117 lines
3.3 KiB
Dart
117 lines
3.3 KiB
Dart
import 'dart:async';
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import 'package:cloud_firestore/cloud_firestore.dart';
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import 'package:fcs/data/services/services.dart';
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import 'package:fcs/domain/constants.dart';
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import 'package:fcs/domain/entities/carton.dart';
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import 'package:fcs/domain/vo/message.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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final log = Logger('DeliveryModel');
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List<Carton> get cartons =>
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_selectedIndex == 1 ? _cartons : List<Carton>.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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List<Carton> _cartons = [];
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StreamSubscription<QuerySnapshot>? listener;
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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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int get selectedIndex => _selectedIndex;
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initData() {
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_selectedIndex = 1;
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_loadCartons();
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if (_delivered != null) _delivered!.close();
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_delivered = _getDelivered();
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_delivered!.load();
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}
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Future<void> _loadCartons() async {
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if (user == null || !user!.hasDeliveries()) return;
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String path = "/$cartons_collection/";
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if (listener != null) listener!.cancel();
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_cartons = [];
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try {
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listener = FirebaseFirestore.instance
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.collection("$path")
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.where("status", isEqualTo: carton_shipped_status)
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.where("carton_type", whereIn: [
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carton_from_packages,
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carton_from_shipments,
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carton_small_bag
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])
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.where("is_deleted", isEqualTo: false)
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.orderBy("carton_number", descending: false)
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.snapshots()
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.listen((QuerySnapshot snapshot) {
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_cartons.clear();
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_cartons = snapshot.docs.map((documentSnapshot) {
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var s = Carton.fromMap(
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documentSnapshot.data as Map<String, dynamic>, documentSnapshot.id);
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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!! $e");
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}
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}
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Paginator _getDelivered() {
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if (user == null || !user!.hasDeliveries()) throw "No Privilege";
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var pageQuery = FirebaseFirestore.instance
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.collection("/$cartons_collection")
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.where("is_delivered", isEqualTo: true)
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.where("status", whereIn: [carton_delivered_status]).where("is_deleted",
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isEqualTo: false);
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var paginator = new Paginator(pageQuery, rowPerLoad: 20, toObj: (data, id) {
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return Carton.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 || _selectedIndex == 1) 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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if (_selectedIndex == 1) return;
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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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Future<void> deliver(Carton carton) {
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return Services.instance.cartonService.deliver(carton);
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}
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}
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