From a2381d2dfdad5c4f6354e425a92eec526736897b Mon Sep 17 00:00:00 2001
From: Junpei Tsuji <tsuji_jumpei@cyberagent.co.jp>
Date: Fri, 23 Feb 2018 17:58:56 +0900
Subject: [PATCH] Fixed environment values

---
 appstore/model.go        | 9 ++++++++-
 appstore/notification.go | 9 +--------
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/appstore/model.go b/appstore/model.go
index cdbac3b..67f0072 100644
--- a/appstore/model.go
+++ b/appstore/model.go
@@ -13,6 +13,13 @@ func (n *numericString) UnmarshalJSON(b []byte) error {
 	return nil
 }
 
+type Environment string
+
+const (
+	Sandbox    Environment = "Sandbox"
+	Production Environment = "PROD"
+)
+
 type (
 	// https://developer.apple.com/library/content/releasenotes/General/ValidateAppStoreReceipt/Chapters/ValidateRemotely.html
 	// The IAPRequest type has the request parameter
@@ -118,7 +125,7 @@ type (
 	// If you get other types or fields from the IAP response, you should use the struct you defined.
 	IAPResponse struct {
 		Status             int                  `json:"status"`
-		Environment        string               `json:"environment"`
+		Environment        Environment          `json:"environment"`
 		Receipt            Receipt              `json:"receipt"`
 		LatestReceiptInfo  []InApp              `json:"latest_receipt_info"`
 		LatestReceipt      string               `json:"latest_receipt"`
diff --git a/appstore/notification.go b/appstore/notification.go
index d26a924..7463cc2 100644
--- a/appstore/notification.go
+++ b/appstore/notification.go
@@ -16,13 +16,6 @@ const (
 	NotificationTypeDidChangeRenewalPreference NotificationType = "DID_CHANGE_RENEWAL_PREFERENCE"
 )
 
-type NotificationEnv string
-
-const (
-	NotificationEnvSandbox    NotificationEnv = "SANDBOX"
-	NotificationEnvProduction NotificationEnv = "PROD"
-)
-
 type NotificationExpiresDate struct {
 	ExpiresDateMS  string `json:"expires_date"`
 	ExpiresDateUTC string `json:"expires_date_formatted"`
@@ -51,7 +44,7 @@ type NotificationReceipt struct {
 }
 
 type SubscriptionNotification struct {
-	Environment      NotificationEnv  `json:"environment"`
+	Environment      Environment      `json:"environment"`
 	NotificationType NotificationType `json:"notification_type"`
 
 	// Not show in raw notify body