fix expired cart bug

lib/launch_cart/carts/cart.ex

@@ -13,7 +13,7 @@ defmodule LaunchCart.Carts.Cart do
   @primary_key {:id, :binary_id, autogenerate: true}
   @foreign_key_type :binary_id
   schema "carts" do
-    field :status, Ecto.Enum, values: [:open, :checkout_started, :checkout_complete], default: :open
+    field :status, Ecto.Enum, values: [:open, :checkout_started, :checkout_complete, :checkout_expired], default: :open
     field :checkout_session, :map
     has_many :items, CartItem
     belongs_to :store, Store
@@ -35,4 +35,7 @@ defmodule LaunchCart.Carts.Cart do
 
   defp status_for(%Stripe.Session{status: "open"}), do: :checkout_started
   defp status_for(%Stripe.Session{status: "complete"}), do: :checkout_complete
+  defp status_for(%Stripe.Session{status: "expired"}), do: :checkout_expired
+  defp status_for(%Stripe.Session{}), do: :checkout_started
+
 end

test/launch_cart/carts_test.exs

@@ -125,6 +125,26 @@ defmodule LaunchCart.CartTest do
       assert {:ok, %Cart{status: :checkout_complete}} = Carts.load_cart(cart.id)
     end
 
+    test "with expired status from stripe" do
+      cart =
+        insert(:cart,
+          status: :checkout_started,
+          checkout_session: %{id: "sess_expired", url: "http://foo.bar"}
+        )
+
+      assert {:ok, %Cart{status: :checkout_expired}} = Carts.load_cart(cart.id)
+    end
+
+    test "with nil status from stripe" do
+      cart =
+        insert(:cart,
+          status: :checkout_started,
+          checkout_session: %{id: "sess_nil_status", url: "http://foo.bar"}
+        )
+
+      assert {:ok, %Cart{status: :checkout_started}} = Carts.load_cart(cart.id)
+    end
+
     test "with an invalid id" do
       assert {:error, :cart_not_found} = Carts.load_cart("garbage")
     end

test/support/fake_stripe.ex

@@ -545,6 +545,14 @@ defmodule LaunchCart.Test.FakeLaunch do
      }}
   end
 
+  def get_session("sess_expired", connect_account: _account) do
+    {:ok, %Stripe.Session{status: "expired"}}
+  end
+
+  def get_session("sess_nil_status", connect_account: _account) do
+    {:ok, %Stripe.Session{status: nil}}
+  end
+
   def get_session("sess_complete", connect_account: _account) do
     {:ok,
      %Stripe.Session{