##Company:

Supermarket

##Required product:

Program to evaluate total income from sales and keep count of loyalty points acquired by a given customer if he/she signs up to the loyalty program.

##Parameters:

The input to the problem is 3 csv files:

  • Stock report:

    • Department
    • Name of roduct
    • Price of product
    • Loyalty points corresponding to product

  • Sales history:

    • Date
    • Loyalty number (0 if not signed up to loyalty program)
    • List of products bought

  • Promotions history:

    • Date
    • Department
    • Promotion

##Particularities that need to be taken in to account:

  • Every department is capable of assigning a particular sale. The code you write must be able to handle the application of a particular sale on any given day.
  • The product list can be updated on any given day. As such your code must be able to handle a change of product attribute but also the possibility for new departments.
  • Your code must be generic so as to handle different combinations of the three above files.

##Summary:

The following picture summarises your challenge:

The underlying structure

##Evaluation:

Your code will be evaluated by placing it in a directory containing 3 files:

Your code should print the sales taken to screen and output a csv file containing the Loyalty points information.

Your code will be evaluated in terms of:

  • Precision (does it work and if so is it correct? - This is an objective criteria)
  • Performance (how fast is it? how does it handle bugs? - This is an objective criteria)
  • Time taken to submit solution (This is an objective criteria)
  • Clarity (is it well written/documented/tested - This is a subjective criteria)

##Suggestion:

I suggest you proceed by clearly defining independent programming tasks and attempting to work independently whilst ensuring that each piece of code produced is capable of talking to each other piece.