Lateinicus/src/pages/levelList.tsx

import * as React from "react";

import Grid from "@material-ui/core/Grid";
import Typography from "@material-ui/core/Typography";
import Button from "@material-ui/core/Button";
import Card from '@material-ui/core/Card';
import CardActions from '@material-ui/core/CardActions';
import CardContent from '@material-ui/core/CardContent';

import { Link } from "react-router-dom";

import { ILevel } from "../models/lesson";

interface IProps {
    levels: ILevel[];
}

export default class Dashboard extends React.Component<{}> {
    constructor(props: any) {
        super(props);
    }

    render() {
        const small = window.matchMedia("(max-width: 700px)").matches;
        const cName = small ? "lesson-card-xs" : "lesson-card-lg";

        let key = 0;
        const levelToCard = (level: ILevel) => {
            return <Grid item key={key++}>
                <Card style={{
                    width: small ? window.width - 32 : "300px"
                }}>
                    <CardContent className={cName}>
                        <Typography variant="title">{`Level ${level.level}`}</Typography>
                        <Typography variant="title" component="p">{level.name}</Typography>
                        <br />
                        <Typography component="p">
                            {level.desc}
                        </Typography>
                    </CardContent>
                    <CardActions>
                        <Button
                            component={Link}
                            to={`/level/${level.level}`}
                            className="lesson-card-btn">
                            Zum Level
                        </Button>
                    </CardActions>
                </Card>
            </Grid>;
        };

        return <Grid container spacing={16} direction="row">
            {this.props.levels.map(levelToCard)}
        </Grid>
    }
};