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atm.py
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atm.py
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""""importing libraries"""
import random
import time
import os
import re
"""In Customer class, dict[str,list] is defined for putting customer data
such as ; name, surname, password, identity, balance. Also with using different methods under Customer class
some operation have been applied"""
class Customers:
"""This is the initial method of the customer class"""
def __init__(self):
self.customer_list = {"name": [], "surname": [], "password": [], "identity": [], "balance": []}
"""When this method is called, identity and balance occurs, name, surname and password are taken as parameter
After password parameter sends to the choosing_password method to be controlled for validation """
def create_customers(self, name, surname, password):
while True:
flag = 0
self.identity = str(random.randint(10000000, 99999999))
self.balance = 0
self.name = name
self.surname = surname
self.password = self.choosing_password(password)
if not bool(self.password):
flag = -1
return flag
elif flag == 0:
return flag
"""This method adds the customer information to the customer list"""
def add_customer(self):
self.customer_list["name"].append(self.name)
self.customer_list["surname"].append(self.surname)
self.customer_list["password"].append(self.password)
self.customer_list["identity"].append(self.identity)
self.customer_list["balance"].append(self.balance)
"""This method removes the chosen customer from the customer list
after controlling whether chosen customer is exist or not """
def remove_customer(self, remove_name, remove_surname):
for i in self.customer_list["name"]:
if remove_name == i:
for k in self.customer_list["surname"]:
index = self.customer_list["surname"].index(k)
if remove_surname == k:
self.customer_list["name"].pop(index)
self.customer_list["surname"].pop(index)
self.customer_list["password"].pop(index)
self.customer_list["identity"].pop(index)
self.customer_list["balance"].pop(index)
wait(3)
print("Your operation completed")
"""This method controls whether chosen customer is exist or not and send remove_name and remove_surname to
remove_customer method as parameters"""
def is_there_customer(self, remove_name, remove_surname):
flag = 0
for i in self.customer_list["name"]:
if remove_name == i:
for k in self.customer_list["surname"]:
if remove_surname == k:
self.remove_customer(remove_name, remove_surname)
return flag
"""This method controls name, surname and password in customer list for sign in"""
def entrance_control(self, entrance_name, entrance_surname, entrance_password):
for i in self.customer_list["name"]:
if entrance_name == i:
for k in self.customer_list["surname"]:
if entrance_surname == k:
for j in self.customer_list["password"]:
if entrance_password == j:
return True
"""This method defines some conditions to customers' password definition"""
def choosing_password(self, entrance_password):
flag = 0
while True:
if len(entrance_password) < 8:
flag = -1
break
elif not re.search("[a-z]", entrance_password):
flag = -1
break
elif not re.search("[A-Z]", entrance_password):
flag = -1
break
elif not re.search("[0-9]", entrance_password):
flag = -1
break
elif not re.search("[-_!@]", entrance_password):
flag = -1
break
elif re.search("\s", entrance_password):
flag = -1
break
else:
flag = 0
print("Valid password")
return entrance_password
if flag == -1:
print("Invalid password")
""""This method controls the name and surname of customer who the money will transfer to in money transfer part """
def money_transfer_validation(self, name, surname):
for i in self.customer_list["name"]:
if name == i:
for k in self.customer_list["surname"]:
if surname == k:
return True
""""This method keeps wait after some operations """
def wait(n):
str = "Your transaction is running"
point = "."
print(str, end="")
for i in range(n):
os.system('cls')
print(point)
time.sleep(0.5)
point += "."
def main():
customer = Customers()
while True:
print("-----------------------------\n"
"WELCOME TO THE BANK SIMULATOR\n"
"-----------------------------\n"
"Please choose your operation \n"
"=============================\n"
"[1] Sign in\n"
"[2] Sign up\n"
"[3] Management")
selection = input("")
if selection == "1":
entrance_name = input("Name:")
entrance_surname = input("Surname:")
entrance_password = input("Password:")
if customer.entrance_control(entrance_name, entrance_surname, entrance_password):
while True:
index = int(customer.customer_list["password"].index(entrance_password))
print("Welcome..{}\t{} \n"
"Chose your operation \n"
"-----------------------\n"
"[1] Account information\n"
"[2] Withdraw money \n"
"[3] Deposit money \n"
"[4] Money transfer \n"
"[Q or q] Quit \n".format(entrance_name.title(), entrance_surname.upper()))
selection = input()
if selection == "q" or selection == "Q":
break
elif selection == "1":
while True:
print("Name: {} \n"
"Surname:{} \n"
"Password:{} \n"
"Identity no:{} \n"
"Balance:{}".format(customer.customer_list["name"][index], customer.customer_list["surname"][index],
customer.customer_list["password"][index], customer.customer_list["identity"][index],
customer.customer_list["balance"][index]))
input("to menu press enter")
break
elif selection == "2":
while True:
wd_money = int(input("Write the the amount of money that you want to withdraw"))
if customer.customer_list["balance"][index] < wd_money:
wait(3)
print("You don not have enough money to apply this operation")
input("to menu press enter")
break
elif customer.customer_list["balance"][index] > wd_money:
customer.customer_list["balance"][index] -= wd_money
wait(3)
print("Operation completed")
input("to menu press enter")
break
elif customer.customer_list["balance"][index] == wd_money:
selection = input("You are about to withdraw all your money are you sure? [yes/y][no/n]")
if selection == "n" or selection == "N":
print("Operation is cancelling...")
