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<?php |
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/** |
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* TechDivision\Import\Callbacks\ArrayValidatorCallback |
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* |
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* NOTICE OF LICENSE |
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* |
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* This source file is subject to the Open Software License (OSL 3.0) |
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* that is available through the world-wide-web at this URL: |
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* http://opensource.org/licenses/osl-3.0.php |
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* |
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* PHP version 5 |
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* |
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* @author Tim Wagner <[email protected]> |
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* @copyright 2019 TechDivision GmbH <[email protected]> |
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0) |
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* @link https://github.com/techdivision/import |
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* @link http://www.techdivision.com |
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*/ |
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namespace TechDivision\Import\Callbacks; |
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use TechDivision\Import\Loaders\LoaderInterface; |
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/** |
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* Array validator callback implementation. |
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* |
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* @author Tim Wagner <[email protected]> |
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* @copyright 2019 TechDivision GmbH <[email protected]> |
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* @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0) |
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* @link https://github.com/techdivision/import |
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* @link http://www.techdivision.com |
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*/ |
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class ArrayValidatorCallback extends AbstractValidatorCallback |
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{ |
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/** |
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* The flag to query whether or not the value can be empty. |
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* |
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* @var boolean |
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*/ |
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protected $nullable = false; |
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/** |
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* Initializes the callback with the loader instance. |
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* |
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* @param \TechDivision\Import\Loaders\LoaderInterface $loader The loader instance to load the validations with |
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* @param boolean $nullable The flag to decide whether or not the value can be empty |
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*/ |
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public function __construct(LoaderInterface $loader, $nullable = false) |
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{ |
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// pass the loader to the parent instance |
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parent::__construct($loader); |
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// initialize the flag with the passed value |
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$this->nullable = $nullable; |
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} |
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/** |
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* Will be invoked by a observer it has been registered for. |
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* |
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* @param string|null $attributeCode The code of the attribute that has to be validated |
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* @param string|null $attributeValue The attribute value to be validated |
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* |
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* @return mixed The modified value |
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*/ |
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public function handle($attributeCode = null, $attributeValue = null) |
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{ |
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// the validations for the attribute with the given code |
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$validations = $this->getValidations($attributeCode); |
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// if the passed value is in the array, return immediately |
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if (in_array($attributeValue, $validations) || $this->isNullable($attributeValue)) { |
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return; |
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} |
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// throw an exception if NO allowed values have been configured |
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if (sizeof($validations) === 0) { |
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throw new \InvalidArgumentException( |
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sprintf('Missing configuration value for custom validation of attribute "%s"', $attributeCode) |
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); |
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} |
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// throw an exception if the value is NOT in the array |
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throw new \InvalidArgumentException( |
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sprintf( |
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'Found invalid value "%s" for column "%s" (must be one of: "%s")', |
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$attributeValue, |
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$attributeCode, |
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implode(', ', $validations) |
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) |
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); |
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} |
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/** |
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* Query whether or not the passed value IS empty and empty values are allowed. |
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* |
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* @param string $attributeValue The attribute value to query for |
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* |
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* @return boolean TRUE if empty values are allowed and the passed value IS empty |
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*/ |
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protected function isNullable($attributeValue) |
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{ |
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return $this->nullable && ($attributeValue === '' || $attributeValue === null); |
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} |
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} |
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techdivision /
import
