177 lines
3.8 KiB
Vue
177 lines
3.8 KiB
Vue
<template>
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<div ref="rootEl">
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<MkLoading v-if="fetching"/>
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<div v-else>
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<canvas ref="chartEl"></canvas>
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</div>
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</div>
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</template>
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<script lang="ts" setup>
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import { markRaw, version as vueVersion, onMounted, onBeforeUnmount, nextTick } from 'vue';
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import { Chart } from 'chart.js';
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import tinycolor from 'tinycolor2';
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import { MatrixController, MatrixElement } from 'chartjs-chart-matrix';
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import * as os from '@/os';
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import { defaultStore } from '@/store';
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import { useChartTooltip } from '@/scripts/use-chart-tooltip';
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import { chartVLine } from '@/scripts/chart-vline';
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import { alpha } from '@/scripts/color';
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import { initChart } from '@/scripts/init-chart';
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initChart();
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const rootEl = $shallowRef<HTMLDivElement>(null);
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const chartEl = $shallowRef<HTMLCanvasElement>(null);
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const now = new Date();
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let chartInstance: Chart = null;
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let fetching = $ref(true);
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const { handler: externalTooltipHandler } = useChartTooltip({
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position: 'middle',
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});
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async function renderChart() {
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if (chartInstance) {
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chartInstance.destroy();
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}
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const wide = rootEl.offsetWidth > 600;
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const narrow = rootEl.offsetWidth < 400;
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const maxDays = wide ? 15 : narrow ? 5 : 10;
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const raw = await os.api('retention', { });
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const data = [];
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for (const record of raw) {
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let i = 0;
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for (const date of Object.keys(record.data).sort((a, b) => new Date(a).getTime() - new Date(b).getTime())) {
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data.push({
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x: i,
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y: record.createdAt,
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v: record.data[date],
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});
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i++;
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}
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}
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fetching = false;
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await nextTick();
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const color = defaultStore.state.darkMode ? '#b4e900' : '#86b300';
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// 視覚上の分かりやすさのため上から最も大きい3つの値の平均を最大値とする
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//const max = raw.readWrite.slice().sort((a, b) => b - a).slice(0, 3).reduce((a, b) => a + b, 0) / 3;
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const max = 4;
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const marginEachCell = 6;
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chartInstance = new Chart(chartEl, {
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type: 'matrix',
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data: {
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datasets: [{
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label: 'Active',
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data: data,
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pointRadius: 0,
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borderWidth: 0,
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borderJoinStyle: 'round',
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borderRadius: 3,
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backgroundColor(c) {
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const value = c.dataset.data[c.dataIndex].v;
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const a = value / max;
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return alpha(color, a);
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},
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fill: true,
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width(c) {
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const a = c.chart.chartArea ?? {};
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return (a.right - a.left) / maxDays - marginEachCell;
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},
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height(c) {
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const a = c.chart.chartArea ?? {};
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return (a.bottom - a.top) / maxDays - (marginEachCell / 1.5);
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},
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}],
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},
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options: {
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aspectRatio: wide ? 2 : narrow ? 2 : 2,
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layout: {
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padding: {
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left: 8,
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right: 0,
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top: 0,
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bottom: 0,
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},
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},
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scales: {
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x: {
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position: 'top',
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suggestedMax: maxDays,
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grid: {
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display: false,
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},
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ticks: {
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display: true,
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padding: 0,
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maxRotation: 0,
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autoSkipPadding: 0,
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autoSkip: false,
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callback: (value, index, values) => value + 1,
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},
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},
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y: {
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type: 'time',
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min: new Date(new Date().getFullYear(), new Date().getMonth(), new Date().getDate() - maxDays),
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offset: true,
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reverse: true,
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position: 'left',
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time: {
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unit: 'day',
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round: 'day',
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},
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grid: {
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display: false,
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},
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ticks: {
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maxRotation: 0,
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autoSkip: true,
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padding: 1,
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font: {
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size: 9,
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},
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},
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},
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},
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plugins: {
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legend: {
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display: false,
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},
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tooltip: {
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enabled: false,
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callbacks: {
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title(context) {
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const v = context[0].dataset.data[context[0].dataIndex];
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return v.d;
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},
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label(context) {
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const v = context.dataset.data[context.dataIndex];
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return ['Active: ' + v.v];
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},
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},
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//mode: 'index',
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animation: {
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duration: 0,
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},
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external: externalTooltipHandler,
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},
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},
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},
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});
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}
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onMounted(async () => {
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renderChart();
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});
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</script>
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