287 lines
8.9 KiB
Dart
287 lines
8.9 KiB
Dart
import 'dart:async';
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import 'dart:io';
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import 'package:fcs/data/services/services.dart';
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import 'package:fcs/domain/vo/message.dart';
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import 'package:fcs/helpers/pagination.dart';
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import 'package:path/path.dart' as Path;
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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/package.dart';
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import 'package:fcs/domain/entities/user.dart';
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import 'package:fcs/helpers/firebase_helper.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 PackageModel extends BaseModel {
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final log = Logger('PackageModel');
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StreamSubscription<QuerySnapshot> listener;
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StreamSubscription<QuerySnapshot> customerPackageListener;
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Pagination pagination;
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List<Package> packages = [];
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List<Package> customerPackages = [];
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List<Package> deliveredPackages = [];
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bool endOfDeliveredPackages = false;
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bool isLoading = false;
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@override
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void privilegeChanged() {
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super.privilegeChanged();
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_loadPackages();
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_loadCustomerPackages();
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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 (customerPackageListener != null) await customerPackageListener.cancel();
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if (pagination != null) pagination.close();
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packages = [];
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customerPackages = [];
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deliveredPackages = [];
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}
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Future<void> initDeliveredPackages() {
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if (pagination != null) pagination.close();
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deliveredPackages = [];
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endOfDeliveredPackages = false;
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isLoading = false;
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var pageQuery = Firestore.instance
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.collection("/$packages_collection")
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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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.where("is_delivered", isEqualTo: true)
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.where("is_deleted", isEqualTo: false);
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if (user.isCustomer()) {
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pageQuery = pageQuery.where("user_id", isEqualTo: user.id);
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}
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pageQuery = pageQuery.orderBy("current_status_date", descending: true);
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pagination = new Pagination(pageQuery, rowPerLoad: 20);
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pagination.stream.listen((doc) {
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if (doc == null) {
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endOfDeliveredPackages = true;
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} else {
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deliveredPackages.add(Package.fromMap(doc.data, doc.documentID));
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// var m = Message.fromMap(doc.data, doc.documentID);
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// deliveredPackages.add(Package(
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// id: m.id,
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// status: package_delivered_status,
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// currentStatus: package_delivered_status,
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// currentStatusDate: m.date,
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// trackingID: (count++).toString(),
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// market: m.message));
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}
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});
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return null;
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}
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Future<bool> loadMoreDeliveredPackages() {
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if (pagination != null && !isLoading && !endOfDeliveredPackages) {
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isLoading = true;
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notifyListeners();
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pagination.load().then((value) {
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isLoading = false;
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notifyListeners();
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});
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}
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return null;
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}
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Future<void> _loadPackages() async {
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if (user == null ||
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!user.hasPackages() ||
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!user.hasReceiving() ||
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!user.hasProcessing()) return;
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String path = "/$packages_collection";
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if (listener != null) listener.cancel();
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packages = [];
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try {
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var q = Firestore.instance
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.collection("$path")
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.where("is_delivered", isEqualTo: false)
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.where("is_deleted", isEqualTo: false);
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listener = q.snapshots().listen((QuerySnapshot snapshot) {
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packages.clear();
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packages = snapshot.documents.map((documentSnapshot) {
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var package = Package.fromMap(
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documentSnapshot.data, documentSnapshot.documentID);
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return package;
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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!! $e");
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}
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}
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Future<void> _loadCustomerPackages() async {
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if (user == null) return;
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String path = "/$packages_collection";
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if (customerPackageListener != null) customerPackageListener.cancel();
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customerPackages = [];
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try {
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var q = Firestore.instance
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.collection("$path")
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.where("is_delivered", isEqualTo: false)
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.where("is_deleted", isEqualTo: false)
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.where("user_id", isEqualTo: user.id);
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customerPackageListener = q.snapshots().listen((QuerySnapshot snapshot) {
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customerPackages.clear();
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customerPackages = snapshot.documents.map((documentSnapshot) {
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var package = Package.fromMap(
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documentSnapshot.data, documentSnapshot.documentID);
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return package;
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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!! $e");
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}
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}
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Future<Package> getPackage(String id) async {
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if (user == null) return null;
