57 lines
1.4 KiB
Dart
57 lines
1.4 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/entities/discount.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 DiscountModel extends BaseModel {
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final log = Logger('DiscountModel');
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StreamSubscription<QuerySnapshot> listener;
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List<Discount> discounts = [];
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void initUser(user) {
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super.initUser(user);
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_load();
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}
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_load() {
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if (listener != null) listener.cancel();
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try {
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listener = Firestore.instance
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.collection("/discounts")
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.orderBy("code", descending: false)
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.snapshots()
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.listen((snaps) {
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discounts.clear();
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snaps.documents.forEach((d) {
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discounts.add(Discount.fromMap(d.data, d.documentID));
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});
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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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@override
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logout() async {
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discounts = [];
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}
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Future<void> addDiscount(Discount discount) async {
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return Services.instance.commonService.createDiscount(discount);
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}
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Future<void> updateDiscount(Discount discount) async {
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return Services.instance.commonService.updateDiscount(discount);
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}
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Future<void> deleteDiscount(Discount discount) async {
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return Services.instance.commonService.deleteDiscount(discount.id);
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}
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}
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