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Hiring-Task-Shy-Badger
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Hiring-Task-Shy-Badger

Shopping-Basket

Implement a virtual shopping-basket in the programming language of your choice (Java, Ruby, Elixir, JavaScript, ...). It should be possible to add items to the shopping-basket. Implementing a graphical user interface (GUI) is not necessary - it's enough to show the behavior using test cases. The following API shows the desired interface/behavior in pseudo-code. The final implementation can deviate from that.

API

A warehouse has a set of products with fixed prices

INVENTORY = [["A0001", 12.99], ["A0002", 3.99], ...]

Each user has a shopping-basket

basket = Basket.new

It is possible to add items to the shopping-basket

basket.scan("A0001")

A user can check the total price of all items in his shopping basket at any given time

basket.total
=> 12.99 Euro

Task

Additionally, certain sales deals shall be supported:

  • Buy 1 get 1 free for a certain article
# Buy1Get1Free A0002
basket.scan("A0002")
basket.scan("A0001")
basket.scan("A0002")
basket.total
=> 16.98
  • 10% off a given article
# 10Percent A0001
basket.scan("A0002")
basket.scan("A0001")
basket.scan("A0002")
basket.total
=> 19.67