MotorSignal-App/lib/database/database.dart

209 lines
8.5 KiB
Dart

import 'dart:io';
import 'dart:math';
import 'package:drift/drift.dart';
import 'package:drift/native.dart';
import 'package:path_provider/path_provider.dart';
import 'package:path/path.dart' as p;
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'tables.dart';
part 'database.g.dart';
@DriftDatabase(tables: [Rides, PerformanceRuns, TelemetrySamples, RideEvents, GarageMotorcycles, FieldTestSessions, FieldTestEvents, FieldTestSummaries, FieldTestGpsRecords, FieldTestImuRecords])
class AppDatabase extends _$AppDatabase {
AppDatabase() : super(_openConnection());
AppDatabase.forTesting(super.e);
static final Random _random = Random.secure();
@override
int get schemaVersion => 7;
@override
MigrationStrategy get migration => MigrationStrategy(
onCreate: (Migrator m) async {
await m.createAll();
// cloudRideId is generated by Drift on fresh databases. The uniqueness
// constraint is kept as an explicit index so the nullable migration
// column remains compatible with older generated source versions.
await customStatement('CREATE UNIQUE INDEX IF NOT EXISTS rides_cloud_ride_id_idx ON rides(cloud_ride_id)');
},
onUpgrade: (Migrator m, int from, int to) async {
if (from < 2) {
await m.addColumn(rides, rides.distance);
await m.addColumn(rides, rides.movingTime);
await m.addColumn(rides, rides.stoppedTime);
await m.addColumn(rides, rides.averageSpeed);
await m.addColumn(rides, rides.topSpeed);
await m.addColumn(rides, rides.elevationGain);
await m.addColumn(rides, rides.elevationLoss);
await m.createTable(telemetrySamples);
await m.createTable(rideEvents);
}
if (from < 3) {
await m.createTable(garageMotorcycles);
await m.addColumn(rides, rides.motorcycleId);
await m.addColumn(rides, rides.motorcycleYear);
await m.addColumn(rides, rides.motorcycleMake);
await m.addColumn(rides, rides.motorcycleModel);
await m.addColumn(rides, rides.motorcycleVariant);
}
if (from < 4) {
await m.createTable(fieldTestSessions);
await m.createTable(fieldTestEvents);
await m.createTable(fieldTestGpsRecords);
await m.createTable(fieldTestImuRecords);
}
if (from < 5) {
await m.createTable(fieldTestSummaries);
try {
await m.addColumn(fieldTestEvents, fieldTestEvents.rideId);
await m.addColumn(fieldTestEvents, fieldTestEvents.telemetryTimestamp);
await m.addColumn(fieldTestEvents, fieldTestEvents.gpsAgeMs);
await m.addColumn(fieldTestEvents, fieldTestEvents.speed);
await m.addColumn(fieldTestEvents, fieldTestEvents.latitude);
await m.addColumn(fieldTestEvents, fieldTestEvents.longitude);
await m.addColumn(fieldTestEvents, fieldTestEvents.gpsAccuracy);
await m.addColumn(fieldTestEvents, fieldTestEvents.leanAngle);
await m.addColumn(fieldTestEvents, fieldTestEvents.longitudinalG);
await m.addColumn(fieldTestEvents, fieldTestEvents.lateralG);
await m.addColumn(fieldTestEvents, fieldTestEvents.overallConfidence);
await m.addColumn(fieldTestEvents, fieldTestEvents.metadata);
} catch (_) {}
}
if (from < 6) {
await m.addColumn(rides, rides.cloudRideId);
await customStatement('CREATE UNIQUE INDEX IF NOT EXISTS rides_cloud_ride_id_idx ON rides(cloud_ride_id)');
// Existing MotorCloud records were keyed by the deterministic legacy
// identity ride_<localId>_<UTC yyyyMMdd_HHmmss>. Preserve that identity
// for pre-v6 rides so their cloud records remain addressable. New rides
// receive a reinstall-safe random stable ID in startRide().
final rows = await customSelect('SELECT id, start_time FROM rides WHERE cloud_ride_id IS NULL').get();
for (final row in rows) {
final id = row.data['id'];
final rawStart = row.data['start_time'];
if (id is! int || rawStart == null) continue;
final startTime = _decodeStoredDateTime(rawStart);
if (startTime == null) continue;
final legacyId = _legacyCloudRideId(id, startTime);
await customStatement('UPDATE rides SET cloud_ride_id = ? WHERE id = ?', [legacyId, id]);
}
}
if (from < 7) {
await m.addColumn(rides, rides.cloudOwnerUid);
}
},
);
DateTime? _decodeStoredDateTime(Object raw) {
if (raw is DateTime) return raw.toUtc();
if (raw is num) {
final value = raw.toInt();
// Drift's native DateTime representation is epoch milliseconds. Accept
// microseconds too so migration remains safe across older storage adapters.
