FEATURE: Booking Waitlist

[ohbus]

Users should be able to waitlist their own lunch bookings.

Constraints:

• Users should not have opted-in for a meal on that particular day.
• Users can only waitlist today's day of booking for only a particular meal option.

Task:

• Method should be asynchronous
• Create a table extending the Base Entity
• Fields should be
  • timestamp DateTime
  • user_id (FK 🔑 ) - User Metadata NON_NULL
  • meal_option_id (FK 🔑 ) - Meal Options NON_NULL
  • booking_provided (FK 🔑 ) - Bookings
• Extend cancel booking to check the waitlist and assign before creating an available booking for a meal option.
• Send mail with Booking Confirmation and QR Code to the beneficiary user.
• Create a REST endpoint for Making a Waitlist /booking/waitlist/{meal_option_id} POST request.