From 79764732406d6484f67d3dec045483dcb5d08c28 Mon Sep 17 00:00:00 2001
From: historia <[not public]>
Date: Fri, 18 Sep 2026 20:03:13 -0400
Subject: feat: better card ascii art

---
 internal/admin/api_room_courses.go | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'internal/admin/api_room_courses.go')

diff --git a/internal/admin/api_room_courses.go b/internal/admin/api_room_courses.go
index 5a33e6a..db74adf 100644
--- a/internal/admin/api_room_courses.go
+++ b/internal/admin/api_room_courses.go
@@ -204,16 +204,17 @@ func (s *AdminServer) handleCourseByID(w http.ResponseWriter, r *http.Request) {
 		delete(body, "_raw")
 		delete(body, "_path")
 
-		var oldContent []byte
-		if existing, err := snapshotFile(path); err == nil {
-			oldContent = existing
+		oldContent, existed, err := snapshotBefore(path)
+		if err != nil {
+			failJSON(w, "read existing file: "+err.Error())
+			return
 		}
 		newContent, err := writeMapAsYAML(path, body)
 		if err != nil {
 			failJSON(w, "write error: "+err.Error())
 			return
 		}
-		isCreate := oldContent == nil
+		isCreate := !existed
 		desc := "Updated course " + id
 		if isCreate {
 			desc = "Created course " + id
-- 
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