This Kata has been designed as a final hands-on exam for undergraduate students at IUT Charlemagne.
It borrows many ideas from Gilded Rose and Trip Service.
Kudos to Emily Bache and Sandro Mancuso for these amazing kata !
Welcome to Smart Stuff Society !
You are now in charge of our SmartFridge™ internal software.
Your job is to implement the next update, detailed in the todo section.
The original developper left few weeks ago, telling us "the code is a little messy" so feel free to refactor it as you wish !
However, you MUST NOT change the files in the protocol subpackage.
- every day, the fridge run the following routine
- scan every new products
- update the freshness of all products
- destroy all expired products (freshness <= 0)
- freshness update is done according to the following rules
- for type
eternal, it never decreasess - for type
yogourt, it decreasess by 5% per day - for type
vegetable, it decreasess randomly by 20% to 25% per day - for type
mushroom, it decreasess by 10% per day while it is greater than 50%, and then decreases by 5% per day - for type
meat, it decreases by 10% per day during a random number of days between 3 and 5, and then decreases by 20% per day - for others type, it decreases randomly by 5% to 15% per day
- for type
- the fridge also has the following features:
- list all the products expiring tomorrow
- list all the products with a set of tags
- the fridge is supplied with our SmartRecognitionEngine™, which gives these informations when detecting new products
- a name
- a type of product (e.g. meat, vegetable, fruit...)
- a set of tags (e.g. sweet, salty, healthy, organic...)
Our customers reported that the fridge quickly becomes slow and needs frequents reboot since the meat update, you need to investiguate !
We want to introduce two new types with the following rules
- type
egg, freshness decrease by 3% per day - type
fruit, freshness decreases by 5% per day while it is greater than 60%, and then decrease by 15% per day