/**
* @param Listing $baseListing
* @param Listing $listingToMerge
* @param array $selectedCollisionItems
* @param User $ownerOfOutputListing
* @return Listing
* @throws NoCollisionListingItemSelectedException
* @throws \Exception
*/
public function mergeListings(Listing $baseListing, Listing $listingToMerge, array $selectedCollisionItems = [], User $ownerOfOutputListing)
{
if (!$this->haveListingsSamePeriod($baseListing, $listingToMerge)) {
throw new RuntimeException('Given Listings must have same Period(Year and Month).');
}
try {
$this->em->beginTransaction();
$items = $this->itemsService->getMergedListOfItems($this->listingItemsReader->findListingItems($baseListing->getId()), $this->listingItemsReader->findListingItems($listingToMerge->getId()), $selectedCollisionItems);
$newListing = new Listing($baseListing->year, $baseListing->month, $ownerOfOutputListing);
$this->em->persist($newListing);
foreach ($items as $item) {
/** @var ListingItem $item */
$item->setListing($newListing);
$this->em->persist($item);
}
$this->em->flush();
$this->em->commit();
return $newListing;
} catch (\Exception $e) {
$this->em->rollback();
$this->em->close();
$this->onError('Merging of listings #id(' . $baseListing->getId() . ') and #id(' . $listingToMerge->getId() . ') failed.', $e, self::class);
throw $e;
}
}
