TermStorage.php
Same filename in other branches
Namespace
Drupal\taxonomyFile
-
core/
modules/ taxonomy/ src/ TermStorage.php
View source
<?php
namespace Drupal\taxonomy;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\Sql\SqlContentEntityStorage;
use Drupal\Core\Entity\Sql\TableMappingInterface;
/**
* Defines a Controller class for taxonomy terms.
*/
class TermStorage extends SqlContentEntityStorage implements TermStorageInterface {
/**
* Array of term parents keyed by vocabulary ID and child term ID.
*
* @var array
*/
protected $treeParents = [];
/**
* Array of term ancestors keyed by vocabulary ID and parent term ID.
*
* @var array
*/
protected $treeChildren = [];
/**
* Array of terms in a tree keyed by vocabulary ID and term ID.
*
* @var array
*/
protected $treeTerms = [];
/**
* Array of loaded trees keyed by a cache id matching tree arguments.
*
* @var array
*/
protected $trees = [];
/**
* Term ancestry keyed by ancestor term ID, keyed by term ID.
*
* @var \Drupal\taxonomy\TermInterface[][]
*/
protected $ancestors;
/**
* The type of hierarchy allowed within a vocabulary.
*
* Possible values:
* - VocabularyInterface::HIERARCHY_DISABLED: No parents.
* - VocabularyInterface::HIERARCHY_SINGLE: Single parent.
* - VocabularyInterface::HIERARCHY_MULTIPLE: Multiple parents.
*
* @var int[]
* An array of one the possible values above, keyed by vocabulary ID.
*/
protected $vocabularyHierarchyType;
/**
* {@inheritdoc}
*
* @param array $values
* An array of values to set, keyed by property name. A value for the
* vocabulary ID ('vid') is required.
*/
public function create(array $values = []) {
// Save new terms with no parents by default.
if (empty($values['parent'])) {
$values['parent'] = [
0,
];
}
$entity = parent::create($values);
return $entity;
}
/**
* {@inheritdoc}
*/
public function resetCache(?array $ids = NULL) {
$this->ancestors = [];
$this->treeChildren = [];
$this->treeParents = [];
$this->treeTerms = [];
$this->trees = [];
$this->vocabularyHierarchyType = [];
parent::resetCache($ids);
}
/**
* {@inheritdoc}
*/
public function deleteTermHierarchy($tids) {
@trigger_error(__METHOD__ . '() is deprecated in drupal:10.1.0 and is removed from drupal:11.0.0. It is a no-op since 8.6.0. Parent references are automatically cleared when deleting a taxonomy term. See https://www.drupal.org/node/2936675', E_USER_DEPRECATED);
}
/**
* {@inheritdoc}
*/
public function updateTermHierarchy(EntityInterface $term) {
@trigger_error(__METHOD__ . '() is deprecated in drupal:10.1.0 and is removed from drupal:11.0.0. It is a no-op since 8.6.0. Parent references are automatically updated when updating a taxonomy term. See https://www.drupal.org/node/2936675', E_USER_DEPRECATED);
}
/**
* {@inheritdoc}
*/
public function loadParents($tid) {
$terms = [];
/** @var \Drupal\taxonomy\TermInterface $term */
if ($tid && ($term = $this->load($tid))) {
foreach ($this->getParents($term) as $id => $parent) {
// This method currently doesn't return the <root> parent.
// @see https://www.drupal.org/node/2019905
if (!empty($id)) {
$terms[$id] = $parent;
}
}
}
return $terms;
}
/**
* Returns a list of parents of this term.
*
* @return \Drupal\taxonomy\TermInterface[]
* The parent taxonomy term entities keyed by term ID. If this term has a
* <root> parent, that item is keyed with 0 and will have NULL as value.
*
* @internal
* @todo Refactor away when TreeInterface is introduced.