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String path = "/$packages_collection";
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try {
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DocumentSnapshot snap =
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await Firestore.instance.collection("$path").document(id).get();
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if (snap.exists) {
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var package = Package.fromMap(snap.data, snap.documentID);
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return package;
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}
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} catch (e) {
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log.warning("Error!! $e");
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}
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return null;
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}
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Future<Package> lookupPackage(String trackingID) async {
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if (user == null) return null;
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String path = "/$packages_collection";
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try {
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var qsnap = await Firestore.instance
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.collection("$path")
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.where("tracking_id", isEqualTo: trackingID)
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.where("has_user_id", isEqualTo: false)
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.getDocuments(source: Source.server);
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if (qsnap.documents.length > 0) {
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var snap = qsnap.documents[0];
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if (snap.exists) {
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var package = Package.fromMap(snap.data, snap.documentID);
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return package;
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}
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}
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qsnap = await Firestore.instance
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.collection("$path")
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.where("tracking_id", isEqualTo: trackingID)
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.where("user_id", isEqualTo: user.id)
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.getDocuments(source: Source.server);
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if (qsnap.documents.length > 0) {
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var snap = qsnap.documents[0];
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if (snap.exists) {
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var package = Package.fromMap(snap.data, snap.documentID);
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return package;
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}
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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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return null;
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}
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Future<List<User>> searchUser(String term) {
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return Services.instance.userService.searchUser(term);
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}
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Future<List<Package>> searchPackage(String term) {
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return Services.instance.packageService.searchPackage(term);
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}
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Future<void> createPackages(User user, List<Package> packages) {
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return Services.instance.packageService
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.createPackages(packages, user.fcsID);
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}
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Future<void> createReceiving(
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User user, Package package, List<File> files) async {
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if (user != null) {
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package.fcsID = user.fcsID;
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}
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if (files != null) {
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if (files.length > 5) throw Exception("Exceed number of file upload");
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package.photoUrls = package.photoUrls == null ? [] : package.photoUrls;
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for (File f in files) {
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String path = Path.join(pkg_files_path);
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String url = await uploadStorage(path, f);
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package.photoUrls.add(url);
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}
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}
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return Services.instance.packageService.createReceiving(package);
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}
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Future<void> updateReceiving(User user, Package package, List<File> files,
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List<String> deletedUrls) async {
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if (user != null) {
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package.fcsID = user.fcsID;
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}
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if (deletedUrls != null) {
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for (String url in deletedUrls) {
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package.photoUrls.remove(url);
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}
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await deleteStorageFromUrls(deletedUrls);
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}
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if (files != null) {
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if (files.length > 5) throw Exception("Exceed number of file upload");
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package.photoUrls = package.photoUrls == null ? [] : package.photoUrls;
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for (File f in files) {
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String path = Path.join(pkg_files_path);
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String url = await uploadStorage(path, f);
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package.photoUrls.add(url);
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}
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}
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await Services.instance.packageService.updateReceiving(package);
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}
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Future<void> deleteReceiving(Package package) {
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return Services.instance.packageService.deleteReceiving(package);
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}
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Future<void> updateProcessing(
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Package package, List<File> files, List<String> deletedUrls) async {
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if (deletedUrls != null) {
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for (String url in deletedUrls) {
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package.photoUrls.remove(url);
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}
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await deleteStorageFromUrls(deletedUrls);
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}
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if (files != null) {
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if (files.length > 5) throw Exception("Exceed number of file upload");
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package.photoUrls = package.photoUrls == null ? [] : package.photoUrls;
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for (File f in files) {
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String path = Path.join(pkg_files_path);
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String url = await uploadStorage(path, f);
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package.photoUrls.add(url);
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}
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package.photoUrls.removeWhere((e) => deletedUrls.contains(e));
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}
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await Services.instance.packageService.updateProcessing(package);
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}
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Future<void> deleteProcessing(Package package) {
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return Services.instance.packageService.deleteProcessing(package);
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}
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}
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