38 lines
1.0 KiB
Dart
38 lines
1.0 KiB
Dart
import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:firebase_database/firebase_database.dart';
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import '../models/ir_received_model.dart';
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import '../services/firebase_service.dart';
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class IrProvider extends ChangeNotifier {
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IrReceivedModel? _lastSignal;
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IrReceivedModel? get lastSignal => _lastSignal;
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StreamSubscription<DatabaseEvent>? _subscription;
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void startListening() {
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_subscription?.cancel();
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// ESP32 terbaru: saveIrReceived menggunakan setJSON (flat object) bukan pushJSON
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// Gunakan onValue untuk mendengarkan perubahan flat object di /ir_received
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_subscription = FirebaseService.irReceivedRef.onValue.listen((event) {
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if (event.snapshot.value == null) return;
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try {
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final data = Map<dynamic, dynamic>.from(event.snapshot.value as Map);
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_lastSignal = IrReceivedModel.fromMap(data);
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notifyListeners();
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} catch (_) {
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// Abaikan error parsing
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}
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});
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}
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@override
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void dispose() {
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_subscription?.cancel();
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super.dispose();
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}
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}
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