1 files changed, 218 insertions, 0 deletions
diff --git a/packages/frontend/src/components/MkHeatmap.vue b/packages/frontend/src/components/MkHeatmap.vue
new file mode 100644
index 0000000000..f222fca9a1
--- /dev/null
+++ b/packages/frontend/src/components/MkHeatmap.vue
@@ -0,0 +1,218 @@
+<template>
+<div ref="rootEl">
+	<MkLoading v-if="fetching"/>
+	<div v-else>
+		<canvas ref="chartEl"></canvas>
+	</div>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { markRaw, version as vueVersion, onMounted, onBeforeUnmount, nextTick, watch } from 'vue';
+import { Chart } from 'chart.js';
+import tinycolor from 'tinycolor2';
+import { MatrixController, MatrixElement } from 'chartjs-chart-matrix';
+import * as os from '@/os';
+import { defaultStore } from '@/store';
+import { useChartTooltip } from '@/scripts/use-chart-tooltip';
+import { chartVLine } from '@/scripts/chart-vline';
+import { alpha } from '@/scripts/color';
+import { initChart } from '@/scripts/init-chart';
+
+initChart();
+
+const props = defineProps<{
+	src: string;
+}>();
+
+const rootEl = $shallowRef<HTMLDivElement>(null);
+const chartEl = $shallowRef<HTMLCanvasElement>(null);
+const now = new Date();
+let chartInstance: Chart = null;
+let fetching = $ref(true);
+
+const { handler: externalTooltipHandler } = useChartTooltip({
+	position: 'middle',
+});
+
+async function renderChart() {
+	if (chartInstance) {
+		chartInstance.destroy();
+	}
+
+	const wide = rootEl.offsetWidth > 700;
+	const narrow = rootEl.offsetWidth < 400;
+
+	const weeks = wide ? 50 : narrow ? 10 : 25;
+	const chartLimit = 7 * weeks;
+
+	const getDate = (ago: number) => {
+		const y = now.getFullYear();
+		const m = now.getMonth();
+		const d = now.getDate();
+
+		return new Date(y, m, d - ago);
+	};
+
+	const format = (arr) => {
+		return arr.map((v, i) => {
+			const dt = getDate(i);
+			const iso = `${dt.getFullYear()}-${(dt.getMonth() + 1).toString().padStart(2, '0')}-${dt.getDate().toString().padStart(2, '0')}`;
+			return {
+				x: iso,
+				y: dt.getDay(),
+				d: iso,
+				v,
+			};
+		});
+	};
+
+	let values;
+
+	if (props.src === 'active-users') {
+		const raw = await os.api('charts/active-users', { limit: chartLimit, span: 'day' });
+		values = raw.readWrite;
+	} else if (props.src === 'notes') {
+		const raw = await os.api('charts/notes', { limit: chartLimit, span: 'day' });
+		values = raw.local.inc;
+	} else if (props.src === 'ap-requests-inbox-received') {
+		const raw = await os.api('charts/ap-request', { limit: chartLimit, span: 'day' });
+		values = raw.inboxReceived;
+	} else if (props.src === 'ap-requests-deliver-succeeded') {
+		const raw = await os.api('charts/ap-request', { limit: chartLimit, span: 'day' });
+		values = raw.deliverSucceeded;
+	} else if (props.src === 'ap-requests-deliver-failed') {
+		const raw = await os.api('charts/ap-request', { limit: chartLimit, span: 'day' });
+		values = raw.deliverFailed;
+	}
+
+	fetching = false;
+
+	await nextTick();
+
+	const color = defaultStore.state.darkMode ? '#b4e900' : '#86b300';
+
+	// 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
+	const max = values.slice().sort((a, b) => b - a).slice(0, 3).reduce((a, b) => a + b, 0) / 3;
+
+	const min = Math.max(0, Math.min(...values) - 1);
+
+	const marginEachCell = 4;
+
+	chartInstance = new Chart(chartEl, {
+		type: 'matrix',
+		data: {
+			datasets: [{
+				label: 'Read & Write',
+				data: format(values),
+				pointRadius: 0,
+				borderWidth: 0,
+				borderJoinStyle: 'round',
+				borderRadius: 3,
+				backgroundColor(c) {
+					const value = c.dataset.data[c.dataIndex].v;
+					let a = (value - min) / max;
+					if (value !== 0) { // 0でない限りは完全に不可視にはしない
+						a = Math.max(a, 0.05);
+					}
+					return alpha(color, a);
+				},
+				fill: true,
+				width(c) {
+					const a = c.chart.chartArea ?? {};
+					return (a.right - a.left) / weeks - marginEachCell;
+				},
+				height(c) {
+					const a = c.chart.chartArea ?? {};
+					return (a.bottom - a.top) / 7 - marginEachCell;
+				},
+			}],
+		},
+		options: {
+			aspectRatio: wide ? 6 : narrow ? 1.8 : 3.2,
+			layout: {
+				padding: {
+					left: 8,
+					right: 0,
+					top: 0,
+					bottom: 0,
+				},
+			},
+			scales: {
+				x: {
+					type: 'time',
+					offset: true,
+					position: 'bottom',
+					time: {
+						unit: 'week',
+						round: 'week',
+						isoWeekday: 0,
+						displayFormats: {
+							day: 'M/d',
+							month: 'Y/M',
+							week: 'M/d',
+						},
+					},
+					grid: {
+						display: false,
+					},
+					ticks: {
+						display: true,
+						maxRotation: 0,
+						autoSkipPadding: 8,
+					},
+				},
+				y: {
+					offset: true,
+					reverse: true,
+					position: 'right',
+					grid: {
+						display: false,
+					},
+					ticks: {
+						maxRotation: 0,
+						autoSkip: true,
+						padding: 1,
+						font: {
+							size: 9,
+						},
+						callback: (value, index, values) => ['', 'Mon', '', 'Wed', '', 'Fri', ''][value],
+					},
+				},
+			},
+			plugins: {
+				legend: {
+					display: false,
+				},
+				tooltip: {
+					enabled: false,
+					callbacks: {
+						title(context) {
+							const v = context[0].dataset.data[context[0].dataIndex];
+							return v.d;
+						},
+						label(context) {
+							const v = context.dataset.data[context.dataIndex];
+							return ['Active: ' + v.v];
+						},
+					},
+					//mode: 'index',
+					animation: {
+						duration: 0,
+					},
+					external: externalTooltipHandler,
+				},
+			},
+		},
+	});
+}
+
+watch(() => props.src, () => {
+	fetching = true;
+	renderChart();
+});
+
+onMounted(async () => {
+	renderChart();
+});
+</script>