Fix PDF loading: fetch PDF bytes directly and use SfPdfViewer.memory()

b0esche_cloud/lib/pages/public_file_viewer.dart

@@ -1,3 +1,4 @@
+import 'dart:typed_data';
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
 import 'package:web/web.dart' as web;
@@ -23,6 +24,7 @@ class _PublicFileViewerState extends State<PublicFileViewer> {
   String? _error;
   Map<String, dynamic>? _fileData;
   VideoPlayerController? _videoController;
+  List<int>? _pdfBytes;
 
   @override
   void initState() {
@@ -46,6 +48,11 @@ class _PublicFileViewerState extends State<PublicFileViewer> {
         _isLoading = false;
       });
 
+      // Load PDF bytes if it's a PDF file
+      if (_isPdfFile()) {
+        await _loadPdfBytes();
+      }
+
       // Initialize video controller if it's a video file
       if (_isVideoFile()) {
         _initializeVideoPlayer();
@@ -58,6 +65,28 @@ class _PublicFileViewerState extends State<PublicFileViewer> {
     }
   }
 
+  Future<void> _loadPdfBytes() async {
+    if (_fileData?['viewUrl'] != null) {
+      try {
+        final apiClient = getIt<ApiClient>();
+        // Extract the path from viewUrl and call it directly
+        final viewUrl = _fileData!['viewUrl'] as String;
+        final uri = Uri.parse(viewUrl);
+        final path = uri.path + (uri.query.isNotEmpty ? '?${uri.query}' : '');
+        
+        final bytes = await apiClient.getBytes(path);
+        setState(() {
+          _pdfBytes = bytes;
+        });
+      } catch (e) {
+        // If loading fails, we'll show an error or fallback
+        setState(() {
+          _error = 'Failed to load PDF content.';
+        });
+      }
+    }
+  }
+
   Future<void> _initializeVideoPlayer() async {
     final url = _fileData?['viewUrl'] ?? _fileData?['downloadUrl'];
     if (url != null) {
@@ -115,15 +144,35 @@ class _PublicFileViewerState extends State<PublicFileViewer> {
     if (viewUrl == null) return const SizedBox();
 
     if (_isPdfFile()) {
-      return Expanded(
-        child: SfPdfViewer.network(
-          viewUrl,
-          canShowScrollHead: false,
-          canShowScrollStatus: false,
-          enableDoubleTapZooming: true,
-          enableTextSelection: false,
-        ),
-      );
+      if (_pdfBytes != null) {
+        return Expanded(
+          child: SfPdfViewer.memory(
+            Uint8List.fromList(_pdfBytes!),
+            canShowScrollHead: false,
+            canShowScrollStatus: false,
+            enableDoubleTapZooming: true,
+            enableTextSelection: false,
+          ),
+        );
+      } else if (_error != null) {
+        return Expanded(
+          child: Center(
+            child: Text(
+              _error!,
+              style: TextStyle(color: AppTheme.primaryText),
+              textAlign: TextAlign.center,
+            ),
+          ),
+        );
+      } else {
+        return const Expanded(
+          child: Center(
+            child: CircularProgressIndicator(
+              valueColor: AlwaysStoppedAnimation<Color>(AppTheme.accentColor),
+            ),
+          ),
+        );
+      }
     } else if (_isVideoFile() && _videoController != null) {
       return Expanded(
         child: AspectRatio(

b0esche_cloud/lib/services/api_client.dart

@@ -97,6 +97,18 @@ class ApiClient {
     }
   }
 
+  Future<List<int>> getBytes(String path) async {
+    try {
+      final response = await _dio.get(
+        path,
+        options: Options(responseType: ResponseType.bytes),
+      );
+      return response.data;
+    } on DioException catch (e) {
+      throw _handleError(e);
+    }
+  }
+
   Future<Map<String, dynamic>> postRaw(String path, {dynamic data}) async {
     try {
       final response = await _dio.post(path, data: data);