Arkbauer PHP test task

Description

Task is related to online e-commerce where product stock is managed so that user can add products to the shopping cart

Your task

Implement user shopping experience in code with following minimum features:

• You can manage (add, remove & update) product stock at any time
  • note: decide how You want to handle stock availability (can users order more than available in stock or not)
• You can manage user cart by adding or removing products
• You can get cart subtotal, vat amount and total at any time

Requirements

• Use given interfaces for Your implementation
• Use TDD approach
• Use PHP8
• Comments and code must be in English language
• UI is nice to have
  • if You create one - we would prefer to see front-end done using Vue.js and GraphQL or REST for the back-end
• As result, we need Your source code for this task - preferably link to public Github repo