ITECH1400: Foundations of Programming - Designing and Programming Applications - IT Assignment Help

Assignment Task:

Task:

This assignment will test your skills in designing and programming applications to specification and is worth 20% of your non-invigilated (type A) marks for this course. This is an INDIVIDUAL ASSIGNMENT – and while you may discuss it with your fellow students, you must not share designs or code or you will be in breach of the university plagiarism rules. This assignment should take you approximately 20 hours to complete.

Assignment Overview
You are tasked with creating an application that uses a GUI that simulates a simple money manager. This tool is used to track all spending of an individual.
The assignment is broken up into the following main components:
1.) The ability to provide a login screen to prevent other people from viewing the information contained in the tool
2.) The ability to view the current balance funds, add purchases made and deposits into the balance
3.) The ability to save the transactions to a file so that you can log in, add transactions to the application, log out and then return to find all of the transactions still there – i.e. the data is persistent.
4.) The ability to display a graph of your spending broken down by type – i.e. food, bills, rent.
5.) A Test Case that ensures that your simple money manager works as required.

Your submission should consist three Python scripts that implement the computer program (moneymanager.py, main.py and testmoneymanager.py).
You are provided with a 'stub' of each of these files which contain all the function declarations and comments which describe the role of the function and how it can be put together, but you will have to write the code for vast majority of the functions yourself.
Your final submission should be a zipped archive (i.e. ‘zip file’) containing your completed Python scripts.

Assignment Part 1 Details
Class Design – Money Manager Tool
The following design for MoneyManager

The following is the functionality of the class:
• add_entry – this adds a new entry into the money manager representing the spending of the user. This includes the amount spent and the type of item the money was spend on. It also removes the amount from the current balance. For the sake of simplicity the type of item the money was spent on can only be food, rent, bills, entertainment or other – any other type will raise an exception that should be handled
• Each transaction in the transaction_list is a tuple containing the word Deposit followed by an amount or EntryType followed by an amount
• The user of the tool cannot go into a negative balance so the user cannot spend money that is not available in their user account. So if they have $100 in their user account and then want to add an entry to spend $150, an exception will be raised with a suitable error message which is caught and displayed in the main.py file where the operation was attempted.
• All error messages, such as those from exceptions, should be displayed in a pop-up message box
• The get_transaction_string method should loop over all the transactions in the transaction_list creating a string version (with newline characters) of all the transactions associated with the user.
• The save_to_file function should save the user_number, pin_number, and balance in that order to a file called <user_number>.txt followed by the transaction list string generated from the get_transaction_string() method. The name of the user file is NOT '<user_number>.txt' - the name of the file is the ACTUAL USER NUMBER followed by ".txt", so for an user with user_number 123456 the name of the user file would be 123456.txt.

The Main Python Script
Our main.py script will contain all the main logic for our program. It will allow us to:
• Enter a user number via an Entry field by using the keyboard,
• Enter a PIN number via an Entry widget (we can use the keyboard OR a series of buttons to enter the PIN),
• Once we are logged in we must be able to:
o See the balance of the user,
o Deposit money for the user,
o Add entries to represent spending of funds from our user (only up to the amount we have available),
o Display a plot of spending
o Log out of our user.

Login Screen
When the application is first launched, it should open a window that is "500x660" pixels in size (use the window object’s geometry function to set this). Set the title of the window to "FedUni Money Manager" using the top-level window object's winfo_toplevel().title() function.

The window uses the GridManager layout manager for placing GUI elements (e.g. 'widgets'), it contains a Label that spans the top of the window saying "FedUni Money Manager" (font size is 28). On the next line is a label saying "User Number" and then an Entry widget for the user to type in their user number and an entry for the PIN number.
It then has a series of buttons from 0 through 9, along with a Log In button and a Clear/Cancel button.

Money Manager Test Case
The final thing to do is to add a small test case consisting of seven unit tests that ensure that the MoneyManager class' deposit_funds and add_entry methods operate correctly.
You are provided with a stub of a testmoneymanager.py test case that already has the definitions of unit tests that you will write and a description of what they are testing. Your job is to write suitable assert statements into each of these unit tests so that they ensure the MoneyManager class' deposit and add entry functions do operate as they should. You should be able to accomplish each unit test in a maximum of two lines of code per unit test.

Two things to remember:

1.) The setUp method is automatically executed before each unit test, so the balance gets reset to 1000.0 before each test, and
2.) If your unit test fails (and the test is correct) then you should modify your code so that it passes the test, not the test so that it matches up with what your code is doing!

Development and Marking Tips
You will need to bind all the numerical log in buttons to the <Button-1> event and the same function, and then extract which button was pressed to help 'build up' the PIN number text. To extract which widget triggered the function use event.widget["text"].
You are provided with the complete function to remove all widgets from the top level window, the function to read a line from the user file which does NOT include the final "\n" newline character and most of the code to generate a graph and place it in your window - so you do not have to write these yourself.
The grid for the login screen has 3 columns and 6 rows, while the grid for the user screen has 5 columns and 5 rows. The fifth column on the user screen is the one holding the scrollbar.

Submission and Marking Process
You must supply your program source code files and your document containing the first two section of the
assignment as a single compressed archive called:

Obviously replace <YOUR-NAME> and <YOUR-STUDENT-ID) with your own personal details! You may supply your word processed documentation in either Microsoft Word or LibreOffice/OpenOffice formats only – no proprietary Mac specific formats, please.
Assignments will be marked on the basis of fulfilment of the requirements and the quality of the work. In addition to the marking criteria, marks may be deducted for failure to comply with the assignment requirements, including (but not limited to):
• Incomplete implementation(s), and
• Incomplete submissions (e.g. missing files), and
• Poor spelling and grammar.

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