Add a badge for stock

src/Models/Product.php

@@ -44,6 +44,13 @@ class Product extends Model
         return $this->hasMany(Stock::class);
     }
 
+    public function currentStock(): HasOne
+    {
+        return $this->stock()->one()->ofMany()->withDefault(function (Stock $stock) {
+            $stock->stock = 0;
+        });
+    }
+
     public function toggleStarred(): self
     {
         $this->starred = !$this->starred;