add invoice pdf

lib/domain/entities/cargo_type.dart

@@ -4,7 +4,7 @@ class CargoType {
   double rate;
   double weight;
 
-  double amount;
+  double get calAmount => (calRate ?? 0) * (calWeight ?? 0);
 
   double calRate;
   double calWeight;
@@ -16,9 +16,16 @@ class CargoType {
       rate: map['rate']?.toDouble() ?? 0,
       weight: map['weight']?.toDouble() ?? 0,
       calWeight: map['cal_weight']?.toDouble() ?? 0,
+      calRate: map['cal_rate']?.toDouble() ?? 0,
     );
   }
-  CargoType({this.id, this.name, this.rate, this.weight, this.calWeight});
+  CargoType(
+      {this.id,
+      this.name,
+      this.rate,
+      this.weight,
+      this.calWeight,
+      this.calRate});
 
   Map<String, dynamic> toMap() {
     return {
@@ -27,6 +34,7 @@ class CargoType {
       'rate': rate,
       'weight': weight,
       'cal_weight': calWeight,
+      'cal_rate': calRate,
     };
   }
 

lib/domain/entities/carton.dart

@@ -171,7 +171,7 @@ class Carton {
       'length': length,
       'width': width,
       'height': height,
-      'delivery_address': deliveryAddress.toMap(),
+      'delivery_address': deliveryAddress?.toMap(),
       'carton_type': cartonType,
       'mix_carton_id': mixCartonID,
     };

lib/domain/entities/invoice.dart

@@ -1,3 +1,4 @@
+import 'package:cloud_firestore/cloud_firestore.dart';
 import 'package:fcs/domain/entities/cargo_type.dart';
 import 'package:fcs/domain/entities/carton.dart';
 import 'package:fcs/domain/entities/custom_duty.dart';
@@ -13,6 +14,7 @@ class Invoice {
   DateTime invoiceDate;
   String fcsShipmentID;
   String userID;
+  String fcsID;
   String userName;
   String phoneNumber;
   String status;
@@ -28,20 +30,23 @@ class Invoice {
   List<Shipment> shipments;
   Discount discount;
   PaymentMethod paymentMethod;
+  String invoiceURL;
 
   List<CargoType> getCargoTypes(Rate rate) {
-    List<CargoType> cargoTypes = [];
+    if (cargoTypes != null) return cargoTypes;
+
+    List<CargoType> _cargoTypes = [];
     double totalCalWeight = 0;
     cartons.forEach((carton) {
       if (carton.isChecked) {
         var _cartonsTypes =
             carton.getCargoTypeForCalWeight(rate.volumetricRatio);
         _cartonsTypes.forEach((ct) {
-          if (cargoTypes.contains(ct)) {
-            CargoType existing = cargoTypes.firstWhere((wc) => wc.id == ct.id);
+          if (_cargoTypes.contains(ct)) {
+            CargoType existing = _cargoTypes.firstWhere((wc) => wc.id == ct.id);
             existing.calWeight += ct.calWeight;
           } else {
-            cargoTypes.add(ct.clone());
+            _cargoTypes.add(ct.clone());
           }
           totalCalWeight += ct.calWeight;
         });
@@ -51,25 +56,23 @@ class Invoice {
     DiscountByWeight discountByWeight =
         rate.getDiscountByWeight(totalCalWeight);
 
-    cargoTypes.forEach((e) {
+    _cargoTypes.forEach((e) {
       double r =
           e.rate - (discountByWeight != null ? discountByWeight.discount : 0);
-      double amount = e.calWeight * r;
       e.calRate = r;
-      e.amount = amount;
     });
-    return cargoTypes;
+    return _cargoTypes;
   }
 
   double getTotal(Rate rate) {
     List<CargoType> cargoTypes = getCargoTypes(rate);
-    var total = cargoTypes.fold(0.0, (p, c) => c.amount + p);
+    var total = cargoTypes.fold(0.0, (p, c) => c.calAmount + p);
     return total;
   }
 
   double getNetAmount(Rate rate) {
     List<CargoType> cargoTypes = getCargoTypes(rate);
-    var total = cargoTypes.fold(0.0, (p, c) => c.amount + p);
+    var total = cargoTypes.fold(0.0, (p, c) => c.calAmount + p);
     total += getCustomFee();
     total += getDeliveryFee();
     total += getHandlingFee();
@@ -78,7 +81,7 @@ class Invoice {
   }
 
   double getHandlingFee() {
-    return shipments?.where((sh) => sh.isSelected)?.fold(0, (p, s) {
+    return shipments?.where((sh) => sh.isSelected ?? false)?.fold(0, (p, s) {
       return p + (s?.handlingFee ?? 0) - (s?.paidHandlingFee ?? 0);
     });
   }
@@ -97,33 +100,65 @@ class Invoice {
 
   double getDiscount() => discount == null ? 0 : discount.amount;
 
