Files
fcs/lib/model/announcement_model.dart
2020-05-29 07:45:27 +06:30

62 lines
1.7 KiB
Dart

import 'dart:async';
import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:fcs/vo/announcement.dart';
import 'base_model.dart';
import 'constants.dart';
import 'firebase_helper.dart';
class AnnouncementModel extends BaseModel {
List<Announcement> announcements = [];
void initUser(user) {
super.initUser(user);
_loadAnnouncements();
}
@override
logout() async {
announcements = [];
}
Future<void> _loadAnnouncements() async {
Stream<QuerySnapshot> snapshots = Firestore.instance
.collection(
"/$biz_collection/${setting.okEnergyId}/$announcement_collection")
.snapshots();
snapshots.listen((snaps) async {
announcements = snaps.documents.map((documentSnapshot) {
var data = Announcement.fromMap(
documentSnapshot.data, documentSnapshot.documentID);
return data;
}).toList();
notifyListeners();
});
}
Future<Announcement> getAnnouncement(String id) async {
String path = "/$biz_collection/${setting.okEnergyId}/$announcement_collection";
var snap = await getDocSnap(path, id);
return Announcement.fromMap(snap.data, snap.documentID);
}
Future<void> createAnnouncement(Announcement announcement) async {
await request("/announcement", "POST",
payload: announcement.toMap(), token: await getToken());
}
Future<void> updateAnnouncement(Announcement announcement) async {
await request("/announcement", "PUT",
payload: announcement.toMap(), token: await getToken());
}
Future<void> deleteAnnouncement(Announcement announcement) async {
await request("/announcement", "DELETE",
payload: announcement.toMap(), token: await getToken());
}
}