Tracking funkció fejlesztése

lib/services/app_database.dart

@@ -24,7 +24,12 @@ class AppDatabase {
     }
 
     final directory = await getExternalStorageDirectory();
-    final path = p.join(directory!.path, 'database', 'terepi_seged.db');
+    final dbDir = Directory(p.join(directory!.path, 'database'));
+
+    if (!await dbDir.exists()) {
+      await dbDir.create(recursive: true);
+    }
+    final path = p.join(dbDir.path, 'terepi_seged.db');
 
     return openDatabase(path,
         version: 1, onCreate: _onCreate, onUpgrade: _onUpgrade);
@@ -74,7 +79,7 @@ class AppDatabase {
     await db.execute('''
       CREATE TABLE IF NOT EXISTS tracks (
         id            INTEGER PRIMARY KEY AUTOINCREMENT,
-        project_id    INTEGER NOT NULL REFERENCES projects(id) ON DELETE CASCADE,
+        project_id    INTEGER REFERENCES projects(id) ON DELETE CASCADE,
         name          TEXT    NOT NULL,
         start_time    TEXT    NOT NULL,
         end_time      TEXT,
@@ -248,15 +253,20 @@ class AppDatabase {
 
   Future<void> addPoint(TrackPoint point, double newDistance) async {
     final db = await database;
-    await db.transaction((txn) async {
-      await txn.insert('track_points', point.toMap());
-      await txn.rawUpdate('''
+    try {
+      await db.transaction((txn) async {
+        await txn.insert('track_points', point.toMap());
+        await txn.rawUpdate('''
         UPDATE tracks
-        SET distance_meters = ?,
+        SET distance_m = ?,
             point_count     = point_count + 1
         WHERE id = ?
       ''', [newDistance, point.trackId]);
-    });
+      });
+    } catch (e) {
+      print(
+          'addPoint hiba: $e  -  trackId=${point.trackId}   dist=$newDistance');
+    }
   }
 
   Future<List<TrackPoint>> getPoints(int trackId) async {