-  Invoice({
-    this.id,
-    this.invoiceNumber,
-    this.invoiceDate,
-    this.userName,
-    this.phoneNumber,
-    this.amount,
-    this.discount,
-    this.status,
-    this.customDuties,
-    this.cartons,
-    this.cargoTypes,
-    this.handlingFee,
-    this.fcsShipmentID,
-    this.shipments,
-  });
+  Invoice(
+      {this.id,
+      this.invoiceNumber,
+      this.invoiceDate,
+      this.fcsID,
+      this.userName,
+      this.phoneNumber,
+      this.amount,
+      this.discount,
+      this.status,
+      this.customDuties,
+      this.cartons,
+      this.cargoTypes,
+      this.handlingFee,
+      this.deliveryFee,
+      this.fcsShipmentID,
+      this.shipments,
+      this.invoiceURL,
+      this.paymentMethod});
 
   factory Invoice.fromMap(Map<String, dynamic> map, String docID) {
+    var invd = (map['invoice_date'] as Timestamp);
+    var cargoTypesMaps =
+        List<Map<String, dynamic>>.from(map['cargo_types'] ?? []);
+    var cargoTypes =
+        cargoTypesMaps.map((e) => CargoType.fromMap(e, e["id"])).toList();
+    var customDutiesMap =
+        List<Map<String, dynamic>>.from(map['custom_duties'] ?? []);
+    var customDuties =
+        customDutiesMap.map((e) => CustomDuty.fromMap(e, e["id"])).toList();
+    var handlingShipmentsMap =
+        List<Map<String, dynamic>>.from(map['handling_fee_shipments'] ?? []);
+    var handingShipments =
+        handlingShipmentsMap.map((e) => Shipment.fromMap(e, e["id"])).toList();
+    var cartonsMap = List<Map<String, dynamic>>.from(map['cartons'] ?? []);
+    var cartons = cartonsMap.map((e) => Carton.fromMap(e, e["id"])).toList();
+    var paymentMethodMap = map['payment_method'];
+    var paymentMethod = paymentMethodMap != null
+        ? PaymentMethod.fromMap(paymentMethodMap, paymentMethodMap['id'])
+        : null;
+    var discountMap = map['discount'];
+    var discount = Discount.fromMap(discountMap, discountMap['id']);
     return Invoice(
       id: docID,
       invoiceNumber: map['invoice_number'],
-      invoiceDate: map['invoice_date'],
+      invoiceDate: invd?.toDate(),
       userName: map['user_name'],
+      fcsID: map['fcs_id'],
       phoneNumber: map['phone_number'],
       amount: map['amount'],
       status: map['status'],
-      discount: map['discount'],
+      cartons: cartons,
+      cargoTypes: cargoTypes,
+      shipments: handingShipments,
+      customDuties: customDuties,
+      deliveryFee: map['delivery_fee'],
+      invoiceURL: map['invoice_url'],
+      paymentMethod: paymentMethod,
+      discount: discount,
     );
   }
 
@@ -131,17 +166,24 @@ class Invoice {
     List _cargoTypes = cargoTypes.map((c) => c.toMap()).toList();
     List _customDuties = customDuties?.map((c) => c.toMap())?.toList();
     List _cartons = cartons?.map((c) => c.toMap())?.toList() ?? [];
+    List _shipments = shipments?.map((s) => s.toMap())?.toList() ?? [];
     return {
       "id": id,
-      "invoice_date": invoiceDate,
+      "invoice_date": invoiceDate?.toUtc()?.toIso8601String(),
       "user_id": userID,
+      "user_name": userName,
+      "invoice_number": invoiceNumber,
       'fcs_shipment_id': fcsShipmentID,
       'cargo_types': _cargoTypes,
       'custom_duties': _customDuties,
+      'handling_fee_shipments': _shipments,
       'cartons': _cartons,
       'discount': discount?.toMap(),
+      'amount': amount,
       'handling_fee': handlingFee,
       'delivery_fee': deliveryFee,
+      'invoice_url': invoiceURL,
+      'payment_method': paymentMethod?.toMap(),
     };
   }
 }

lib/domain/entities/shipment.dart

@@ -100,7 +100,7 @@ class Shipment {
   }
 
   Map<String, dynamic> toMap() {
-    List _boxes = boxes.map((l) => l.toMap()).toList();
+    List _boxes = boxes?.map((l) => l.toMap())?.toList() ?? [];
 
     return {
       "id": id,