From 9363873898c24020906e8f7b24fcab318c0d76a9 Mon Sep 17 00:00:00 2001
From: Alice Gaudon <alice@gaudon.pro>
Date: Mon, 15 Jun 2020 12:58:15 +0200
Subject: [PATCH] Format response for validation errors

---
 src/Application.ts | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/src/Application.ts b/src/Application.ts
index 4b9a1c7..cf1f2bc 100644
--- a/src/Application.ts
+++ b/src/Application.ts
@@ -71,8 +71,25 @@ export default abstract class Application {
             }
 
             if (err instanceof ValidationBag) {
-                req.flash('validation', err.getMessages());
-                res.redirectBack();
+                res.format({
+                    json: () => {
+                        res.status(401);
+                        res.json({
+                            status: 'error',
+                            code: 401,
+                            message: 'Invalid form data',
+                            messages: err.getMessages(),
+                        });
+                    },
+                    text: () => {
+                        res.status(401);
+                        res.send('Error: ' + err.getMessages())
+                    },
+                    html: () => {
+                        req.flash('validation', err.getMessages());
+                        res.redirectBack();
+                    },
+                });
                 return;
             }