if (value.abs() >= 100000000000000) {
return DateTime.fromMicrosecondsSinceEpoch(value, isUtc: true);
}
return DateTime.fromMillisecondsSinceEpoch(value, isUtc: true);
}
final text = raw.toString();
final parsed = DateTime.tryParse(text);
if (parsed != null) return parsed.toUtc();
final numeric = int.tryParse(text);
if (numeric == null) return null;
if (numeric.abs() >= 100000000000000) {
return DateTime.fromMicrosecondsSinceEpoch(numeric, isUtc: true);
}
return DateTime.fromMillisecondsSinceEpoch(numeric, isUtc: true);
}
String _legacyCloudRideId(int localRideId, DateTime startTimeUtc) {
String two(int value) => value.toString().padLeft(2, '0');
final stamp = '${startTimeUtc.year.toString().padLeft(4, '0')}${two(startTimeUtc.month)}${two(startTimeUtc.day)}_${two(startTimeUtc.hour)}${two(startTimeUtc.minute)}${two(startTimeUtc.second)}';
return 'ride_${localRideId}_$stamp';
}
String _newCloudRideId() {
final bytes = List<int>.generate(16, (_) => _random.nextInt(256));
final hex = bytes.map((b) => b.toRadixString(16).padLeft(2, '0')).join();
return 'ride_$hex';
}
Future<String?> getCloudRideId(int rideId) async {
final rows = await customSelect('SELECT cloud_ride_id FROM rides WHERE id = ?', variables: [Variable<int>(rideId)]).get();
if (rows.isEmpty) return null;
return rows.first.data['cloud_ride_id'] as String?;
}
Future<String> ensureCloudRideId(int rideId) async {
final existing = await getCloudRideId(rideId);
if (existing != null && existing.isNotEmpty) return existing;
final created = _newCloudRideId();
await customStatement('UPDATE rides SET cloud_ride_id = ? WHERE id = ?', [created, rideId]);
return created;
}
Future<int> startRide({
DateTime? startTime,
int? motorcycleId,
int? motorcycleYear,
String? motorcycleMake,
String? motorcycleModel,
String? motorcycleVariant,
}) async {
return into(rides).insert(RidesCompanion.insert(
cloudRideId: Value(_newCloudRideId()),
startTime: startTime ?? DateTime.now(),
motorcycleId: Value(motorcycleId),
motorcycleYear: Value(motorcycleYear),
motorcycleMake: Value(motorcycleMake),
motorcycleModel: Value(motorcycleModel),
motorcycleVariant: Value(motorcycleVariant),
));
}
Future<String?> getCloudOwnerUid(int rideId) async {
final rows = await customSelect(
'SELECT cloud_owner_uid FROM rides WHERE id = ?',
variables: [Variable<int>(rideId)],
).get();
if (rows.isEmpty) return null;
return rows.first.data['cloud_owner_uid'] as String?;
}
/// Claims only an unclaimed ride. Existing ownership is immutable.
Future<bool> claimRideForCloudOwner(int rideId, String uid) async {
final normalizedUid = uid.trim();
if (normalizedUid.isEmpty) return false;
final changed = await (update(rides)
..where((r) => r.id.equals(rideId) & r.cloudOwnerUid.isNull()))
.write(RidesCompanion(cloudOwnerUid: Value(normalizedUid)));
return changed == 1 || await getCloudOwnerUid(rideId) == normalizedUid;
}
Future<void> endRide(int rideId, RidesCompanion data) async {
await (update(rides)..where((t) => t.id.equals(rideId))).write(data.copyWith(endTime: Value(DateTime.now())));
}
/// Persists a completed performance run. Called by [PerformanceTimerService].
Future<int> addPerformanceRun(PerformanceRunsCompanion entry) {
return into(performanceRuns).insert(entry);
}
}
LazyDatabase _openConnection() {
return LazyDatabase(() async {
final dbFolder = await getApplicationDocumentsDirectory();
final file = File(p.join(dbFolder.path, 'motorsignal.sqlite'));
return NativeDatabase.createInBackground(file);
});
}
final databaseProvider = Provider<AppDatabase>((ref) {
final db = AppDatabase();
ref.onDispose(db.close);
return db;
});