-import { AppBar, Toolbar, Typography, Grid, IconButton, Badge, StyleRulesCallback, withStyles, WithStyles, Button, MenuItem } from "@material-ui/core";
-import NotificationsIcon from "@material-ui/icons/Notifications";
-import PersonIcon from "@material-ui/icons/Person";
-import HelpIcon from "@material-ui/icons/Help";
+import { AppBar, Toolbar, Typography, Grid, IconButton, Badge, Button, MenuItem } from "@material-ui/core";
+import { User, getUserFullname } from "../../models/user";