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<?php declare(strict_types=1);
namespace Shopware\Core\Content\Cms\DataResolver;
use Shopware\Core\Content\Cms\Aggregate\CmsSlot\CmsSlotCollection;
use Shopware\Core\Content\Cms\Aggregate\CmsSlot\CmsSlotEntity;
use Shopware\Core\Content\Cms\DataResolver\Element\CmsElementResolverInterface;
use Shopware\Core\Content\Cms\DataResolver\Element\ElementDataCollection;
use Shopware\Core\Content\Cms\DataResolver\ResolverContext\ResolverContext;
use Shopware\Core\Framework\DataAbstractionLayer\DefinitionInstanceRegistry;
use Shopware\Core\Framework\DataAbstractionLayer\Entity;
use Shopware\Core\Framework\DataAbstractionLayer\EntityDefinition;
use Shopware\Core\Framework\DataAbstractionLayer\EntityRepositoryInterface;
use Shopware\Core\Framework\DataAbstractionLayer\Exception\InconsistentCriteriaIdsException;
use Shopware\Core\Framework\DataAbstractionLayer\Search\Criteria;
use Shopware\Core\Framework\DataAbstractionLayer\Search\EntitySearchResult;
use Shopware\Core\Framework\Struct\ArrayEntity;
use Shopware\Core\System\SalesChannel\SalesChannelContext;
class CmsSlotsDataResolver
{
/**
* @var CmsElementResolverInterface[]
*/
private $resolvers;
/**
* @var array
*/
private $repositories;
/**
* @var DefinitionInstanceRegistry
*/
private $definitionRegistry;
/**
* @internal
*
* @param CmsElementResolverInterface[] $resolvers
*/
public function __construct(iterable $resolvers, array $repositories, DefinitionInstanceRegistry $definitionRegistry)
{
$this->definitionRegistry = $definitionRegistry;
foreach ($repositories as $entityName => $repository) {
$this->repositories[$entityName] = $repository;
}
foreach ($resolvers as $resolver) {
$this->resolvers[$resolver->getType()] = $resolver;
}
}
public function resolve(CmsSlotCollection $slots, ResolverContext $resolverContext): CmsSlotCollection
{
$slotCriteriaList = [];
/*
* Collect criteria objects for each slot from resolver
*
* @var CmsSlotEntity
*/
foreach ($slots as $slot) {
$resolver = $this->resolvers[$slot->getType()] ?? null;
if (!$resolver) {
continue;
}
$collection = $resolver->collect($slot, $resolverContext);
if ($collection === null) {
continue;
}
$slotCriteriaList[$slot->getUniqueIdentifier()] = $collection;
}
// reduce search requests by combining mergeable criteria objects
[$directReads, $searches] = $this->optimizeCriteriaObjects($slotCriteriaList);
// fetch data from storage
$entities = $this->fetchByIdentifier($directReads, $resolverContext->getSalesChannelContext());
$searchResults = $this->fetchByCriteria($searches, $resolverContext->getSalesChannelContext());
// create result for each slot with the requested data
foreach ($slots as $slotId => $slot) {
$resolver = $this->resolvers[$slot->getType()] ?? null;
if (!$resolver) {
continue;
}
$result = new ElementDataCollection();
$this->mapSearchResults($result, $slot, $slotCriteriaList, $searchResults);
$this->mapEntities($result, $slot, $slotCriteriaList, $entities);
$resolver->enrich($slot, $resolverContext, $result);
// replace with return value from enrich(), because it's allowed to change the entity type
$slots->set($slotId, $slot);
}
return $slots;
}
/**
* @param string[][] $directReads
*
* @throws InconsistentCriteriaIdsException
*
* @return EntitySearchResult[]
*/
private function fetchByIdentifier(array $directReads, SalesChannelContext $context): array
{
$entities = [];
foreach ($directReads as $definitionClass => $ids) {
$definition = $this->definitionRegistry->get($definitionClass);
$repository = $this->getSalesChannelApiRepository($definition);
if ($repository) {
$entities[$definitionClass] = $repository->search(new Criteria($ids), $context);
} else {
$repository = $this->getApiRepository($definition);
$entities[$definitionClass] = $repository->search(new Criteria($ids), $context->getContext());
}
}
return $entities;
}
private function fetchByCriteria(array $searches, SalesChannelContext $context): array
{
$searchResults = [];
/** @var Criteria[] $criteriaObjects */
foreach ($searches as $definitionClass => $criteriaObjects) {
foreach ($criteriaObjects as $criteriaHash => $criteria) {
$definition = $this->definitionRegistry->get($definitionClass);
$repository = $this->getSalesChannelApiRepository($definition);
