add paginator in boxes and deliveries
This commit is contained in:
Thinzar Win
395
lib/pages/delivery/model/delivery_model.dart
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395
lib/pages/delivery/model/delivery_model.dart
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import 'dart:async';
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import 'package:cloud_firestore/cloud_firestore.dart';
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import 'package:fcs/domain/constants.dart';
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import 'package:fcs/domain/entities/box.dart';
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import 'package:fcs/domain/entities/cargo_type.dart';
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import 'package:fcs/domain/entities/package.dart';
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import 'package:fcs/domain/vo/message.dart';
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import 'package:fcs/domain/vo/shipment_status.dart';
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import 'package:fcs/domain/vo/delivery_address.dart';
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import 'package:fcs/helpers/paginator.dart';
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import 'package:fcs/pages/main/model/base_model.dart';
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import 'package:logging/logging.dart';
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class DeliveryModel extends BaseModel {
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List<Box> _cartons = [];
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final log = Logger('BoxModel');
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List<Box> get cartons =>
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_selectedIndex == 1 ? _cartons : List<Box>.from(_delivered.values);
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Paginator _delivered;
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int _selectedIndex = 1;
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bool isLoading = false;
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StreamSubscription<QuerySnapshot> listener;
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static List<ShipmentStatus> statusHistory = [
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ShipmentStatus(status: "Packed", date: DateTime(2020, 6, 1), done: true),
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ShipmentStatus(status: "Shipped", date: DateTime(2020, 6, 5), done: false),
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ShipmentStatus(
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status: "Delivered", date: DateTime(2020, 6, 15), done: false)
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];
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static List<Package> packages = [
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// PackageModel.packages[0],
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// PackageModel.packages[1],
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// PackageModel.packages[2]
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];
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List<Box> cartonList = [
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Box(
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shipmentNumber: "A202",
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receiverNumber: "3",
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receiverName: "Ko Myo Min",
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boxNumber: "1",
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rate: 7,
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packageType: "General",
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weight: 75,
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status: "Packed",
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receiverAddress: '1 Bo Yar Nyunt St.\nDagon Tsp, Yangon',
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cargoDesc: "Clothes",
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desc: "Desc 1",
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cartonType: carton_from_packages,
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arrivedDate: DateTime(2020, 6, 1),
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width: 10,
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height: 10,
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length: 10,
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shipmentWeight: 6,
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packages: packages,
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shipmentHistory: statusHistory,
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deliveryAddress: DeliveryAddress(
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fullName: 'U Nyi Nyi',
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addressLine1: '154-19 64th Ave.',
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addressLine2: 'Flushing',
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city: 'NY',
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state: 'NY',
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phoneNumber: '+1 (292)215-2247'),
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cargoTypes: [
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CargoType(name: 'General', weight: 25),
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CargoType(name: 'Medicine', weight: 20),
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CargoType(name: 'Dangerous', weight: 30)
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]),
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Box(
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shipmentNumber: "A203",
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receiverNumber: "3",
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receiverName: "Ko Myo Min",
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boxNumber: "2",
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rate: 7,
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packageType: "General",
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weight: 75,
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status: "Packed",
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cargoDesc: "Clothes",
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desc: "Desc 2",
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arrivedDate: DateTime(2020, 6, 1),
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width: 10,
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height: 20,
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length: 30,
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shipmentWeight: 36,
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shipmentHistory: statusHistory,
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packages: packages,
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receiverAddress: '1 Bo Yar Nyunt St.\nDagon Tsp, Yangon',
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cartonType: carton_from_shipments,
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deliveryAddress: DeliveryAddress(
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fullName: 'Mg Myo',
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addressLine1: '153-154 5th Thitsar.',
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addressLine2: 'South Okkalapa Township',
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city: 'Yangon',
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state: 'Myanmar',
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phoneNumber: '+09 95724 8750'),
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cargoTypes: [
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CargoType(name: 'General', weight: 25),
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CargoType(name: 'Medicine', weight: 20),
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CargoType(name: 'Dangerous', weight: 30)
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]),
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Box(
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shipmentNumber: "A204",
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receiverNumber: "3",
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receiverName: "Ko Myo Min",
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boxNumber: "3",
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rate: 7,
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packageType: "General",
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weight: 75,
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cargoDesc: "Shoes",
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status: "Packed",
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desc: "Desc 3",
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cartonType: carton_mix_box,
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arrivedDate: DateTime(2020, 6, 1),
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width: 10,
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height: 10,
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length: 10,
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shipmentWeight: 6,
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shipmentHistory: statusHistory,
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packages: packages,
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receiverAddress: '1 Bo Yar Nyunt St.\nDagon Tsp, Yangon',
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deliveryAddress: DeliveryAddress(
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fullName: 'Mg Myo',
