40 lines
1.4 KiB
Dart
40 lines
1.4 KiB
Dart
import 'package:mqtt_client/mqtt_server_client.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:mqtt_client/mqtt_client.dart';
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class BusinessLogic {
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static Future<SharedPreferences> loadPreferences() async {
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return await SharedPreferences.getInstance();
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}
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static Future<void> savePreferences(Map<String, bool> prefs) async {
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final SharedPreferences sharedPrefs = await SharedPreferences.getInstance();
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prefs.forEach((key, value) async {
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await sharedPrefs.setBool(key, value);
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});
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}
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static void publishMessage(
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MqttServerClient client, String topic, String message) {
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final builder = MqttClientPayloadBuilder();
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builder.addString(message);
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client.publishMessage(topic, MqttQos.atLeastOnce, builder.payload!);
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}
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static Future<void> saveTDSValues(double initialTDS, double finalTDS) async {
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final SharedPreferences prefs = await SharedPreferences.getInstance();
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await prefs.setDouble('initialTDS', initialTDS);
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await prefs.setDouble('finalTDS', finalTDS);
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}
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static Future<Map<String, double>> getTDSValues() async {
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final SharedPreferences prefs = await SharedPreferences.getInstance();
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final initialTDS = prefs.getDouble('initialTDS') ?? 0.0;
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final finalTDS = prefs.getDouble('finalTDS') ?? 0.0;
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return {
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'initialTDS': initialTDS,
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'finalTDS': finalTDS,
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};
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}
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}
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