From 12f65072f28baa34731acc2301b0dc20907924c2 Mon Sep 17 00:00:00 2001
From: Peter Stuifzand <peter@stuifzand.eu>
Date: Mon, 25 Feb 2019 19:03:04 +0100
Subject: [PATCH] Log error when flushing fails

---
 main.go | 36 ++++++++++++++++++++++++++++++------
 1 file changed, 30 insertions(+), 6 deletions(-)

diff --git a/main.go b/main.go
index b8e632e..93a21db 100644
--- a/main.go
+++ b/main.go
@@ -96,7 +96,11 @@ func (*authHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, err.Error(), 500)
 		return
 	}
-	defer sess.Flush()
+	defer func() {
+		if err := sess.Flush(); err != nil {
+			log.Println(err)
+		}
+	}()
 
 	if r.Method == http.MethodGet {
 		if r.URL.Path == "/auth/login" {
@@ -204,7 +208,11 @@ func (h *historyHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, err.Error(), 500)
 		return
 	}
-	defer sess.Flush()
+	defer func() {
+		if err := sess.Flush(); err != nil {
+			log.Println(err)
+		}
+	}()
 
 	if !sess.LoggedIn {
 		http.Redirect(w, r, "/", http.StatusFound)
@@ -253,7 +261,11 @@ func (h *saveHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, err.Error(), 500)
 		return
 	}
-	defer sess.Flush()
+	defer func() {
+		if err := sess.Flush(); err != nil {
+			log.Println(err)
+		}
+	}()
 
 	if !sess.LoggedIn {
 		http.Redirect(w, r, "/", http.StatusFound)
@@ -280,7 +292,11 @@ func (h *editHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, err.Error(), 500)
 		return
 	}
-	defer sess.Flush()
+	defer func() {
+		if err := sess.Flush(); err != nil {
+			log.Println(err)
+		}
+	}()
 
 	if !sess.LoggedIn {
 		http.Redirect(w, r, "/", http.StatusFound)
@@ -321,7 +337,11 @@ func (h *indexHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, err.Error(), 500)
 		return
 	}
-	defer sess.Flush()
+	defer func() {
+		if err := sess.Flush(); err != nil {
+			log.Println(err)
+		}
+	}()
 
 	page := r.URL.Path[1:]
 	if page == "" {
@@ -380,7 +400,11 @@ func (h *recentHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, err.Error(), 500)
 		return
 	}
-	defer sess.Flush()
+	defer func() {
+		if err := sess.Flush(); err != nil {
+			log.Println(err)
+		}
+	}()
 
 	if !sess.LoggedIn {
 		http.Redirect(w, r, "/", http.StatusFound)