Bemérés nézet: pont bemérése, törlése, lista, mentés sqlite-ba, exportálás

lib/models/measured_point.dart

@@ -1,13 +1,81 @@
 class MeasuredPoint {
+  final int? id;
+  final int projectId;
   final String name;
-  final double latitude;
-  final double longitude;
+  final double? eovY;
+  final double? eovX;
+  final double? eovZ;
+  final double? latitude;
+  final double? longitude;
   final double? altitude;
+  final double? accuracy;
+  final int? fixQuality;
+  final DateTime timestamp;
+  final String note;
 
   const MeasuredPoint({
+    this.id,
+    required this.projectId,
     required this.name,
-    required this.latitude,
-    required this.longitude,
+    this.eovY,
+    this.eovX,
+    this.eovZ,
+    this.latitude,
+    this.longitude,
     this.altitude,
+    this.accuracy,
+    this.fixQuality,
+    required this.timestamp,
+    this.note = '',
   });
+
+  Map<String, dynamic> toMap() => {
+        if (id != null) 'id': id,
+        'project_id': projectId,
+        'name': name,
+        'eov_y': eovY,
+        'eov_x': eovX,
+        'eov_z': eovZ,
+        'latitude': latitude,
+        'longitude': longitude,
+        'altitude': altitude,
+        'accuracy': accuracy,
+        'fix_quality': fixQuality,
+        'timestamp': timestamp.toIso8601String(),
+        'note': note,
+      };
+
+  factory MeasuredPoint.fromMap(Map<String, dynamic> m) => MeasuredPoint(
+        id: m['id'] as int?,
+        projectId: m['project_id'] as int,
+        name: m['name'] as String,
+        eovY: (m['eov_y'] as num?)?.toDouble(),
+        eovX: (m['eov_x'] as num?)?.toDouble(),
+        eovZ: (m['eov_z'] as num?)?.toDouble(),
+        latitude: (m['latitude'] as num?)?.toDouble(),
+        longitude: (m['longitude'] as num?)?.toDouble(),
+        altitude: (m['altitude'] as num?)?.toDouble(),
+        accuracy: (m['accuracy'] as num?)?.toDouble(),
+        fixQuality: m['fix_quality'] as int?,
+        timestamp: DateTime.parse(m['timestamp'] as String),
+        note: m['note'] as String? ?? '',
+      );
+
+  // ── CSV sor ───────────────────────────────────────────────────────
+
+  static String csvHeader() => 'Név;EOV Y;EOV X;EOV Z (tszf);'
+      'Lat (WGS84);Lon (WGS84);Magasság (m);'
+      'Pontosság (m);Fix minőség;Megjegyzés;Időbélyeg';
+
+  String toCsvRow() {
+    String fmt(double? v, int dec) => v == null ? '' : v.toStringAsFixed(dec);
+    return '${_csv(name)};'
+        '${fmt(eovY, 1)};${fmt(eovX, 1)};${fmt(eovZ, 3)};'
+        '${fmt(latitude, 8)};${fmt(longitude, 8)};${fmt(altitude, 3)};'
+        '${fmt(accuracy, 4)};${fixQuality ?? ""};'
+        '${_csv(note)};${timestamp.toIso8601String()}';
+  }
+
+  /// Pontosvesszőt tartalmazó mezőket idézőjelbe teszi
+  String _csv(String v) => v.contains(';') ? '"$v"' : v;
 }