class JerrysQuickMart:
def __init__(self):
self.transactionNum = 0
self.inventory = Inventory()
self.cart = Cart()
self.todayDate = date.today()
self._customerOption = ""
self._menuOption = 0
self._transactionOption = 0
self._addInput = []
self._cashAmount = 0.0
self._rmvOption = 0
@property
def customerOption(self):
return self._customerOption
@customerOption.setter
def customerOption(self, option):
if not isinstance(option, str):
raise TypeError("Response should be a letter")
if option != "y" and option != "n":
raise ValueError("Response should be either 'y' or 'n'!")
self._customerOption = option
@property
def menuOption(self):
return self._menuOption
@menuOption.setter
def menuOption(self, option):
if not isinstance(option, int):
raise TypeError("Option should be a number!")
if option != 1 and option != 2:
raise ValueError("Option should be either 1 or 2!")
self._menuOption = option
@property
def transactionOption(self):
return self._transactionOption
@transactionOption.setter
def transactionOption(self, option):
if not isinstance(option, int):
raise TypeError("Option should be a number!")
if option < 1 or option > 6:
raise ValueError("Option should be between 1 and 6!")
self._transactionOption = option
@property
def addInput(self):
return self._addInput
@addInput.setter
def addInput(self, input):
if len(input) != 2:
raise ValueError(
"Invalid format! Required 2 arguments item name and quantity")
if not isinstance(input[0], str):
raise TypeError("Name of item should be a string!")
if not isinstance(input[1], int):
raise TypeError("Quantity should be an integer!")
if input[1] < 0:
raise ValueError("Quantity should be positive!")
self._addInput = input
@property
def rmvOption(self):
return self._rmvOption
@rmvOption.setter
def rmvOption(self, option):
if not isinstance(option, int):
raise TypeError("Option should be a number!")
if option != 1 and option != 2:
raise ValueError("Option should be either 1 or 2!")
self._rmvOption = option
@property
def cashAmount(self):
return self._cashAmount
@cashAmount.setter
def cashAmount(self, amount):
if not isinstance(amount, float):
raise TypeError("Cash amount should be a decimal number!")
self._cashAmount = amount
# starts the program
def start(self):
self.inventory.loadInventory(INVENTORY_FILE)
while True:
try:
self.mainMenu()
self.menuOption = int(input("Option: "))
if self.menuOption == 1:
# begins new transaction
self.newTransaction()
elif self.menuOption == 2:
# exits the program
self.stop()
break
except TypeError as te:
print(te)
except ValueError as ve:
print(ve)
# contains all functionalities per each transaction
def newTransaction(self):
# updates transaction number
self.transactionNum += 1
self.cart.emptyCart()
self.cart.regularCustomer = REGULAR_CUSTOMER
# transaction continues until user cancels it
while True:
try:
self.transactionMenu()
self.transactionOption = int(input("Option: "))
if self.transactionOption == 1:
self.setCustomerType()
elif self.transactionOption == 2:
self.addItemsToCart()
elif self.transactionOption == 3:
self.removeItemsFromCart()
elif self.transactionOption == 4:
self.viewCart()
elif self.transactionOption == 5:
self.checkout()
break
elif self.transactionOption == 6:
self.cancelTransaction()
break
except TypeError as te:
print(te)
except ValueError as ve:
print(ve)
def mainMenu(self):
print(
"------------------------------------------------------------------------------"
)
print(
"WELCOME TO JERRY'S QUICK MART, PLEASE SELECT ONE OF THE FOLLOWING OPTIONS"
)
print(
"------------------------------------------------------------------------------"
)
print("1. New transaction")
print("2. Exit")
def transactionMenu(self):
print(
"------------------------------------------------------------------------------"
)
print("TRANSACTION " + str(self.transactionNum) +
", PLEASE SELECT ONE OF THE FOLLOWING OPTIONS")
print(
"------------------------------------------------------------------------------"
)
print("1. Customer type")
print("2. Add items to cart")
print("3. Remove items from cart")
print("4. View cart")
