Support multiple product requirements on pieces

src/Entity/Piece.php

@@ -55,6 +55,10 @@ class Piece
     #[Groups(['piece:read'])]
     private ?Product $product = null;
 
+    #[ORM\Column(type: Types::JSON, nullable: true, name: 'productIds')]
+    #[Groups(['piece:read'])]
+    private ?array $productIds = null;
+
     /**
      * @var Collection<int, Constructeur>
      */
@@ -190,6 +194,60 @@ class Piece
     {
         $this->product = $product;
 
+        if ($product && empty($this->productIds)) {
+            $productId = $product->getId();
+            $this->productIds = $productId ? [$productId] : null;
+        }
+
+        if (!$product && empty($this->productIds)) {
+            $this->productIds = null;
+        }
+
+        return $this;
+    }
+
+    /**
+     * @return string[]
+     */
+    public function getProductIds(): array
+    {
+        if (!is_array($this->productIds)) {
+            return [];
+        }
+
+        return array_values(
+            array_filter(
+                array_map(
+                    static fn ($value) => is_string($value) ? trim($value) : '',
+                    $this->productIds,
+                ),
+                static fn (string $value) => $value !== '',
+            ),
+        );
+    }
+
+    public function setProductIds(?array $productIds): static
+    {
+        if (!is_array($productIds)) {
+            $this->productIds = null;
+
+            return $this;
+        }
+
+        $normalized = array_values(
+            array_unique(
+                array_filter(
+                    array_map(
+                        static fn ($value) => is_string($value) ? trim($value) : '',
+                        $productIds,
+                    ),
+                    static fn (string $value) => $value !== '',
+                ),
+            ),
+        );
+
+        $this->productIds = $normalized === [] ? null : $normalized;
+
         return $this;
     }