add fcs shipment apis

lib/domain/entities/fcs_shipment.dart

@@ -1,6 +1,9 @@
+import 'package:cloud_firestore/cloud_firestore.dart';
+
+import '../constants.dart';
+
 class FcsShipment {
   String id;
-  DateTime shipDate;
   String shipmentNumber;
   DateTime cutoffDate;
   String shipType;
@@ -10,25 +13,41 @@ class FcsShipment {
   String port;
   String destination;
   String status;
-  String remark;
-  FcsShipment(
-      {this.id,
-      this.shipDate,
-      this.shipmentNumber,
-      this.cutoffDate,
-      this.shipType,
-      this.status,
-      this.arrivalDate,
-      this.departureDate,
-      this.consignee,
-      this.port,
-      this.destination,
-      this.remark});
+  FcsShipment({
+    this.id,
+    this.shipmentNumber,
+    this.cutoffDate,
+    this.shipType,
+    this.status,
+    this.arrivalDate,
+    this.departureDate,
+    this.consignee,
+    this.port,
+    this.destination,
+  });
+
+  factory FcsShipment.fromMap(Map<String, dynamic> map, String docID) {
+    var _cutoffDate = (map['cutoff_date'] as Timestamp);
+    var _arrivalDate = (map['arrival_date'] as Timestamp);
+    var _departureDate = (map['departure_date'] as Timestamp);
+
+    return FcsShipment(
+      id: docID,
+      cutoffDate: _cutoffDate != null ? _cutoffDate.toDate() : null,
+      arrivalDate: _arrivalDate != null ? _arrivalDate.toDate() : null,
+      departureDate: _departureDate != null ? _departureDate.toDate() : null,
+      shipmentNumber: map['shipment_number'],
+      shipType: map['shipment_type'],
+      status: map['status'],
+      consignee: map['consignee'],
+      port: map['port'],
+      destination: map['destination'],
+    );
+  }
 
   Map<String, dynamic> toMap() {
     return {
       "id": id,
-      'shipment_date': shipDate?.toUtc()?.toIso8601String(),
       'shipment_number': shipmentNumber,
       'cutoff_date': cutoffDate?.toUtc()?.toIso8601String(),
       'shipment_type': shipType,
@@ -38,7 +57,10 @@ class FcsShipment {
       'port': port,
       'destination': destination,
       'status': status,
-      'remark': remark,
     };
   }
+
+  bool isConfirmed() {
+    return status == fcs_shipment_confirmed_status;
+  }
 }