Agent: "Create Doctrine entities with:
// src/Entity/Product.php
use App\Repository\ProductRepository;
use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\Common\Collections\Collection;
use Doctrine\ORM\Mapping as ORM;
use Symfony\Component\Validator\Constraints as Assert;
#[ORM\Entity(repositoryClass: ProductRepository::class)]
#[ORM\Table(name: 'products')]
#[ORM\Index(name: 'idx_product_sku', columns: ['sku'])]
#[ORM\HasLifecycleCallbacks]
#[ORM\Column(length: 255)]
#[Assert\Length(min: 3, max: 255)]
#[ORM\Column(length: 100, unique: true)]
#[Assert\Regex('/^[A-Z0-9\-]+$/')]
#[ORM\Column(type: 'decimal', precision: 10, scale: 2)]
#[ORM\ManyToOne(targetEntity: Category::class, inversedBy: 'products')]
#[ORM\JoinColumn(nullable: false)]
private Category $category;
#[ORM\ManyToMany(targetEntity: Tag::class, inversedBy: 'products')]
#[ORM\JoinTable(name: 'product_tags')]
private Collection $tags;
#[ORM\Column(type: 'datetime_immutable')]
private \DateTimeImmutable $createdAt;
#[ORM\Column(type: 'datetime_immutable', nullable: true)]
private ?\DateTimeImmutable $updatedAt = null;
public function __construct()
$this->tags = new ArrayCollection();
public function setCreatedAtValue(): void
$this->createdAt = new \DateTimeImmutable();
public function setUpdatedAtValue(): void
$this->updatedAt = new \DateTimeImmutable();
// Getters and setters...
// src/Repository/ProductRepository.php
namespace App\Repository;
use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
use Doctrine\ORM\QueryBuilder;
use Doctrine\Persistence\ManagerRegistry;
* @extends ServiceEntityRepository<Product>
class ProductRepository extends ServiceEntityRepository
public function __construct(ManagerRegistry $registry)
parent::__construct($registry, Product::class);
public function findBySearchCriteria(
array $orderBy = ['name' => 'ASC']
$qb = $this->createQueryBuilder('p')
->leftJoin('p.category', 'c')
->leftJoin('p.tags', 't');
$qb->andWhere('p.name LIKE :search OR p.sku LIKE :search')
->setParameter('search', '%' . $search . '%');
$qb->andWhere('c.id = :categoryId')
->setParameter('categoryId', $categoryId);
foreach ($orderBy as $field => $direction) {
$qb->addOrderBy('p.' . $field, $direction);
public function findProductsWithLowStock(int $threshold = 10): array
return $this->createQueryBuilder('p')
->andWhere('p.stockQuantity < :threshold')
->setParameter('threshold', $threshold)
->orderBy('p.stockQuantity', 'ASC')