The development of the bonus system for the online store

The work done:
- Functional choice of use between bonuses and kupons
Registration function after ordering
- Functional calculation of bonuses in dynamic mode
- Functional collection of accounts and records in the user's personal office
- Function of setting the coefficient to increase the bonuses within a given hour interval of the day
- Send to old users who made orders with an invitation to set up a bonus account
- User registration function on the invitation link and charging the bonus for the old order after registration