I have one problem,
Regarding Medical store distributuin
Store have two users i mean two sales persons, they are
distributing medicine to patients.
Store having 50 colpol tablets, both users are trying to sale 40
colpol tablets at a same time, it means 80 tablets but store having 50
For this i want reserve the stock while form entry itself,as well
as i dont want to use database level.
any ruby or rails concept is there....?