input("to menu press enter")
break
elif selection == "y" or selection == "Y":
customer.customer_list["balance"][index] -= wd_money
wait(3)
print("Operation completed")
input("to menu press enter")
break
elif selection != "y" or selection != "Y" or selection != "n" or selection != "N":
while True:
print("Please press valid button")
break
elif selection == "3":
while True:
deposit = int(input("Enter the amount that you want to deposit:"))
customer.customer_list["balance"][index] += deposit
wait(3)
print("Operation completed")
input("to menu press enter")
break
elif selection == "4":
while True:
print("To whom do you want to send money?")
name = input("Name:")
surname = input("Surname:")
if customer.money_transfer_validation(name, surname):
index_transfer = int(customer.customer_list["surname"].index(surname))
if index_transfer != index:
try:
transfer_money = int(input("How much money do you want to send to {}\t{}".format(customer.customer_list["name"][index_transfer],
customer.customer_list["surname"][index_transfer])))
if transfer_money > customer.customer_list["balance"][index]:
input("You do not have enough money to transfer \n"
"enter to return menu")
break
elif transfer_money == customer.customer_list["balance"][index]:
selection = input("You are about to send all your money are you sure [y/n] ")
if selection == "Y" or selection == "y":
customer.customer_list["balance"][index_transfer] += transfer_money
customer.customer_list["balance"][index] -= transfer_money
wait(3)
print("Operation completed")
break
elif selection == "N" or selection == "n":
print("Operation cancelling...")
break
else:
while True:
print("Press valid button")
break
elif transfer_money < customer.customer_list["balance"][index]:
customer.customer_list["balance"][index_transfer] += transfer_money
customer.customer_list["balance"][index] -= transfer_money
wait(3)
print("Operation completed")
break
except ValueError:
print("Please write integer value")
break
else:
print("You can not send money on your own")
else:
print("Could not find user")
break
else:
while True:
print("Invalid choice")
break
else:
while True:
if input("Wrong password or username \n"
"to main menu press enter") == "":
break
elif selection == "2":
while True:
flag = customer.create_customers(input("Name:"), input("Surname:"), input("Primary conditions for password validation: \n"
"1.Minimum 8 characters. \n"
"2.The alphabets must be between [a-z] \n"
"3.At least one alphabet should be of Upper Case [A-Z]\n"
"4.At least 1 number or digit between [0-9]. \n"
"5.At least 1 character from [ _ or - or ! or @ ]."))
if flag == 0:
print("Your account is creating")
wait(3)
print("Your account has been created")
customer.add_customer()
input("-----------------------------\n"
"To continue press enter")
break
while True:
if flag == -1:
break
elif selection == "3":
while True:
print("Welcome to management part")
selection = input("--------------------------\n"
"Make a selection \n"
"[1] Show the customer information\n"
"[2] Remove customers\n"
"[Q] to return main menu")
if selection == "1":
print("Name:{}\n"
"Surname:{}\n"
"Password:{}\n"
"Identity:{}\n"
"Balance:{}".format(customer.customer_list["name"],
customer.customer_list["surname"],
customer.customer_list["password"],
customer.customer_list["identity"],
customer.customer_list["balance"]))
elif selection == "2":
if len(customer.customer_list["name"]) == 0:
print("There are no customers")
enter = input("Press enter to return main menu\n")
if enter == "":
break
else:
flag = customer.is_there_customer(input("Name"), input("Surname"))
if flag == 0:
while True:
enter = input("Press enter to return main menu\n"
"--------------------------------")
if enter == "":
break
elif enter != "":
while True:
print("Please press valid button\n"
"Press enter to return main menu\n")
break
else:
print("The user can not found")
elif selection == "q" or selection == "Q":
break
else:
while True:
print("Press valid button")
break
else:
while True:
print("Please make a valid selection")
print("-----------------------------\n"
"To continue press enter")
input()
break
main()