/**
* Test that after cloning collection $this->_select in initial and cloned collections
* do not reference the same object
*
* @covers \Magento\Framework\Data\Collection\Db::__clone
*/
public function testClone()
{
$adapter = $this->getMockForAbstractClass('Zend_Db_Adapter_Abstract', [], '', false);
$this->collection->setConnection($adapter);
$this->assertInstanceOf('Zend_Db_Select', $this->collection->getSelect());
$clonedCollection = clone $this->collection;
$this->assertInstanceOf('Zend_Db_Select', $clonedCollection->getSelect());
$this->assertNotSame($clonedCollection->getSelect(), $this->collection->getSelect(), 'Collection was cloned but $this->_select in both initial and cloned collections reference the same object');
}
/**
* Add events log to a collection
* The collection id field is used without corellation, so it must be unique.
* DESC ordering by event will be added to the collection
*
* @param \Magento\Framework\Data\Collection\Db $collection
* @param int $eventTypeId
* @param int $eventSubjectId
* @param int $subtype
* @param array $skipIds
* @return $this
*/
public function applyLogToCollection(\Magento\Framework\Data\Collection\Db $collection, $eventTypeId, $eventSubjectId, $subtype, $skipIds = [])
{
$idFieldName = $collection->getResource()->getIdFieldName();
$derivedSelect = $this->getReadConnection()->select()->from($this->getTable('report_event'), ['event_id' => new \Zend_Db_Expr('MAX(event_id)'), 'object_id'])->where('event_type_id = ?', (int) $eventTypeId)->where('subject_id = ?', (int) $eventSubjectId)->where('subtype = ?', (int) $subtype)->where('store_id IN(?)', $this->getCurrentStoreIds())->group('object_id');
if ($skipIds) {
if (!is_array($skipIds)) {
$skipIds = [(int) $skipIds];
}
$derivedSelect->where('object_id NOT IN(?)', $skipIds);
}
$collection->getSelect()->joinInner(['evt' => new \Zend_Db_Expr("({$derivedSelect})")], "{$idFieldName} = evt.object_id", [])->order('evt.event_id ' . \Magento\Framework\DB\Select::SQL_DESC);
return $this;
}
/**
* Get \Zend_Db_Select instance and applies fields to select if needed
*
* @return \Magento\Framework\DB\Select
*/
public function getSelect()
{
if ($this->_select && $this->_fieldsToSelectChanged) {
$this->_fieldsToSelectChanged = false;
$this->_initSelectFields();
}
return parent::getSelect();
}
