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5970 amit.gupta 1 
'''
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Created on 06-Jul-2011
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@author: Varun Gupta
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'''
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from shop2020.thriftpy.model.v1.user.ttypes import PromotionException, Discount
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from shop2020.model.v1.user.impl.PromotionRuleDataUtilities import get_coupon_usage_count, get_coupon_usage_count_by_user
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from shop2020.clients.UserClient import UserClient
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def execute(cart, coupon_code, args):
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    itemTuple = (2091,2527,3882,6829,7243,5834,7227,2629,5839,3358,4643,7298,2215,2481,4630,5731,1493,1502,2073,2621,5840,5841,5842,4961,7509,7510,7511,7335,7508,5,6,7,8,9,2094,2274,2280,6823,7517,7565,7332,2026,2074,2020,2021,1584,2058,1595,3361,4627,2039,7295,4645,7126,7503,4646,4859,2082,2083,3880,7297,7548,4647)
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    if 'discount' not in args or 'handset_display_name' not in args:
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        raise PromotionException(109, 'Error in rule arguments.')
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    if 'usage_limit' in args and args['usage_limit'] is not None:
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        if args['usage_limit'] <= get_coupon_usage_count(coupon_code):
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            raise PromotionException(112, 'This promotion is over.')
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    user_client = UserClient().get_client()
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    user = user_client.getUserByCartId(cart.id)
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    if 'usage_limit_for_user' in args and args['usage_limit_for_user'] is not None:
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        if args['usage_limit_for_user'] <= get_coupon_usage_count_by_user(coupon_code, user.userId):
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            raise PromotionException(111, 'You have already used this coupon maximum possible times.')
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    if not cart.lines:
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        return cart
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    total_selling_price = 0
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    total_discounted_price = 0
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    cart_has_specified_item = False
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    discounts = []
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    for line in cart.lines:
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        total_selling_price += line.actualPrice * line.quantity
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        discount_value = 0
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        if line.itemId in itemTuple:
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            discount = args['discount']
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            cart_has_specified_item = True
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            line.discountedPrice = round(line.actualPrice - discount, 4)
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            total_discounted_price += round(line.discountedPrice * line.quantity, 4)
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            discount_value = discount
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        else:
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            total_discounted_price += round(line.actualPrice * line.quantity, 4)
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        if discount_value > 0:
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            discount = Discount()
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            discount.discount = discount_value
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            discount.quantity = line.quantity
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            discount.cart_id = cart.id
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            discount.item_id = line.itemId
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            discounts.append(discount)
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    if cart_has_specified_item is False:
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        raise PromotionException(115, 'This coupon is applicable only for ' + args['handset_display_name'])
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    cart.totalPrice = round(total_selling_price, 4)
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    cart.discountedPrice = total_discounted_price
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    return cart, discounts
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def getDiscountOnItem(item):
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    return None