From d437e148db668c298e24a226d7bb1791d89b65e8 Mon Sep 17 00:00:00 2001
From: syuilo <Syuilotan@yahoo.co.jp>
Date: Sat, 22 Apr 2023 12:50:40 +0900
Subject: [PATCH] :art:

---
 .../MkVisitorDashboard.ActiveUsersChart.vue   | 157 ++++++++++++++++++
 .../src/components/MkVisitorDashboard.vue     |  29 ++--
 packages/frontend/src/ui/visitor.vue          |   2 +-
 3 files changed, 174 insertions(+), 14 deletions(-)
 create mode 100644 packages/frontend/src/components/MkVisitorDashboard.ActiveUsersChart.vue

diff --git a/packages/frontend/src/components/MkVisitorDashboard.ActiveUsersChart.vue b/packages/frontend/src/components/MkVisitorDashboard.ActiveUsersChart.vue
new file mode 100644
index 0000000000..fb705786cf
--- /dev/null
+++ b/packages/frontend/src/components/MkVisitorDashboard.ActiveUsersChart.vue
@@ -0,0 +1,157 @@
+<template>
+<div>
+	<MkLoading v-if="fetching"/>
+	<div v-show="!fetching" :class="$style.root">
+		<canvas ref="chartEl"></canvas>
+	</div>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { onMounted } from 'vue';
+import { Chart } from 'chart.js';
+import gradient from 'chartjs-plugin-gradient';
+import tinycolor from 'tinycolor2';
+import * as os from '@/os';
+import { defaultStore } from '@/store';
+import { useChartTooltip } from '@/scripts/use-chart-tooltip';
+import { chartVLine } from '@/scripts/chart-vline';
+import { initChart } from '@/scripts/init-chart';
+
+initChart();
+
+const chartEl = $shallowRef<HTMLCanvasElement>(null);
+const now = new Date();
+let chartInstance: Chart = null;
+const chartLimit = 30;
+let fetching = $ref(true);
+
+const { handler: externalTooltipHandler } = useChartTooltip();
+
+async function renderChart() {
+	if (chartInstance) {
+		chartInstance.destroy();
+	}
+
+	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) => ({
+			x: getDate(i).getTime(),
+			y: v,
+		}));
+	};
+
+	const raw = await os.api('charts/active-users', { limit: chartLimit, span: 'day' });
+
+	const vLineColor = defaultStore.state.darkMode ? 'rgba(255, 255, 255, 0.2)' : 'rgba(0, 0, 0, 0.2)';
+
+	const computedStyle = getComputedStyle(document.documentElement);
+	const accent = tinycolor(computedStyle.getPropertyValue('--accent')).toHexString();
+
+	const colorRead = accent;
+	const colorWrite = '#2ecc71';
+
+	const max = Math.max(...raw.read);
+
+	chartInstance = new Chart(chartEl, {
+		type: 'bar',
+		data: {
+			datasets: [{
+				parsing: false,
+				label: 'Read',
+				data: format(raw.read).slice().reverse(),
+				pointRadius: 0,
+				borderWidth: 0,
+				borderJoinStyle: 'round',
+				borderRadius: 4,
+				backgroundColor: colorRead,
+				barPercentage: 0.5,
+				categoryPercentage: 1,
+				fill: true,
+			}],
+		},
+		options: {
+			aspectRatio: 2.5,
+			layout: {
+				padding: {
+					left: 0,
+					right: 8,
+					top: 0,
+					bottom: 0,
+				},
+			},
+			scales: {
+				x: {
+					type: 'time',
+					offset: true,
+					time: {
+						stepSize: 1,
+						unit: 'day',
+						displayFormats: {
+							day: 'M/d',
+							month: 'Y/M',
+						},
+					},
+					grid: {
+						display: false,
+					},
+					ticks: {
+						display: true,
+						maxRotation: 0,
+						autoSkipPadding: 8,
+					},
+				},
+				y: {
+					position: 'left',
+					suggestedMax: 10,
+					grid: {
+						display: true,
+					},
+					ticks: {
+						display: true,
+						//mirror: true,
+					},
+				},
+			},
+			interaction: {
+				intersect: false,
+				mode: 'index',
+			},
+			plugins: {
+				legend: {
+					display: false,
+				},
+				tooltip: {
+					enabled: false,
+					mode: 'index',
+					animation: {
+						duration: 0,
+					},
+					external: externalTooltipHandler,
+				},
+				gradient,
+			},
+		},
+		plugins: [chartVLine(vLineColor)],
+	});
+
+	fetching = false;
+}
+
+onMounted(async () => {
+	renderChart();
+});
+</script>
+
+<style lang="scss" module>
+.root {
+	padding: 20px;
+}
+</style>
diff --git a/packages/frontend/src/components/MkVisitorDashboard.vue b/packages/frontend/src/components/MkVisitorDashboard.vue
index 80717a2618..9de5200ef0 100644
--- a/packages/frontend/src/components/MkVisitorDashboard.vue
+++ b/packages/frontend/src/components/MkVisitorDashboard.vue
@@ -1,6 +1,6 @@
 <template>
 <div v-if="meta" :class="$style.root">
-	<div :class="$style.main">
+	<div :class="[$style.main, $style.panel]">
 		<img :src="instance.iconUrl || instance.faviconUrl || '/favicon.ico'" alt="" :class="$style.mainIcon"/>
 		<button class="_button _acrylic" :class="$style.mainMenu" @click="showMenu"><i class="ti ti-dots"></i></button>
 		<div :class="$style.mainFg">
@@ -24,21 +24,24 @@
 		</div>
 	</div>
 	<div v-if="stats" :class="$style.stats">
-		<div :class="$style.statsItem">
+		<div :class="[$style.statsItem, $style.panel]">
 			<div :class="$style.statsItemLabel">{{ i18n.ts.users }}</div>
 			<div :class="$style.statsItemCount"><MkNumber :value="stats.originalUsersCount"/></div>
 		</div>
-		<div :class="$style.statsItem">
+		<div :class="[$style.statsItem, $style.panel]">
 			<div :class="$style.statsItemLabel">{{ i18n.ts.notes }}</div>
 			<div :class="$style.statsItemCount"><MkNumber :value="stats.originalNotesCount"/></div>
 		</div>
 	</div>
-	<div v-if="instance.policies.ltlAvailable" :class="$style.tl">
+	<div v-if="instance.policies.ltlAvailable" :class="[$style.tl, $style.panel]">
 		<div :class="$style.tlHeader">{{ i18n.ts.letsLookAtTimeline }}</div>
 		<div :class="$style.tlBody">
 			<MkTimeline src="local"/>
 		</div>
 	</div>
+	<div :class="[$style.activeUsersChart, $style.panel]">
+		<XActiveUsersChart/>
+	</div>
 </div>
 </template>
 
