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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\Eav\Model\Entity\Attribute\Backend;
use Magento\Framework\Exception\LocalizedException;
/**
* Entity/Attribute/Model - attribute backend abstract
*
* @api
* @SuppressWarnings(PHPMD.NumberOfChildren)
* @since 100.0.2
*/
abstract class AbstractBackend implements \Magento\Eav\Model\Entity\Attribute\Backend\BackendInterface
{
/**
* Reference to the attribute instance
*
* @var \Magento\Eav\Model\Entity\Attribute\AbstractAttribute
*/
protected $_attribute;
/**
* PK value_id for loaded entity (for faster updates)
*
* @var integer
*/
protected $_valueId;
/**
* PK value_ids for each loaded entity
*
* @var array
*/
protected $_valueIds = [];
/**
* Table name for this attribute
*
* @var string
*/
protected $_table;
/**
* Name of the entity_id field for the value table of this attribute
*
* @var string
*/
protected $_entityIdField;
/**
* Default value for the attribute
*
* @var mixed
*/
protected $_defaultValue = null;
/**
* Set attribute instance
*
* @param \Magento\Eav\Model\Entity\Attribute\AbstractAttribute $attribute
* @return $this
* @codeCoverageIgnore
*/
public function setAttribute($attribute)
{
$this->_attribute = $attribute;
return $this;
}
/**
* Get attribute instance
*
* @return \Magento\Eav\Model\Entity\Attribute\AbstractAttribute
* @codeCoverageIgnore
*/
public function getAttribute()
{
return $this->_attribute;
}
/**
* Get backend type of the attribute
*
* @return string
* @codeCoverageIgnore
*/
public function getType()
{
return $this->getAttribute()->getBackendType();
}
/**
* Check whether the attribute is a real field in the entity table
*
* @return bool
* @codeCoverageIgnore
*/
public function isStatic()
{
return $this->getAttribute()->isStatic();
}
/**
* Get table name for the values of the attribute
*
* @return string
*/
public function getTable()
{
if (empty($this->_table)) {
if ($this->isStatic()) {
$this->_table = $this->getAttribute()->getEntityType()->getValueTablePrefix();
} elseif ($this->getAttribute()->getBackendTable()) {
$this->_table = $this->getAttribute()->getBackendTable();
} else {
$entity = $this->getAttribute()->getEntity();
$tableName = sprintf('%s_%s', $entity->getValueTablePrefix(), $this->getType());
$this->_table = $tableName;
}
}
return $this->_table;
}
/**
* Get entity_id field in the attribute values tables
*
* @return string
*/
public function getEntityIdField()
{
if (empty($this->_entityIdField)) {
if ($this->getAttribute()->getEntityIdField()) {
$this->_entityIdField = $this->getAttribute()->getEntityIdField();
} else {
$this->_entityIdField = $this->getAttribute()->getEntityType()->getValueEntityIdField();
}
}
return $this->_entityIdField;
}
/**
* Set value id
*
* @param int $valueId
* @return $this
* @codeCoverageIgnore
*/
public function setValueId($valueId)
{
$this->_valueId = $valueId;
return $this;
}
/**
* Set entity value id
*
* @param \Magento\Framework\DataObject $entity
* @param int $valueId
* @return $this
*/
public function setEntityValueId($entity, $valueId)
{
if (!$entity || !$entity->getId()) {
return $this->setValueId($valueId);
}
$this->_valueIds[$entity->getId()] = $valueId;
return $this;
}
/**
* Retrieve value id
*
* @return int
* @codeCoverageIgnore
*/
public function getValueId()
{
return $this->_valueId;
}
/**
* Get entity value id
*
* @param \Magento\Framework\DataObject $entity
* @return int
*/
public function getEntityValueId($entity)
{
if (!$entity || !$entity->getId() || !array_key_exists($entity->getId(), $this->_valueIds)) {
return $this->getValueId();
}
return $this->_valueIds[$entity->getId()];
}
/**
* Retrieve default value
*
* @return string
*/
public function getDefaultValue()
{
if ($this->_defaultValue === null) {
if ($this->getAttribute()->getDefaultValue() !== null) {
$this->_defaultValue = $this->getAttribute()->getDefaultValue();
} else {
$this->_defaultValue = "";
}
}
return $this->_defaultValue;
}
/**
* Validate object
*
* @param \Magento\Framework\DataObject $object
* @return bool
* @throws LocalizedException
* @SuppressWarnings(PHPMD.CyclomaticComplexity)
*/
public function validate($object)
{
$attribute = $this->getAttribute();
$attrCode = $attribute->getAttributeCode();
$value = $object->getData($attrCode);
if ($attribute->getIsVisible()
&& $attribute->getIsRequired()
&& $attribute->isValueEmpty($value)
&& $attribute->isValueEmpty($attribute->getDefaultValue())
) {
$label = $attribute->getFrontend()->getLabel();
throw new LocalizedException(
__('The "%1" attribute value is empty. Set the attribute and try again.', $label)
);
}
if ($attribute->getIsUnique()
&& !$attribute->getIsRequired()
&& ($value == '' || $attribute->isValueEmpty($value))
) {
return true;
}
if ($attribute->getIsUnique()) {
if (!$attribute->getEntity()->checkAttributeUniqueValue($attribute, $object)) {
$label = $attribute->getFrontend()->getLabel();
throw new LocalizedException(
__('The value of the "%1" attribute isn\'t unique. Set a unique value and try again.', $label)
);
}
}
return true;
}
/**
* After load method
*
* @param \Magento\Framework\DataObject $object
* @return $this
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
* @codeCoverageIgnore
*/
public function afterLoad($object)
{
return $this;
}
/**
* Before save method
*
* @param \Magento\Framework\DataObject $object
* @return $this
*/
public function beforeSave($object)
{
$attrCode = $this->getAttribute()->getAttributeCode();
if (!$object->hasData($attrCode) && $this->getDefaultValue() !== '') {
$object->setData($attrCode, $this->getDefaultValue());
}
return $this;
}
/**
* After save method
*
* @param \Magento\Framework\DataObject $object
* @return $this
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
* @codeCoverageIgnore
*/
public function afterSave($object)
{
return $this;
}
/**
* Before delete method
*
* @param \Magento\Framework\DataObject $object
* @return $this
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
* @codeCoverageIgnore
*/
public function beforeDelete($object)
{
return $this;
}
/**
* After delete method
*
* @param \Magento\Framework\DataObject $object
* @return $this
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
* @codeCoverageIgnore
*/
public function afterDelete($object)
{
return $this;
}
/**
* Retrieve data for update attribute
*
* @param \Magento\Framework\DataObject $object
* @return array
*/
public function getAffectedFields($object)
{
$data = [];
$data[$this->getTable()][] = [
'attribute_id' => $this->getAttribute()->getAttributeId(),
'value_id' => $this->getEntityValueId($object),
];
return $data;
}
/**
* By default attribute value is considered scalar that can be stored in a generic way {@inheritdoc}
*
* @codeCoverageIgnore
*/
public function isScalar()
{
return true;
}
}