View Flight

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Description:
Shows the details of a flight, with different options, depending on user-type

Accessible by:
Managers

Accessed from:
Select Flight (for managers)
Cheapest Flights (for managers)
View Flights
Add Flight
Cancel Flight Form if the manager decides not to cancel the flight.

Input parameters:
flightNumber

Output
Flight data (to, from (with links to View Airport number of seats sold and available, revenue information, list of all bookings made on the flight and a link to Cancel Flight

Pseudo Code:

get/create session
if ('usertype' param in the session == 'm') {
   get parameters from the form
   if (there is a 'flightNumber' param) {
      get flight and route data from the database
      display flight information (route (with link to View Route), from (with link to View Airport), to (with link to View Airport), operator, date, time, first class price, economy price, children's price)
      get booking information from the DB
      display number of seats booked and available
      display total revenue associated with the flight
      display list of all bookings associated with the flight
      display link to Cancel Flight (with areYouSure param set to 'no')
   }
   else {
      display an error message
   }
}
else {
   error message to say user must be a manager
}