35 lines
858 B
JavaScript
35 lines
858 B
JavaScript
const Notification = require('../models/notification');
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async function aggregateLowPriorityNotifications(userId) {
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const oneHourFromNow = new Date(Date.now() + 60 * 60 * 1000);
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const notifications = await Notification.find({
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userId,
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priority: 'low',
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sendTime: { $lte: oneHourFromNow },
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status: 'pending'
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});
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if (notifications.length > 1) {
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const summary = `You have ${notifications.length}
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${notifications.map(n => '- ' + n.message).join('\n')}`;
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await Notification.updateMany(
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{ _id: { $in: notifications.map(n => n._id) } },
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{ $set: { status: 'aggregated' } }
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);
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return new Notification({
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userId,
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message: summary,
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priority: 'low',
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sendTime: new Date(),
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status: 'pending'
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});
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}
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return null;
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}
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module.exports = { aggregateLowPriorityNotifications };
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