update fixes

lib/utils/database_gps.dart

@@ -37,7 +37,8 @@ class GpsDatabaseHelper {
       lat REAL, 
       lon REAL,
       is_checkin int,
-      created_at INTEGER
+      created_at INTEGER,
+      is_synced INTEGER DEFAULT 0
     )
     ''');
   }
@@ -70,4 +71,26 @@ class GpsDatabaseHelper {
     print("--------- db list $gpsDatas");
     return gpsDatas;
   }
+
+  Future<List<GpsData>> getUnsyncedGPSData(
+      String team_name, String event_code) async {
+    Database db = await instance.database;
+    var gpss = await db.query('gps',
+        where: 'team_name = ? and event_code = ? and is_synced = 0',
+        whereArgs: [team_name, event_code],
+        orderBy: 'created_at');
+    return gpss.isNotEmpty ? gpss.map((e) => GpsData.fromMap(e)).toList() : [];
+  }
+
+  Future<void> setSyncData(List<GpsData> data) async {
+    Database db = await instance.database;
+    for (var record in data) {
+      await db.update(
+        'gps',
+        {'is_synced': 1},
+        where: 'id = ?',
+        whereArgs: [record.id],
+      );
+    }
+  }
 }