Android Feature Optimization and Updates

lib/services/file_service.dart

@@ -4,7 +4,6 @@ import '../core/utils/file_utils.dart';
 
 /// 文件服务
 class FileService {
-
   /// 列出文件
   Future<Map<String, dynamic>> listFiles({
     required String uri,
@@ -23,12 +22,38 @@ class FileService {
       'next_page_token': nextPageToken,
     };
 
-    final response = await ApiService.instance
-        .get<Map<String, dynamic>>('/file', queryParameters: params);
+    final response = await ApiService.instance.get<Map<String, dynamic>>(
+      '/file',
+      queryParameters: params,
+    );
 
     return response;
   }
 
+  /// 按 Cloudreve V4 预设分类列出文件。
+  ///
+  /// category 可用值：image / video / audio / document
+  Future<Map<String, dynamic>> listFilesByCategory({
+    required String category,
+    int page = 0,
+    int? pageSize,
+    String? orderBy,
+    String? orderDirection,
+    String? nextPageToken,
+  }) {
+    final normalizedCategory = category.trim().toLowerCase();
+    final categoryUri = 'cloudreve://my?category=$normalizedCategory';
+
+    return listFiles(
+      uri: categoryUri,
+      page: page,
+      pageSize: pageSize,
+      orderBy: orderBy,
+      orderDirection: orderDirection,
+      nextPageToken: nextPageToken,
+    );
+  }
+
   /// 创建文件/文件夹
   Future<Map<String, dynamic>> createFile({
     required String uri,
@@ -43,8 +68,10 @@ class FileService {
       'metadata': ?metadata,
     };
 
-    final response = await ApiService.instance
-        .post<Map<String, dynamic>>('/file/create', data: data);
+    final response = await ApiService.instance.post<Map<String, dynamic>>(
+      '/file/create',
+      data: data,
+    );
 
     return response;
   }
@@ -150,9 +177,7 @@ class FileService {
   }
 
   /// 恢复文件（从回收站）
-  Future<void> restoreFiles({
-    required List<String> uris,
-  }) async {
+  Future<void> restoreFiles({required List<String> uris}) async {
     final data = <String, dynamic>{
       'uris': uris.map((uri) => FileUtils.toCloudreveUri(uri)).toList(),
     };
@@ -171,8 +196,10 @@ class FileService {
       'page_size': pageSize,
     };
 
-    final response = await ApiService.instance
-        .get<Map<String, dynamic>>('/file', queryParameters: params);
+    final response = await ApiService.instance.get<Map<String, dynamic>>(
+      '/file',
+      queryParameters: params,
+    );
 
     return response;
   }
@@ -195,8 +222,10 @@ class FileService {
       'page_size': pageSize,
     };
 
-    final response = await ApiService.instance
-        .get<Map<String, dynamic>>('/file', queryParameters: params);
+    final response = await ApiService.instance.get<Map<String, dynamic>>(
+      '/file',
+      queryParameters: params,
+    );
 
     AppLogger.d('Search files ---------> : $response');
     return response;
@@ -216,8 +245,10 @@ class FileService {
       'folder_summary': folderSummary,
     };
 
-    final response = await ApiService.instance
-        .get<Map<String, dynamic>>('/file/info', queryParameters: params);
+    final response = await ApiService.instance.get<Map<String, dynamic>>(
+      '/file/info',
+      queryParameters: params,
+    );
     AppLogger.d("getFileInfo --> $response");
     return response;
   }