Business Programming Project – Customer Transactions and Inventory Management

Business Programming Project – Customer Transactions and Inventory Management

The objective of this project is to design and implement a Python program that simulates customer transactions and inventory management for a business. Students will practice object-oriented programming concepts by creating classes for customers, products, transactions, and additional features like a reward program and service contracts. The program will allow users to interactively manage customer profiles, add and track products, conduct transactions, and generate itemized receipts.

Requirements:

Part 1: Class Definitions

1. Product Class (Base Class):

– Attributes:

– `product_id` (string): A unique identifier for the product.

– `product_name` (string): The name of the product.

– `price` (float): The price of the product.

– `quantity_in_stock` (int): The quantity of the product in stock.

– Methods:

– Constructors, mutators (setter methods), and accessors (getter methods) for the attributes.

– `reduce_stock(quantity)` method to decrease the quantity in stock when a product is sold.

2. ServiceContract Product Class (Inherits from Product):

– Additional Attributes:

– `contract_start_date` (string): The start date of the service contract.

– `contract_end_date` (string): The end date of the service contract.

3. Customer Class (Base Class):

– Attributes:

– `customer_id` (string): A unique identifier for the customer.

– `customer_name` (string): The name of the customer.

– `email` (string): The email address of the customer.

– Methods:

– Constructors, mutators (setter methods), and accessors (getter methods) for the attributes.

4. RewardCustomer Class (Inherits from Customer):

– Additional Attributes:

– `reward_points` (int): The number of reward points earned by the customer.

– `reward_level` (string): The reward level (e.g., Silver, Gold) of the customer.

– Methods:

– Constructors, mutators (setter methods), and accessors (getter methods) for the additional attributes.

– `earn_reward_points(points_earned)` method to update reward points.

– `upgrade_reward_level()` method to upgrade the reward level based on points.

5. Transaction Class:

– Attributes:

– `transaction_id` (string): A unique identifier for the transaction.

– `customer_id` (string): The ID of the customer who made the transaction.

– `products_purchased` (list): A list of products purchased in the transaction.

– `transaction_date` (string): The date and time of the transaction.

– Methods:

– Constructors, mutators (setter methods), and accessors (getter methods) for the attributes.

Part 2: Program Implementation

1. Initialize empty lists to store customers and products.

2. Implement the following functions for user interactions:

– Add a new customer (both regular and reward program customers).

– Add a new product (both regular and service contract products).

– Display customer details.

– Display product details.

– Run a transaction:

– Select a customer for the transaction.

– Add one or more products to the transaction.

– Ask if the customer wants to join the reward program and upgrade their customer profile if required.

– Ask if the customer wants a warranty for products and update product information if needed.

– Generate an itemized receipt for the transaction, including individual product details and the total cost.

3. Implement a main program loop that allows users to choose from the above options until they choose to exit the program.

Grading Criteria:

Correct implementation of class definitions, attributes, constructors, mutators, and accessors.

– Proper use of inheritance to create derived classes.

– Accurate implementation of methods for calculating and updating reward points and levels.

– Correct management of inventory through the reduction of product quantities.

– Successful implementation of user interaction functions for adding customers, products, and conducting transactions.

– Generation of itemized receipts with accurate product details and total cost.

– All error handling.

– Proper program structure and organization, including comments and clear user prompts

Requirements: No limit

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