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Dependencies

The sample application uses Ruby 3.0.0 and Node 16.0.0

Confirm a booking

Within our sample booking application we have provisional bookings and we need to confirm these.

Upon confirming a booking, users associated with the booking may receive a confirmation message - this can be an email or an SMS.

The content of the message is not important, its just that we trigger the appropriate message delivery method.

Requirements

Create a Rails API endpoint to transition a provisional booking to the confirmed state.

PATCH /api/v1/bookings/:id/confirm

Params

name value required
send_confirmation_msg Boolean N
confirmation_type String (email, sms) N

  1. Update the booking state from provisional to confirmed (see confirmation rules)

  2. Set the timestamp for confirmed_at and who the user confirming the booking is

  3. Send a confirmation notification to:

    • The user associated with the booking
    • The host associated with the booking (if the host is present)
  • If send_confirmation_msg param is present then a confirmation message should be sent to both the booking user and the booking host
  • If confirmation_type param is set to :sms then send a SMS (use SMSSender.new(number, msg).deliver - its in the lib directory)
  • If confirmation_type param is set to :email then send a email
  • If confirmation_type is not set then send an email

Confirmation Rules

A booking will transition through many states in its lifetime.

State Description
Provisional Booking has just been made
Confirmed Admin has confirmed bookings or user has paid for the booking
Cancelled Admin or user has cancelled the booking
Expired Booking was not confirmed and is in the past

Rules

  • Unapproved users cannot confirm bookings
  • Users can only confirm their own bookings
  • Bookings in the past cannot be confirmed
  • Confirmed bookings cannot be re-confirmed
  • Cancelled bookings cannot be confirmed
  • Expired bookings cannot be confirmed

Bonus Points

  • Appropriate test coverage
  • Design considerations
  • Git history

Time

We're looking for candidates to spend longer no than an hour working on this task.

Submission

Clone the repo and submit a zip file back via email (don't fork as other candidates will then see the code samples)