fix

lib/domain/constants.dart

@@ -69,6 +69,7 @@ const privilege_delivery = "deli";
 const privilege_invoice = "inv";
 const privilege_processing = "pr";
 const privilege_receiving = "rc";
+const privilege_pickup = "pku";
 
 // Pickup types
 const shipment_local_pickup = "Local pickup";

lib/domain/entities/carton.dart

@@ -64,9 +64,8 @@ class Carton {
   // String get packageNumber =>
   //     shipmentNumber + "-" + receiverNumber + " #" + boxNumber;
 
-  double get actualWeight => cargoTypes == null
-      ? 0
-      : cargoTypes.fold(0, (p, e) => e.weight  + p);
+  double get actualWeight =>
+      cargoTypes == null ? 0 : cargoTypes.fold(0, (p, e) => e.weight + p);
 
   int getShipmentWeight(double volumetricRatio) {
     if (length == null ||
@@ -110,13 +109,12 @@ class Carton {
     double wd = sw - aw;
     wd = wd - rate.diffDiscountWeight;
     double wdAmount = wd > 0 ? wd * rate.diffWeightRate : 0;
-
     DiscountByWeight discountByWeight = rate.getDiscountByWeight(aw);
 
     double total = 0;
     cargoTypes.forEach((e) {
-      double r = e.rate -
-          (discountByWeight != null ? (discountByWeight.discount) : 0);
+      double r =
+          e.rate - (discountByWeight != null ? (discountByWeight.discount) : 0);
       double amount = e.weight * r;
       total += amount;
     });
@@ -194,7 +192,8 @@ class Carton {
   }
 
   factory Carton.fromMap(Map<String, dynamic> map, String docID) {
-    var _arrivedDate = (map['arrived_date'] as Timestamp);
+    var _arrivedDate =
+        map['arrived_date'] == null ? null : (map['arrived_date'] as Timestamp);
     var da = map['delivery_address'];
     var _da = da != null ? DeliveryAddress.fromMap(da, da["id"]) : null;
     var cargoTypesMaps =

lib/domain/entities/rate.dart

@@ -16,10 +16,12 @@ class Rate {
 
   DiscountByWeight getDiscountByWeight(double weight) {
     discountByWeights.sort((d1, d2) => d2.weight.compareTo(d1.weight));
-    return discountByWeights.firstWhere((e) => e.weight < weight);
+    return discountByWeights.firstWhere((e) => e.weight < weight,
+        orElse: () => DiscountByWeight());
   }
 
-  CargoType get defaultCargoType => cargoTypes.firstWhere((e) => e.name == "General");
+  CargoType get defaultCargoType =>
+      cargoTypes.firstWhere((e) => e.name == "General");
 
   Rate(
       {this.deliveryFee = 0,

lib/domain/vo/privilege.dart

@@ -43,6 +43,8 @@ class Privilege {
       iconData = FontAwesome.dropbox;
     } else if (this.id == privilege_receiving) {
       iconData = MaterialCommunityIcons.inbox_arrow_down;
+    } else if (this.id == privilege_pickup) {
+      iconData = FontAwesome.dropbox;
     } else {
       iconData = MaterialCommunityIcons.account_question;
     }

lib/pages/delivery/model/delivery_model.dart

@@ -4,17 +4,17 @@ import 'package:cloud_firestore/cloud_firestore.dart';
 import 'package:fcs/data/services/services.dart';
 import 'package:fcs/domain/constants.dart';
 import 'package:fcs/domain/entities/carton.dart';
-import 'package:fcs/domain/vo/message.dart';
 import 'package:fcs/helpers/paginator.dart';
 import 'package:fcs/pages/main/model/base_model.dart';
 import 'package:logging/logging.dart';
 
 class DeliveryModel extends BaseModel {
   final log = Logger('DeliveryModel');
-  List<Carton> get cartons =>
-      _selectedIndex == 1 ? _cartons : List<Carton>.from(_delivered.values);
+  List<Carton> get cartons => _selectedIndex == 1
+      ? _cartons
+      : List<Carton>.from(_delivered?.values ?? []);
 
