This is a Spring Boot application that functions as a Cart Service, which internally makes API calls to the Fake Store API. There code is majorly present in 2 files. CartController and CartService. The are 2 Models Cart and Product. There are 7 functions.

1. Get all carts.
2. Get a particular cart.
3. Get carts within some particular date range.
4. Get carts of a paricular user.
5. Add a new cart.
6. Update a new cart.
7. Delete a cart. Functions inside the CartController is dependent on the functions in CartService.