tissue/resources/assets/js/user/stats.js

import CalHeatMap from 'cal-heatmap';
import Chart from 'chart.js';
import {addMonths, format} from 'date-fns';

const graphData = JSON.parse(document.getElementById('graph-data').textContent);

function createLineGraph(id, labels, data) {
    const context = document.getElementById(id).getContext('2d');
    return new Chart(context, {
        type: 'line',
        data: {
            labels: labels,
            datasets: [{
                data: data,
                backgroundColor: 'rgba(255, 99, 132, 0.2)',
                borderColor: 'rgba(255, 99, 132, 1)',
                borderWidth: 1
            }]
        },
        options: {
            legend: {
                display: false
            },
            elements: {
                line: {
                    tension: 0
                }
            },
            scales: {
                yAxes: [{
                    ticks: {
                        beginAtZero: true
                    }
                }]
            },
            tooltips: {
                mode: 'index',
                intersect: false,
            }
        }
    });
}

function createBarGraph(id, labels, data) {
    const context = document.getElementById(id).getContext('2d');
    new Chart(context, {
        type: 'bar',
        data: {
            labels: labels,
            datasets: [{
                data: data,
                backgroundColor: 'rgba(255, 99, 132, 0.2)',
                borderColor: 'rgba(255, 99, 132, 1)',
                borderWidth: 1
            }]
        },
        options: {
            legend: {
                display: false
            },
            scales: {
                yAxes: [{
                    ticks: {
                        beginAtZero: true
                    }
                }]
            },
            tooltips: {
                mode: 'index',
                intersect: false,
            }
        }
    });
}

/**
 * @param {Date} from
 */
function createMonthlyGraphData(from) {
    const keys = [];
    const values = [];

    for (let i = 0; i < 12; i++) {
        const current = addMonths(from, i);
        const yearAndMonth = format(current, 'YYYY/MM');
        keys.push(yearAndMonth);
        values.push(graphData.monthlySum[yearAndMonth] || 0);
    }

    return {keys, values};
}

function getCurrentYear() {
    const year = location.pathname.split('/').pop();
    return /^(20[0-9]{2})$/.test(year) ? year : null;
}

if (document.getElementById('cal-heatmap')) {
    new CalHeatMap().init({
        itemSelector: '#cal-heatmap',
        domain: 'month',
        subDomain: 'day',
        domainLabelFormat: '%Y/%m',
        weekStartOnMonday: false,
        start: new Date(getCurrentYear(), 0, 1, 0, 0, 0, 0),
        range: 12,
        data: graphData.dailySum,
        legend: [1, 2, 3, 4]
    });
}

if (document.getElementById('monthly-graph')) {
    const {keys: monthlyKey, values: monthlySum} = createMonthlyGraphData(new Date(getCurrentYear(), 0, 1, 0, 0, 0, 0));
    createLineGraph('monthly-graph', monthlyKey, monthlySum);
}
if (document.getElementById('yearly-graph')) {
    createLineGraph('yearly-graph', graphData.yearlyKey, graphData.yearlySum);
}
if (document.getElementById('hourly-graph')) {
    createBarGraph('hourly-graph', graphData.hourlyKey, graphData.hourlySum);
}
if (document.getElementById('dow-graph')) {
    createBarGraph('dow-graph', ['日', '月', '火', '水', '木', '金', '土'], graphData.dowSum);
}