CMPSC 206 Ch 9 Program Online shopping Cart Python Assignment
Question Description
LAB
ACTIVITY
16.23.1: Ch 9 Program: Online shopping cart (continued) (Python 3)
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main.py
Load default template”¦
class ItemToPurchase:
def __init__(self, item_name= “˜none’, item_price=0, item_quantity=0, item_description = “˜none’):
self.item_name = item_name
self.item_price = item_price
self.item_quantity = item_quantity
self.item_description = item_description
def print_item_cost(self):
string = “˜{} {} @ ${} = ${}’.format(self.item_name, self.item_quantity, self.item_price, (self.item_quantity
* self.item_price))
cost = self.item_quantity * self.item_price
return string, cost
def print_item_description(self):
string = “˜{}: {}’.format(self.item_name, self.item_description)
print(string, end=’ “˜)
return string
class ShoppingCart:
def __init__(self,customer_name= None ,current_date=’January 1,2016″²,cart_items=[]):
self.customer_name = customer_name
self.current_date = current_date
self.cart_items = cart_items
def add_item(self,):
print(“˜nADD ITEM TO CART’, end=’n’)
#prompt the name and description of item,price and Quentity
item_name = str(input(“˜Enter the item name:’));
item_description = str(input(“˜nEnter the item description:’));
item_price = int(input(“˜nEnter the item price:’));
item_quantity = int(input(“˜nEnter the item quantity:n’))
#Append the above values in to the list
self.cart_items.append(ItemToPurchase(item_name, item_price, item_quantity, item_description))
#Implement the method to delete the item in the cart
def remove_item(self):
print()
print(“˜REMOVE ITEM FROM CART’, end=’n’)
#prompt the item to remove the list
string = str(input(“˜Enter name of item to remove:n’))
i = 0
#Using for-loop to iterate every item
for item in self.cart_items:
#If item found delete in the list
if(item.item_name == string):
del self.cart_items[i]
i += 1
#set the flag value to true
#break from the list
flag=True
break
#Otherwiese set value to false
else:
flag=False
#IF the value not found
if(flag==False):
#print the message
print(“˜Item not found in cart. Nothing removed.’)
def modify_item(self):
print(“˜nCHANGE ITEM QUANTITY’, end=’n’)
#Prompt the input item
name = str(input(“˜Enter the item name:’))
#Using for-loop to iterate every item
for item in self.cart_items:
#If item found update Quantity in the list
if(item.item_name == name):
quantity = int(input(“˜Enter the new quantity:’))
item.item_quantity = quantity
#set the flag value to true
#break from the list
flag=True
break
#Otherwiese set value to false
else:
flag=False
#IF the value not found
if(flag==False):
#print the message
print(“˜Item not found in cart. Nothing modified.’)
#implement method to compute total number of items in the cart
def get_num_items_in_cart(self):
num_items = 0
#Using for-loop to iterate the cart
for item in self.cart_items:
#ADD the Quantities
num_items += item.item_quantity
#return the num_Items
return num_items
#Implement the method
def get_cost_of_cart(self):
total_cost = 0
cost = 0
#Using for-loop to iterate the list
#mulitply the price and Quantity
#add value to the Total_Cost
for item in self.cart_items:
cost = (item.item_quantity * item.item_price)
total_cost += cost
#return the value
return total_cost
#Implement the method to print the total
def print_total():
total_cost = self.get_cost_of_cart()
if (total_cost == 0):
print(“˜SHOPPING CART IS EMPTY’)
else:
output_cart()
#Implement the method to print_descriptions
def print_descriptions(self):
print(“˜OUTPUT ITEMS’ DESCRIPTIONS’)
print(“˜{}’s Shopping Cart – {}’.format(self.customer_name, self.current_date),end=’n’)
print(“˜nItem Descriptions’, end=’n’)
for item in self.cart_items:
print(“˜{}: {}’.format(item.item_name, item.item_description), end=’n’)
#Implement the method output_cart()
def output_cart(self):
new=ShoppingCart()
print(“˜OUTPUT SHOPPING CART’, end=’n’)
print(“˜{}’s Shopping Cart – {}’.format(self.customer_name, self.current_date),end=’n’)
print(“˜Number of Items:’, new.get_num_items_in_cart(), end=’nn’)
self.total_cost = self.get_cost_of_cart()
if (self.total_cost == 0):
print(“˜SHOPPING CART IS EMPTY’)
else:
pass
tc = 0
for item in self.cart_items:
print(“˜{} {} @ ${} = ${}’.format(item.item_name, item.item_quantity,
item.item_price, (item.item_quantity * item.item_price)), end=’n’)
tc += (item.item_quantity * item.item_price)
print(“˜nTotal: ${}’.format(tc), end=’n’)
#Implement the method print_menu
def print_menu(new_cart):
customer_Cart = newCart
string=”
#declare the string menu
menu = (“˜nMENUn’
“˜a – Add item to cartn’
“˜r – Remove item from cartn’
“˜c – Change item quantityn’
“˜i – Output items’ descriptionsn’
“˜o – Output shopping cartn’
“˜q – Quitn’)
command = “
#Using while loop
#to iterate until user enters q
while(command != “˜q’):
string=”
print(“˜nMENUn’
“˜a “