Update homepage: remove create account, hide login if logged in

cmd/server/main.go

@@ -38,8 +38,18 @@ func main() {
 
 	// Routes
 	e.GET("/", func(c echo.Context) error {
+		tokenString := getToken(c)
+		loggedIn := false
+		if tokenString != "" {
+			token, err := jwtgo.Parse(tokenString, func(token *jwtgo.Token) (interface{}, error) {
+				return []byte(cfg.JWTSecret), nil
+			})
+			if err == nil && token.Valid {
+				loggedIn = true
+			}
+		}
 		var buf bytes.Buffer
-		err := templates.Index().Render(c.Request().Context(), &buf)
+		err := templates.Index(loggedIn).Render(c.Request().Context(), &buf)
 		if err != nil {
 			return err
 		}