backup. before shop update

lib/models/business_time.dart

@@ -0,0 +1,20 @@
+import 'dart:convert';
+
+class BusinessTime {
+  String openTime;
+  String closeTime;
+
+  BusinessTime.fromJson(Map<String, dynamic> json)
+    : openTime = json['open_time'],
+      closeTime = json['close_time'];
+
+  Map<String, dynamic> toJson() => {
+    'open_time': openTime,
+    'close_time': closeTime
+  };
+
+  @override
+  String toString() {
+    return json.encode(this);
+  }
+}