Subversion Repositories SmartDukaan

'''

Created on 06-Jul-2011

@author: Varun Gupta

'''

from shop2020.thriftpy.model.v1.user.ttypes import PromotionException, Discount

from shop2020.model.v1.user.impl.PromotionRuleDataUtilities import get_coupon_usage_count

itemTuple = (7558, 7974)

def execute(cart, coupon_code, args):

    if 2 <= get_coupon_usage_count(coupon_code):

        raise PromotionException(112, 'This promotion is over.')

    if not cart.lines:

        return cart

    total_selling_price = 0

    total_discounted_price = 0

    cart_has_specified_item = False

    discount = 1000

    discounts = []

    for line in cart.lines:

        total_selling_price += line.actualPrice * line.quantity

        discount_value = 0

        if line.itemId in itemTuple:

            cart_has_specified_item = True

            line.discountedPrice = round(line.actualPrice - discount, 4)

            total_discounted_price += round(line.discountedPrice * line.quantity, 4)

            discount_value = discount

        else:

            total_discounted_price += round(line.actualPrice * line.quantity, 4)

        if discount_value > 0:

            discountObj = Discount()

            discountObj.discount = discount_value

            discountObj.quantity = line.quantity

            discountObj.cart_id = cart.id

            discountObj.item_id = line.itemId

            discounts.append(discountObj)

    if cart_has_specified_item is False:

        raise PromotionException(115, 'This coupon is applicable only for Samsung Note II N7100 16GB')

    cart.totalPrice = round(total_selling_price, 4)

    cart.discountedPrice = total_discounted_price

    return cart, discounts

def getDiscountOnItem(item): 

    return None