print("5. Checkout and print receipt")
print("6. Cancel Transaction")
# allows to change customer type, product totals will change accordingly
def setCustomerType(self):
print("SET CUSTOMER TYPE")
while True:
self.customerOption = input(
"Customer is a Rewards Member? (y/n): ")
if self.customerOption == "y":
self.cart.regularCustomer = False
break
elif self.customerOption == "n":
self.cart.regularCustomer = True
break
# Adds item only if available in inventory and if it hasnt been added yet to cart
def addItemsToCart(self):
print("ADD ITEMS TO CART")
print("THIS ARE THE ITEMS AVAILABLE")
for item in self.inventory.items:
print(item)
info = input("Add item (item name,quantity): ").split(",")
if (len(info) > 1):
info[1] = int(info[1])
self.addInput = info
itemFound = False
for item in self.inventory.items:
if self.addInput[0] == item.name:
if self.addInput[1] <= item.qnty:
self.cart.addItem(
Item(item.name, self.addInput[1], item.regularPrice,
item.memberPrice, item.taxStatus))
itemFound = True
break
else:
raise ValueError("Quantity is greater than available")
if not itemFound:
raise ValueError(
"Item not found or does not exist, make you sure item name is typed correctly!"
)
# removes item only if it exists
def removeItemsFromCart(self):
print("REMOVE ITEMS FROM CART")
print("PLEASE SELECT ONE OF THE TWO OPTIONS BELOW")
print("1. REMOVE ITEM")
print("2. EMPTY CART")
self.rmvOption = int(input("Option: "))
if self.rmvOption == 1:
print("THIS ARE YOUR CURRENT ITEMS IN CART")
self.cart.viewCart()
itemName = input("Remove item (by name): ")
self.cart.removeItem(itemName)
elif self.rmvOption == 2:
self.cart.emptyCart()
# prints items in cart with totals
def viewCart(self):
self.cart.viewCart()
print("*************************************************")
print("TOTAL NUMBER OF ITEMS: " + str(self.cart.itemNum))
if self.cart.regularCustomer:
print("SUB-TOTAL: $" + "{:.2f}".format(self.cart.subtotal))
print("TAX (6.5%): $" + "{:.2f}".format(self.cart.tax))
print("TOTAL: $" + "{:.2f}".format(self.cart.total))
print("*************************************************")
else:
print("SUB-TOTAL: $" + "{:.2f}".format(self.cart.memberSubtotal))
print("TAX (6.5%): $" + "{:.2f}".format(self.cart.memberTax))
print("TOTAL: $" + "{:.2f}".format(self.cart.memberTotal))
print("*************************************************")
# allows user to checkout and print receipt
def checkout(self):
# allows to enter amount to pay in cash
print("Your total is $", end=" ")
if self.cart.regularCustomer:
print("{:.2f}".format(self.cart.total), end=" ")
else:
print("{:.2f}".format(self.cart.memberTotal), end=" ")
print(", what is the cash amount?")
self.cashAmount = float(input("Enter cash amount: "))
print(self.todayDate.strftime("%B %d, %Y"))
print("Transaction: " + str(self.transactionNum))
# prints totals info depending if customer is member or not
if self.cart.regularCustomer:
change = self.cashAmount - self.cart.total
self.cart.viewCart()
print("*************************************************")
print("TOTAL NUMBER OF ITEMS SOLD: " + str(self.cart.itemNum))
print("SUB-TOTAL: $" + "{:.2f}".format(self.cart.subtotal))
print("TAX (6.5%): $" + "{:.2f}".format(self.cart.tax))
print("TOTAL: $" + "{:.2f}".format(self.cart.total))
print("CASH: $" + "{:.2f}".format(self.cashAmount))
print("CHANGE: $" + "{:.2f}".format(change))
print("*************************************************")
else:
change = self.cashAmount - self.cart.memberTotal
self.cart.viewCart()
print("*************************************************")
print("TOTAL NUMBER OF ITEMS SOLD: " + str(self.cart.itemNum))
print("SUB-TOTAL: $" + "{:.2f}".format(self.cart.memberSubtotal))
print("TAX (6.5%): $" + "{:.2f}".format(self.cart.memberTax))
print("TOTAL: $" + "{:.2f}".format(self.cart.memberTotal))
print("CASH: $" + "{:.2f}".format(self.cashAmount))
print("CHANGE: $" + "{:.2f}".format(change))
print("*************************************************")
amntSaved = self.cart.total - self.cart.memberTotal
print("YOU SAVED: $" + "{:.2f}".format(amntSaved) + "!")
