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1<?php
2
3declare(strict_types=1);
4
5namespace Drupal\crm\Plugin\EntityReferenceSelection;
6
7use Drupal\Core\Entity\Plugin\EntityReferenceSelection\DefaultSelection;
8
9/**
10 * Filters config entities based on the referencing entity's bundle.
11 *
12 * @EntityReferenceSelection(
13 *   id = "default:crm_detail_type",
14 *   label = @Translation("Default: CRM Detail Type"),
15 *   entity_types = {"crm_detail_type"},
16 *   group = "default",
17 *   weight = 0
18 * )
19 */
20class DetailTypeSelection extends DefaultSelection {
21
22  /**
23   * {@inheritdoc}
24   */
25  public function buildEntityQuery($match = NULL, $match_operator = 'CONTAINS') {
26
27    $query = parent::buildEntityQuery($match, $match_operator);
28    /** @var \Drupal\Core\Entity\ContentEntityInterface $referencing_entity */
29    $referencing_entity = $this->configuration['entity'];
30    $entity_type_id = $referencing_entity->getEntityTypeId();
31    if ($entity_type_id !== 'crm_contact_detail') {
32      return $query;
33    }
34
35    // This assumes the referencing entity is available during form building.
36    $bundle = $referencing_entity->bundle();
37
38    $query->condition('status', TRUE);
39
40    // Case 1: Bundles is empty.
41    $empty = $query->andConditionGroup()
42      ->condition('bundles.0', NULL, 'IS NULL');
43
44    // Case 2: negate = FALSE and bundle is in bundles.
45    $match_bundle = $query->andConditionGroup()
46      ->condition('negate', FALSE)
47      ->condition('bundles.*', $bundle, 'CONTAINS');
48
49    // Case 3: negate = TRUE and bundle is in bundles.
50    // Entities excluded by bundle.
51    $not_query = parent::buildEntityQuery($match, $match_operator);
52    $not_query->condition('negate', TRUE)
53      ->condition('bundles.*', $bundle, 'CONTAINS');
54
55    $not_ids = $not_query->execute();
56
57    // The entities that are negated and do not match the bundle.
58    $ton_query = parent::buildEntityQuery($match, $match_operator);
59    $ton_query->condition('negate', TRUE)
60      ->condition('id', $not_ids, 'NOT IN');
61
62    $not_bundle = $query->andConditionGroup()
63      ->condition('id', $ton_query->execute(), 'IN');
64
65    $or = $query->orConditionGroup()
66      ->condition($empty)
67      ->condition($not_bundle)
68      ->condition($match_bundle);
69
70    $query->condition($or);
71
72    return $query;
73  }
74
75}