@ideal-photography/shared/alerts/scheduler/bookingReminders.js

Shared MongoDB and utility logic for Ideal Photography PWAs: users, products, services, bookings, orders/cart, galleries, reviews, notifications, campaigns, settings, audit logs, minimart items/orders, and push notification subscriptions.

import { models } from '../../mongoDB/index.js';
import { emitAlert } from '../index.js';

const SIX_HOURS_MS = 6 * 60 * 60 * 1000;

/**
 * Find bookings whose preferred/confirmed date-time is within next 6h and emit reminders.
 * Intended to be run every hour by a cron job.
 */
export async function runBookingReminderJob() {
    const now = new Date();
    const sixHoursLater = new Date(now.getTime() + SIX_HOURS_MS);

    // Assuming booking.confirmedDate/time fields compose to Date `scheduledAt` virtual
    const bookings = await models.Booking.find({
        confirmedDate: { $lte: sixHoursLater, $gte: now },
        status: 'confirmed',
        reminderSent6h: { $ne: true }
    }).populate('userId');

    for (const b of bookings) {
        const user = b.userId;
        emitAlert('booking.reminder.6h', { booking: b, user });
        // mark flag
        b.reminderSent6h = true;
        await b.save();
    }

    return bookings.length;
}

// If executed directly via node, run once
if (import.meta.url === `file://${process.argv[1]}`) {
    (async () => {
        const count = await runBookingReminderJob();
        console.log(`Emitted ${count} booking.reminder.6h alerts`);
        process.exit();
    })();
}