*/
protected function getParents(TermInterface $term) {
$parents = $ids = [];
// Cannot use $this->get('parent')->referencedEntities() here because that
// strips out the '0' reference.
foreach ($term->get('parent') as $item) {
if ($item->target_id == 0) {
// The <root> parent.
$parents[0] = NULL;
continue;
}
$ids[] = $item->target_id;
}
// @todo Better way to do this? AND handle the NULL/0 parent?
// Querying the terms again so that the same access checks are run when
// getParents() is called as in Drupal version prior to 8.3.
$loaded_parents = [];
if ($ids) {
$query = \Drupal::entityQuery('taxonomy_term')->accessCheck(TRUE)
->condition('tid', $ids, 'IN');
$loaded_parents = static::loadMultiple($query->execute());
}
return $parents + $loaded_parents;
}
/**
* {@inheritdoc}
*/
public function loadAllParents($tid) {
/** @var \Drupal\taxonomy\TermInterface $term */
return !empty($tid) && ($term = $this->load($tid)) ? $this->getAncestors($term) : [];
}
/**
* Returns all ancestors of this term.
*
* @return \Drupal\taxonomy\TermInterface[]
* A list of ancestor taxonomy term entities keyed by term ID.
*
* @internal
* @todo Refactor away when TreeInterface is introduced.
*/
protected function getAncestors(TermInterface $term) {
if (!isset($this->ancestors[$term->id()])) {
$this->ancestors[$term->id()] = [
$term->id() => $term,
];
$search[] = $term->id();
while ($tid = array_shift($search)) {
foreach ($this->getParents(static::load($tid)) as $id => $parent) {
if ($parent && !isset($this->ancestors[$term->id()][$id])) {
$this->ancestors[$term->id()][$id] = $parent;
$search[] = $id;
}
}
}
}
return $this->ancestors[$term->id()];
}
/**
* {@inheritdoc}
*/
public function loadChildren($tid, $vid = NULL) {
/** @var \Drupal\taxonomy\TermInterface $term */
return !empty($tid) && ($term = $this->load($tid)) ? $this->getChildren($term) : [];
}
/**
* Returns all children terms of this term.
*
* @return \Drupal\taxonomy\TermInterface[]
* A list of children taxonomy term entities keyed by term ID.
*
* @internal
* @todo Refactor away when TreeInterface is introduced.
*/
public function getChildren(TermInterface $term) {
$query = \Drupal::entityQuery('taxonomy_term')->accessCheck(TRUE)
->condition('parent', $term->id());
return static::loadMultiple($query->execute());
}
/**
* {@inheritdoc}
*/
public function loadTree($vid, $parent = 0, $max_depth = NULL, $load_entities = FALSE) {
$cache_key = implode(':', func_get_args());
if (!isset($this->trees[$cache_key])) {
// We cache trees, so it's not CPU-intensive to call on a term and its
// children, too.
if (!isset($this->treeChildren[$vid])) {
$this->treeChildren[$vid] = [];
$this->treeParents[$vid] = [];
$this->treeTerms[$vid] = [];
$query = $this->database
->select($this->getDataTable(), 't');
$query->join('taxonomy_term__parent', 'p', '[t].[tid] = [p].[entity_id]');
$query->addExpression('[parent_target_id]', 'parent');
$result = $query->addTag('taxonomy_term_access')
->fields('t')
->condition('t.vid', $vid)
->condition('t.default_langcode', 1)
->orderBy('t.weight')
->orderBy('t.name')
->execute();
foreach ($result as $term) {
$this->treeChildren[$vid][$term->parent][] = $term->tid;
$this->treeParents[$vid][$term->tid][] = $term->parent;
$this->treeTerms[$vid][$term->tid] = $term;
}
}
// Load full entities, if necessary. The entity controller statically
// caches the results.
$term_entities = [];
if ($load_entities) {
$term_entities = $this->loadMultiple(array_keys($this->treeTerms[$vid]));
}
$max_depth = !isset($max_depth) ? count($this->treeChildren[$vid]) : $max_depth;
$tree = [];
// Keeps track of the parents we have to process, the last entry is used
// for the next processing step.
