eve2ntme65nt/index.js

EventManagementApp is a comprehensive solution for planning events.

class EventManagementApp {
  constructor() {
    this.events = [];
    this.attendees = [];
    this.emailQueue = [];
  }

  createEvent(eventDetails) {
    // Create a new event with the provided details
    const newEvent = {
      id: this.generateUniqueId(),
      details: eventDetails,
      attendees: [],
      registrationDeadline: new Date(eventDetails.date).setHours(12, 0, 0, 0), // Set registration deadline to noon on event date
      status: 'Pending', // Initial status of the event
      ticketSales: 0, // Initial ticket sales count
      revenue: 0, // Initial revenue generated
    };

    this.events.push(newEvent);
    return newEvent.id;
  }

  registerAttendee(eventId, attendeeDetails) {
    // Find the event with the given ID
    const event = this.events.find((event) => event.id === eventId);

    if (event && new Date() < event.registrationDeadline) {
      // Create a new attendee with the provided details
      const newAttendee = {
        id: this.generateUniqueId(),
        details: attendeeDetails,
        registrationDate: new Date(),
      };

      event.attendees.push(newAttendee);
      this.attendees.push(newAttendee);

      // Update ticket sales count and revenue
      event.ticketSales++;
      event.revenue += event.details.ticketPrice;

      // Check if event is close to capacity
      if (event.ticketSales >= event.details.capacity * 0.9) {
        this.emailQueue.push({
          eventId: event.id,
          subject: 'Event Capacity Alert',
          body: `Dear Event Organizer,\n\nThe event ${event.details.name} is close to reaching its maximum capacity. Please take necessary actions.\n\nBest regards,\nEvent Management System`,
        });
      }

      return newAttendee.id;
    }

    return null;
  }

  promoteEvent(eventId) {
    // Find the event with the given ID
    const event = this.events.find((event) => event.id === eventId);

    if (event && event.status !== 'Promoted') {
      // Promote the event by updating its status and sending promotional emails
      event.status = 'Promoted';

      // Send promotional emails to attendees
      event.attendees.forEach((attendee) => {
        this.sendEmail(attendee.details.email, 'Event Promotion', `Dear ${attendee.details.name},\n\nWe are pleased to inform you that the ${event.details.name} has been promoted. Don't miss out on this exciting event!\n\nBest regards,\nEvent Management Team`);
      });

      return true;
    }

    return false;
  }

  manageAttendees(eventId) {
    // Find the event with the given ID
    const event = this.events.find((event) => event.id === eventId);

    if (event) {
      // Return the list of attendees for the event
      return event.attendees;
    }

    return [];
  }

  generateUniqueId() {
    // Generate a unique ID for events and attendees
    return Math.random().toString(36).substr(2, 9);
  }

  sendEmail(email, subject, body) {
    // Simulate sending email (can be replaced with actual email sending code)
    console.log(`Sending email to ${email}: Subject - ${subject}\nBody - ${body}`);
  }

  processEmailQueue() {
    // Process the email queue and send pending emails
    while (this.emailQueue.length > 0) {
      const email = this.emailQueue.shift();
      this.sendEmail('admin@example.com', email.subject, email.body);
    }
  }
}

// Example usage
const app = new EventManagementApp();

const eventId = app.createEvent({
  name: 'Music Festival',
  date: '2024-07-15',
  location: 'City Park',
  capacity: 1000, // Maximum capacity of the event
  ticketPrice: 50, // Ticket price in USD
});

const attendeeId = app.registerAttendee(eventId, {
  name: 'John Doe',
  email: 'johndoe@example.com',
  age: 30,
  occupation: 'Software Engineer',
});

app.promoteEvent(eventId);
app.processEmailQueue();

const attendees = app.manageAttendees(eventId);

console.log('Event ID:', eventId);
console.log('Attendee ID:', attendeeId);
console.log('Attendees:', attendees);