update shipment rate

lib/model_fcs/box_model.dart

@@ -4,6 +4,7 @@ import 'package:cloud_firestore/cloud_firestore.dart';
 import 'package:fcs/model/base_model.dart';
 import 'package:fcs/model_fcs/package_model.dart';
 import 'package:fcs/vo/box.dart';
+import 'package:fcs/vo/cargo.dart';
 import 'package:fcs/vo/package.dart';
 import 'package:logging/logging.dart';
 
@@ -21,6 +22,7 @@ class BoxModel extends BaseModel {
     PackageModel.packages[1],
     PackageModel.packages[2]
   ];
+
   List<Box> boxes = [
     Box(
         shipmentNumber: "A202",
@@ -29,13 +31,21 @@ class BoxModel extends BaseModel {
         boxNumber: "1",
         rate: 7,
         packageType: "General",
-        weight: 25,
+        weight: 75,
         status: "Packed",
         receiverAddress: '1 Bo Yar Nyunt St.\nDagon Tsp, Yangon',
         cargoDesc: "Clothes",
         arrivedDate: DateTime(2020, 6, 1),
+        width: 10,
+        height: 10,
+        length: 10,
         packages: packages,
-        statusHistory: statusHistory),
+        statusHistory: statusHistory,
+        cargoTypes: [
+          Cargo(type: 'General Cargo', weight: 25),
+          Cargo(type: 'Medicine', weight: 20),
+          Cargo(type: 'Dangerous Cargo', weight: 30)
+        ]),
     Box(
         shipmentNumber: "A202",
         receiverNumber: "3",
@@ -43,13 +53,21 @@ class BoxModel extends BaseModel {
         boxNumber: "2",
         rate: 7,
         packageType: "General",
-        weight: 20,
+        weight: 75,
         status: "Packed",
         cargoDesc: "Clothes",
         arrivedDate: DateTime(2020, 6, 1),
+        width: 10,
+        height: 10,
+        length: 10,
         statusHistory: statusHistory,
         packages: packages,
-        receiverAddress: '1 Bo Yar Nyunt St.\nDagon Tsp, Yangon'),
+        receiverAddress: '1 Bo Yar Nyunt St.\nDagon Tsp, Yangon',
+        cargoTypes: [
+          Cargo(type: 'General Cargo', weight: 25),
+          Cargo(type: 'Medicine', weight: 20),
+          Cargo(type: 'Dangerous Cargo', weight: 30)
+        ]),
     Box(
         shipmentNumber: "A202",
         receiverNumber: "3",
@@ -57,13 +75,21 @@ class BoxModel extends BaseModel {
         boxNumber: "3",
         rate: 7,
         packageType: "General",
-        weight: 15,
+        weight: 75,
         cargoDesc: "Shoes",
         status: "Packed",
         arrivedDate: DateTime(2020, 6, 1),
+        width: 10,
+        height: 10,
+        length: 10,
         statusHistory: statusHistory,
         packages: packages,
-        receiverAddress: '1 Bo Yar Nyunt St.\nDagon Tsp, Yangon'),
+        receiverAddress: '1 Bo Yar Nyunt St.\nDagon Tsp, Yangon',
+        cargoTypes: [
+          Cargo(type: 'General Cargo', weight: 25),
+          Cargo(type: 'Medicine', weight: 20),
+          Cargo(type: 'Dangerous Cargo', weight: 30)
+        ]),
     Box(
         shipmentNumber: "A202",
         receiverNumber: "2",
@@ -71,13 +97,21 @@ class BoxModel extends BaseModel {
         boxNumber: "1",
         rate: 8,
         packageType: "Medicine",
-        weight: 15,
+        weight: 75,
         status: "Packed",
         cargoDesc: "Dietary supplement",
         arrivedDate: DateTime(2020, 6, 1),
+        width: 10,
+        height: 10,
+        length: 10,
         statusHistory: statusHistory,
         packages: packages,
-        receiverAddress: '2 Shwe Taung Kyar St, Bahan Tsp, Yangon'),
+        receiverAddress: '2 Shwe Taung Kyar St, Bahan Tsp, Yangon',
+        cargoTypes: [
+          Cargo(type: 'General Cargo', weight: 25),
+          Cargo(type: 'Medicine', weight: 20),
+          Cargo(type: 'Dangerous Cargo', weight: 30)
+        ]),
     Box(
         shipmentNumber: "A202",
         receiverNumber: "2",
@@ -86,12 +120,20 @@ class BoxModel extends BaseModel {
         rate: 7,
         packageType: "General",
         cargoDesc: "Handbags",
-        weight: 55,
+        weight: 75,
         status: "Shipped",
         arrivedDate: DateTime(2020, 6, 1),
+        width: 10,
+        height: 10,
+        length: 10,
         statusHistory: statusHistory,
         packages: packages,
-        receiverAddress: '2 Shwe Taung Kyar St, Bahan Tsp, Yangon'),
+        receiverAddress: '2 Shwe Taung Kyar St, Bahan Tsp, Yangon',
+        cargoTypes: [
+          Cargo(type: 'General Cargo', weight: 25),
+          Cargo(type: 'Medicine', weight: 20),
+          Cargo(type: 'Dangerous Cargo', weight: 30)
+        ]),
     Box(
         shipmentNumber: "A201",
         receiverNumber: "1",
@@ -100,12 +142,20 @@ class BoxModel extends BaseModel {
         rate: 9,
         packageType: "Dangerous",
         cargoDesc: "Phones and Scooters",
-        weight: 25,
+        weight: 75,
         status: "Delivered",
         arrivedDate: DateTime(2020, 5, 21),
+        width: 10,
+        height: 10,
+        length: 10,
         statusHistory: statusHistory,
         packages: packages,
-        receiverAddress: '3 Kambzwza St, Bahan Tsp, Yangon'),
+        receiverAddress: '3 Kambzwza St, Bahan Tsp, Yangon',
+        cargoTypes: [
+          Cargo(type: 'General Cargo', weight: 25),
+          Cargo(type: 'Medicine', weight: 20),
+          Cargo(type: 'Dangerous Cargo', weight: 30)
+        ]),
     Box(
         shipmentNumber: "A201",
         receiverNumber: "1",
@@ -114,12 +164,20 @@ class BoxModel extends BaseModel {
         rate: 7,
         packageType: "General",
         cargoDesc: "Construction tools",
-        weight: 5,
+        weight: 75,
         status: "Delivered",
         arrivedDate: DateTime(2020, 5, 21),
+        width: 10,
+        height: 10,
+        length: 10,
         statusHistory: statusHistory,
         packages: packages,
-        receiverAddress: '3 Kambzwza St, Bahan Tsp, Yangon'),
+        receiverAddress: '3 Kambzwza St, Bahan Tsp, Yangon',
+        cargoTypes: [
+          Cargo(type: 'General Cargo', weight: 25),
+          Cargo(type: 'Medicine', weight: 20),
+          Cargo(type: 'Dangerous Cargo', weight: 30)
+        ]),
   ];
 
   List<Box> get completed {