Code Coverage |
||||||||||
Lines |
Functions and Methods |
Classes and Traits |
||||||||
| Total | |
100.00% |
70 / 70 |
|
100.00% |
7 / 7 |
CRAP | |
100.00% |
1 / 1 |
| AutocompleteFieldValueLookup | |
100.00% |
70 / 70 |
|
100.00% |
7 / 7 |
25 | |
100.00% |
1 / 1 |
| findFieldValues | |
100.00% |
26 / 26 |
|
100.00% |
1 / 1 |
5 | |||
| canLookupFieldValues | |
100.00% |
6 / 6 |
|
100.00% |
1 / 1 |
3 | |||
| resolveFieldValueLookupTarget | |
100.00% |
11 / 11 |
|
100.00% |
1 / 1 |
4 | |||
| loadFieldValueStorage | |
100.00% |
3 / 3 |
|
100.00% |
1 / 1 |
2 | |||
| fieldValueQueryOperator | |
100.00% |
1 / 1 |
|
100.00% |
1 / 1 |
2 | |||
| queryFieldValueEntityIds | |
100.00% |
9 / 9 |
|
100.00% |
1 / 1 |
1 | |||
| collectEntityFieldMatches | |
100.00% |
14 / 14 |
|
100.00% |
1 / 1 |
8 | |||
| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Drupal\name\Utility; |
| 6 | |
| 7 | use Drupal\Core\Entity\EntityStorageInterface; |
| 8 | use Drupal\Core\Entity\EntityTypeManagerInterface; |
| 9 | use Drupal\Core\Field\FieldDefinitionInterface; |
| 10 | |
| 11 | /** |
| 12 | * Queries stored name field values for autocomplete suggestions. |
| 13 | * |
| 14 | * @internal |
| 15 | */ |
| 16 | final class AutocompleteFieldValueLookup { |
| 17 | |
| 18 | /** |
| 19 | * Name field components eligible for field-data lookup. |
| 20 | * |
| 21 | * @var list<string> |
| 22 | */ |
| 23 | private const ALL_COMPONENTS = [ |
| 24 | 'given', |
| 25 | 'middle', |
| 26 | 'family', |
| 27 | 'title', |
| 28 | 'credentials', |
| 29 | 'generational', |
| 30 | ]; |
| 31 | |
| 32 | /** |
| 33 | * Finds matching stored values for a single component of a name field. |
| 34 | * |
| 35 | * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager |
| 36 | * The entity type manager. |
| 37 | * @param \Drupal\Core\Field\FieldDefinitionInterface $field |
| 38 | * The field definition. |
| 39 | * @param string $component |
| 40 | * The name field component machine name. |
| 41 | * @param string $term |
| 42 | * The search term typed by the user. |
| 43 | * @param int $limit |
| 44 | * The maximum number of unique values to return. |
| 45 | * @param string $mode |
| 46 | * The match mode. |
| 47 | * |
| 48 | * @return array<string, string> |
| 49 | * Matching values keyed by value. |
| 50 | */ |
| 51 | public static function findFieldValues(EntityTypeManagerInterface $entity_type_manager, FieldDefinitionInterface $field, string $component, string $term, int $limit, string $mode = 'starts_with'): array { |
| 52 | if (!self::canLookupFieldValues($component, $term, $limit)) { |
| 53 | return []; |
| 54 | } |
| 55 | |
| 56 | $target = self::resolveFieldValueLookupTarget($field); |
| 57 | if ($target === NULL) { |
| 58 | return []; |
| 59 | } |
| 60 | |
| 61 | $storage = self::loadFieldValueStorage($entity_type_manager, $target['entity_type_id']); |
| 62 | if ($storage === NULL) { |
| 63 | return []; |
| 64 | } |
| 65 | |
| 66 | $ids = self::queryFieldValueEntityIds( |
| 67 | $storage, |
| 68 | $target['field_name'], |
| 69 | $component, |
| 70 | $term, |
| 71 | $limit, |
| 72 | $mode, |
| 73 | ); |
| 74 | if ($ids === []) { |
| 75 | return []; |
| 76 | } |
| 77 | |
| 78 | return self::collectEntityFieldMatches( |
| 79 | $storage->loadMultiple($ids), |
| 80 | $target['field_name'], |
| 81 | $component, |
| 82 | mb_strtolower($term), |
| 83 | $limit, |
| 84 | $mode, |
| 85 | ); |
| 86 | } |
| 87 | |
| 88 | /** |
| 89 | * Whether field-value lookup can run for the given arguments. |
| 90 | */ |
| 91 | public static function canLookupFieldValues(string $component, string $term, int $limit): bool { |
| 92 | $limit_exhausted = $limit <= 0; |
| 93 | $term_empty = $term === ''; |
| 94 | $cannot_lookup = $limit_exhausted || $term_empty; |
| 95 | if ($cannot_lookup) { |
| 96 | return FALSE; |
| 97 | } |
| 98 | return in_array($component, self::ALL_COMPONENTS, TRUE); |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * Resolves entity type and field name for field-value storage queries. |
| 103 | * |
| 104 | * @return array{entity_type_id: string, field_name: string}|null |
| 105 | * Lookup target, or NULL when the field definition is incomplete. |
| 106 | */ |
