From 21fd5c844690d583e4c40a82f3a6c97cd7be2831 Mon Sep 17 00:00:00 2001
From: matst80 <mats.tornberg@gmail.com>
Date: Wed, 15 Oct 2025 09:31:54 +0200
Subject: [PATCH] id fix

---
 cmd/backoffice/fileserver.go | 28 +++++++++++++---------------
 1 file changed, 13 insertions(+), 15 deletions(-)

diff --git a/cmd/backoffice/fileserver.go b/cmd/backoffice/fileserver.go
index a797c99..4d878ee 100644
--- a/cmd/backoffice/fileserver.go
+++ b/cmd/backoffice/fileserver.go
@@ -43,12 +43,13 @@ func listCartFiles(dir string) ([]CartFileInfo, error) {
 		name := e.Name()
 		var id uint64
 		var parseErr error
-		if strings.HasPrefix(name, "{") && strings.HasSuffix(name, "}.events.log") {
-			idStr := strings.TrimSuffix(strings.TrimPrefix(name, "{"), "}.events.log")
+		parts := strings.Split(name, ".")
+		if len(parts) == 2 && parts[1] == "events.log" {
+			idStr := parts[0]
+			id, parseErr = strconv.ParseUint(idStr, 10, 64)
+		} else if len(parts) == 3 && parts[1] == "events" && parts[2] == "log" {
+			idStr := parts[0]
 			id, parseErr = strconv.ParseUint(idStr, 10, 64)
-		} else if strings.HasSuffix(name, ".events.log") {
-			base := strings.TrimSuffix(name, ".events.log")
-			id, parseErr = strconv.ParseUint(base, 10, 64)
 		} else {
 			continue
 		}
@@ -133,18 +134,15 @@ func (fs *FileServer) CartHandler(w http.ResponseWriter, r *http.Request) {
 		writeJSON(w, http.StatusBadRequest, map[string]string{"error": "missing id"})
 		return
 	}
-	// normalize idStr: support "{123}.events.log", "{123}", "123.events.log", "123"
-	if strings.HasPrefix(idStr, "{") && strings.HasSuffix(idStr, "}.events.log") {
-		idStr = strings.TrimSuffix(strings.TrimPrefix(idStr, "{"), "}.events.log")
-	} else if strings.HasPrefix(idStr, "{") && strings.HasSuffix(idStr, "}") {
-		idStr = strings.TrimSuffix(strings.TrimPrefix(idStr, "{"), "}")
-	} else if strings.HasSuffix(idStr, ".events.log") {
-		idStr = strings.TrimSuffix(idStr, ".events.log")
-	}
+
 	id, err := strconv.ParseUint(idStr, 10, 64)
 	if err != nil {
-		writeJSON(w, http.StatusBadRequest, map[string]string{"error": "invalid id"})
-		return
+		if cartId, ok := cart.ParseCartId(idStr); !ok {
+			writeJSON(w, http.StatusBadRequest, map[string]string{"error": "invalid id"})
+			return
+		} else {
+			id = uint64(cartId)
+		}
 	}
 	// reconstruct state from event log if present
 	grain := cart.NewCartGrain(id, time.Now())