# updates items quantity after transaction
for item in self.cart.items:
self.inventory.updateInventory(item)
# Updating inventory.txt
invFile = open(INVENTORY_FILE, "w")
for item in self.inventory.items:
invFile.write(str(item) + "\n")
# Printing receipt
receiptFile = "transaction_" + "{:06d}".format(
self.transactionNum) + "_" + "{:02d}".format(
self.todayDate.month) + "{:02d}".format(
self.todayDate.day) + str(self.todayDate.year) + ".txt"
# print("Receipt file: " + receiptFile)
receipt = open(receiptFile, "w")
# Prints receipt differently depending if customer is member or not
receipt.write(self.todayDate.strftime("%B %d, %Y") + "\n")
receipt.write("Transaction: " + "{:06d}".format(self.transactionNum) +
"\n")
cartHeaders = ["ITEM", "QUANTITY", "UNIT PRICE", "TOTAL"]
headerFormat = "{:<15}" * (len(cartHeaders))
receipt.write(headerFormat.format(*cartHeaders) + "\n")
if self.cart.regularCustomer:
change = self.cashAmount - self.cart.total
for item in self.cart.items:
receipt.write("{:<15}".format(item.name) +
"{:<15}".format(item.qnty) + "$")
receipt.write("{:<14.2f}".format(item.regularPrice) + "$" +
"{:<14.2f}".format(item.totalPriceRegular()) +
"\n")
receipt.write(
"********************************************************" +
"\n")
receipt.write("TOTAL NUMBER OF ITEMS SOLD: " +
str(self.cart.itemNum) + "\n")
receipt.write("SUB-TOTAL: $" +
"{:.2f}".format(self.cart.subtotal) + "\n")
receipt.write("TAX (6.5%): $" + "{:.2f}".format(self.cart.tax) +
"\n")
receipt.write("TOTAL: $" + "{:.2f}".format(self.cart.total) + "\n")
receipt.write("CASH: $" + "{:.2f}".format(self.cashAmount) + "\n")
receipt.write("CHANGE: $" + "{:.2f}".format(change) + "\n")
receipt.write(
"********************************************************")
else:
change = self.cashAmount - self.cart.memberTotal
for item in self.cart.items:
receipt.write("{:<15}".format(item.name) +
"{:<15}".format(item.qnty) + "$")
receipt.write("{:<14.2f}".format(item.memberPrice) + "$" +
"{:<14.2f}".format(item.totalPriceMember()) +
"\n")
receipt.write(
"********************************************************" +
"\n")
receipt.write("TOTAL NUMBER OF ITEMS SOLD: " +
str(self.cart.itemNum) + "\n")
receipt.write("SUB-TOTAL: $" +
"{:.2f}".format(self.cart.memberSubtotal) + "\n")
receipt.write("TAX (6.5%): $" +
"{:.2f}".format(self.cart.memberTax) + "\n")
receipt.write("TOTAL: $" + "{:.2f}".format(self.cart.memberTotal) +
"\n")
receipt.write("CASH: $" + "{:.2f}".format(self.cashAmount) + "\n")
receipt.write("CHANGE: $" + "{:.2f}".format(change) + "\n")
receipt.write(
"********************************************************" +
"\n")
amntSaved = self.cart.total - self.cart.memberTotal
receipt.write("YOU SAVED: $" + "{:.2f}".format(amntSaved) + "!" +
"\n")
# cacels transaction
def cancelTransaction(self):
self.transactionNum -= 1
# ends program
def stop(self):
print("Come back again soon!")
