drupal/core/modules/field/src/FieldUninstallValidator.php

102 lines
3.4 KiB
PHP

<?php
namespace Drupal\field;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Extension\ModuleUninstallValidatorInterface;
use Drupal\Core\Field\FieldTypePluginManagerInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\Core\StringTranslation\TranslationInterface;
/**
* Prevents uninstallation of modules providing active field storage.
*/
class FieldUninstallValidator implements ModuleUninstallValidatorInterface {
use StringTranslationTrait;
/**
* The field storage config storage.
*
* @var \Drupal\Core\Config\Entity\ConfigEntityStorageInterface
*/
protected $fieldStorageConfigStorage;
/**
* The field type plugin manager.
*
* @var \Drupal\Core\Field\FieldTypePluginManagerInterface
*/
protected $fieldTypeManager;
/**
* Constructs a new FieldUninstallValidator.
*
* @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
* The entity type manager.
* @param \Drupal\Core\StringTranslation\TranslationInterface $string_translation
* The string translation service.
* @param \Drupal\Core\Field\FieldTypePluginManagerInterface $field_type_manager
* The field type plugin manager.
*/
public function __construct(EntityTypeManagerInterface $entity_type_manager, TranslationInterface $string_translation, FieldTypePluginManagerInterface $field_type_manager) {
$this->fieldStorageConfigStorage = $entity_type_manager->getStorage('field_storage_config');
$this->stringTranslation = $string_translation;
$this->fieldTypeManager = $field_type_manager;
}
/**
* {@inheritdoc}
*/
public function validate($module) {
$reasons = [];
if ($field_storages = $this->getFieldStoragesByModule($module)) {
// Provide an explanation message (only mention pending deletions if there
// remain no actual, non-deleted fields.)
$fields_in_use = [];
foreach ($field_storages as $field_storage) {
if (!$field_storage->isDeleted()) {
$fields_in_use[$field_storage->getType()][] = $field_storage->getLabel();
}
}
if (!empty($fields_in_use)) {
foreach ($fields_in_use as $field_type => $field_storages) {
$field_type_label = $this->getFieldTypeLabel($field_type);
$reasons[] = $this->formatPlural(count($fields_in_use[$field_type]), 'The %field_type_label field type is used in the following field: @fields', 'The %field_type_label field type is used in the following fields: @fields', ['%field_type_label' => $field_type_label, '@fields' => implode(', ', $field_storages)]);
}
}
else {
$reasons[] = $this->t('Fields pending deletion');
}
}
return $reasons;
}
/**
* Returns all field storages for a specified module.
*
* @param string $module
* The module to filter field storages by.
*
* @return \Drupal\field\FieldStorageConfigInterface[]
* An array of field storages for a specified module.
*/
protected function getFieldStoragesByModule($module) {
return $this->fieldStorageConfigStorage->loadByProperties(['module' => $module, 'include_deleted' => TRUE]);
}
/**
* Returns the label for a specified field type.
*
* @param string $field_type
* The field type.
*
* @return string
* The field type label.
*/
protected function getFieldTypeLabel($field_type) {
return $this->fieldTypeManager->getDefinitions()[$field_type]['label'];
}
}