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check null safety

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This commit is contained in:
tzw
2021-09-10 16:33:52 +06:30
parent 3eacbef117
commit d8c86a512b
46 changed files with 275 additions and 304 deletions
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13
lib/pages/carton_size/model/carton_size_model.dart
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@@ -13,7 +13,7 @@ class CartonSizeModel extends BaseModel {
List<CartonSize> cartonSizes = [];
final log = Logger('CartonSizeModel');
StreamSubscription<QuerySnapshot> listener;
StreamSubscription<QuerySnapshot>? listener;
List<CartonSize> get getCartonSizes {
var _cartonSizes = new List<CartonSize>.from(cartonSizes);
@@ -27,17 +27,18 @@ class CartonSizeModel extends BaseModel {
Future<void> _loadCartonSizes() async {
try {
if (listener != null) listener.cancel();
if (listener != null) listener!.cancel();
listener = Firestore.instance
listener = FirebaseFirestore.instance
.collection(
"/$config_collection/$setting_doc_id/$carton_sizes_collection")
.snapshots()
.listen((QuerySnapshot snapshot) {
cartonSizes.clear();
cartonSizes = snapshot.documents.map((documentSnapshot) {
cartonSizes = snapshot.docs.map((documentSnapshot) {
var c = CartonSize.fromMap(
documentSnapshot.data, documentSnapshot.documentID);
documentSnapshot.data() as Map<String, dynamic>,
documentSnapshot.id);
return c;
}).toList();
notifyListeners();
@@ -49,7 +50,7 @@ class CartonSizeModel extends BaseModel {
@override
logout() async {
if (listener != null) await listener.cancel();
if (listener != null) await listener!.cancel();
cartonSizes = [];
}