function FieldUninstallValidator::validate

Overrides ModuleUninstallValidatorInterface::validate

File

core/modules/field/src/FieldUninstallValidator.php, line 52

Class

FieldUninstallValidator

Prevents uninstallation of modules providing active field storage.

Namespace

Code

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;
}