预售库存状态

app/Endpoint/Api/Http/Resources/ProduckSkuResource.php

@@ -36,6 +36,7 @@ class ProduckSkuResource extends JsonResource
             'growth_value' => (int) $this->growth_value,
             'sales_value' => (int) $this->sales_value,
             'is_bargaing' => $this->isBargaing() ? true : false,
+            'is_pre_sale' => !!$this->is_pre_sale,
         ];
     }
 }

app/Models/ProductSku.php

@@ -160,6 +160,11 @@ class ProductSku extends Model
      */
     public function getSaleableStockAttribute(): int
     {
+        // 商品处于预售状态, 不限制库存
+        $is_pre_sale = $this->spu->is_pre_sale || $this->is_pre_sale;
+        if ($is_pre_sale) {
+            return 9999;
+        }
         if ($this->isOnline()) {
             return $this->attributes['stock'];
         }