componentDidMount() {
        const url = API_URL + "/api/customers";
        fetch(url, {
            headers: {
                'Authorization': 'Bearer ' + GetTokenCookie("uid")
            }
        })
            .then(res => res.json())
            .then(res => {
                this.setState({ profile: res });
                this.setState({ isLoading: false });
                this.setChartData();
            })
            .catch(error => this.setState({ error, isLoading: false }));
    }

    setChartData() {
        this.setState({
            chartData: {
                labels: ['Boston', 'Worcester', 'Springfield', 'Lowell', 'Cambridge', 'New Bedford'],
                datasets: [
                    {
                        label: 'Population',
                        data: [
                            617594,
                            181045,
                            153060,
                            106519,
                            105162,
                            95072
                        ],
                        backgroundColor: [
                            'rgba(255, 99, 132, 0.6)',
                            'rgba(54, 162, 235, 0.6)',
                            'rgba(255, 206, 86, 0.6)',
                            'rgba(75, 192, 192, 0.6)',
                            'rgba(153, 102, 255, 0.6)',
                            'rgba(255, 159, 64, 0.6)',
                            'rgba(255, 99, 132, 0.6)'
                        ]
                    }
                ]
            }
        });
    }