src/app/api/files/route.ts

@@ -31,10 +31,9 @@ export async function GET(request: Request) {
       const ext = path.extname(file).toLowerCase();
       
       let type = 'file';
-      const cleanExt = ext.replace('.', '').toLowerCase();
-      if (VIDEO_EXTENSIONS.some(v => v.toLowerCase() === cleanExt)) {
+      if (VIDEO_EXTENSIONS.some(v => ext.includes(v))) {
         type = 'video';
-      } else if (PHOTO_EXTENSIONS.some(p => p.toLowerCase() === cleanExt)) {
+      } else if (PHOTO_EXTENSIONS.some(p => ext.includes(p))) {
         type = 'photo';
       }
 

src/app/folder-viewer/page.tsx

@@ -174,18 +174,12 @@ const FolderViewerPage = () => {
     // Don't allow navigation above library root
     if (currentPath === libraryRoot) return '';
     
-    // Split path but keep leading slash for absolute paths
-    const pathParts = currentPath.split('/');
+    const pathParts = currentPath.split('/').filter(part => part.length > 0);
     const libraryParts = libraryRoot.split('/').filter(part => part.length > 0);
     
-    // Filter out empty parts but keep structure
-    const filteredPathParts = pathParts.filter(part => part.length > 0);
+    if (pathParts.length <= libraryParts.length) return '';
     
-    if (filteredPathParts.length <= libraryParts.length) return '';
-    
-    // Reconstruct absolute path
-    const parentParts = filteredPathParts.slice(0, -1);
-    return '/' + parentParts.join('/');
+    return pathParts.slice(0, -1).join('/');
   };
 
   const handleBackClick = () => {

src/lib/scanner.ts

@@ -34,32 +34,24 @@ const generatePhotoThumbnail = (photoPath: string, thumbnailPath: string) => {
 };
 
 const scanLibrary = async (library: { id: number; path: string }) => {
-  // Scan videos - handle all case variations
-  const videoFiles = await glob(`${library.path}/**/*.*`, { nodir: true });
-  
-  // Scan photos - handle all case variations  
-  const photoFiles = await glob(`${library.path}/**/*.*`, { nodir: true });
-  
-  // Filter files by extension (case-insensitive)
-  const filteredVideoFiles = videoFiles.filter(file => {
-    const ext = path.extname(file).toLowerCase().replace('.', '');
-    return VIDEO_EXTENSIONS.includes(ext);
+  // Scan videos
+  const videoFiles = await glob(`${library.path}/**/*.{${VIDEO_EXTENSIONS.join(",")}}`, {
+    nodir: true,
   });
 
-  const filteredPhotoFiles = photoFiles.filter(file => {
-    const ext = path.extname(file).toLowerCase().replace('.', '');
-    return PHOTO_EXTENSIONS.includes(ext);
+  // Scan photos
+  const photoFiles = await glob(`${library.path}/**/*.{${PHOTO_EXTENSIONS.join(",")}}`, {
+    nodir: true,
   });
 
-  const allFiles = [...filteredVideoFiles, ...filteredPhotoFiles];
+  const allFiles = [...videoFiles, ...photoFiles];
 
   for (const file of allFiles) {
     const stats = fs.statSync(file);
     const title = path.basename(file);
     const ext = path.extname(file).toLowerCase();
-    const cleanExt = ext.replace('.', '').toLowerCase();
-    const isVideo = VIDEO_EXTENSIONS.some(v => v.toLowerCase() === cleanExt);
-    const isPhoto = PHOTO_EXTENSIONS.some(p => p.toLowerCase() === cleanExt);
+    const isVideo = VIDEO_EXTENSIONS.some(v => ext.includes(v));
+    const isPhoto = PHOTO_EXTENSIONS.some(p => ext.includes(p));
     
     const mediaType = isVideo ? "video" : "photo";
     const thumbnailFileName = `${path.parse(title).name}_${Date.now()}.png`;