAlias}.{$this->realField}", $subquery, 'IN');
}
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