Vending Machine

This is a simple command-line vending machine application that allows a user to purchase products by inserting coins.

Features

• View available products and their quantities
• Insert coins to make a purchase
• Get change back after a purchase
• Handle invalid input gracefully
• Handle invalid coins gracefully
• Handle insufficient coins gracefully
• Handle insufficient change gracefully

Usage

To use the vending machine, run the main.rb file in the command line. The vending machine will display a list of available products and their quantities. To make a purchase, enter the ID of the product you wish to purchase, followed by the coins you wish to insert, separated by commas. For example:

Please select a product by entering its ID (or type 'exit' to quit):

1

Please insert coins separated by commas (0.25, 0.5, 1, 2, 3, 5):

2, 1

You bought the product. Your change is: 1.0 * 1

Classes

This application is made up of the following classes:

• Product: Represents a product that can be purchased from the vending machine.
• Stock: Represents the stock of products in the vending machine.
• CoinsManager: Represents the coins inventory in the vending machine.
• VendingMachine: Represents the vending machine itself, which validates input, purchases products, and manages coins.
• VendingMachineApp: Represents the terminal application that interacts with the user.

Testing

This application is tested using RSpec. To run the tests, navigate to the root directory of the application and run rspec.

Contributing

Contributions to this application are welcome. If you would like to contribute, please submit a pull request.