Code Kata

Kata09: Back to the Checkout

Targets .NET 8 and .NET Standard 2.0
Language version 13

This is an implementation of https://github.com/brighthr/checkout-kata for the Bright HR Technical Test It is a class library which provides interfaces and implementations for a point of sale checkout system. with support for a dynamic product catalogue and special offers.

Usage

git clone https://github.com/AlexanderGhosh/Bright-HR-Test.git --branch main
cd Bright-HR-Test/Kata.Checkout 
dotnet build

You can then reference the built DLL in your own project. You can Pack the project and use it in nuget

dotnet pack -c Release

Or run the unit tests to see it in action

cd ..
dotnet test

Example

using Kata.Checkout;
using Kata.Checkout.Promotion;

Dictionary<stirng, CatalogueItem> items = new Dictionary<string, CatalogueItem>
{
	{ "A", new CatalogueItem("A", 50, new MultiBuyPromotion(3, 130)) },
	{ "B", new CatalogueItem("B", 30, new MultiBuyPromotion(2, 45)) },
	{ "C", new CatalogueItem("C", 20) },
	{ "D", new CatalogueItem("D", 15) }
};
ICatalogue catalogue = new Catalogue(items);
ICheckout checkout = new Checkout(catalogue);

checkout.Scan("A");
checkout.Scan("A");
checkout.Scan("A");
checkout.Scan("B");
checkout.Scan("B");
checkout.Scan("B");
checkout.Scan("C");
checkout.Scan("D");

int total = checkout.GetTotalPrice(); 
Console.WriteLine(total);
// 240