61 lines
792 B
TypeScript
61 lines
792 B
TypeScript
import Note from '../models/note';
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// 10分
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const interval = 1000 * 60 * 10;
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async function tick() {
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const res = await Note.aggregate([{
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$match: {
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createdAt: {
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$gt: new Date(Date.now() - interval)
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},
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tags: {
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$exists: true,
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$ne: []
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}
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}
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}, {
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$unwind: '$tags'
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}, {
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$group: {
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_id: '$tags',
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count: {
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$sum: 1
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}
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}
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}, {
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$group: {
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_id: null,
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tags: {
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$push: {
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tag: '$_id',
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count: '$count'
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}
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}
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}
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}, {
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$project: {
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_id: false,
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tags: true
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}
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}]) as {
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tags: Array<{
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tag: string;
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count: number;
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}>
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};
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const stats = res.tags
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.sort((a, b) => a.count - b.count)
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.map(tag => [tag.tag, tag.count])
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.slice(0, 10);
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console.log(stats);
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process.send(stats);
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}
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tick();
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setInterval(tick, interval);
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