Kata09: Back to the Checkout

Project Overview

This Java project is an implementation of the coding challenge described at Kata09: Back to the Checkout.

Features

• Flexible Pricing Rules: Easily configure pricing rules for each product in the database.
• Scalable Design: Add new products and pricing schemes without altering existing code.
• Robust Testing: Ensures the reliability of the checkout system through test coverage.

Getting Started

Prerequisites

• Java 8 or later.
• Gradle for building and running the project.

Installation

1. Clone the repository:

   git clone https://github.com/mpgallage/Kata09.git

2. Navigate to the project directory:

   cd Kata09

3. Build the project using Gradle:

   .gradlew clean build

4. Run tests using Gradle:

   .gradlew test

Database Schema and Data - checkout.sqlite

Schema

The database contains a single table named PricingRules. This table is designed to store pricing information for various products, identified by their Stock Keeping Unit (SKU).

Table: PricingRules

Column	Data Type	Description
SKU	CHAR(1)	Primary key. A unique identifier for each product.
UnitPrice	DECIMAL(10, 2)	The standard unit price of the product.
DiscountUnits	INTEGER(3)	The quantity of items required for a discount.
DiscountPrice	DECIMAL(10, 2)	The total price for the discounted quantity.

Data

Initial data is populated into the PricingRules table as follows:

• SKU 'A': Priced at $50 each, with a special deal of 3 for $130.
• SKU 'B': Priced at $30 each, with a special deal of 2 for $45.
• SKU 'C': Priced at $20 each, with no special discount.
• SKU 'D': Priced at $15 each, with no special discount.

Database File

The database is stored in a SQLite file named checkout.sqlite inside the project directory.

License

Distributed under the MIT License. See LICENSE for more information.

Contact

Malaka Gallage - mpgallage@gmail.com

Project Link: https://github.com/mpgallage/Kata09