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better limits for min/max zoom validations, separate lat+lon validation, less verbose comments

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stopflock
2026-07-25 16:42:38 -05:00
parent dd8c9b88cc
commit af2a08bf3d
5 changed files with 87 additions and 98 deletions
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lib/widgets/map/map_position_manager.dart
+11 -27
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@@ -3,9 +3,7 @@ import 'package:flutter_map_animations/flutter_map_animations.dart';
import 'package:latlong2/latlong.dart';
import 'package:shared_preferences/shared_preferences.dart';
import '../../services/coordinate_validation.dart' as coord_validation;
import '../../services/coordinate_validation.dart';
/// Manages map position persistence and initial positioning.
/// Handles saving/loading last map position and moving to initial locations.
@@ -32,10 +30,9 @@ class MapPositionManager {
final lng = prefs.getDouble('last_map_longitude');
final zoom = prefs.getDouble('last_map_zoom');
if (lat != null && lng != null &&
coord_validation.isValidCoordinate(lat) && coord_validation.isValidCoordinate(lng)) {
final validZoom = zoom != null && _isValidZoom(zoom) ? zoom : 15.0;
if (lat != null && lng != null &&
isValidLatitude(lat) && isValidLongitude(lng)) {
final validZoom = zoom != null && isValidZoom(zoom) ? zoom : 15.0;
_initialLocation = LatLng(lat, lng);
_initialZoom = validZoom;
debugPrint('[MapPositionManager] Loaded last map position: ${_initialLocation!.latitude}, ${_initialLocation!.longitude}, zoom: $_initialZoom');
@@ -54,10 +51,9 @@ class MapPositionManager {
try {
final zoom = _initialZoom ?? 15.0;
// Double-check coordinates are valid before moving
if (coord_validation.isValidCoordinate(_initialLocation!.latitude) &&
coord_validation.isValidCoordinate(_initialLocation!.longitude) &&
_isValidZoom(zoom)) {
if (isValidLatitude(_initialLocation!.latitude) &&
isValidLongitude(_initialLocation!.longitude) &&
isValidZoom(zoom)) {
controller.mapController.move(_initialLocation!, zoom);
_hasMovedToInitialLocation = true;
debugPrint('[MapPositionManager] Moved to initial location: ${_initialLocation!.latitude}, ${_initialLocation!.longitude}');
@@ -75,10 +71,9 @@ class MapPositionManager {
Future<void> saveMapPosition(LatLng location, double zoom) async {
try {
// Validate coordinates and zoom before saving
if (!coord_validation.isValidCoordinate(location.latitude) ||
!coord_validation.isValidCoordinate(location.longitude) ||
!_isValidZoom(zoom)) {
if (!isValidLatitude(location.latitude) ||
!isValidLongitude(location.longitude) ||
!isValidZoom(zoom)) {
debugPrint('[MapPositionManager] Invalid map position, not saving: lat=${location.latitude}, lng=${location.longitude}, zoom=$zoom');
return;
}
@@ -93,8 +88,6 @@ class MapPositionManager {
}
}
/// Clear any stored map position (useful for recovery from invalid data)
static Future<void> clearStoredMapPosition() async {
try {
@@ -107,13 +100,4 @@ class MapPositionManager {
debugPrint('[MapPositionManager] Failed to clear stored map position: $e');
}
}
/// Validate that a zoom level is valid
bool _isValidZoom(double zoom) {
return !zoom.isNaN &&
!zoom.isInfinite &&
zoom >= 1.0 &&
zoom <= 25.0;
}
}
}