def withdraw(self, amount):
"""
Withdraw function to withdraw money from account
"""
if int(amount) <= 0:
# Validation rule: Amount is negative
print(
'Invalid amount. Please enter positive values.\nTransaction aborted!'
)
elif int(amount) > self.max_transaction_amount:
# Validation rule: Amount is more than maximum set by the customer
print(
'Amount entered is more than the maximum.\nTransaction aborted!'
)
elif int(amount) > self.balance:
# Validation rule: Amount is more than current balance
print('Amount entered is more than balance.\nTransaction aborted!')
else:
self.balance -= int(amount)
# Add withdrawal transaction to transactions log
global_transactions.append(
Transaction(self.customer.customer_id, self.account_number,
get_current_date(), get_current_time(),
self.get_branch_code(), amount,
str(int(self.balance) + int(amount)),
str(self.balance),
f'{str(amount)} withdrawn successfully!'))
send_message(
f'Greetings from Bank XXX!\nYour Customer ID {self.customer.customer_id}.\nYou have withdrawn '
f'{str(amount)} from Account #{self.account_number}\nClosing Balance: INR{self.balance}',
self.customer.phone_number)
def modify_account(self):
"""
Modify function to modify an object of Account class
"""
modify_account_list = ['1. Modify Maximum Transaction Amount']
for i in modify_account_list:
print('\t' + i)
print()
ch = input('Command: ')
if ch == '1':
while True:
try:
self.max_transaction_amount = int(
input('New Maximum Transaction Amount: '))
break
except ValueError:
print('\nInvalid Value\n')
global_transactions.append(
Transaction(
self.customer.customer_id, self.account_number,
get_current_date(), get_current_time(),
self.get_branch_code(), 0, self.balance, self.balance,
'Maximum Transaction Amount modified successfully!'))
send_message(
f'Greetings from Bank XXX!\nYour Customer ID {self.customer.customer_id}\nYour Account Number '
f'{self.account_number}.\nYour account has been modified successfully.',
self.customer.phone_number)
def delete_customer(self):
"""
Delete function to delete an object of Customer class
"""
# Add deletion of customer to transactions log
global_transactions.append(
Transaction(self.customer_id, 'NA', get_current_date(),
get_current_time(), 'NA', 'NA', 'NA', 'NA',
f'Customer {self.customer_id} deleted successfully!'))
# Delete individual accounts
for i in self.active_accounts:
self.active_accounts[i].delete_account(False)
self.active_accounts.clear()
print('Customer deleted successfully!')
send_message(
f'Greetings from Bank XXX!\nYour Customer ID {self.customer_id} has been deleted.\nSorry to see you go!',
self.phone_number)
def input_customer(self):
"""
Input function to take values from the user and assign it to an object of Customer class
"""
self.first_name = input('First Name: ')
self.last_name = input('Last Name: ')
self.address.input_address()
while True:
self.phone_number = input(
'Phone Number (+<Country Code><Phone Number>): ')
if validate_phone(self.phone_number):
otp = generate_otp(self.phone_number)
flag = False
while not flag:
otp_input = input(f'OTP sent on {self.phone_number}: ')
if str(otp_input) == str(otp):
flag = True
if flag:
break
else:
print(
'\nInvalid Phone Number. Phone Numbers should follow +<Country Code><Phone Number>\n'
)
while True:
self.email = input('Email: ')
if validate_email(self.email):
break
else:
print('\nInvalid Email ID\n')
self.customer_id = utility.global_customer_id
utility.global_customer_id = str(int(utility.global_customer_id) + 1)
utility.global_customer_id = '0' * (
4 - len(utility.global_customer_id)) + utility.global_customer_id
global_customer_map[self.customer_id] = self
# Add creation of customer to transactions log
global_transactions.append(
Transaction(self.customer_id, 'NA', get_current_date(),
get_current_time(), 'NA', 'NA', 'NA', 'NA',
f'Customer {self.customer_id} created successfully!'))
print(
f'Customer created successfully! Customer ID: {self.customer_id}')
send_message(
f'Greetings from Bank XXX!\nWelcome {self.first_name} {self.last_name}!\nYour Customer ID '
f'{self.customer_id}.', self.phone_number)
def delete_account(self, pop_from_list):
"""
Delete function to delete an object of Account class
"""
# Add deletion of account to transactions log
global_transactions.append(
Transaction(
self.customer.customer_id, self.account_number,
get_current_date(), get_current_time(), self.get_branch_code(),
'NA', self.balance, 0,
f'Account {self.account_number} deleted successfully!'))
self.customer.active_accounts_number -= 1
if pop_from_list:
self.customer.active_accounts.pop(self.account_number)
print(
f'Account {str(self.account_number)} deleted successfully! Closing Balance: INR{str(self.balance)}'
)
send_message(
f'Greetings from Bank XXX!\nYour Customer ID {self.customer.customer_id}\nYour Account Number '
f'{self.account_number}.\nYour account has been deleted successfully.',
self.customer.phone_number)
def input_account(self):
"""
Input function to take values from the user and assign it to an object of Account class
"""
while True:
ch = input('Existing customer? (Y/N): ')
# For existing customers, adds a new account to the customer.active_accounts dictionary
if ch.upper() == 'Y':
existing_customer_id = input('Existing Customer ID: ')
if existing_customer_id in global_customer_map:
print(
f'Customer found. Adding account to customer ID #{existing_customer_id}'
)
self.customer = global_customer_map[existing_customer_id]
self.customer.active_accounts_number += 1
break
else:
print(
'Customer ID does not exist. Recheck ID or register as a new customer.'
