Your neighbor is an agent for a group of magicians. People call her to book magi

Question

Your neighbor is an agent for a group of magicians. People call her to book magicians for

holidays. She would like to use her new computer to keep track of the jobs she schedules for

the magicians she manages, so she hires you to write the program.

Input

1. The list of magician names is in text file "Magician.dat". The names are listed one per line,

and have a maximum of 20 characters.

2. The list of holidays is in text file "Holidays.dat". Again, the names are in listed one per line

and have a maximum of 20 characters.

3. The current schedule (retained data from the previous executions of the program) is in file

"Schedule". You determine the format of this file as part of your assignment.

4. The user (your neighbor the agent) inputs commands from the keyboard, in response from

program prompts, as described under Command Processing below.

Output

1. Prompts, menus, and responses to user commands are to be written to the screen, as

described in the Processing instructions below.

2. File "Schedule" must be rewritten to contain the updated magician schedule information.

Command Processing

The program must process the commands described below. You may determine the

details of the user interface; it must be relatively "friendly" and usable.

SCHEDULE (customer) (holiday)

Prompt the user for the name of the customer who wants to schedule a magician, and for the

name of the holiday to be scheduled. Check to see if there is a magician free for this holiday.

You should sequence through the magicians in the order in which you read them in. If a

magician is available, book the magician; then print out the name of the magician, the holiday,

and the name of the customer. If a magician is not available, put the customer on a waiting list,

and print out a message indicating that the customer and holiday have been put on a waiting

list.

CANCEL (customer) (holiday)

Prompt the user for the customer name and holiday. Delete the booking of a magician for the

listed holiday. Delete the reservation for that holiday. Update the schedule of the magician who

was going to perform for the occasion. This may allow someone on the waiting list to be served.

Sequence through the waiting list to see if someone wanted a booking on that holiday. If

someone did want a magician on that holiday, schedule the booking and print a message. If this

person is on the waiting list, delete the name from the waiting list.

STATUS (magician or holiday)

Prompt the user for the name of either a magician or holiday. Print out the appropriate schedule,

appropriately formatted and labeled.

Page "1 of "2

Assignment - Magician

QUIT

Save the updated data to the files, then terminate the program.

Data Structures

You need lists for storing each of the following:

1. A list of bookings for each holiday. (You may assume that there are at most ten holidays.)

Each list is the schedule of one holiday. Each list element contains the name of the

customer who made the booking and the name of the magician. Each list should be stored

in alphabetical order, using the customer name as a key.

2. A list of bookings for each magician. (You may assume that there are at most ten

magicians.) Each list is the schedule of one magician. Each list element contains the name

of the customer who made the booking and the holiday. Each list should be stored in

alphabetical order, using the holiday name as a key.

3. A waiting list. You add to the back of the waiting list if someone requests an appointment

and there are no free magicians.

Testing

You need to execute the program more than one time. Save the output after each test run to a

file.

Explanation / Answer

Your neighbor is an agent for a group of magicians. People call her to book magicians for holidays.

She would like to use her new computer to keep track of the jobs she schedules for the magicians she

manages, so she hires you to write the program. (This assignment was modified from Rick Alterman.)

Input

1. The list of magician names is in text file "Magician.txt". The names are listed one per line,

and have a maximum of 20 characters.

2. The list of holidays is in text file "Holidays.txt". Again, the names are in listed one per line

and have a maximum of 20 characters.

3. The current schedule (retained data from the previous executions of the program) is in file

"Schedule.txt". You determine the format of this file as part of your assignment.

4. The user (your neighbor the agent) inputs commands from the keyboard, in response from

program prompts, as described under Command Processing below.

Output

1. Prompts, menus, and responses to user commands are to be written to the screen, as described in

the Processing instructions below.

2. A summary of each command's transaction must be written to a text file called

"Transactions.txt". You may determine the format of the information in this file; it should be

labeled and formatted clearly.

3. File "Schedule.txt" must be rewritten to contain the updated magician schedule information.

Command Processing

The program must process the commands described below. You may determine the details of the user

interface; it must be relatively "friendly" and usable.

SIGNUP (magician)

Prompt the user for the name of the new magician who is signing up with the agent.

SCHEDULE (customer) (holiday)

Prompt the user for the name of the customer who wants to schedule a magician and for the name of

the holiday to be scheduled. Check to see if there is a magician free for this holiday. You should sequence

through the magicians in the order in which you read them in. If a magician is available, book the magician;

then print out the name of the magician, the holiday, and the name of the customer. If a magician is not

available, put the customer on a waiting list, and print out a message indicating that the customer and

holiday have been put on a waiting list.

QUIT

Save the updated data to the files, and then terminate the program. CANCEL (customer) (holiday)

Prompt the user for the customer name and holiday. Delete the booking of a magician for the listed

holiday. Delete the reservation for that holiday. Update the schedule of the magician who was going to

perform for the occasion. This may allow someone on the waiting list to be served. Sequence through the

waiting list to see if someone wanted a booking on that holiday. If someone did want a magician on that

holiday, schedule the booking and print a message. If this person is on the waiting list, delete the name

from the waiting list.

STATUS (magician or holiday)

Prompt the user for the name of either a magician or holiday. Print out the appropriate schedule,

appropriately formatted and labeled.

DROPOUT (magician)

Prompt the user for the name of the magician who no longer needs the services of the agent. You must

try to redistribute that magician's bookings to other magicians. If you reschedule a booking, print a

message. If you can't, print out a message and add the request to the front of the waiting list.

Data Structures

You need lists for storing each of the following:

1. A list of bookings for each holiday. (You may assume that there are at most ten holidays.) Each

list is the schedule of one holiday. Each list element contains the name of the customer who made the

booking and the name of the magician. Each list should be stored in alphabetical order, using the customer

name as a key.

2. A list of bookings for each magician. (You may assume that there are at most ten magicians.) Each

list is the schedule of one magician. Each list element contains the name of the customer who made the

booking and the holiday. Each list should be stored in alphabetical order, using the holiday name as a key.

3. A waiting list. (There is no limit on how big the wait list can grow.) You need to be able to add to

either end of the waiting list. You add to the front of the waiting list if you are rescheduling someone who

had a booking, but lost it when a magician quit. You add to the back of the waiting list if someone requests

an appointment and there are no free magicians.

Testing

This program is complicated. You should use both top-down and bottom-up testing. You need to

execute the program more than one time. Make a hard copy of the output file ("Transactions.txt ")

after each test run, as the program rewrites this file each time it is executed.

Deliverables

? Your design for each class

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