import * as React from "react";
import { AppBar, Toolbar, Typography, Grid, IconButton, Badge, Button, MenuItem } from "@material-ui/core";
import { User, getUserFullname } from "../../models/user";
import * as React from "react";
import { AppBar, Toolbar, Typography, Grid, IconButton, Badge, Button, MenuItem } from "@material-ui/core";
import { User, getUserFullname } from "../../models/user";