ShoppingException を使用する #156
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ShoppingException, AbstractMutation を実装して、 Warning や購入エラーのエラーハンドリングをする
Warning の例
Mutation の結果と共に、 PurchaseFlow の warning を出力する
{ "errors": [ { "message": "「チェリーアイスサンド」の販売価格が変更されました。", "extensions": { "level": "warning", "category": "Global" } } ], "data": { "orderMutation": { "id": "31", "OrderItems": [ { "id": "164", "product_name": "チェリーアイスサンド" } ] } } }Error の例
PurchaseFlow の Error のみを出力する
{ "errors": [ { "message": "ご注文手続きが正常に完了しませんでした。大変お手数ですが、再度ご注文手続きをお願いします。", "extensions": { "level": "danger", "category": "Global" } } ], "data": { "orderMutation": null } }TODO