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| 1 | <?php |
| 2 | |
| 3 | namespace Drupal\crm\Plugin\Validation\Constraint; |
| 4 | |
| 5 | use Drupal\Core\DependencyInjection\ContainerInjectionInterface; |
| 6 | use Drupal\Core\Entity\EntityTypeManagerInterface; |
| 7 | use Symfony\Component\DependencyInjection\ContainerInterface; |
| 8 | use Symfony\Component\Validator\Constraint; |
| 9 | use Symfony\Component\Validator\ConstraintValidator; |
| 10 | |
| 11 | /** |
| 12 | * Validates that relationship limits are not exceeded. |
| 13 | */ |
| 14 | class RelationshipLimitConstraintValidator extends ConstraintValidator implements ContainerInjectionInterface { |
| 15 | |
| 16 | /** |
| 17 | * The entity type manager. |
| 18 | * |
| 19 | * @var \Drupal\Core\Entity\EntityTypeManagerInterface |
| 20 | */ |
| 21 | protected EntityTypeManagerInterface $entityTypeManager; |
| 22 | |
| 23 | /** |
| 24 | * Constructs a new RelationshipLimitConstraintValidator. |
| 25 | * |
| 26 | * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager |
| 27 | * The entity type manager. |
| 28 | */ |
| 29 | public function __construct(EntityTypeManagerInterface $entity_type_manager) { |
| 30 | $this->entityTypeManager = $entity_type_manager; |
| 31 | } |
| 32 | |
| 33 | /** |
| 34 | * {@inheritdoc} |
| 35 | */ |
| 36 | public static function create(ContainerInterface $container) { |
| 37 | return new static( |
| 38 | $container->get('entity_type.manager') |
| 39 | ); |
| 40 | } |
| 41 | |
| 42 | /** |
| 43 | * Validates the entity. |
| 44 | * |
| 45 | * @param \Drupal\crm\CrmRelationshipInterface $entity |
| 46 | * The entity being validated. |
| 47 | * @param \Drupal\crm\Plugin\Validation\Constraint\RelationshipLimitConstraint $constraint |
| 48 | * The constraint to validate against. |
| 49 | */ |
| 50 | public function validate($entity, Constraint $constraint) { |
| 51 | $relationship_type = $entity->get('bundle')->entity; |
| 52 | if (!$relationship_type) { |
| 53 | return; |
| 54 | } |
| 55 | |
| 56 | $limit_a = $relationship_type->getLimitA(); |
| 57 | $limit_b = $relationship_type->getLimitB(); |
| 58 | |
| 59 | // If no limits are configured, nothing to validate. |
| 60 | if ($limit_a === NULL && $limit_b === NULL) { |
| 61 | return; |
| 62 | } |
| 63 | |
| 64 | $contacts = $entity->get('contacts')->referencedEntities(); |
| 65 | $contact_a = $contacts[0] ?? NULL; |
| 66 | $contact_b = $contacts[1] ?? NULL; |
| 67 | |
| 68 | $limit_active_only = $relationship_type->isLimitActiveOnly(); |
| 69 | |
| 70 | // Check limit for Contact A. |
| 71 | if ($limit_a !== NULL && $contact_a) { |
| 72 | $count = $this->countExistingRelationships( |
| 73 | $contact_a->id(), |
| 74 | $relationship_type->id(), |
| 75 | 0, |
| 76 | $limit_active_only, |
| 77 | $entity->id() |
| 78 | ); |
| 79 | |
| 80 | if ($count >= $limit_a) { |
| 81 | $this->context->buildViolation($constraint->limitExceededMessageA) |
| 82 | ->atPath('contact_a') |
| 83 | ->setParameter('@count', $count) |
| 84 | ->setParameter('@type', $relationship_type->label()) |
| 85 | ->setParameter('@label', $relationship_type->get('label_a') ?: $relationship_type->label()) |
| 86 | ->setParameter('@limit', $limit_a) |
| 87 | ->addViolation(); |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | // Check limit for Contact B. |
| 92 | if ($limit_b !== NULL && $contact_b) { |
| 93 | $count = $this->countExistingRelationships( |
| 94 | $contact_b->id(), |
| 95 | $relationship_type->id(), |
| 96 | 1, |
| 97 | $limit_active_only, |
| 98 | $entity->id() |
| 99 | ); |
| 100 | |
| 101 | if ($count >= $limit_b) { |
| 102 | $this->context->buildViolation($constraint->limitExceededMessageB) |
| 103 | ->atPath('contact_b') |
| 104 | ->setParameter('@count', $count) |
| 105 | ->setParameter('@type', $relationship_type->label()) |
| 106 | ->setParameter('@label', $relationship_type->get('label_b') ?: $relationship_type->label()) |
| 107 | ->setParameter('@limit', $limit_b) |
| 108 | ->addViolation(); |
| 109 | } |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * Counts existing relationships for a contact in a specific position. |
| 115 | * |
| 116 | * @param int|string $contact_id |
| 117 | * The contact ID. |
| 118 | * @param string $relationship_type_id |
| 119 | * The relationship type ID. |
| 120 | * @param int $delta |
| 121 | * The position (0 for contact_a, 1 for contact_b). |
| 122 | * @param bool $active_only |
| 123 | * Whether to count only active relationships. |
| 124 | * @param int|string|null $exclude_id |
| 125 | * The relationship ID to exclude (for edits). |
| 126 | * |
| 127 | * @return int |
| 128 | * The count of existing relationships. |
| 129 | */ |
| 130 | protected function countExistingRelationships( |
| 131 | int|string $contact_id, |
| 132 | string $relationship_type_id, |
| 133 | int $delta, |
| 134 | bool $active_only, |
| 135 | int|string|null $exclude_id = NULL, |
| 136 | ): int { |
| 137 | $query = $this->entityTypeManager |
| 138 | ->getStorage('crm_relationship') |
| 139 | ->getQuery() |
| 140 | ->condition('bundle', $relationship_type_id) |
| 141 | ->condition('contacts', $contact_id) |
| 142 | ->accessCheck(FALSE); |
| 143 | |
| 144 | if ($active_only) { |
| 145 | $query->condition('status', 1); |
| 146 | } |
| 147 | |
| 148 | if ($exclude_id !== NULL) { |
| 149 | $query->condition('id', $exclude_id, '<>'); |
| 150 | } |
| 151 | |
| 152 | $relationship_ids = $query->execute(); |
| 153 | |
| 154 | if (empty($relationship_ids)) { |
| 155 | return 0; |
| 156 | } |
| 157 | |
| 158 | // Load relationships and count those where the contact is at the |
| 159 | // specified delta position. |
| 160 | $relationships = $this->entityTypeManager |
| 161 | ->getStorage('crm_relationship') |
| 162 | ->loadMultiple($relationship_ids); |
| 163 | |
| 164 | $count = 0; |
| 165 | foreach ($relationships as $relationship) { |
| 166 | $contacts = $relationship->get('contacts')->getValue(); |
| 167 | if (isset($contacts[$delta]) && (string) $contacts[$delta]['target_id'] === (string) $contact_id) { |
| 168 | $count++; |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | return $count; |
| 173 | } |
| 174 | |
| 175 | } |