Function: Format Discount Rate

Function: Checks whether a discount code is available to use yet (start date).

Function: Is Discount Maxed Out.

Function: Get Discounts

Function: Has Active Discounts

Function: Get Discount.

Function: Get Discount By Code.

Function: Stores a discount code. If the code already exists, it updates it, otherwise it creates a new one.

Function: Deletes a discount code.