refactor: streamline media scanning process for videos and photos

- Simplified the scanning logic to handle all file types in a single glob pattern, improving efficiency.
- Implemented case-insensitive filtering for video and photo files based on their extensions, enhancing media detection accuracy.
- Refactored code for better readability and maintainability.

src/lib/scanner.ts

@@ -34,21 +34,24 @@ const generatePhotoThumbnail = (photoPath: string, thumbnailPath: string) => {
 };
 
 const scanLibrary = async (library: { id: number; path: string }) => {
-  // Scan videos - handle case variations
+  // Scan videos - handle all case variations
-  const videoPatterns = VIDEO_EXTENSIONS.flatMap(ext => [
+  const videoFiles = await glob(`${library.path}/**/*.*`, { nodir: true });
-    `${library.path}/**/*.${ext}`,
+  
-    `${library.path}/**/*.${ext.toUpperCase()}`,
+  // Scan photos - handle all case variations  
-  ]);
+  const photoFiles = await glob(`${library.path}/**/*.*`, { nodir: true });
-  const videoFiles = await glob(videoPatterns, { 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);
+  });
+  
+  const filteredPhotoFiles = photoFiles.filter(file => {
+    const ext = path.extname(file).toLowerCase().replace('.', '');
+    return PHOTO_EXTENSIONS.includes(ext);
+  });
 
-  // Scan photos - handle case variations
+  const allFiles = [...filteredVideoFiles, ...filteredPhotoFiles];
-  const photoPatterns = PHOTO_EXTENSIONS.flatMap(ext => [
-    `${library.path}/**/*.${ext}`,
-    `${library.path}/**/*.${ext.toUpperCase()}`,
-  ]);
-  const photoFiles = await glob(photoPatterns, { nodir: true });
-
-  const allFiles = [...videoFiles, ...photoFiles];
 
   for (const file of allFiles) {
     const stats = fs.statSync(file);