#CFItemBroker.py
#An often used bit of code to add or remove a number of objects
#Mostly useful for removing items (like in payment or as part of
#an inventory check)
#This will not check for the existance of an item as that would better
#be done in the calling script so you can be flexable.
#
#ToddMitchell

import CFPython

class ItemBroker:

    def __init__(self, object):
        self.object = object
        self.numberof = CFPython.GetQuantity(self.object)

    def add(self, number):
        tmp = self.numberof + number
        CFPython.SetQuantity(self.object, tmp)
        return 1
        
    def subtract(self, number):
        remainder = self.numberof - number       
        if remainder >= number:
            CFPython.SetQuantity(self.object, remainder)
            return 1
        elif remainder == 0:
            CFPython.RemoveObject(self.object)
            return 1
        else:
            return 0