cartFinish function
Implementation
cartFinish(OrderData _data) async{
Map<String, dynamic> d = _data.toJson();
var t = await FirebaseFirestore.instance.collection("booking").add(d);
cartLastAddedId = t.id;
cartLastAddedIdToUser = t.id;
_data.id = t.id;
await bookingSaveInCache(_data);
_clearCart();
// await FirebaseFirestore.instance.collection("settings").doc("main")
// .set({"booking_count": FieldValue.increment(1)}, SetOptions(merge:true));
// await FirebaseFirestore.instance.collection("settings").doc("main")
// .set({"booking_count_unread": FieldValue.increment(1)}, SetOptions(merge:true));
}