@@ -57,6 +60,7 @@ import { i18n } from '@/i18n';
 import { instance } from '@/instance';
 import number from '@/filters/number';
 import MkNumber from '@/components/MkNumber.vue';
+import XActiveUsersChart from '@/components/MkVisitorDashboard.ActiveUsersChart.vue';
 
 let meta = $ref<Instance>();
 let stats = $ref(null);
@@ -119,11 +123,14 @@ function exploreOtherServers() {
 	padding: 32px 0 0 0;
 }
 
-.main {
+.panel {
 	position: relative;
 	background: var(--panel);
 	border-radius: var(--radius);
 	box-shadow: 0 12px 32px rgb(0 0 0 / 25%);
+}
+
+.main {
 	text-align: center;
 }
 
@@ -185,11 +192,7 @@ function exploreOtherServers() {
 }
 
 .statsItem {
-	position: relative;
-	background: var(--panel);
-	border-radius: var(--radius);
 	overflow: clip;
-	box-shadow: 0 12px 32px rgb(0 0 0 / 25%);
 	padding: 16px 20px;
 }
 
@@ -205,11 +208,7 @@ function exploreOtherServers() {
 }
 
 .tl {
-	position: relative;
-	background: var(--panel);
-	border-radius: var(--radius);
 	overflow: clip;
-	box-shadow: 0 12px 32px rgb(0 0 0 / 25%);
 }
 
 .tlHeader {
@@ -221,4 +220,8 @@ function exploreOtherServers() {
 	height: 350px;
 	overflow: auto;
 }
+
+.activeUsersChart {
+
+}
 </style>
diff --git a/packages/frontend/src/ui/visitor.vue b/packages/frontend/src/ui/visitor.vue
index 1b95387967..623abbda39 100644
--- a/packages/frontend/src/ui/visitor.vue
+++ b/packages/frontend/src/ui/visitor.vue
@@ -10,7 +10,7 @@
 	</div>
 
 	<div class="main">
-		<div class="header">
+		<div v-if="!root" class="header">
 			<div v-if="narrow === false" class="wide">
 				<MkA to="/" class="link" active-class="active"><i class="ti ti-home icon"></i> {{ i18n.ts.home }}</MkA>
 				<MkA v-if="isTimelineAvailable" to="/timeline" class="link" active-class="active"><i class="ti ti-message icon"></i> {{ i18n.ts.timeline }}</MkA>