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'''
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'''
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Created on 06-Jul-2011
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Created on 06-Jul-2011
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@author: Varun Gupta
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@author: Varun Gupta
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'''
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'''
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from shop2020.clients.CatalogClient import CatalogClient
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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 \
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from shop2020.model.v1.user.impl.PromotionRuleDataUtilities import \
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    get_coupon_usage_count, get_coupon_usage_count_by_user
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    get_coupon_usage_count, get_coupon_usage_count_by_user
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from shop2020.thriftpy.model.v1.user.ttypes import PromotionException, Discount
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from shop2020.thriftpy.model.v1.user.ttypes import PromotionException, Discount
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import datetime
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import datetime
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 12 
 
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def execute(cart, coupon_code, args):
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def execute(cart, coupon_code, args):
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    if 'items' not in args or 'handset_display_name' not in args:
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    if 'handset_display_name' not in args:
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        raise PromotionException(109, 'Error in rule arguments.')
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        raise PromotionException(109, 'Error in rule arguments.')
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    if 'end_on' in args and datetime.datetime.strptime(args['end_on'], '%Y-%m-%d') <= datetime.datetime.now():
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    if 'end_on' in args and datetime.datetime.strptime(args['end_on'], '%Y-%m-%d') <= datetime.datetime.now():
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        raise PromotionException(112, 'This promotion is expired.')
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        raise PromotionException(112, 'This promotion is expired.')
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    if 'usage_limit' in args and args['usage_limit'] is not None:
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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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        if args['usage_limit'] <= get_coupon_usage_count(coupon_code):
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        if args['usage_limit_for_user'] <= get_coupon_usage_count_by_user(coupon_code, user.userId):
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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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            raise PromotionException(111, 'You have already used this coupon maximum possible times.')
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    if not cart.lines:
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    if not cart.lines:
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        return cart
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        return cart
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    discountJ = None
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    if 'discount' in args:
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        discountJ  = args ['discount']
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    min_amount = None
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    if 'min_amount' in args:
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        min_amount  = args ['min_amount']
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    max_discount = None
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    if 'max_discount' in args:
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        max_discount  = args ['max_discount']
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    isPercentageDiscount = False
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    isPercentageDiscount = False
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    if 'is_percentage_discount' in args:
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        isPercentageDiscount = args['is_percentage_discount']
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    total_selling_price = 0
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    total_selling_price = 0
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    total_discounted_price = 0
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    total_discounted_price = 0
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    cart_has_specified_item = False
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    cart_has_specified_item = False
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    discounts = []
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    discounts = []
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    if 'is_percentage_discount' in args:
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        isPercentageDiscount = args['is_percentage_discount']
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    for line in cart.lines:
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    for line in cart.lines:
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        total_selling_price += line.actualPrice * line.quantity
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        total_selling_price += line.actualPrice * line.quantity
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        discount_value = 0
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        discount_value = 0
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        if line.itemId in args['items'] or (len(args['items'])==0 and args['min_amount'] <= line.actualPrice):
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            cart_has_specified_item = True
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            if(len(args['items'])==0):
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                discount_value = args['discount']
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            else:
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                discount_value = args['items'][line.itemId]
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            if isPercentageDiscount:
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                discount_value = round((line.actualPrice*discount_value)/100, 4)
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            line.discountedPrice = round(line.actualPrice - discount_value, 4)
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        if min_amount is not None and line.actualPrice < min_amount:
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            total_discounted_price += round(line.discountedPrice * line.quantity, 4)
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        else:
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            total_discounted_price += round(line.actualPrice * line.quantity, 4)
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            total_discounted_price += round(line.actualPrice * line.quantity, 4)
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            continue
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        if 'items' in args:
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            if line.itemId in args['items'] :
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                if type(args['items'])==dict:
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                    discount_value = args['items'][line.itemId]
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                    cart_has_specified_item = True
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                elif discountJ is not None:
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                    discount_value = discountJ
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                    cart_has_specified_item = True
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            else:
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                total_discounted_price += round(line.actualPrice * line.quantity, 4)
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                continue
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        elif 'categories' in args:
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            catalog_client = CatalogClient().get_client()
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            category = catalog_client.getItem(line.itemId).category
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            if category in args['categories']:
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                if type(args['categories'])==dict:
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                    discount_value = args['categories'][category]
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                    cart_has_specified_item = True
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                elif discountJ is not None:
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                    discount_value = discountJ
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                    cart_has_specified_item = True
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            else:
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                total_discounted_price += round(line.actualPrice * line.quantity, 4)
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                continue
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        elif discountJ is not None:
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            discount_value = discountJ
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            cart_has_specified_item = True
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        else :
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            total_discounted_price += round(line.actualPrice * line.quantity, 4)
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            continue
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        if isPercentageDiscount:
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            discount_value = round((line.actualPrice*discount_value)/100, 4)
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        if max_discount is not None:
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            discount_value = min(max_discount, discount_value)
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        line.discountedPrice = round(line.actualPrice - discount_value, 4)
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        total_discounted_price += round(line.discountedPrice * line.quantity, 4)
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        if discount_value > 0:
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        if discount_value > 0:
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            discount = Discount()
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            discount = Discount()
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            discount.discount = discount_value
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            discount.discount = discount_value
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            discount.quantity = line.quantity
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            discount.quantity = line.quantity
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            discount.cart_id = cart.id
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            discount.cart_id = cart.id