-  late Paginator _delivered;
+  Paginator? _delivered;
   int _selectedIndex = 1;
   bool isLoading = false;
   List<Carton> _cartons = [];
@@ -31,9 +31,9 @@ class DeliveryModel extends BaseModel {
     _selectedIndex = 1;
     _loadCartons();
 
-    if (_delivered != null) _delivered.close();
+    if (_delivered != null) _delivered!.close();
     _delivered = _getDelivered();
-    _delivered.load();
+    _delivered!.load();
   }
 
   Future<void> _loadCartons() async {
@@ -57,7 +57,8 @@ class DeliveryModel extends BaseModel {
             _cartons.clear();
             _cartons = snapshot.docs.map((documentSnapshot) {
               var s = Carton.fromMap(
-                  documentSnapshot.data as Map<String, dynamic>, documentSnapshot.id);
+                  documentSnapshot.data as Map<String, dynamic>,
+                  documentSnapshot.id);
               return s;
             }).toList();
             notifyListeners();
@@ -82,10 +83,10 @@ class DeliveryModel extends BaseModel {
   }
 
   Future<void> loadMore() async {
-    if (_delivered.ended || _selectedIndex == 1) return;
+    if (_delivered!.ended || _selectedIndex == 1) return;
     isLoading = true;
     notifyListeners();
-    await _delivered.load(onFinished: () {
+    await _delivered!.load(onFinished: () {
       isLoading = false;
       notifyListeners();
     });
@@ -94,7 +95,7 @@ class DeliveryModel extends BaseModel {
   Future<void> refresh() async {
     if (_selectedIndex == 1) return;
 
-    await _delivered.refresh(onFinished: () {
+    await _delivered!.refresh(onFinished: () {
       notifyListeners();
     });
   }
@@ -106,7 +107,7 @@ class DeliveryModel extends BaseModel {
   @override
   logout() async {
     if (listener != null) await listener!.cancel();
-    if (_delivered != null) _delivered.close();
+    if (_delivered != null) _delivered!.close();
     _cartons = [];
   }
 

lib/pages/processing/processing_info.dart

@@ -39,7 +39,8 @@ class _ProcessingInfoState extends State<ProcessingInfo> {
     initPackage(widget.package!);
   }
 
-  initPackage(Package package) {
+  initPackage(Package? package) {
+    if (package == null) return;
     setState(() {
       _package = package;
       multiImgController.setImageUrls = package.photoUrls;
@@ -223,7 +224,7 @@ class _ProcessingInfoState extends State<ProcessingInfo> {
       PackageModel packageModel =
           Provider.of<PackageModel>(context, listen: false);
       Package? p = await packageModel.getPackage(_package!.id!);
-      initPackage(p!);
+      initPackage(p);
     }
   }
 }

lib/pages/receiving/receiving_info.dart

@@ -40,7 +40,8 @@ class _ReceivingInfoState extends State<ReceivingInfo> {
     initPackage(widget.package!);
   }
 
-  initPackage(Package package) {
+  initPackage(Package? package) {
+    if (package == null) return;
     multiImgController.setImageUrls = package.photoUrls;
     setState(() {
       _package = package;
@@ -150,7 +151,7 @@ class _ReceivingInfoState extends State<ReceivingInfo> {
     PackageModel packageModel =
         Provider.of<PackageModel>(context, listen: false);
     var pkg = await packageModel.getPackage(widget.package!.id!);
-    initPackage(pkg!);
+    initPackage(pkg);
   }
 
   _delete() {

lib/pages/widgets/my_data_table.dart

@@ -622,7 +622,6 @@ class MyDataTable extends StatelessWidget {
 
     final List<TableColumnWidth> tableColumns = (columns.length +
         (showCheckboxColumn ? 1 : 0)) as List<TableColumnWidth>;
-
     final List<TableRow> tableRows = List<TableRow>.generate(
       rows.length + 1, // the +1 is for the header row
       (int index) {