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amit.gupta |
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'''
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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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itemTuple = (6737, 6830, 7769)
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def execute(cart, coupon_code, args):
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if 50 <= 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 2 <= 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 = 1000
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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 Samsung Galaxy S3 16GB')
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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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if item.id in itemTuple:
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return 1000
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return None
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