feat(web): add file sorting to files browser

internal/web/files.go

@@ -211,6 +211,16 @@ func (s *Server) handleFilesGet(w http.ResponseWriter, r *http.Request, username
 		return
 	}
 
+	// Determine sort order (name asc/desc) from query param, default to asc
+	sortBy := r.URL.Query().Get("sort_by")
+	sortDir := r.URL.Query().Get("sort_dir")
+	if sortBy == "" {
+		sortBy = "name"
+	}
+	if sortDir == "" {
+		sortDir = "asc"
+	}
+
 	// os.ReadDir already returns entries sorted by filename, so filtering
 	// into two passes keeps each group (directories, then files)
 	// alphabetically sorted while grouping directories first.
@@ -234,6 +244,40 @@ func (s *Server) handleFilesGet(w http.ResponseWriter, r *http.Request, username
 			files = append(files, entry)
 		}
 	}
+
+	// Sort entries based on sortBy and sortDir
+	less := func(i, j templates.FileEntry) bool {
+		switch sortBy {
+		case "name":
+			if sortDir == "desc" {
+				return i.Name > j.Name
+			}
+			return i.Name < j.Name
+		default:
+			if sortDir == "desc" {
+				return i.ModTime > j.ModTime
+			}
+			return i.ModTime < j.ModTime
+		}
+	}
+
+	// Sort dirs
+	for i := 0; i < len(dirs)-1; i++ {
+		for j := i + 1; j < len(dirs); j++ {
+			if less(dirs[j], dirs[i]) {
+				dirs[i], dirs[j] = dirs[j], dirs[i]
+			}
+		}
+	}
+	// Sort files
+	for i := 0; i < len(files)-1; i++ {
+		for j := i + 1; j < len(files); j++ {
+			if less(files[j], files[i]) {
+				files[i], files[j] = files[j], files[i]
+			}
+		}
+	}
+
 	entries := append(dirs, files...)
 
 	var breadcrumbs []templates.Breadcrumb
@@ -248,7 +292,7 @@ func (s *Server) handleFilesGet(w http.ResponseWriter, r *http.Request, username
 	}
 
 	w.Header().Set("Content-Type", "text/html; charset=utf-8")
-	_ = templates.FilesPage(username, breadcrumbs, entries, relPath).Render(context.Background(), w)
+	_ = templates.FilesPage(username, breadcrumbs, entries, relPath, sortBy, sortDir).Render(context.Background(), w)
 }
 
 func (s *Server) handleFilesUpload(w http.ResponseWriter, r *http.Request, root, fullPath string) {