diff --git a/app/Order.php b/app/Order.php
index d1983ec..f8b18d1 100644
--- a/app/Order.php
+++ b/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);
diff --git a/tests/unit/OrderTest.php b/tests/unit/OrderTest.php
index 765686e..eb94a41 100644
--- a/tests/unit/OrderTest.php
+++ b/tests/unit/OrderTest.php
@@ -1,7 +1,9 @@
 <?php
 
 use App\Order;
+use App\Ticket;
 use App\Concert;
+use App\Reservation;
 use Illuminate\Foundation\Testing\WithoutMiddleware;
 use Illuminate\Foundation\Testing\DatabaseMigrations;
 use Illuminate\Foundation\Testing\DatabaseTransactions;
@@ -24,6 +26,20 @@ class OrderTest extends TestCase
         $this->assertEquals(2, $concert->ticketsRemaining());
     }
 
+    /** @test */
+    function creating_an_order_from_a_reservation()
+    {
+        $concert = factory(Concert::class)->create(['ticket_price' => 1200]);
+        $tickets = factory(Ticket::class, 3)->create(['concert_id' => $concert->id]);
+        $reservation = new Reservation($tickets, 'john@example.com');
+
+        $order = Order::fromReservation($reservation);
+
+        $this->assertEquals('john@example.com', $order->email);
+        $this->assertEquals(3, $order->ticketQuantity());
+        $this->assertEquals(3600, $order->amount);
+    }
+
     /** @test */
     function converting_to_an_array()
     {