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from string import Template
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from string import Template
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import datetime
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import datetime
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import traceback
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import traceback
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import uuid
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import uuid
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from shop2020.model.v1.user.impl.Converters import to_t_coupon
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from shop2020.model.v1.user.impl.Converters import to_t_coupon
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from shop2020.model.v1.user.promotionrules import rule_specific_emi_discount_on_specific_items
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def initialize(dbname = 'user', db_hostname="localhost"):
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def initialize(dbname = 'user', db_hostname="localhost"):
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    Dataservice.initialize(dbname, db_hostname)
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    Dataservice.initialize(dbname, db_hostname)
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            imported_coupon_module = __import__("shop2020.model.v1.user.promotionrules", globals(), locals(), [coupon_module])
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            imported_coupon_module = __import__("shop2020.model.v1.user.promotionrules", globals(), locals(), [coupon_module])
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            rule = eval("imported_coupon_module." + coupon_module)
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            rule = eval("imported_coupon_module." + coupon_module)
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            args = eval(coupon.arguments) if coupon.arguments is not None else {}
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            args = eval(coupon.arguments) if coupon.arguments is not None else {}
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            '''
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            Processing in case of EMI
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            '''
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            if coupon.promotion.type == 2:
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            updated_cart, discounts = rule.execute(cart, coupon_code, args)
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                updated_cart = rule.execute(cart, coupon_code, args)
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            else:
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                updated_cart, discounts = rule.execute(cart, coupon_code, args)
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                if discounts and len(discounts) > 0:
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            if discounts and len(discounts) > 0:    user_client.saveDiscounts(discounts)
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                    user_client.saveDiscounts(discounts)
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            user_client.applyCouponToCart(cart_id, coupon_code, updated_cart.totalPrice, updated_cart.discountedPrice)
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            user_client.applyCouponToCart(cart_id, coupon_code, updated_cart.totalPrice, updated_cart.discountedPrice)
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            return updated_cart
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            return updated_cart
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        except ImportError as e:
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        except ImportError as e:
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            raise PromotionException(100, 'Internal error occurred.')
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            raise PromotionException(100, 'Internal error occurred.')
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    else:
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    else:
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        print 'Invalid Coupon Code'
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        print 'Invalid Coupon Code'
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        raise PromotionException(101, 'Invalid Coupon Code')
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        raise PromotionException(101, 'Invalid Coupon Code')
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def get_emi_discount(cart_id):
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    try:
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        user_client = UserClient().get_client()
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        cart = user_client.getCart(cart_id)
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        coupon = Coupon.get_by(coupon_code = cart.couponCode)
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        args = eval(coupon.arguments) if coupon.arguments is not None else {}
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        if coupon.promotion.type != 2:
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            return {}
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        else:
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            return rule_specific_emi_discount_on_specific_items.getEmiDiscounts(cart, coupon.coupon_code, args)
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    except ImportError as e:
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        traceback.print_stack()
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        return {}
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def track_coupon_usage(coupon_code, transaction_id, user_id):
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def track_coupon_usage(coupon_code, transaction_id, user_id):
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    promotion_tracker = PromotionTracker()
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    promotion_tracker = PromotionTracker()
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    promotion_tracker.coupon_code = coupon_code
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    promotion_tracker.coupon_code = coupon_code
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    promotion_tracker.transaction_id = transaction_id
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    promotion_tracker.transaction_id = transaction_id
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    promotion_tracker.user_id = user_id
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    promotion_tracker.user_id = user_id