Airport Ticket Booking System

Objective:

Develop a .NET console application for an airport ticket booking system. This application should enable passengers to book flight tickets and allow a manager to manage the bookings.

Data Storage:

• Use the file system as the data storage layer.

For the Passenger:

Features:

1. Book a Flight:
   • Select a flight based on various search parameters.
   • Choose a class for the flight (Economy, Business, First Class). Prices should vary according to the class selected.
2. Search for Available Flights:
   • Parameters:
     • Price
     • Departure Country
     • Destination Country
     • Departure Date
     • Departure Airport
     • Arrival Airport
     • Class
3. Manage Bookings:
   • Cancel a booking
   • Modify a booking
   • View personal bookings

For the Manager:

Features:

1. Filter Bookings:
   • Parameters:
     • Flight
     • Price
     • Departure Country
     • Destination Country
     • Departure Date
     • Departure Airport
     • Arrival Airport
     • Passenger
     • Class
2. Batch Flight Upload:
   • Import a list of flights into the system using a CSV file.
3. Validate Imported Flight Data:
   • Apply model-level validations to the imported file data.
   • Return a detailed list of errors to help the manager identify and rectify issues in the imported file.
4. Dynamic Model Validation Details:
   • Provide dynamically generated details about the validation constraints for each field of the flight data model.
   • Example Result:
     • Departure Country:
       • Type: Free Text
       • Constraint: Required
     • Departure Date:
       • Type: Date Time
       • Constraint: Required, Allowed Range (today → future)

Notes:

• Ensure the application is well-structured, readable, and maintainable.
• Apply best practices and conventions of C# programming.

Estimated Time:

• 3 days