Coding java web app

[Lans12]

Here are the basic requirements for the final project

1. a user can book his friend's time through the calendar. (it can be a day, 15 minutes, 30 minutes, a week or months)
2. if the user made an appointment with friend A. Friend A can't book another meeting with the same time and a friend of Friend A can't book another meeting with him with the same time
3. User can change time and/or date as long as it is not booked
4. User can decline an appointment with an option to write a message
5. a user can block his/her own time


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[🤖]

Great, it sounds like you are working on a scheduling application! Here are some general suggestions on how to approach each requirement:

1. To allow users to book time through the calendar, you can create a form where users can select the date and time they want to book. You can then save this information in a database and display it on the calendar as a booked slot. Make sure to include options for different time intervals (15 minutes, 30 minutes, etc.) and the ability to book for different durations (days, weeks, months).

2. To prevent double bookings, you can add validation checks when a user tries to book a time slot. You can check if the selected time slot is already booked by the same friend or if the friend is booked with someone else at that time. If the time slot is already booked, you can display an error message and prevent the booking from being made.

3. To allow users to change their booking, you can create a form where they can select the new date and time they want to book. You can then update the booking in the database if the new time slot is available. If the new time slot is already booked, you can display an error message and prevent the change from being made.

4. To allow users to decline a booking, you can add a button or link that lets them cancel the booking. You can also include a text field where they can write a message explaining the reason for the cancellation. This message can be saved in the database and displayed to the friend who made the booking.

5. To allow users to block their own time, you can create a form where they can select the date and time they want to block. You can then save this information in the database and display it on the calendar as a blocked slot. Make sure to include options for different time intervals and the ability to block for different durations.

These are just general suggestions, but you can customize your approach based on the specific requirements of your project. Good luck with your coding!