$process_parents = [];
$process_parents[] = $parent;
// Loops over the parent terms and adds its children to the tree array.
// Uses a loop instead of a recursion, because it's more efficient.
while (count($process_parents)) {
$parent = array_pop($process_parents);
// The number of parents determines the current depth.
$depth = count($process_parents);
if ($max_depth > $depth && !empty($this->treeChildren[$vid][$parent])) {
$has_children = FALSE;
$child = current($this->treeChildren[$vid][$parent]);
do {
if (empty($child)) {
break;
}
$term = $load_entities ? $term_entities[$child] : $this->treeTerms[$vid][$child];
if (isset($this->treeParents[$vid][$load_entities ? $term->id() : $term->tid])) {
// Clone the term so that the depth attribute remains correct
// in the event of multiple parents.
$term = clone $term;
}
$term->depth = $depth;
if (!$load_entities) {
unset($term->parent);
}
$tid = $load_entities ? $term->id() : $term->tid;
$term->parents = $this->treeParents[$vid][$tid];
$tree[] = $term;
if (!empty($this->treeChildren[$vid][$tid])) {
$has_children = TRUE;
// We have to continue with this parent later.
$process_parents[] = $parent;
// Use the current term as parent for the next iteration.
$process_parents[] = $tid;
// Reset pointers for child lists because we step in there more
// often with multi parents.
reset($this->treeChildren[$vid][$tid]);
// Move pointer so that we get the correct term the next time.
next($this->treeChildren[$vid][$parent]);
break;
}
} while ($child = next($this->treeChildren[$vid][$parent]));
if (!$has_children) {
// We processed all terms in this hierarchy-level, reset pointer
// so that this function works the next time it gets called.
reset($this->treeChildren[$vid][$parent]);
}
}
}
$this->trees[$cache_key] = $tree;
}
return $this->trees[$cache_key];
}
/**
* {@inheritdoc}
*/
public function nodeCount($vid) {
$query = $this->database
->select('taxonomy_index', 'ti');
$query->addExpression('COUNT(DISTINCT [ti].[nid])');
$query->leftJoin($this->getBaseTable(), 'td', '[ti].[tid] = [td].[tid]');
$query->condition('td.vid', $vid);
$query->addTag('vocabulary_node_count');
return $query->execute()
->fetchField();
}
/**
* {@inheritdoc}
*/
public function resetWeights($vid) {
$this->database
->update($this->getDataTable())
->fields([
'weight' => 0,
])
->condition('vid', $vid)
->execute();
}
/**
* {@inheritdoc}
*/
public function getNodeTerms(array $nids, array $vids = [], $langcode = NULL) {
$query = $this->database
->select($this->getDataTable(), 'td');
$query->innerJoin('taxonomy_index', 'tn', '[td].[tid] = [tn].[tid]');
$query->fields('td', [
'tid',
]);
$query->addField('tn', 'nid', 'node_nid');
$query->orderby('td.weight');
$query->orderby('td.name');
$query->condition('tn.nid', $nids, 'IN');
$query->addTag('taxonomy_term_access');
if (!empty($vids)) {
$query->condition('td.vid', $vids, 'IN');
}
if (!empty($langcode)) {
$query->condition('td.langcode', $langcode);
}
$results = [];
$all_tids = [];
foreach ($query->execute() as $term_record) {
$results[$term_record->node_nid][] = $term_record->tid;
$all_tids[] = $term_record->tid;
}
$all_terms = $this->loadMultiple($all_tids);
$terms = [];
foreach ($results as $nid => $tids) {
foreach ($tids as $tid) {
$terms[$nid][$tid] = $all_terms[$tid];
}
}
return $terms;
}
/**
* {@inheritdoc}
*/
public function getTermIdsWithPendingRevisions() {
$table_mapping = $this->getTableMapping();
$id_field = $table_mapping->getColumnNames($this->entityType