| 107 | public static function resolveFieldValueLookupTarget(FieldDefinitionInterface $field): ?array { |
| 108 | $entity_type_id = $field->getTargetEntityTypeId(); |
| 109 | $field_name = $field->getName(); |
| 110 | $missing_entity_type = $entity_type_id === NULL || $entity_type_id === ''; |
| 111 | $missing_field_name = $field_name === ''; |
| 112 | $target_incomplete = $missing_entity_type || $missing_field_name; |
| 113 | if ($target_incomplete) { |
| 114 | return NULL; |
| 115 | } |
| 116 | |
| 117 | return [ |
| 118 | 'entity_type_id' => $entity_type_id, |
| 119 | 'field_name' => $field_name, |
| 120 | ]; |
| 121 | } |
| 122 | |
| 123 | /** |
| 124 | * Loads entity storage for field-value queries. |
| 125 | * |
| 126 | * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager |
| 127 | * The entity type manager. |
| 128 | * @param string $entity_type_id |
| 129 | * The entity type machine name. |
| 130 | * |
| 131 | * @return \Drupal\Core\Entity\EntityStorageInterface|null |
| 132 | * Entity storage, or NULL when lookup fails. |
| 133 | */ |
| 134 | public static function loadFieldValueStorage(EntityTypeManagerInterface $entity_type_manager, string $entity_type_id): ?EntityStorageInterface { |
| 135 | try { |
| 136 | return $entity_type_manager->getStorage($entity_type_id); |
| 137 | } |
| 138 | catch (\Exception $e) { |
| 139 | return NULL; |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | /** |
| 144 | * Maps autocomplete match mode to an entity query operator. |
| 145 | */ |
| 146 | public static function fieldValueQueryOperator(string $mode): string { |
| 147 | return $mode === 'contains' ? 'CONTAINS' : 'STARTS_WITH'; |
| 148 | } |
| 149 | |
| 150 | /** |
| 151 | * Queries entity IDs whose field component values match the search term. |
| 152 | * |
| 153 | * @return array<int|string> |
| 154 | * Matching entity IDs. |
| 155 | */ |
| 156 | public static function queryFieldValueEntityIds( |
| 157 | EntityStorageInterface $storage, |
| 158 | string $field_name, |
| 159 | string $component, |
| 160 | string $term, |
| 161 | int $limit, |
| 162 | string $mode, |
| 163 | ): array { |
| 164 | $property_path = $field_name . '.' . $component; |
| 165 | $range = max($limit * 4, $limit); |
| 166 | $operator = self::fieldValueQueryOperator($mode); |
| 167 | |
| 168 | return $storage->getQuery() |
| 169 | ->accessCheck(TRUE) |
| 170 | ->condition($property_path, $term, $operator) |
| 171 | ->sort($property_path) |
| 172 | ->range(0, $range) |
| 173 | ->execute(); |
| 174 | } |
| 175 | |
| 176 | /** |
| 177 | * Collects matching field item values from loaded entities. |
| 178 | * |
| 179 | * @param array<int|string, \Drupal\Core\Entity\FieldableEntityInterface> $entities |
| 180 | * The entities to inspect. |
| 181 | * @param string $field_name |
| 182 | * The field machine name. |
| 183 | * @param string $component |
| 184 | * The name field component machine name. |
| 185 | * @param string $needle |
| 186 | * The lowercase search term. |
| 187 | * @param int $limit |
| 188 | * The maximum number of unique matches to return. |
| 189 | * @param string $mode |
| 190 | * The match mode. |
| 191 | * |
| 192 | * @return array<string, string> |
| 193 | * Matching values keyed by value. |
| 194 | */ |
| 195 | public static function collectEntityFieldMatches( |
| 196 | array $entities, |
| 197 | string $field_name, |
| 198 | string $component, |
| 199 | string $needle, |
| 200 | int $limit, |
| 201 | string $mode, |
| 202 | ): array { |
| 203 | $matches = []; |
| 204 | foreach ($entities as $entity) { |
| 205 | if (!$entity->hasField($field_name)) { |
| 206 | continue; |
| 207 | } |
| 208 | foreach ($entity->get($field_name) as $item) { |
| 209 | $value = $item->{$component} ?? NULL; |
| 210 | $not_string = !is_string($value); |
| 211 | $is_empty = $value === ''; |
| 212 | $invalid_value = $not_string || $is_empty; |
| 213 | if ($invalid_value) { |
| 214 | continue; |
| 215 | } |
| 216 | if (!AutocompleteMatcher::stringMatches($value, $needle, $mode)) { |
| 217 | continue; |
| 218 | } |
| 219 | $matches[$value] = $value; |
| 220 | if (count($matches) >= $limit) { |
| 221 | return $matches; |
| 222 | } |
| 223 | } |
| 224 | } |
| 225 | return $matches; |
| 226 | } |
| 227 | |
| 228 | } |