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addressLine1: '153-154 5th Thitsar.',
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addressLine2: 'South Okkalapa Township',
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city: 'Yangon',
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state: 'Myanmar',
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phoneNumber: '+09 95724 8750'),
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cargoTypes: [
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CargoType(name: 'General', weight: 25),
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CargoType(name: 'Medicine', weight: 20),
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CargoType(name: 'Dangerous', weight: 30)
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]),
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Box(
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shipmentNumber: "A202",
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receiverNumber: "2",
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receiverName: "Ma Aye",
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boxNumber: "1",
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rate: 8,
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packageType: "Medicine",
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weight: 75,
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status: "Packed",
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cargoDesc: "Dietary supplement",
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desc: "Desc 4",
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arrivedDate: DateTime(2020, 6, 1),
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width: 10,
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height: 10,
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length: 10,
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shipmentWeight: 6,
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shipmentHistory: statusHistory,
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packages: packages,
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receiverAddress: '2 Shwe Taung Kyar St, Bahan Tsp, Yangon',
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deliveryAddress: DeliveryAddress(
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fullName: 'U Nyi Nyi',
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addressLine1: '154-19 64th Ave.',
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addressLine2: 'Flushing',
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city: 'NY',
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state: 'NY',
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phoneNumber: '+1 (292)215-2247'),
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cargoTypes: [
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CargoType(name: 'General', weight: 25),
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CargoType(name: 'Medicine', weight: 20),
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CargoType(name: 'Dangerous', weight: 30)
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]),
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Box(
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shipmentNumber: "A202",
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receiverNumber: "2",
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receiverName: "Ma Aye",
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boxNumber: "3",
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rate: 7,
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packageType: "General",
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cargoDesc: "Handbags",
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weight: 75,
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status: "Arrived",
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arrivedDate: DateTime(2020, 6, 1),
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width: 10,
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height: 10,
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length: 10,
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shipmentWeight: 6,
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shipmentHistory: statusHistory,
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packages: packages,
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receiverAddress: '2 Shwe Taung Kyar St, Bahan Tsp, Yangon',
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deliveryAddress: DeliveryAddress(
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fullName: 'U Nyi Nyi',
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addressLine1: '154-19 64th Ave.',
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addressLine2: 'Flushing',
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city: 'NY',
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state: 'NY',
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phoneNumber: '+1 (292)215-2247'),
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cargoTypes: [
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CargoType(name: 'General', weight: 25),
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CargoType(name: 'Medicine', weight: 20),
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CargoType(name: 'Dangerous', weight: 30)
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]),
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Box(
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shipmentNumber: "A202",
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receiverNumber: "2",
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receiverName: "Ma Aye",
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boxNumber: "2",
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rate: 7,
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packageType: "General",
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cargoDesc: "Handbags",
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weight: 75,
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status: "Shipped",
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arrivedDate: DateTime(2020, 6, 1),
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width: 10,
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height: 10,
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length: 10,
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shipmentWeight: 6,
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shipmentHistory: statusHistory,
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packages: packages,
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receiverAddress: '2 Shwe Taung Kyar St, Bahan Tsp, Yangon',
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deliveryAddress: DeliveryAddress(
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fullName: 'U Nyi Nyi',
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addressLine1: '154-19 64th Ave.',
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addressLine2: 'Flushing',
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city: 'NY',
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state: 'NY',
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phoneNumber: '+1 (292)215-2247'),
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cargoTypes: [
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CargoType(name: 'General', weight: 25),
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CargoType(name: 'Medicine', weight: 20),
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CargoType(name: 'Dangerous', weight: 30)
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]),
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Box(
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shipmentNumber: "A201",
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receiverNumber: "1",
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receiverName: "Ko Wai",
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boxNumber: "1",
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rate: 9,
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packageType: "Dangerous",
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cargoDesc: "Phones and Scooters",
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weight: 75,
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status: "Delivered",
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arrivedDate: DateTime(2020, 5, 21),
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width: 10,
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height: 10,
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length: 10,
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shipmentWeight: 6,
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shipmentHistory: statusHistory,
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packages: packages,
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receiverAddress: '3 Kambzwza St, Bahan Tsp, Yangon',
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deliveryAddress: DeliveryAddress(
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fullName: 'U Nyi Nyi',
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addressLine1: '154-19 64th Ave.',
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addressLine2: 'Flushing',
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city: 'NY',
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state: 'NY',
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phoneNumber: '+1 (292)215-2247'),
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cargoTypes: [
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CargoType(name: 'General', weight: 25),
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CargoType(name: 'Medicine', weight: 20),
