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fcs/lib/fcs/common/pages/package/model/package_model.dart
Sai Naw Wun 1ed6f4f00e add packages
2020-09-16 02:29:50 +06:30

64 lines
1.8 KiB
Dart

import 'dart:async';
import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:fcs/fcs/common/domain/constants.dart';
import 'package:fcs/fcs/common/domain/entities/package.dart';
import 'package:fcs/fcs/common/domain/entities/user.dart';
import 'package:fcs/fcs/common/pages/model/base_model.dart';
import 'package:fcs/fcs/common/services/services.dart';
import 'package:logging/logging.dart';
class PackageModel extends BaseModel {
final log = Logger('PackageModel');
StreamSubscription<QuerySnapshot> listener;
List<Package> packages = [];
void initUser(user) {
super.initUser(user);
_loadPackages();
}
@override
logout() async {
if (listener != null) await listener.cancel();
packages = [];
}
Future<void> _loadPackages() async {
if (user == null) return;
String path = "";
if (user.isCustomer()) {
path = "/$user_collection/${user.id}/$packages_collection";
} else {
path = "/$packages_collection";
}
try {
listener = Firestore.instance
.collection("$path")
.where("is_delivered", isEqualTo: false)
.snapshots()
.listen((QuerySnapshot snapshot) {
packages.clear();
packages = snapshot.documents.map((documentSnapshot) {
var package = Package.fromMap(
documentSnapshot.data, documentSnapshot.documentID);
return package;
}).toList();
notifyListeners();
});
} catch (e) {
log.warning("Error!! $e");
}
}
Future<List<User>> searchUser(String term) {
return Services.instance.userService.searchUser(term);
}
Future<void> createPackages(User user, List<Package> packages) {
return Services.instance.packageService
.createPackages(packages, user.fcsID);
}
}