Add sign out button

controllers/users.go

@@ -92,6 +92,26 @@ func (u Users) PostSignin(w http.ResponseWriter, r *http.Request) {
 	fmt.Fprintf(w, "User authenticated: %+v", user)
 }
 
+func (u Users) GetSignout(w http.ResponseWriter, r *http.Request) {
+	sessionCookie, err := r.Cookie("session")
+	if err != nil {
+		http.Redirect(w, r, "/signin", http.StatusFound)
+		return
+	}
+	err = u.SessionService.Delete(sessionCookie.Value)
+	if err != nil {
+		fmt.Println(err)
+		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
+		return
+	}
+	c := http.Cookie{
+		Name:   "session",
+		MaxAge: -1,
+	}
+	http.SetCookie(w, &c)
+	http.Redirect(w, r, "/signin", http.StatusFound)
+}
+
 func (u Users) CurrentUser(w http.ResponseWriter, r *http.Request) {
 	seshCookie, err := r.Cookie("session")
 	if err != nil {