def main():
foodStall = Food()
newOrderList = SLinkedList()
def isKeyExist(arr, dict):
for elem in arr:
if elem["foodName"] == dict.get("foodName"):
return True
return False
while True:
customerContinue = True
customerUniqueOrder = []
backtoMenu = False
backtoOrderSummary = False
orderState = input(
"Welcome to Wasin's Burger Stack! \nPress 'y' if you would like to order\nPress 'x' to exit the program\n"
)
if orderState.lower() == "y":
while True:
pax = input("\nPlease enter how many persons\n")
try:
pax = int(pax)
break
except ValueError:
print("Please enter a number")
while True:
backtoMenu = False
if customerContinue == False:
break
print("\nWhat would you like to order?")
for elem in foodStall.menuList:
print(
str(elem["id"]) + ")", elem["name"],
"$" + str(elem["price"]))
try:
customerSelect = input(
"Please enter respective food menu number you wish to order, or press 'x' to exit\n"
)
if customerSelect.lower() == "x":
break
customerSelect = int(customerSelect)
if customerSelect <= 0 or customerSelect > len(
foodStall.menuList):
print("invalid number\n")
continue
foodName = foodStall.menuList[customerSelect - 1]["name"]
foodPrice = foodStall.menuList[customerSelect - 1]["price"]
foodId = foodStall.menuList[customerSelect - 1]["id"]
while True:
if backtoMenu == True:
break
if customerContinue == False:
break
quantity = input(
"How many of " + foodName +
" would you like? Press 'x' to exit\n")
if quantity.lower() == "x":
break
try:
quantity = int(quantity)
if quantity < 0:
print("Please enter a valid number\n")
continue
confirm = input("Confirm ordering " +
str(quantity) + " " + foodName +
"?\n" +
"Press 'y' fo yes, 'n' for no\n")
if confirm.lower() == "y":
foodStall.addFood(customerSelect, quantity)
orderDict = {
"foodName": foodName,
"quantity": quantity,
"totalPrice": quantity * foodPrice,
"id": foodId,
"price": foodPrice
}
if isKeyExist(customerUniqueOrder, orderDict):
for elem in customerUniqueOrder:
if elem["foodName"] == orderDict.get(
"foodName"):
elem["quantity"] += orderDict.get(
"quantity")
elem[
"totalPrice"] += orderDict.get(
"totalPrice")
break
else:
customerUniqueOrder.append(orderDict)
i = 0
while i < quantity:
newOrderList.append(foodName)
i += 1
elif confirm.lower() == "n":
continue
else:
print("Invalid input\n")
continue
while True:
backtoOrderSummary = False
print("\nYour current order summary")
for elem in customerUniqueOrder:
print(
str(elem["quantity"]) + " " +
elem["foodName"] + " $" +
str(elem["totalPrice"]))
print("Total price with tax is ${:.2f}".format(
foodStall.totalPriceWithTax()))
proceedToPay = input(
"\nPress 'y' to proceed to payment and exit\nPress 'c' to continue adding your order\nPress 'm' to modify or delete your order\n"
)
if proceedToPay.lower() == "y":
customerContinue = False
break
elif proceedToPay.lower() == "c":
backtoMenu = True
break
elif proceedToPay.lower() == "m":
while True:
if backtoOrderSummary:
break
print("\nYour current order summary")
for elem in customerUniqueOrder:
print(
str(elem["quantity"]) + " " +
elem["foodName"] + " $" +
str(elem["totalPrice"]))
print(
"Total price with tax is ${:.2f}".
format(
foodStall.totalPriceWithTax()))
print(
"\nWhich food number would you like to modify? Press 'x' to exit and see your order"
)
i = 1
for elem in customerUniqueOrder:
print(
str(i) + ") " +
elem["foodName"])
i += 1
customerModify = input()
if customerModify.lower() == "x":
backtoMenu = True
break
try:
customerModify = int(
customerModify)
if customerModify <= 0 or customerModify > len(
customerUniqueOrder):
print("invalid number\n")
continue
while True:
quantity = input(
"How many of " +
customerUniqueOrder[
customerModify -
1]["foodName"] +
" would you like to change to? Press '0' if you wish to remove\n"
)
try:
quantity = int(quantity)
if quantity == 0 or quantity == customerUniqueOrder[
customerModify -
1]["quantity"]:
i = 0
while i < customerUniqueOrder[
customerModify
-
1]["quantity"]:
newOrderList.delete(
customerUniqueOrder[
customerModify
- 1]
["foodName"])
i += 1
foodStall.removeFood(
customerUniqueOrder[
customerModify
- 1]["id"], i)
customerUniqueOrder.pop(
customerModify - 1)
print(
"Item has been removed from list"
)
backtoOrderSummary = True
break
elif quantity < 0:
print("Invalid Number")
elif quantity > customerUniqueOrder[
customerModify -
1]["quantity"]:
initialQuantity = customerUniqueOrder[
customerModify -
1]["quantity"]
diff = quantity - initialQuantity
i = 0
while i < diff:
newOrderList.append(
customerUniqueOrder[
customerModify
- 1]
["foodName"])
foodStall.addFood(
customerUniqueOrder[
customerModify
- 1]["id"],
1)
i += 1
amendOrderDict = {
"foodName":
customerUniqueOrder[
customerModify
-
1]["foodName"],
"quantity":
quantity,
"totalPrice":
quantity *
customerUniqueOrder[
customerModify
- 1]["price"]
}
customerUniqueOrder[
customerModify -
1]["quantity"] = amendOrderDict.get(
"quantity")
customerUniqueOrder[
customerModify -
1]["totalPrice"] = amendOrderDict.get(
"totalPrice")
print(
"Item has been upated accordingly"
)
break
else:
initialQuantity = customerUniqueOrder[
customerModify -
1]["quantity"]
diff = initialQuantity - quantity
i = 0
while i < diff:
newOrderList.delete(
customerUniqueOrder[
customerModify
- 1]
["foodName"])
foodStall.removeFood(
customerUniqueOrder[
customerModify
- 1]["id"],
1)
i += 1
customerUniqueOrder[
customerModify -
1]["quantity"] = quantity
customerUniqueOrder[
customerModify -
1]["totalPrice"] = quantity * customerUniqueOrder[
customerModify
- 1]["price"]
print(
"Item has been adjusted accordingly"
)
break
except ValueError:
print(
"Please enter a number\n"
)
continue
except ValueError:
print("Please enter a number\n")
continue
except ValueError:
print("Please enter a number\n")
continue
except ValueError:
print("Please enter a number\n")
continue
if foodStall.totalPriceWithTax() == 0:
customerReorder = input(
"Oh no seems like your cart is empty\nPress 'y' if you would like to order again or press 'x' to exit\n"
)
if customerReorder.lower() == "y":
continue
elif customerReorder.lower() == "x":
print("We hope to serve you next time!\n")
break
else:
print("Invalid input, exiting program")
break
if customerSelect != "x":
print("Your order summary")
for elem in customerUniqueOrder:
print(
str(elem["quantity"]) + " " + elem["foodName"] + " $" +
str(elem["totalPrice"]))
print("\nTotal price with tax is ${:.2f}".format(
foodStall.totalPriceWithTax()))
print("For {} person(s), average per person is ${:.2f}".format(
pax, foodStall.averagePerPax(pax)))
print("Thank you for your order, we hope to see you again!\n")
print("Extra: Here's your link-list")
newOrderList.traverse()
break
elif orderState.lower() == "x":
break
else:
continue
