From b83f8c22288145464c50e162510c63913cb99e30 Mon Sep 17 00:00:00 2001
From: Kharec <sandro@cazzaniga.fr>
Date: Sun, 23 Nov 2025 21:42:27 +0100
Subject: [PATCH] fix: update ValidationMiddleware to return a JSON error
 response when JSON decoding fails

---
 internal/middleware/validation.go | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/internal/middleware/validation.go b/internal/middleware/validation.go
index 44f86e6..a688cb0 100644
--- a/internal/middleware/validation.go
+++ b/internal/middleware/validation.go
@@ -27,7 +27,14 @@ func ValidationMiddleware() func(http.Handler) http.Handler {
 			dto := reflect.New(dtoType).Interface()
 
 			if err := json.NewDecoder(r.Body).Decode(dto); err != nil {
-				http.Error(w, "Invalid JSON", http.StatusBadRequest)
+				response := map[string]any{
+					"success": false,
+					"error":   "Invalid JSON",
+				}
+
+				w.Header().Set("Content-Type", "application/json")
+				w.WriteHeader(http.StatusBadRequest)
+				json.NewEncoder(w).Encode(response)
 				return
 			}