if ($repository) {
$result = $repository->search($criteria, $context);
} else {
$repository = $this->getApiRepository($definition);
$result = $repository->search($criteria, $context->getContext());
}
$searchResults[$criteriaHash] = $result;
}
}
return $searchResults;
}
/**
* @param CriteriaCollection[] $criteriaCollections
*/
private function optimizeCriteriaObjects(array $criteriaCollections): array
{
$directReads = [];
$searches = [];
$criteriaCollection = $this->flattenCriteriaCollections($criteriaCollections);
foreach ($criteriaCollection as $definition => $criteriaObjects) {
$directReads[$definition] = [[]];
$searches[$definition] = [];
/** @var Criteria $criteria */
foreach ($criteriaObjects as $criteria) {
if ($this->canBeMerged($criteria)) {
$directReads[$definition][] = $criteria->getIds();
} else {
$criteriaHash = $this->hash($criteria);
$criteria->addExtension('criteriaHash', new ArrayEntity(['hash' => $criteriaHash]));
$searches[$definition][$criteriaHash] = $criteria;
}
}
}
foreach ($directReads as $definition => $idLists) {
$directReads[$definition] = array_merge(...$idLists);
}
return [
array_filter($directReads),
array_filter($searches),
];
}
private function canBeMerged(Criteria $criteria): bool
{
//paginated lists must be an own search
if ($criteria->getOffset() !== null || $criteria->getLimit() !== null) {
return false;
}
//sortings must be an own search
if (\count($criteria->getSorting())) {
return false;
}
//queries must be an own search
if (\count($criteria->getQueries())) {
return false;
}
if ($criteria->getAssociations()) {
return false;
}
if ($criteria->getAggregations()) {
return false;
}
$filters = array_merge(
$criteria->getFilters(),
$criteria->getPostFilters()
);
// any kind of filters must be an own search
if (!empty($filters)) {
return false;
}
if (empty($filters) && empty($criteria->getIds())) {
return false;
}
return true;
}
private function getApiRepository(EntityDefinition $definition): EntityRepositoryInterface
{
return $this->definitionRegistry->getRepository($definition->getEntityName());
}
/**
* @return mixed|null
*/
private function getSalesChannelApiRepository(EntityDefinition $definition)
{
return $this->repositories[$definition->getEntityName()] ?? null;
}
private function flattenCriteriaCollections(array $criteriaCollections): array
{
$flattened = [];
$criteriaCollections = array_values($criteriaCollections);
foreach ($criteriaCollections as $collections) {
foreach ($collections as $definition => $criteriaObjects) {
$flattened[$definition] = array_merge($flattened[$definition] ?? [], array_values($criteriaObjects));
}
}
return $flattened;
}
/**
* @param CriteriaCollection[] $criteriaObjects
* @param EntitySearchResult[] $searchResults
*/
private function mapSearchResults(ElementDataCollection $result, CmsSlotEntity $slot, array $criteriaObjects, array $searchResults): void
{
if (!isset($criteriaObjects[$slot->getUniqueIdentifier()])) {
return;
}
foreach ($criteriaObjects[$slot->getUniqueIdentifier()] as $criterias) {
foreach ($criterias as $key => $criteria) {
if (!$criteria->hasExtension('criteriaHash')) {
continue;
}
/** @var ArrayEntity $hashArrayEntity */
$hashArrayEntity = $criteria->getExtension('criteriaHash');
$hash = $hashArrayEntity->get('hash');
if (!isset($searchResults[$hash])) {
continue;
}
$result->add($key, $searchResults[$hash]);
}
}
}
/**
* @param CriteriaCollection[] $criteriaObjects
* @param EntitySearchResult[] $entities
*/
private function mapEntities(ElementDataCollection $result, CmsSlotEntity $slot, array $criteriaObjects, array $entities): void
{
if (!isset($criteriaObjects[$slot->getUniqueIdentifier()])) {
return;
}
foreach ($criteriaObjects[$slot->getUniqueIdentifier()] as $definition => $criterias) {
foreach ($criterias as $key => $criteria) {
if (!$this->canBeMerged($criteria)) {
continue;
}
if (!isset($entities[$definition])) {
continue;
}
$ids = $criteria->getIds();
$filtered = $entities[$definition]->filter(function (Entity $entity) use ($ids) {
return \in_array($entity->getUniqueIdentifier(), $ids, true);
});
$result->add($key, $filtered);
}
}
}
private function hash(Criteria $criteria): string
{
return md5(serialize($criteria));
}
}

vendor/shopware/core/Content/Cms/DataResolver/CmsSlotsDataResolver.php line 97