How does \Magento\Sales\Model\ResourceModel\Attribute::saveAttribute() work?

dmitry_fedyuk · April 28, 2016, 7:37pm

Context: How does \Magento\Sales\Model\ResourceModel\Order\Handler\Address::process() work?

magento/magento2/blob/958164/app/code/Magento/Sales/Model/ResourceModel/Attribute.php#L75-L83


/**
 * Perform actions after object save
 *
 * @param AbstractModel $object
 * @param string $attribute
 * @return $this
 * @throws \Exception
 */
public function saveAttribute(AbstractModel $object, $attribute)

github.com

magento/magento2/blob/958164/app/code/Magento/Sales/Model/ResourceModel/Attribute.php#L85-L96


if ($attribute instanceof AbstractAttribute) {
    $attributes = $attribute->getAttributeCode();
} elseif (is_string($attribute)) {
    $attributes = [$attribute];
} else {
    $attributes = $attribute;
}
if (is_array($attributes) && !empty($attributes)) {
    $this->getConnection()->beginTransaction();
    $data = array_intersect_key($object->getData(), array_flip($attributes));
    try {
        $this->_beforeSaveAttribute($object, $attributes);

github.com

magento/magento2/blob/958164/app/code/Magento/Sales/Model/ResourceModel/Attribute.php#L53-L73


/**
 * Before save object attribute
 *
 * @param AbstractModel $object
 * @param string $attribute
 * @return \Magento\Sales\Model\ResourceModel\Attribute
 */
protected function _beforeSaveAttribute(AbstractModel $object, $attribute)
{
    if ($object->getEventObject() && $object->getEventPrefix()) {
        $this->eventManager->dispatch(
            $object->getEventPrefix() . '_save_attribute_before',
            [
                $object->getEventObject() => $this,
                'object' => $object,
                'attribute' => $attribute
            ]
        );
    }
    return $this;
}

github.com

magento/magento2/blob/958164/app/code/Magento/Sales/Model/ResourceModel/Attribute.php#L97-L104


if ($object->getId() && !empty($data)) {
    $this->getConnection()->update(
        $object->getResource()->getMainTable(),
        $data,
        [$object->getResource()->getIdFieldName() . '= ?' => (int)$object->getId()]
    );
    $object->addData($data);
}

github.com

magento/magento2/blob/958164/app/code/Magento/Sales/Model/ResourceModel/Attribute.php#L105-L105


$this->_afterSaveAttribute($object, $attributes);

github.com

magento/magento2/blob/958164/app/code/Magento/Sales/Model/ResourceModel/Attribute.php#L115-L135


/**
 * After save object attribute
 *
 * @param AbstractModel $object
 * @param string $attribute
 * @return \Magento\Sales\Model\ResourceModel\Attribute
 */
protected function _afterSaveAttribute(AbstractModel $object, $attribute)
{
    if ($object->getEventObject() && $object->getEventPrefix()) {
        $this->eventManager->dispatch(
            $object->getEventPrefix() . '_save_attribute_after',
            [
                $object->getEventObject() => $this,
                'object' => $object,
                'attribute' => $attribute
            ]
        );
    }
    return $this;
}