Handle lastSeen column and all the discontinued items.

src/Models/Product.php

@@ -2,6 +2,7 @@
 
 namespace Krzysiej\RyobiCrawler\Models;
 
+use Carbon\Traits\Date;
 use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\HasMany;
@@ -24,6 +25,7 @@ use function Symfony\Component\Clock\now;
  * @property float $priceLowest
  * @property float $productStandardPrice
  * @property float $lowestProductPrice30Days
+ * @property Date $lastSeen
  */
 class Product extends Model
 {
@@ -81,7 +83,7 @@ class Product extends Model
 
     public function isDiscontinued(): bool
     {
-        return $this->updated_at->format('Y-m-d') < now()->format('Y-m-d');
+        return $this->lastSeen < now()->format('Y-m-d');
     }
     public function isNew(): bool
     {