)
elif ch.upper() == 'N':
# For new customers, creates a new customer then adds a new account to the customer.active_accounts
# dictionary
self.customer = Customer(
'', '', Address('', '', '', '', '', '', '', ''), '', '', 0,
'', {})
self.customer.input_customer()
self.customer.active_accounts_number += 1
break
while True:
try:
self.max_transaction_amount = int(
input('Maximum Transaction Amount: '))
break
except ValueError:
print('\nInvalid Value\n')
while True:
try:
self.balance = int(input('Initial Balance: '))
break
except ValueError:
print('\nInvalid Value\n')
while True:
branch_code = input('Branch Code: ')
if branch_code in global_branches:
break
else:
print('\nInvalid Branch Code\n')
self.account_number = str(self.customer.customer_id + branch_code +
str("%02d" %
self.customer.active_accounts_number))
self.customer.active_accounts[self.account_number] = self
print(
f'Account created successfully! Account ID: {self.account_number}')
# Add creation of account to transactions log
global_transactions.append(
Transaction(
self.customer.customer_id, self.account_number,
get_current_date(), get_current_time(), self.get_branch_code(),
'NA', 0, self.balance,
f'Account {self.account_number} created successfully!'))
send_message(
f'Greetings from Bank XXX!\nYour Customer ID {self.customer.customer_id}\nYour Account Number '
f'{self.account_number}.\nBalance INR{self.balance}\nYour account has been created successfully.',
self.customer.phone_number)
def modify_customer(self):
"""
Modify function to modify an object of Customer class
"""
modify_customer_list = [
'1. First Name', '2. Last Name', '3. Address', '4. Phone Number',
'5. Email'
]
print('\n\tWhich parameter do you want to modify?')
for i in modify_customer_list:
print('\t' + i)
print()
ch = input('Command: ')
if ch == '1':
self.first_name = input('New First Name: ')
global_transactions.append(
Transaction(self.customer_id, 'NA', get_current_date(),
get_current_time(), 'NA', 'NA', 'NA', 'NA',
'First name modified successfully!'))
send_message(
f'Greetings from Bank XXX!\nYour Customer ID {self.customer_id}.\nYour account has been modified '
f'successfully.', self.phone_number)
elif ch == '2':
self.last_name = input('New Last Name: ')
global_transactions.append(
Transaction(self.customer_id, 'NA', get_current_date(),
get_current_time(), 'NA', 'NA', 'NA', 'NA',
'Last name modified successfully!'))
send_message(
f'Greetings from Bank XXX!\nYour Customer ID {self.customer_id}.\nYour account has been modified '
f'successfully.', self.phone_number)
elif ch == '3':
self.address.modify_address()
global_transactions.append(
Transaction(self.customer_id, 'NA', get_current_date(),
get_current_time(), 'NA', 'NA', 'NA', 'NA',
'Address modified successfully!'))
send_message(
f'Greetings from Bank XXX!\nYour Customer ID {self.customer_id}.\nYour account has been modified '
f'successfully.', self.phone_number)
elif ch == '4':
while True:
self.phone_number = input(
'New Phone Number (+<Country Code><Phone Number>): ')
if validate_phone(self.phone_number):
otp = generate_otp(self.phone_number)
flag = False
while not flag:
otp_input = input(f'OTP sent on {self.phone_number}: ')
if str(otp_input) == str(otp):
flag = True
if flag:
break
else:
print(
'\nInvalid Phone Number. Phone Numbers should follow +<Country Code><Phone Number>\n'
)
global_transactions.append(
Transaction(self.customer_id, 'NA', get_current_date(),
get_current_time(), 'NA', 'NA', 'NA', 'NA',
'Phone number modified successfully!'))
send_message(
f'Greetings from Bank XXX!\nYour Customer ID {self.customer_id}.\nYour account has been modified '
f'successfully.', self.phone_number)
elif ch == '5':
while True:
self.email = input('Email: ')
if validate_email(self.email):
break
else:
print('\nInvalid Email ID\n')
global_transactions.append(
Transaction(self.customer_id, 'NA', get_current_date(),
get_current_time(), 'NA', 'NA', 'NA', 'NA',
'Email modified successfully!'))
send_message(
f'Greetings from Bank XXX!\nYour Customer ID {self.customer_id}.\nYour account has been modified '
f'successfully.', self.phone_number)
else:
print('Invalid entry!')