->getKey('id'))['value'];
$revision_field = $table_mapping->getColumnNames($this->entityType
->getKey('revision'))['value'];
$rta_field = $table_mapping->getColumnNames($this->entityType
->getKey('revision_translation_affected'))['value'];
$langcode_field = $table_mapping->getColumnNames($this->entityType
->getKey('langcode'))['value'];
$revision_default_field = $table_mapping->getColumnNames($this->entityType
->getRevisionMetadataKey('revision_default'))['value'];
$query = $this->database
->select($this->getRevisionDataTable(), 'tfr');
$query->fields('tfr', [
$id_field,
]);
$query->addExpression("MAX([tfr].[{$revision_field}])", $revision_field);
$query->join($this->getRevisionTable(), 'tr', "[tfr].[{$revision_field}] = [tr].[{$revision_field}] AND [tr].[{$revision_default_field}] = 0");
$inner_select = $this->database
->select($this->getRevisionDataTable(), 't');
$inner_select->condition("t.{$rta_field}", '1');
$inner_select->fields('t', [
$id_field,
$langcode_field,
]);
$inner_select->addExpression("MAX([t].[{$revision_field}])", $revision_field);
$inner_select->groupBy("t.{$id_field}")
->groupBy("t.{$langcode_field}");
$query->join($inner_select, 'mr', "[tfr].[{$revision_field}] = [mr].[{$revision_field}] AND [tfr].[{$langcode_field}] = [mr].[{$langcode_field}]");
$query->groupBy("tfr.{$id_field}");
return $query->execute()
->fetchAllKeyed(1, 0);
}
/**
* {@inheritdoc}
*/
public function getVocabularyHierarchyType($vid) {
// Return early if we already computed this value.
if (isset($this->vocabularyHierarchyType[$vid])) {
return $this->vocabularyHierarchyType[$vid];
}
$parent_field_storage = $this->entityFieldManager
->getFieldStorageDefinitions($this->entityTypeId)['parent'];
$table_mapping = $this->getTableMapping();
$target_id_column = $table_mapping->getFieldColumnName($parent_field_storage, 'target_id');
$delta_column = $table_mapping->getFieldColumnName($parent_field_storage, TableMappingInterface::DELTA);
$query = $this->database
->select($table_mapping->getFieldTableName('parent'), 'p');
$query->addExpression("MAX([{$target_id_column}])", 'max_parent_id');
$query->addExpression("MAX([{$delta_column}])", 'max_delta');
$query->condition('bundle', $vid);
$result = $query->execute()
->fetchAll();
// If all the terms have the same parent, the parent can only be root (0).
if ((int) $result[0]->max_parent_id === 0) {
$this->vocabularyHierarchyType[$vid] = VocabularyInterface::HIERARCHY_DISABLED;
}
elseif ((int) $result[0]->max_delta === 0) {
$this->vocabularyHierarchyType[$vid] = VocabularyInterface::HIERARCHY_SINGLE;
}
else {
$this->vocabularyHierarchyType[$vid] = VocabularyInterface::HIERARCHY_MULTIPLE;
}
return $this->vocabularyHierarchyType[$vid];
}
/**
* {@inheritdoc}
*/
public function __sleep() {
/** @var string[] $vars */
$vars = parent::__sleep();
// Do not serialize static cache.
unset($vars['ancestors'], $vars['treeChildren'], $vars['treeParents'], $vars['treeTerms'], $vars['trees'], $vars['vocabularyHierarchyType']);
return $vars;
}
/**
* {@inheritdoc}
*/
public function __wakeup() {
parent::__wakeup();
// Initialize static caches.
$this->ancestors = [];
$this->treeChildren = [];
$this->treeParents = [];
$this->treeTerms = [];
$this->trees = [];
$this->vocabularyHierarchyType = [];
}
}
Classes
Title | Deprecated | Summary |
---|---|---|
TermStorage | Defines a Controller class for taxonomy terms. |
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