Created GatewayModel.

lib/pages/device_managment/gateway/model/gateway_model.dart

@@ -0,0 +1,40 @@
+class GatewayModel {
+  final String uuid;
+  final bool switchAlarmSound;
+  final String masterState;
+  final bool factoryReset;
+  final String alarmActive;
+
+  GatewayModel({
+    required this.uuid,
+    required this.switchAlarmSound,
+    required this.masterState,
+    required this.factoryReset,
+    required this.alarmActive,
+  });
+
+  factory GatewayModel.fromJson(Map<String, dynamic> json) {
+    final status = json['status'] as List<dynamic>;
+
+    final switchAlarmSound = status.firstWhere(
+      (item) => item['code'] == 'switch_alarm_sound',
+    )['value'] as bool;
+    final masterState = status.firstWhere(
+      (item) => item['code'] == 'master_state',
+    )['value'] as String;
+    final factoryReset = status.firstWhere(
+      (item) => item['code'] == 'factory_reset',
+    )['value'] as bool;
+    final alarmActive = status.firstWhere(
+      (item) => item['code'] == 'alarm_active',
+    )['value'] as String;
+
+    return GatewayModel(
+      uuid: json['uuid'] as String,
+      switchAlarmSound: switchAlarmSound,
+      masterState: masterState,
+      factoryReset: factoryReset,
+      alarmActive: alarmActive,
+    );
+  }
+}