Writing Library Simulator Involving Multiple Classes Write Libraryitem Patron Library Clas Q43826852
You will be writing a Library simulator involving multipleclasses. You will write the LibraryItem, Patron and Libraryclasses, and the three classes that inherit from LibraryItem (Book,Album and Movie). All data members of each class should be markedas private and the classes should have any get or set methods thatwill be needed to access them.
I have been trying to write this code for the past few days andI can’t figure out what I’m doing wrong! Can you please helpme?
Here is my code:
You will be writing a Library simulator involving multipleclasses. You will write the LibraryItem, Patron and Libraryclasses, and the three classes that inherit from LibraryItem (Book,Album and Movie). All data members of each class should be markedas private and the classes should have any get or set methods thatwill be needed to access them.
class InvalidCheckoutError(Exception): passclass Product: “”” Represents a product “”” def __init__(self, _id_code, _title, _description, _price, _quantity_available): self._id_code = _id_code self._title = _title self._description = _description self._price = _price self._quantity_available = _quantity_available def get_id_code(self): return self._id_code def get_title(self): return self._title def get_description(self): return self._description def get_price(self): return self._price def get_quantity_available(self): return self._quantity_available def decrease_quantity(self): self._quantity_available -= 1class Customer: “”” Represents a customer with a name and account ID. Customers must be members of the Store to make a purchase. Premium members get free shipping “”” def __init__(self, _name, _account_id, _premium_member): self._name = _name self._account_id = _account_id self._premium_member = _premium_member self._cart = [] def add_product_to_cart(self, product): self._cart.append(product) def empty_cart(self): self._cart.clear() def get_name(self): return self._name def get_account_id(self): return self._account_id def is_premium_member(self): return self._premium_member def get_cart(self): return self._cartclass Store: “”” Represents a store, which has some number of products in its inventory and some number of customers as members “”” def __init__(self): self._members = [] self._inventory = [] def add_product(self, product): self._inventory.append(product) def add_member(self, customer): self._members.append(customer) def get_product_from_ID(self, product_id): for product in self._inventory: if product.get_id_code() == product_id: return product return None def get_member_from_ID(self, customer_id): for customer in self._members: if customer.get_account_id() == customer_id: return customer return None def product_search(self, string): # create a list to store all matching products matched = [] # iterate over all products in store for product in self._inventory: found = False # check if string is part of description or title of product by convertig both in same case alphabet if string.lower() in product.get_title().lower(): found = True elif string.lower() in product.get_description().lower(): found = True # if product matches for search then add it into the list if found: matched.append(product) for product in matched: return (“ID: ” + str(product.get_id_code()) + “, Title: ” + str(product.get_title()) + “, Description: ” + str(product.get_description()) def add_product_to_member_cart(self, product_id, customer_id): product = self.get_product_from_ID(product_id) if product is None: return “product ID not found” customer = self.get_member_from_ID(customer_id) if customer is None: return “member ID not found” if product.get_quantity_available() > 0: customer.add_product_to_cart(product) return “product added to cart” else: return “product out of stock” def check_out_member(self, customer_id): customer = self.get_member_from_ID(customer_id) if customer is None: return “Customer not found.” if len(customer.get_cart()) == 0: return “There are no items in the cart.” total = 0 stotal = 0 ship = 0 for product in customer.get_cart(): if product.get_quantity_available() == 0: return “Sorry, product is not available.” else: stotal += product.get_price() product.decrease_quantity() if not customer.is_premium_member(): ship = stotal*0.07 total = stotal+shipdef main(): try: TatooineCantina = Store() p1 = Product(1111, “milk”, “yummy”, 2.00, 5) TatooineCantina.add_product(p1) p2 = Product(2222, “death sticks”, “umm yummy”, 23.50, 3) TatooineCantina.add_product(p2) c1 = Customer(“Han Solo”, 382, True) TatooineCantina.add_member(c1) c2 = Customer(“Obi-Wan Kenobi”, 157, False) TatooineCantina.add_member(c2) c3 = Customer(“Chewbacca”, 890, False) print(TatooineCantina.product_search(‘yum’)) print(TatooineCantina.get_member_from_ID(382).get_account_id()) print(TatooineCantina.add_product_to_member_cart(1111, 382)) print(TatooineCantina.add_product_to_member_cart(2222, 382)) print(TatooineCantina.check_out_member(382)) print(TatooineCantina.product_search(‘yum’)) print(TatooineCantina.get_member_from_ID(157).get_account_id()) print(TatooineCantina.add_product_to_member_cart(1111, 157)) print(TatooineCantina.add_product_to_member_cart(2222, 157)) print(TatooineCantina.check_out_member(157)) print(TatooineCantina.get_member_from_ID(890).get_account_id()) print(TatooineCantina.add_product_to_member_cart(1111, 890)) print(TatooineCantina.add_product_to_member_cart(2222, 890)) print(TatooineCantina.check_out_member(890)) except InvalidCheckoutError: print(“Member ID not found.”)if __name__ == “__main__”: main()
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