Keep track of discontinued items. That means items that were tracked, but then they were never updated.Added is discontinued badge.

src/Models/Product.php

@@ -7,6 +7,8 @@ use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Database\Eloquent\Relations\HasOne;
 
+use function Symfony\Component\Clock\now;
+
 /**
  * @property integer $skuID
  * @property string $name
@@ -66,9 +68,12 @@ class Product extends Model
         );
     }
 
-    public function isnew(): bool
+    public function isDiscontinued(): bool
     {
-        $newDate = (new \DateTime())->modify('-30 days')->format('Y-m-d');
-        return $this->created_at->format('Y-m-d') > $newDate;
+        return $this->updated_at->format('Y-m-d') < now()->format('Y-m-d');
+    }
+    public function isNew(): bool
+    {
+        return $this->created_at->format('Y-m-d') > now()->modify('-30 days')->format('Y-m-d');
     }
 }