Resolve #4462

src/client/app/common/views/widgets/queue.vue

@@ -0,0 +1,157 @@
+<template>
+<div>
+	<ui-container :show-header="!props.compact">
+		<template #header><fa :icon="faTasks"/>Queue</template>
+
+		<div class="mntrproz">
+			<div>
+				<b>In</b>
+				<span v-if="latestStats">{{ latestStats.inbox.active | number }} / {{ latestStats.inbox.delayed | number }}</span>
+				<div ref="in"></div>
+			</div>
+			<div>
+				<b>Out</b>
+				<span v-if="latestStats">{{ latestStats.deliver.active | number }} / {{ latestStats.deliver.delayed | number }}</span>
+				<div ref="out"></div>
+			</div>
+		</div>
+	</ui-container>
+</div>
+</template>
+
+<script lang="ts">
+import define from '../../define-widget';
+import { faTasks } from '@fortawesome/free-solid-svg-icons';
+import ApexCharts from 'apexcharts';
+
+export default define({
+	name: 'queue',
+	props: () => ({
+		compact: false
+	})
+}).extend({
+	data() {
+		return {
+			stats: [],
+			inChart: null,
+			outChart: null,
+			faTasks
+		};
+	},
+
+	watch: {
+		stats(stats) {
+			this.inChart.updateSeries([{
+				data: stats.map((x, i) => ({ x: i, y: x.inbox.active }))
+			}, {
+				data: stats.map((x, i) => ({ x: i, y: x.inbox.delayed }))
+			}]);
+			this.outChart.updateSeries([{
+				data: stats.map((x, i) => ({ x: i, y: x.deliver.active }))
+			}, {
+				data: stats.map((x, i) => ({ x: i, y: x.deliver.delayed }))
+			}]);
+		}
+	},
+
+	computed: {
+		latestStats(): any {
+			return this.stats[this.stats.length - 1];
+		}
+	},
+
+	mounted() {
+		const chartOpts = {
+			chart: {
+				type: 'area',
+				height: 70,
+				animations: {
+					dynamicAnimation: {
+						enabled: false
+					}
+				},
+				sparkline: {
+					enabled: true,
+				}
+			},
+			tooltip: {
+				enabled: false
+			},
+			stroke: {
+				curve: 'straight',
+				width: 1
+			},
+			series: [{
+				data: [] as any
+			}, {
+				data: [] as any
+			}],
+			yaxis: {
+				min: 0,
+			}
+		};
+
+		this.inChart = new ApexCharts(this.$refs.in, chartOpts);
+		this.outChart = new ApexCharts(this.$refs.out, chartOpts);
+
+		this.inChart.render();
+		this.outChart.render();
+
+		const connection = this.$root.stream.useSharedConnection('queueStats');
+		connection.on('stats', this.onStats);
+		connection.on('statsLog', this.onStatsLog);
+		connection.send('requestLog', {
+			id: Math.random().toString().substr(2, 8),
+			length: 50
+		});
+
+		this.$once('hook:beforeDestroy', () => {
+			connection.dispose();
+			this.inChart.destroy();
+			this.outChart.destroy();
+		});
+	},
+
+	methods: {
+		func() {
+			this.props.compact = !this.props.compact;
+			this.save();
+		},
+
+		onStats(stats) {
+			this.stats.push(stats);
+			if (this.stats.length > 50) this.stats.shift();
+		},
+
+		onStatsLog(statsLog) {
+			for (const stats of statsLog.reverse()) {
+				this.onStats(stats);
+			}
+		}
+	}
+});
+</script>
+
+<style lang="stylus" scoped>
+.mntrproz
+	display flex
+	padding 4px
+
+	> div
+		width 50%
+		padding 4px
+
+		> b
+			display block
+			font-size 12px
+			color var(--text)
+
+		> span
+			position absolute
+			top 4px
+			right 4px
+			opacity 0.7
+			font-size 12px
+			color var(--text)
+
+</style>