153 lines
6.0 KiB
Dart
153 lines
6.0 KiB
Dart
import 'dart:convert';
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import '../../app_info.dart';
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import '../../domain/mission/drone_profile.dart';
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/// Baut die Export-Datei fuer ein Drohnenprofil (Doku 3.5, analog
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/// buildDroneExportObject()/shareDrone() im HTML-Demonstrator). Die id wird
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/// bewusst nicht mitexportiert - beim Import entsteht immer ein neues,
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/// eigenstaendiges Profil (siehe parseDroneImportJson()).
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String buildDroneExportJson(DroneProfile profile) {
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final map = {
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'appVersion': kAppVersion,
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'exportedAt': DateTime.now().toUtc().toIso8601String(),
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'drone': {
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'name': profile.name,
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'minSpeed': profile.minSpeed,
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'cruiseSpeed': profile.cruiseSpeed,
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'maxSpeed': profile.maxSpeed,
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'minTurnRadius': profile.minTurnRadius,
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'loiterRadius': profile.loiterRadius,
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'catchRadius': profile.catchRadius,
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'maxClimbRate': profile.maxClimbRate,
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'maxDescentRate': profile.maxDescentRate,
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'maxRangeM': profile.maxRangeM,
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'maxEnduranceMin': profile.maxEnduranceMin,
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'maxAltitudeM': profile.maxAltitudeM,
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'gpsSatGreenMin': profile.gpsSatGreenMin,
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'gpsSatRedMin': profile.gpsSatRedMin,
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'hdopGreenMax': profile.hdopGreenMax,
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'hdopRedMax': profile.hdopRedMax,
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'currentGreenMaxA': profile.currentGreenMaxA,
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'currentRedMaxA': profile.currentRedMaxA,
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'batteryVoltageGreenMinV': profile.batteryVoltageGreenMinV,
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'batteryVoltageRedMinV': profile.batteryVoltageRedMinV,
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'rxQualityGreenMin': profile.rxQualityGreenMin,
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'rxQualityRedMin': profile.rxQualityRedMin,
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'rxSnrGreenMinDb': profile.rxSnrGreenMinDb,
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'rxSnrRedMinDb': profile.rxSnrRedMinDb,
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},
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};
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return const JsonEncoder.withIndent(' ').convert(map);
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}
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/// Vorschlagsname fuer die geteilte Datei (Doku 3.5, analog
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/// `'drone-' + safeName + '.json'` im HTML-Demonstrator).
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String droneExportFilename(String name) {
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final safeName = name.replaceAll(RegExp(r'[^a-zA-Z0-9]'), '_');
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return 'drone-$safeName.json';
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}
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class ParsedDroneImport {
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const ParsedDroneImport({required this.profile, this.versionMismatch});
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final DroneProfile profile;
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/// Enthaelt die appVersion der Datei, falls sie sich von [kAppVersion] in
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/// der Hauptversionsnummer unterscheidet - sonst null.
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final String? versionMismatch;
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}
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const _requiredNumericFields = [
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'minSpeed',
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'cruiseSpeed',
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'maxSpeed',
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'minTurnRadius',
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'loiterRadius',
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'catchRadius',
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'maxClimbRate',
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'maxDescentRate',
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'maxRangeM',
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'maxEnduranceMin',
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'maxAltitudeM',
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];
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/// Parst eine importierte Drohnenprofil-Datei - wirft [FormatException] bei
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/// ungueltigem JSON oder fehlenden Pflichtfeldern (Doku 3.5, analog dem
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/// `change`-Handler von importDroneInput im HTML-Demonstrator).
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ParsedDroneImport parseDroneImportJson(String jsonText) {
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final Object? decoded;
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try {
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decoded = jsonDecode(jsonText);
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} on FormatException {
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throw const FormatException('Invalid drone profile file');
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}
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if (decoded is! Map<String, dynamic>) {
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throw const FormatException('Invalid drone profile file');
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}
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final droneData = decoded['drone'] ?? decoded;
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if (droneData is! Map<String, dynamic>) {
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throw const FormatException('Invalid drone profile file');
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}
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final name = droneData['name'];
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if (name is! String || name.isEmpty) {
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throw const FormatException('File is not a valid drone profile');
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}
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for (final field in _requiredNumericFields) {
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if (droneData[field] is! num) {
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throw const FormatException('File is not a valid drone profile');
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}
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}
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// Ampel-Schwellwerte (siehe DroneProfile-Doku) sind bewusst NICHT Teil von
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// _requiredNumericFields - aeltere, vor deren Einfuehrung exportierte
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// Profildateien haben diese Felder noch nicht und sollen trotzdem
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// importierbar bleiben (dann gelten die DroneProfile.default*-Werte).
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double numOrDefault(String field, double fallback) {
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final v = droneData[field];
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return v is num ? v.toDouble() : fallback;
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}
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final profile = DroneProfile(
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name: name,
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minSpeed: (droneData['minSpeed'] as num).toDouble(),
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cruiseSpeed: (droneData['cruiseSpeed'] as num).toDouble(),
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maxSpeed: (droneData['maxSpeed'] as num).toDouble(),
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minTurnRadius: (droneData['minTurnRadius'] as num).toDouble(),
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loiterRadius: (droneData['loiterRadius'] as num).toDouble(),
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catchRadius: (droneData['catchRadius'] as num).toDouble(),
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maxClimbRate: (droneData['maxClimbRate'] as num).toDouble(),
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maxDescentRate: (droneData['maxDescentRate'] as num).toDouble(),
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maxRangeM: (droneData['maxRangeM'] as num).toDouble(),
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maxEnduranceMin: (droneData['maxEnduranceMin'] as num).toDouble(),
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maxAltitudeM: (droneData['maxAltitudeM'] as num).toDouble(),
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gpsSatGreenMin: numOrDefault('gpsSatGreenMin', DroneProfile.defaultGpsSatGreenMin),
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gpsSatRedMin: numOrDefault('gpsSatRedMin', DroneProfile.defaultGpsSatRedMin),
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hdopGreenMax: numOrDefault('hdopGreenMax', DroneProfile.defaultHdopGreenMax),
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hdopRedMax: numOrDefault('hdopRedMax', DroneProfile.defaultHdopRedMax),
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currentGreenMaxA: numOrDefault('currentGreenMaxA', DroneProfile.defaultCurrentGreenMaxA),
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currentRedMaxA: numOrDefault('currentRedMaxA', DroneProfile.defaultCurrentRedMaxA),
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batteryVoltageGreenMinV: numOrDefault(
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'batteryVoltageGreenMinV',
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DroneProfile.defaultBatteryVoltageGreenMinV,
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),
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batteryVoltageRedMinV: numOrDefault(
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'batteryVoltageRedMinV',
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DroneProfile.defaultBatteryVoltageRedMinV,
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),
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rxQualityGreenMin: numOrDefault('rxQualityGreenMin', DroneProfile.defaultRxQualityGreenMin),
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rxQualityRedMin: numOrDefault('rxQualityRedMin', DroneProfile.defaultRxQualityRedMin),
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rxSnrGreenMinDb: numOrDefault('rxSnrGreenMinDb', DroneProfile.defaultRxSnrGreenMinDb),
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rxSnrRedMinDb: numOrDefault('rxSnrRedMinDb', DroneProfile.defaultRxSnrRedMinDb),
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);
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final appVersion = decoded['appVersion'] as String?;
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final mismatch = appVersion != null &&
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appVersion.split('.').first != kAppVersion.split('.').first
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? appVersion
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: null;
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return ParsedDroneImport(profile: profile, versionMismatch: mismatch);
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}
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