大幅変更＆環境バージョンアップ

lib/model/gps_data.dart

@@ -0,0 +1,47 @@
+class GpsData {
+  int id;
+  String team_name;
+  String event_code;
+  double lat;
+  double lon;
+  int is_checkin;
+  int created_at;
+  int is_synced;
+
+  GpsData({
+    required this.id,
+    required this.team_name,
+    required this.event_code,
+    required this.lat,
+    required this.lon,
+    required this.created_at,
+    this.is_checkin = 0,
+    this.is_synced = 0,
+  });
+
+  factory GpsData.fromMap(Map<String, dynamic> json) {
+    return GpsData(
+      id: json["id"],
+      team_name: json["team_name"],
+      event_code: json["event_code"],
+      lat: json["lat"],
+      lon: json["lon"],
+      is_checkin: json["is_checkin"],
+      created_at: json["created_at"],
+      is_synced: json["is_synced"] ?? 0,
+    );
+  }
+
+  Map<String, dynamic> toMap() {
+    return {
+      'id': id,
+      'team_name': team_name,
+      'event_code': event_code,
+      'lat': lat,
+      'lon': lon,
+      'is_checkin': is_checkin,
+      'created_at': created_at,
+      'is_synced': is_synced,
+    };
+  }
+}