主权项 |
1. A method comprising:
a) at a server system, establishing in a computerized database separate database entities for a program and a plurality of promotions, wherein the program is associated with the plurality of promotions by associating the program database entity with the plurality of promotion database entities, further wherein the promotions define discounts associated with promoted products; b) at the server system, defining in the computerized database a first promotion associated with the program, wherein the first promotion has a first purchase requirement requiring a purchase of a first item before offering a first discount on a second item; c) at the server system, receiving from a first retail store system a first list of purchased products that have been purchased during a first purchase transaction at the first retail store system; d) at the server system, identifying the purchase of the first item in the first list of purchased products and storing information concerning the purchase of the first item in the computerized database; e) at the server system, receiving a second list of purchased products that are being purchased during a second purchase transaction that takes place after the first purchase transaction; f) at the server system, identifying a purchase of the second item in the second list of purchased products; g) at the server system, recalling from the computerized database the information concerning the purchase of the first item, thereby determining that the first purchase requirement has been met; h) at the server system, calculating a price reduction for the second item based on the first discount of the first promotion; i) at the server system, transmitting the calculated price reduction for the purpose of discounting the second item during the second purchase transaction. |