158 lines
3 KiB
Vue
158 lines
3 KiB
Vue
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<template>
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<div>
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<MkLoading v-if="fetching"/>
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<div v-show="!fetching" :class="$style.root">
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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 { onMounted } from 'vue';
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import { Chart } from 'chart.js';
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import gradient from 'chartjs-plugin-gradient';
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import tinycolor from 'tinycolor2';
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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 { initChart } from '@/scripts/init-chart';
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initChart();
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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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const chartLimit = 30;
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let fetching = $ref(true);
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const { handler: externalTooltipHandler } = useChartTooltip();
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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 getDate = (ago: number) => {
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const y = now.getFullYear();
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const m = now.getMonth();
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const d = now.getDate();
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return new Date(y, m, d - ago);
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};
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const format = (arr) => {
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return arr.map((v, i) => ({
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x: getDate(i).getTime(),
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y: v,
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}));
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};
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const raw = await os.api('charts/active-users', { limit: chartLimit, span: 'day' });
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const vLineColor = defaultStore.state.darkMode ? 'rgba(255, 255, 255, 0.2)' : 'rgba(0, 0, 0, 0.2)';
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const computedStyle = getComputedStyle(document.documentElement);
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const accent = tinycolor(computedStyle.getPropertyValue('--accent')).toHexString();
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const colorRead = accent;
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const colorWrite = '#2ecc71';
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const max = Math.max(...raw.read);
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chartInstance = new Chart(chartEl, {
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type: 'bar',
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data: {
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datasets: [{
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parsing: false,
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label: 'Read',
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data: format(raw.read).slice().reverse(),
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pointRadius: 0,
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borderWidth: 0,
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borderJoinStyle: 'round',
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borderRadius: 4,
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backgroundColor: colorRead,
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barPercentage: 0.5,
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categoryPercentage: 1,
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fill: true,
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}],
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},
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options: {
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aspectRatio: 2.5,
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layout: {
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padding: {
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left: 0,
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right: 8,
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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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type: 'time',
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offset: true,
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time: {
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stepSize: 1,
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unit: 'day',
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displayFormats: {
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day: 'M/d',
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month: 'Y/M',
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},
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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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display: true,
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maxRotation: 0,
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autoSkipPadding: 8,
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},
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},
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y: {
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position: 'left',
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suggestedMax: 10,
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grid: {
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display: true,
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},
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ticks: {
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display: true,
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//mirror: true,
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},
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},
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},
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interaction: {
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intersect: false,
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mode: 'index',
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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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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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gradient,
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},
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},
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plugins: [chartVLine(vLineColor)],
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});
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fetching = false;
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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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<style lang="scss" module>
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.root {
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padding: 20px;
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}
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</style>
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