自定义线路与线路优化

lib/services/thumbnail_service.dart

@@ -2,6 +2,7 @@ import 'api_service.dart';
 import '../core/utils/app_logger.dart';
 import '../core/utils/file_utils.dart';
 import '../core/utils/time_flow_decoder.dart';
+import 'custom_line_service.dart';
 
 /// 缩略图缓存条目
 class _ThumbCacheEntry {
@@ -41,6 +42,9 @@ class ThumbnailService {
     // 1. 检查内存缓存
     final cached = _urlCache[cacheKey];
     if (cached != null && !cached.isExpired) {
+      await CustomLineService.instance.activateSelectedNodeForUrl(
+        cached.imageUrl,
+      );
       return cached.imageUrl;
     }
     if (cached != null) {
@@ -64,7 +68,10 @@ class ThumbnailService {
     }
   }
 
-  Future<String?> _fetchThumbnailUrl(String fileUri, String? contextHint) async {
+  Future<String?> _fetchThumbnailUrl(
+    String fileUri,
+    String? contextHint,
+  ) async {
     try {
       final uri = FileUtils.toCloudreveUri(fileUri);
       final headers = contextHint != null
@@ -97,12 +104,15 @@ class ThumbnailService {
       if (url.isEmpty) return null;
 
       AppLogger.d('ThumbnailService: resolved URL for $fileUri = $url');
+      await CustomLineService.instance.activateSelectedNodeForUrl(url);
 
       // 解析过期时间，缓存提前 30 秒过期
       DateTime expiresAt;
       if (expiresStr != null) {
         try {
-          expiresAt = DateTime.parse(expiresStr).subtract(const Duration(seconds: 30));
+          expiresAt = DateTime.parse(
+            expiresStr,
+          ).subtract(const Duration(seconds: 30));
         } catch (_) {
           expiresAt = DateTime.now().add(const Duration(minutes: 5));
         }
@@ -118,7 +128,9 @@ class ThumbnailService {
 
       return url;
     } catch (e) {
-      AppLogger.d('ThumbnailService: failed to get thumbnail URL for $fileUri: $e');
+      AppLogger.d(
+        'ThumbnailService: failed to get thumbnail URL for $fileUri: $e',
+      );
       return null;
     }
   }