/**
* get select count sql
*
* @return \Magento\Framework\DB\Select
*/
public function getSelectCountSql()
{
if (!$this->_countSelect instanceof \Magento\Framework\DB\Select) {
$this->setSelectCountSql(parent::getSelectCountSql());
}
return $this->_countSelect;
}
/**
* Unserialize additional_information in each item
*
* @return $this
*/
protected function _afterLoad()
{
foreach ($this->_items as $item) {
$this->getResource()->unserializeFields($item);
}
return parent::_afterLoad();
}
/**
* Don't add item to the collection if only fixed are allowed and its carrier is not fixed
*
* @param \Magento\Quote\Model\Quote\Address\Rate $rate
* @return $this
*/
public function addItem(\Magento\Framework\DataObject $rate)
{
$carrier = $this->_carrierFactory->get($rate->getCarrier());
if ($this->_allowFixedOnly && (!$carrier || !$carrier->isFixed())) {
return $this;
}
return parent::addItem($rate);
}
/**
* Set parent items
*
* @return $this
*/
protected function _afterLoad()
{
parent::_afterLoad();
/**
* Assign parent items
*/
foreach ($this as $item) {
if ($item->getParentItemId()) {
$item->setParentItem($this->getItemById($item->getParentItemId()));
}
}
return $this;
}
/**
* After load processing
*
* @return $this
*/
protected function _afterLoad()
{
parent::_afterLoad();
/**
* Assign parent items
*/
foreach ($this as $item) {
if ($item->getParentItemId()) {
$item->setParentItem($this->getItemById($item->getParentItemId()));
}
if ($this->_quote) {
$item->setQuote($this->_quote);
}
}
/**
* Assign options and products
*/
$this->_assignOptions();
$this->_assignProducts();
$this->resetItemsDataChanged();
return $this;
}
/**
* Redeclare after load method for dispatch event
*
* @return $this
*/
protected function _afterLoad()
{
parent::_afterLoad();
$this->_eventManager->dispatch($this->_eventPrefix . '_load_after', [$this->_eventObject => $this]);
return $this;
}