Add trash: deleted files go to trash, restore or empty

internal/api/handlers.go

@@ -286,3 +286,41 @@ func (s *Server) handleSharedFiles(w http.ResponseWriter, r *http.Request) {
 	// For now return empty list
 	writeJSON(w, 200, []files.FileInfo{})
 }
+
+func (s *Server) handleListTrash(w http.ResponseWriter, r *http.Request) {
+	userID := getUserID(r)
+	items, err := files.ListTrash(s.dataDir, userID)
+	if err != nil {
+		writeJSON(w, 500, map[string]string{"error": "failed to list trash"})
+		return
+	}
+	if items == nil {
+		items = []files.FileInfo{}
+	}
+	writeJSON(w, 200, items)
+}
+
+func (s *Server) handleRestoreTrash(w http.ResponseWriter, r *http.Request) {
+	var req struct {
+		Name string `json:"name"`
+	}
+	if err := decodeBody(r, &req); err != nil || req.Name == "" {
+		writeJSON(w, 400, map[string]string{"error": "name required"})
+		return
+	}
+	userID := getUserID(r)
+	if err := files.RestoreFromTrash(s.dataDir, userID, req.Name); err != nil {
+		writeJSON(w, 500, map[string]string{"error": "restore failed"})
+		return
+	}
+	writeJSON(w, 200, map[string]string{"status": "restored"})
+}
+
+func (s *Server) handleEmptyTrash(w http.ResponseWriter, r *http.Request) {
+	userID := getUserID(r)
+	if err := files.EmptyTrash(s.dataDir, userID); err != nil {
+		writeJSON(w, 500, map[string]string{"error": "empty trash failed"})
+		return
+	}
+	writeJSON(w, 200, map[string]string{"status": "emptied"})
+}