def __getNewAcctName(self):
"""
Gets the requested account name of the new account.
If logout or cancel is given as input this funciton will return and
the status of this object will indicate what caused the return.
Ensures that the given account name is in valid format as described by
the requirements.
"""
validName = False
name = None
while not validName:
inName = ri('Input the account name for the new account: ',
toLower=False)
if inName == 'logout' or inName == 'off':
self.status = Status.LOGOUT
validName = True
elif inName == 'cancel':
self.status = Status.CANCEL
validName = True
elif len(inName) < 3 or len(inName) > 30:
print('Account names must be between 3 and 30 characters. '
'Please choose a different account name.')
elif not inName.replace(' ', '').isalnum():
print('Account names must only contain alphanumeric characters'
' and spaces. Please choose a different account name.')
else:
validName = True
name = inName
return name
def __getOldAcctName(self):
"""
Gets the account name of the account to delete.
If logout or cancel is given as input this funciton will return and
the status of this object will indicate what caused the return.
Ensures that the account name given is in a valid format to decrease
the chance of a typo causing the deletion to fail when the transaction
is being authenticated by the back end.
"""
validName = False
name = None
while not validName:
inName = ri('Input the account name of account to delete: ',
toLower=False)
if inName == 'logout' or inName == 'off':
self.status = Status.LOGOUT
validName = True
elif inName == 'cancel':
self.status = Status.CANCEL
validName = True
elif len(inName) < 3 or len(inName) > 30:
print('Account names must be between 3 and 30 characters. '
'Please enter a valid account name.')
elif not inName.replace(' ', '').isalnum():
print('Account names must only contain alphanumeric characters'
' and spaces. Please enter a valid account name.')
else:
validName = True
name = inName
return name
def __getOldAcctNum(self):
"""
Gets the account number of the account to delete.
If logout or cancel is given as input this funciton will return and
the status of this object will indicate what caused the return.
Ensures that the account trying to be deleted is actually a current
valid account.
"""
validNum = False
num = None
while not validNum:
inNum = ri('Input the account number of account to delete: ')
if inNum == 'logout' or inNum == 'off':
self.status = Status.LOGOUT
validNum = True
elif inNum == 'cancel':
self.status = Status.CANCEL
validNum = True
elif inNum not in self.validAcctsList.keys():
print('{} is not a valid account. Please enter a valid '
'account'.format(inNum))
else:
validNum = True
num = inNum
return num
def __getNewAcctNum(self):
"""
Gets the requested account number of the new account.
If logout or cancel is given as input this funciton will return and
the status of this object will indicate what caused the return.
Ensures that the given account number is in valid format as described
by the requirements.
"""
validNum = False
num = None
while not validNum:
inNum = ri('Input the account number for the new account: ')
if inNum == 'logout' or inNum == 'off':
self.status = Status.LOGOUT
validNum = True
elif inNum == 'cancel':
self.status = Status.CANCEL
validNum = True
elif not inNum.isdigit():
print('Account numbers must be comprised of only digits. '
'Please choose a different account number.')
elif len(inNum) != 7:
print('Account numbers must be exactly 7 digits in length. '
'Please choose a different account number.')
elif inNum == '0000000':
print('0000000 is a reserved account number. Please choose a '
'different account number.')
elif inNum[0] == '0':
print('Account numbers must not begin with a "0". Please '
'choose a different account number.')
elif inNum in self.validAcctsList.keys():
print('{} is already in use. Please choose a different account'
' number.'.format(inNum))
elif inNum in self.createdAccts:
print('{} is already in use. Please choose a different account'
' number.'.format(inNum))
else:
validNum = True
num = inNum
return num
def getNumber(self, fromAcct):
"""
Returns a given number in cents only when entered in the correct format
"""
validNumber = False
# need a way to determine the transfer total for every account
while not validNumber:
numberString = ri('Enter a number to deposit in cents: ')
if numberString.isdigit():
number = int(numberString)
else:
number = 0
if numberString == "cancel":
self.status = Status.CANCEL
validNumber = True
elif numberString == "off" or numberString == "logout":
self.status = Status.LOGOUT
validNumber = True
elif not numberString.isdigit():
print("Please only enter digits")
elif number > 1000000 and self.mode == Modes.ATM:
print("Maximum transfer of "
u'\xa2'
"1000000 per transaction "
"in ATM mode")
elif number > 99999999 and self.mode == Modes.TELLER:
print("Maximum transfer of "
u'\xa2'
"99999999 per transaction "
"in Teller mode")
elif number < 1:
print("Must deposit at least 1 cent")
elif (self.validAcctsList[fromAcct]['transfer'] +
number) > 500000 and self.mode == Modes.ATM:
print("maximum transfer of " u'\xa2' "1000000 a day")
else:
validNumber = True
return number
def getMode(self):
"""
Function to ask get the requested banking system mode from the user.
Logout and cancel may also be given as input rather than completing
the login.
Inputs of "?" and "help" can be used to prompt the user of possible
valid options.
"""
validMode = False
retMode = Modes.NA
while not validMode:
mode = ri('Enter the desired mode [agent or machine]: ')
if mode == 'agent':
validMode = True
retMode = Modes.TELLER
self.status = Status.OK
elif mode == 'machine':
validMode = True
retMode = Modes.ATM
self.status = Status.OK
elif mode == 'cancel':
validMode = True
retMode = Modes.NA
self.status = Status.CANCEL
elif mode == 'logout':
validMode = True
retMode = Modes.NA
self.status = Status.LOGOUT
else:
string = 'Please enter either agent or machine if you wish to'\
' continue\nIf you do not wish to continue, please '\
'enter either cancel or logout'
if mode != '?' and mode != 'help':
string = 'Unrecognized mode "{}". {}'.format(mode, string)
print(string)
return retMode
def main():
"""
The main loop of the Quinterac banking system. Creates a session object
and then passes commands to it from the user input.
Commands at this level will only be the transaction commands, ie, login,
logout, withdraw, etc. Not the sub-commands such as the amount to
withdraw/transfer/deposit or the login mode of agent or machine.
"""
validAccts, summaryFile = parseArgs()
if not areFilesValid(validAccts, summaryFile):
return RetCode.ERROR
session = Session(validAccts, summaryFile)
prompt = 'Quinterac: '
while session.state != State.END:
if session.mode == Modes.TELLER:
prompt = 'Quinterac [Teller]: '
elif session.mode == Modes.ATM:
prompt = 'Quinterac [ATM]: '
else:
prompt = 'Quinterac: '
command = ri(prompt=prompt)
session.handleCommand(command)
return RetCode.OK
def getAcct(self, text):
"""
Accepts input and only returns given a valid account numberm or None.
@param text The prompt to be used for the input function.
"""
validNum = False
num = None
while not validNum:
inNum = ri(text)
if inNum == 'logout' or inNum == 'off':
self.status = Status.LOGOUT
validNum = True
elif inNum == 'cancel':
self.status = Status.CANCEL
validNum = True
elif inNum not in self.validAcctsList.keys():
print('{} is not a valid account. Please enter a valid '
'account'.format(inNum))
else:
validNum = True
self.acctNumber = inNum
num = inNum
return num