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CargoType(name: 'Dangerous', weight: 30)
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]),
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Box(
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shipmentNumber: "A201",
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receiverNumber: "1",
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receiverName: "Ko Wai",
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boxNumber: "2",
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rate: 7,
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packageType: "General",
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cargoDesc: "Construction tools",
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weight: 75,
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status: "Delivered",
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arrivedDate: DateTime(2020, 5, 21),
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width: 10,
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height: 10,
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length: 10,
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shipmentWeight: 6,
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shipmentHistory: statusHistory,
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packages: packages,
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receiverAddress: '3 Kambzwza St, Bahan Tsp, Yangon',
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deliveryAddress: DeliveryAddress(
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fullName: 'U Nyi Nyi',
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addressLine1: '154-19 64th Ave.',
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addressLine2: 'Flushing',
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city: 'NY',
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state: 'NY',
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phoneNumber: '+1 (292)215-2247'),
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cargoTypes: [
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CargoType(name: 'General', weight: 25),
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CargoType(name: 'Medicine', weight: 20),
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CargoType(name: 'Dangerous', weight: 30)
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]),
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];
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List<String> cartonTypes = [
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carton_from_packages,
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carton_from_shipments,
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carton_mix_box
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];
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set selectedIndex(int index) {
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_selectedIndex = index;
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notifyListeners();
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}
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get selectedIndex => _selectedIndex;
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initData() {
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_selectedIndex = 1;
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_loadBoxes();
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if (_delivered != null) _delivered.close();
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// _delivered = _getDelivered();
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_delivered = _getDeliveredExample();
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_delivered.load();
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}
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int count = 0;
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Paginator _getDeliveredExample() {
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count = 1;
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var pageQuery = Firestore.instance
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.collection(
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"/users/8OTfsbVvsUOn1SLxy1OrKk7Y_yNKkVoGalPcIlcHnAY/messages")
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.orderBy("date", descending: true);
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var paginator = new Paginator(pageQuery, rowPerLoad: 20, toObj: (data, id) {
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var m = Message.fromMap(data, id);
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return Box(
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id: m.id,
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shipmentNumber: m.message,
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boxNumber: "1",
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receiverNumber: "3",
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rate: 0,
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weight: 0,
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arrivedDate: m.date,
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);
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});
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return paginator;
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}
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Future<void> _loadBoxes() async {
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if (user == null || !user.hasDeliveries()) return;
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String path = "/$boxes_collection/";
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if (listener != null) listener.cancel();
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_cartons = [];
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try {
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listener = Firestore.instance
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.collection("$path")
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.snapshots()
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.listen((QuerySnapshot snapshot) {
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_cartons.clear();
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_cartons = snapshot.documents.map((documentSnapshot) {
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var s =
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Box.fromMap(documentSnapshot.data, documentSnapshot.documentID);
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return s;
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}).toList();
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notifyListeners();
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});
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} catch (e) {
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log.warning("Error!! $e");
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}
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}
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Paginator _getDelivered() {
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if (user == null || !user.hasDeliveries()) return null;
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var pageQuery = Firestore.instance
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.collection("/$boxes_collection")
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.where("is_delivered", isEqualTo: true)
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.where("is_deleted", isEqualTo: false);
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var paginator = new Paginator(pageQuery, rowPerLoad: 20, toObj: (data, id) {
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return Box.fromMap(data, id);
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});
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return paginator;
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}
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Future<void> loadMore() async {
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if (_delivered.ended) return;
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isLoading = true;
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notifyListeners();
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await _delivered.load(onFinished: () {
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isLoading = false;
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notifyListeners();
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});
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}
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Future<void> refresh() async {
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await _delivered.refresh(onFinished: () {
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notifyListeners();
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});
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}
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void initUser(user) {
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super.initUser(user);
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}
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@override
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logout() async {
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if (listener != null) await listener.cancel();
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if (_delivered != null) _delivered.close();
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_cartons = [];
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}
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}
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Reference in New Issue
Block a user