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'''
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Created on May 24, 2010
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@author: Varun Gupta
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'''
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from shop2020.clients.UserClient import UserClient
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rajveer |
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from shop2020.clients.CatalogClient import CatalogClient
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varun.gupt |
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from shop2020.thriftpy.model.v1.user.ttypes import PromotionException
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from shop2020.model.v1.user.impl import Dataservice
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from shop2020.model.v1.user.impl.Dataservice import Promotion, Coupon, PromotionTracker
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from shop2020.utils.Utils import to_py_date
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from elixir import session
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import datetime, traceback
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def initialize(dbname = 'user', db_hostname="localhost"):
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Dataservice.initialize(dbname, db_hostname)
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def create_promotion(name, rule_execution_src, start_on, end_on):
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promotion = Promotion()
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promotion.name = name
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promotion.rule_execution_src = rule_execution_src
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promotion.start_on = to_py_date(start_on)
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promotion.end_on = to_py_date(end_on)
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promotion.created_on = datetime.datetime.now()
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session.commit()
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def get_all_promotions():
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return Promotion.query.all()
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def generate_coupons_for_promotion(promotion_id, coupon_code):
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promotion = Promotion.get_by(id = promotion_id)
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coupon = Coupon()
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coupon.promotion = promotion
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coupon.coupon_code = coupon_code
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coupon.arguments = ""
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session.commit()
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def apply_coupon(coupon_code, cart_id):
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coupon = Coupon.get_by(coupon_code = coupon_code)
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if coupon:
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user_client = UserClient().get_client()
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cart = user_client.getCart(cart_id)
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coupon_module = coupon.promotion.rule_execution_src.strip()
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try:
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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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args = eval(coupon.arguments) if coupon.arguments is not None else {}
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updated_cart = rule.execute(cart, coupon_code, args)
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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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except ImportError as e:
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traceback.print_stack()
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#TODO: Better message
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raise PromotionException(100, 'Internal error occurred.')
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else:
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print 'Invalid Coupon Code'
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raise PromotionException(101, 'Invalid Coupon Code')
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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.coupon_code = coupon_code
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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.applied_on = datetime.datetime.now()
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session.commit()
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def close_session():
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if session.is_active:
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session.close()
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