lets-go:11.0 very minimal first pass at logout

curious why `http.Redirect` does POST here? because i haven't handled any user input?

snippetbox/cmd/web/handlers.go

@@ -188,3 +188,11 @@ func (app *application) userLoginPost(w http.ResponseWriter, r *http.Request) {
 
 	http.Redirect(w, r, "/", http.StatusSeeOther)
 }
+
+// userLoginPost ...
+func (app *application) userLogoutPost(w http.ResponseWriter, r *http.Request) {
+	id := app.sessionManager.PopInt(r.Context(), "authenticatedUserID")
+
+	app.sessionManager.Put(r.Context(), "flash", fmt.Sprintf("LOGGED OUT USER %s! (not really)", id))
+	http.Redirect(w, r, "/", http.StatusSeeOther)
+}

snippetbox/cmd/web/routes.go

@@ -33,6 +33,7 @@ func (app *application) routes() http.Handler {
 	router.Handler(http.MethodPost, "/user/signup", dynamic.ThenFunc(app.userSignupPost))
 	router.Handler(http.MethodGet, "/user/login", dynamic.ThenFunc(app.userLogin))
 	router.Handler(http.MethodPost, "/user/login", dynamic.ThenFunc(app.userLoginPost))
+	router.Handler(http.MethodPost, "/user/logout", dynamic.ThenFunc(app.userLogoutPost))
 
 	standard := alice.New(app.recoverPanic, app.logRequest, secureHeaders)