feat: print error to describe token exchange issue

2 files changed, 3 insertions, 2 deletions

diff --git a/app/controllers/sessions/controller.go b/app/controllers/sessions/controller.go
index 4283993..08002a2 100644
--- a/app/controllers/sessions/controller.go
+++ b/app/controllers/sessions/controller.go
@@ -118,7 +118,8 @@ func (c *Controller) Create(w http.ResponseWriter, r *http.Request) {
 	token, err := c.cfg.Config.Exchange(ctx, r.URL.Query().Get("code"))
 	if err != nil {
 		log.WithFields(ctx, log.Fields{"error": err})
-		w.WriteHeader(http.StatusBadRequest)
+		w.WriteHeader(http.StatusInternalServerError)
+		w.Write([]byte("A valid token could not be retrieved."))
 		return
 	}
 
diff --git a/app/controllers/sessions/controller_test.go b/app/controllers/sessions/controller_test.go
index d2f903f..46c32fd 100644
--- a/app/controllers/sessions/controller_test.go
+++ b/app/controllers/sessions/controller_test.go
@@ -67,7 +67,7 @@ func TestSessions(t *testing.T) {
 
 			mux.ServeHTTP(w, r)
 
-			assert.Equal(t, http.StatusBadRequest, w.Code)
+			assert.Equal(t, http.StatusInternalServerError, w.Code)
 		})
 
 		t.Run("with a valid authorization code grant", func(t *testing.T) {