def __init__(self, sku, name, price, price_category=None):
self.sku = sku
self.name = name
self.collections = []
self.flags = {}
if not isinstance(price, PriceValue):
raise TypeError()
self.price_history = HistoricalValueCollection()
self.set_price(price)
self.price_category = price_category if price_category else None
class Product(Entity):
def __init__(self, sku, name, price, price_category=None):
self.sku = sku
self.name = name
self.collections = []
self.flags = {}
if not isinstance(price, PriceValue):
raise TypeError()
self.price_history = HistoricalValueCollection()
self.set_price(price)
self.price_category = price_category if price_category else None
def set_price(self, price):
if not isinstance(price, PriceValue):
raise TypeError()
self.price_history.append(price)
def get_price(self, date=None):
date = date if date else datetime.now()
price = self.price_history[date]
return price.value if price else None
def get_prices_between(self, start, end):
return map(lambda p: p.value, self.price_history[start:end])
def set_as_master_of_collection(self, collection):
if isinstance(collection, ProductCollection):
collection.master = self.sku
def join_collection(self, collection):
if isinstance(collection, ProductCollection):
if collection.add_product(self.sku):
self.collections.append(collection)
def leave_collection(self, collection):
if isinstance(collection, ProductCollection):
if collection.remove_product(self.sku):
self.collections.remove(collection)
def set_flag(self, name, value):
self.flags[name] = True if value else False
def get_flag(self, name):
return self.flags.get(name, False)
class Product(Entity):
def __init__(self, sku, name, price, price_category=None):
self.sku = sku
self.name = name
self.collections = []
self.flags = {}
if not isinstance(price, PriceValue):
raise TypeError()
self.price_history = HistoricalValueCollection()
self.set_price(price)
self.price_category = price_category if price_category else None
def set_price(self, price):
if not isinstance(price, PriceValue):
raise TypeError()
self.price_history.append(price)
def get_price(self, date=None):
date = date if date else datetime.now()
price = self.price_history[date]
return price.value if price else None
def get_prices_between(self, start, end):
return map(lambda p: p.value, self.price_history[start:end])
def set_as_master_of_collection(self, collection):
if isinstance(collection, ProductCollection):
collection.master = self.sku
def join_collection(self, collection):
if isinstance(collection, ProductCollection):
if collection.add_product(self.sku):
self.collections.append(collection)
def leave_collection(self, collection):
if isinstance(collection, ProductCollection):
if collection.remove_product(self.sku):
self.collections.remove(collection)
def set_flag(self, name, value):
self.flags[name] = True if value else False
def get_flag(self, name):
return self.flags.get(name, False)
def __init__(self, sku, name, price, price_category=None):
self.sku = sku
self.name = name
self.collections = []
self.flags = {}
if not isinstance(price, PriceValue):
raise TypeError()
self.price_history = HistoricalValueCollection()
self.set_price(price)
self.price_category = price_category if price_category else None
