From 4a9c3748cdd3a87ea2c4b6d03c1af789136a9b42 Mon Sep 17 00:00:00 2001
From: jordi fita mas <jordi@tandem.blog>
Date: Fri, 5 May 2023 10:57:48 +0200
Subject: [PATCH] Guard a StatusUnprocessableEntity with check for HTMx request

Otherwise, HTMx would just ignore the HTML returned by the server and
dispatch an error.
---
 pkg/products.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkg/products.go b/pkg/products.go
index 9b990a1..caeb174 100644
--- a/pkg/products.go
+++ b/pkg/products.go
@@ -137,7 +137,9 @@ func HandleUpdateProduct(w http.ResponseWriter, r *http.Request, params httprout
 	}
 	slug := params[0].Value
 	if !form.Validate() {
-		w.WriteHeader(http.StatusUnprocessableEntity)
+		if !IsHTMxRequest(r) {
+			w.WriteHeader(http.StatusUnprocessableEntity)
+		}
 		mustRenderEditProductForm(w, r, slug, form)
 		return
 	}