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'''
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'''
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Created on 06-Dec-2011
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Created on 06-Dec-2011
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@author: varungupta
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@author: varungupta
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raghvendra.saboo@gmail.com will get Rs.200 off on one transaction
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michaelananth.ravichandran@tcs.com will get Rs.200 off on one transaction
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nc41@indiatimes.com will get Rs.200 off on one transaction
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'''
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'''
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from shop2020.thriftpy.model.v1.user.ttypes import PromotionException
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from shop2020.thriftpy.model.v1.user.ttypes import PromotionException, Discount
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from shop2020.clients.UserClient import UserClient
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from shop2020.clients.UserClient import UserClient
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from shop2020.model.v1.user.impl.PromotionRuleDataUtilities import get_coupon_usage_count_by_user
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from shop2020.model.v1.user.impl.PromotionRuleDataUtilities import get_coupon_usage_count_by_user
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from shop2020.thriftpy.model.v1.user.ttypes import Discount
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def execute(cart, coupon_code, args):
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def execute(cart, coupon_code, args):
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    user_client = UserClient().get_client()
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    user_client = UserClient().get_client()
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    user = user_client.getUserById(cart.userId)
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    user = user_client.getUserById(cart.userId)
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    email = user.email.lower().strip()
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    email = user.email.lower().strip()
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    if email in ('raghvendra.saboo@gmail.com', 'michaelananth.ravichandran@tcs.com', 'nc41@indiatimes.com'):
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    if email in args['emails']:
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        discount_value = 200
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        discount_value = args['discount']
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    else:
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    else:
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        raise PromotionException(111, 'You are not allowed to use this coupon')
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        raise PromotionException(111, 'You are not allowed to use this coupon')
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    #Allow only first 1000 users to use the coupon
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    count_coupon_usage = get_coupon_usage_count_by_user(coupon_code, cart.userId)
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    count_coupon_usage = get_coupon_usage_count_by_user(coupon_code, cart.userId)
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    if count_coupon_usage > 0:
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    if count_coupon_usage >= args['usage_limit_for_user']:
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        raise PromotionException(112, 'You have already used the coupon.')
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        raise PromotionException(112, 'Your usage limit for this coupon is exhausted.')
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    discounts = []
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    discounts = []
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    if cart.lines:
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    if cart.lines:
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        total_selling_price = 0
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        total_selling_price = 0