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fixes tile re-rendering after long rate limit periods without having to zoom/pan

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This commit is contained in:
stopflock
2025-08-22 23:44:49 -05:00
parent 01f73322c7
commit f6adffc84e
6 changed files with 221 additions and 0 deletions
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lib/services/map_data_submodules/cameras_from_overpass.dart
+11
View File
@@ -6,6 +6,7 @@ import 'package:flutter_map/flutter_map.dart';
import '../../models/camera_profile.dart';
import '../../models/osm_camera_node.dart';
import '../../app_state.dart';
import '../network_status.dart';
/// Fetches cameras from the Overpass OSM API for the given bounds and profiles.
/// If fetchAllPages is true, returns all possible cameras using multiple API calls (paging with pageSize).
@@ -45,11 +46,13 @@ Future<List<OsmCameraNode>> camerasFromOverpass({
print('[camerasFromOverpass] Status: ${resp.statusCode}, Length: ${resp.body.length}');
if (resp.statusCode != 200) {
print('[camerasFromOverpass] Overpass failed: ${resp.body}');
NetworkStatus.instance.reportOverpassIssue();
return [];
}
final data = jsonDecode(resp.body) as Map<String, dynamic>;
final elements = data['elements'] as List<dynamic>;
print('[camerasFromOverpass] Retrieved elements: ${elements.length}');
NetworkStatus.instance.reportOverpassSuccess();
return elements.whereType<Map<String, dynamic>>().map((e) {
return OsmCameraNode(
id: e['id'],
@@ -59,6 +62,14 @@ Future<List<OsmCameraNode>> camerasFromOverpass({
}).toList();
} catch (e) {
print('[camerasFromOverpass] Overpass exception: $e');
// Report network issues on connection errors
if (e.toString().contains('Connection refused') ||
e.toString().contains('Connection timed out') ||
e.toString().contains('Connection reset')) {
NetworkStatus.instance.reportOverpassIssue();
}
return [];
}
}
lib/services/map_data_submodules/tiles_from_osm.dart
+11
View File
@@ -4,6 +4,7 @@ import 'dart:async';
import 'package:http/http.dart' as http;
import 'package:flutter/foundation.dart';
import 'package:flock_map_app/dev_config.dart';
import '../network_status.dart';
/// Global semaphore to limit simultaneous tile fetches
final _tileFetchSemaphore = _SimpleSemaphore(4); // Max 4 concurrent
@@ -33,13 +34,23 @@ Future<List<int>> fetchOSMTile({
print('[fetchOSMTile] HTTP ${resp.statusCode} for $z/$x/$y, length=${resp.bodyBytes.length}');
if (resp.statusCode == 200 && resp.bodyBytes.isNotEmpty) {
print('[fetchOSMTile] SUCCESS $z/$x/$y');
NetworkStatus.instance.reportOsmTileSuccess();
return resp.bodyBytes;
} else {
print('[fetchOSMTile] FAIL $z/$x/$y: code=${resp.statusCode}, bytes=${resp.bodyBytes.length}');
NetworkStatus.instance.reportOsmTileIssue();
throw HttpException('Failed to fetch tile $z/$x/$y: status ${resp.statusCode}');
}
} catch (e) {
print('[fetchOSMTile] Exception $z/$x/$y: $e');
// Report network issues on connection errors
if (e.toString().contains('Connection refused') ||
e.toString().contains('Connection timed out') ||
e.toString().contains('Connection reset')) {
NetworkStatus.instance.reportOsmTileIssue();
}
if (attempt >= maxAttempts) {
print("[fetchOSMTile] Failed for $z/$x/$y after $attempt attempts: $e");
rethrow;