/**
* Restore old attribute value
*
* @param \Magento\Framework\Object $object
* @param mixed $oldAttrValue
* @return void
*/
protected function _restoreOldAttrValue($object, $oldAttrValue)
{
$attrCode = $this->getAttribute();
if (is_null($oldAttrValue)) {
$object->unsetData($attrCode);
} else {
$object->setData($attrCode, $oldAttrValue);
}
}
/**
* Try to unserialize the attribute value
*
* @param \Magento\Framework\Object $object
* @return $this
*/
protected function _unserialize(\Magento\Framework\Object $object)
{
$attrCode = $this->getAttribute()->getAttributeCode();
if ($object->getData($attrCode)) {
try {
$unserialized = unserialize($object->getData($attrCode));
$object->setData($attrCode, $unserialized);
} catch (\Exception $e) {
$object->unsetData($attrCode);
}
}
return $this;
}
/**
* Tests \Magento\Framework\Object->unsetData()
*/
public function testUnsetData()
{
$data = ['key1' => 'value1', 'key2' => 'value2', 'key3' => 3, 'key4' => 4];
$this->_object->setData($data);
$this->_object->unsetData('key1');
unset($data['key1']);
$this->assertEquals($data, $this->_object->getData());
$this->_object->unsetData(['key2', 'key3']);
unset($data['key2']);
unset($data['key3']);
$this->assertEquals($data, $this->_object->getData());
$this->_object->unsetData();
$this->assertEquals([], $this->_object->getData());
}
/**
* Serialize specified field in an object
*
* @param \Magento\Framework\Object $object
* @param string $field
* @param mixed $defaultValue
* @param bool $unsetEmpty
* @return $this
*/
protected function _serializeField(\Magento\Framework\Object $object, $field, $defaultValue = null, $unsetEmpty = false)
{
$value = $object->getData($field);
if (empty($value)) {
if ($unsetEmpty) {
$object->unsetData($field);
} else {
if (is_object($defaultValue) || is_array($defaultValue)) {
$defaultValue = serialize($defaultValue);
}
$object->setData($field, $defaultValue);
}
} elseif (is_array($value) || is_object($value)) {
$object->setData($field, serialize($value));
}
return $this;
}
