50 - Refactor "Long Parameter List" Using "Preserve Whole Object"

app/Order.php

@@ -22,6 +22,18 @@ class Order extends Model
         return $order;
     }
 
+    public static function fromReservation($reservation)
+    {
+        $order = self::create([
+            'email' => $reservation->email(),
+            'amount' => $reservation->totalCost(),
+        ]);
+
+        $order->tickets()->saveMany($reservation->tickets());
+
+        return $order;
+    }
+
     public function concert()
     {
         return $this->belongsTo(Concert::class);