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1 <?php
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2
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3 namespace Drupal\field;
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4
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5 use Drupal\Core\Cache\MemoryCache\MemoryCacheInterface;
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6 use Drupal\Core\Config\Config;
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7 use Drupal\Core\Entity\EntityManagerInterface;
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8 use Drupal\Core\Entity\EntityTypeInterface;
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9 use Drupal\Core\Field\DeletedFieldsRepositoryInterface;
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10 use Drupal\Core\Field\FieldConfigStorageBase;
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11 use Drupal\Core\Field\FieldTypePluginManagerInterface;
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12 use Drupal\Core\Language\LanguageManagerInterface;
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13 use Symfony\Component\DependencyInjection\ContainerInterface;
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14 use Drupal\Core\Config\ConfigFactoryInterface;
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15 use Drupal\Component\Uuid\UuidInterface;
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16
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17 /**
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18 * Storage handler for field config.
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19 */
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20 class FieldConfigStorage extends FieldConfigStorageBase {
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21
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22 /**
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23 * The entity manager.
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24 *
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25 * @var \Drupal\Core\Entity\EntityManagerInterface
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26 */
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27 protected $entityManager;
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28
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29 /**
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30 * The field type plugin manager.
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31 *
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32 * @var \Drupal\Core\Field\FieldTypePluginManagerInterface
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33 */
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34 protected $fieldTypeManager;
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35
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36 /**
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37 * The deleted fields repository.
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38 *
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39 * @var \Drupal\Core\Field\DeletedFieldsRepositoryInterface
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40 */
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41 protected $deletedFieldsRepository;
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42
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43 /**
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44 * Constructs a FieldConfigStorage object.
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45 *
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46 * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
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47 * The entity type definition.
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48 * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
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49 * The config factory service.
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50 * @param \Drupal\Component\Uuid\UuidInterface $uuid_service
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51 * The UUID service.
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52 * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
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53 * The language manager.
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54 * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
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55 * The entity manager.
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56 * @param \Drupal\Core\Field\FieldTypePluginManagerInterface $field_type_manager
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57 * The field type plugin manager.
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58 * @param \Drupal\Core\Field\DeletedFieldsRepositoryInterface $deleted_fields_repository
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59 * The deleted fields repository.
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60 * @param \Drupal\Core\Cache\MemoryCache\MemoryCacheInterface $memory_cache
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61 * The memory cache.
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62 */
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63 public function __construct(EntityTypeInterface $entity_type, ConfigFactoryInterface $config_factory, UuidInterface $uuid_service, LanguageManagerInterface $language_manager, EntityManagerInterface $entity_manager, FieldTypePluginManagerInterface $field_type_manager, DeletedFieldsRepositoryInterface $deleted_fields_repository, MemoryCacheInterface $memory_cache) {
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64 parent::__construct($entity_type, $config_factory, $uuid_service, $language_manager, $memory_cache);
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65 $this->entityManager = $entity_manager;
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66 $this->fieldTypeManager = $field_type_manager;
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67 $this->deletedFieldsRepository = $deleted_fields_repository;
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68 }
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69
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70 /**
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71 * {@inheritdoc}
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72 */
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73 public static function createInstance(ContainerInterface $container, EntityTypeInterface $entity_type) {
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74 return new static(
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75 $entity_type,
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76 $container->get('config.factory'),
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77 $container->get('uuid'),
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78 $container->get('language_manager'),
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79 $container->get('entity.manager'),
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80 $container->get('plugin.manager.field.field_type'),
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81 $container->get('entity_field.deleted_fields_repository'),
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82 $container->get('entity.memory_cache')
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83 );
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84 }
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85
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86 /**
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87 * {@inheritdoc}
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88 */
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89 public function importDelete($name, Config $new_config, Config $old_config) {
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90 // If the field storage has been deleted in the same import, the field will
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91 // be deleted by then, and there is nothing left to do. Just return TRUE so
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92 // that the file does not get written to active store.
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93 if (!$old_config->get()) {
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94 return TRUE;
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95 }
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96 return parent::importDelete($name, $new_config, $old_config);
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97 }
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98
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99 /**
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100 * {@inheritdoc}
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101 */
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102 public function loadByProperties(array $conditions = []) {
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103 // Include deleted fields if specified in the $conditions parameters.
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104 $include_deleted = isset($conditions['include_deleted']) ? $conditions['include_deleted'] : FALSE;
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105 unset($conditions['include_deleted']);
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106
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107 $fields = [];
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108
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109 // Get fields stored in configuration. If we are explicitly looking for
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110 // deleted fields only, this can be skipped, because they will be
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111 // retrieved from the deleted fields repository below.
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112 if (empty($conditions['deleted'])) {
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113 if (isset($conditions['entity_type']) && isset($conditions['bundle']) && isset($conditions['field_name'])) {
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114 // Optimize for the most frequent case where we do have a specific ID.
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115 $id = $conditions['entity_type'] . '.' . $conditions['bundle'] . '.' . $conditions['field_name'];
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116 $fields = $this->loadMultiple([$id]);
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117 }
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118 else {
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119 // No specific ID, we need to examine all existing fields.
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120 $fields = $this->loadMultiple();
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121 }
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122 }
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123
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124 // Merge deleted fields from the deleted fields repository if needed.
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125 if ($include_deleted || !empty($conditions['deleted'])) {
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126 $deleted_field_definitions = $this->deletedFieldsRepository->getFieldDefinitions();
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127 foreach ($deleted_field_definitions as $id => $field_definition) {
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128 if ($field_definition instanceof FieldConfigInterface) {
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129 $fields[$id] = $field_definition;
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130 }
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131 }
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132 }
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133
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134 // Collect matching fields.
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135 $matching_fields = [];
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136 foreach ($fields as $field) {
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137 // Some conditions are checked against the field storage.
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138 $field_storage = $field->getFieldStorageDefinition();
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139
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140 // Only keep the field if it matches all conditions.
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141 foreach ($conditions as $key => $value) {
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142 // Extract the actual value against which the condition is checked.
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143 switch ($key) {
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144 case 'field_name':
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145 $checked_value = $field_storage->getName();
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146 break;
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147
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148 case 'field_id':
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149 case 'field_storage_uuid':
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150 $checked_value = $field_storage->uuid();
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151 break;
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152
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153 case 'uuid';
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154 $checked_value = $field->uuid();
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155 break;
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156
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157 case 'deleted';
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158 $checked_value = $field->isDeleted();
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159 break;
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160
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161 default:
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162 $checked_value = $field->get($key);
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163 break;
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164 }
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165
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166 // Skip to the next field as soon as one condition does not match.
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167 if ($checked_value != $value) {
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168 continue 2;
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169 }
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170 }
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171
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172 // When returning deleted fields, key the results by UUID since they
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173 // can include several fields with the same ID.
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174 $key = $include_deleted ? $field->uuid() : $field->id();
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175 $matching_fields[$key] = $field;
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176 }
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177
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178 return $matching_fields;
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179 }
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180
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181 }
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