def post(self):
data = depositParser.parse_args()
user = UserModel.find_by_username(get_jwt_identity())
try:
account = AccountModel.find_by_account_number(data['account'])
trans = TransactionModel(amount=data['amount'],
type=TxType.CREDIT,
account_id=account.id,
counterpart_name=data['counterpart_name'],
counterpart_acct=data['counterpart_acct'],
fraud_flag=FraudType.NONE)
trans.save_to_db()
account.applyTransaction(trans)
account.save_to_db()
return jsonify({
'id': account.id,
'balance': str(account.balance),
'owner': account.owner_id
})
except Exception as e:
print(e)
return {
'message':
'There was a problem processing the credit transaction.'
}
def get(self):
data = accountParser.parse_args()
user = UserModel.find_by_username(get_jwt_identity()['username'])
if AccountModel.account_exists(user.id, data['number']) == True:
account = AccountModel.find_by_account_number(data['number'])
transactions = TransactionModel.find_all_by_account_id(account.id)
for t in transactions:
print(t.id, t.amount, t.type, t.account_id)
return transactions
return {
'message':
'Account does not exist or is not owned by current user.'
}
def get(self):
data = accountParser.parse_args()
user = UserModel.find_by_username(get_jwt_identity()['username'])
if AccountModel.account_exists(user.id, data['number']) == True:
account = AccountModel.find_by_account_number(data['number'])
return {
'id': account.id,
'account_number': account.account_number,
'balance': account.balance
}
return {
'message':
'Account does not exist or is not owned by current user.'
}
def post(self):
data = withdrawalParser.parse_args()
if get_jwt_identity(
)['role'] != 'BANK': #maybe compare this using the enum instead of a string?
return {'message': 'Only a bank can initiate a withdrawal.'}
user = UserModel.find_by_username(get_jwt_identity())
try:
account = AccountModel.find_by_account_number(data['account'])
#TODO Add logic to prevent account from going negative
# Good approach would be to do this in the applyTransaction() method. make it return a bool
# True signifies successful transaction, False means it failed (would go negative) then check
# the result here and react accordingly.
trans = TransactionModel(amount=data['amount'],
type=TxType.DEBIT,
account_id=account.id,
counterpart_name=data['counterpart_name'],
counterpart_acct=data['counterpart_acct'],
fraud_flag=FraudType.NONE)
acctUser = UserModel.find_by_id(account.owner_id)
trans.save_to_db()
account.applyTransaction(trans)
account.save_to_db()
return {
'id': account.id,
'balance': str(account.balance),
'owner': account.owner_id,
'message': 'Withdrawal successful.',
'counterpart_name': acctUser.username
}
except Exception as e:
print(e)
return {
'message':
'There was a problem processing the credit transaction.'
}
def post(self):
data = fraudParser.parse_args()
user = UserModel.find_by_username(get_jwt_identity()['username'])
if AccountModel.account_exists(user.id, data['account']) == True:
account = AccountModel.find_by_account_number(data['account'])
transaction = TransactionModel.find_by_id(account.id,
data['transaction'])
if transaction != None:
transaction.fraud_flag = FraudType.FLAG
transaction.save_to_db()
print(transaction.fraud_flag)
return {
'message':
'Selected transaction has been flagged as fraud.'
}
return {
'message':
'Transaction does not exist or is not made by the specified account.'
}
return {
'message':
'Account does not exist or is not owned by current user.'
}
def post(self):
global current_component
#Always start by checking whether current_component is filled out or not
if len(current_component) == 0:
current_component = check_login_list()
if len(current_component) == 0:
return {
'message':
'There was a problem with the current component functionality.'
}
data = cardParser.parse_args()
if get_jwt_identity(
)['role'] != 'CC': #maybe compare this using the enum instead of a string?
return {
'message':
'Only a credit card processor can initiate a card processing transaction.'
}
user = UserModel.find_by_username(get_jwt_identity()['username'])
destAccount = AccountModel.find_by_account_number(data['destination'])
destUser = UserModel.find_by_id(destAccount.owner_id)
depositTrans = TransactionModel(amount=Decimal(data['amount']),
type=TxType.CREDIT,
account_id=destAccount.id,
counterpart_acct=data['source'][-4:],
fraud_flag=FraudType.NONE)
# First we have to confirm that the destination account resides at this bank
# If not, send an error message.
if not destAccount.account_number.startswith(str(
current_component[5])):
return {
'message':
'Cannot process a card transaction that does not terminate at this bank.'
}
# Next, figure out if this transaction takes place within this bank or across different banks
if not data['source'].startswith(str(current_component[5])):
# For a back-to-bank transaction
for bank in current_component[4]:
if len(bank) != 1:
if data['source'].startswith(str(bank[3])):
#cc_login is a helper function in helper.py used to take care of logging into the correct bank
token = bnk_login(bank[1], current_component[3],
bank[2])
header = {
"Authorization": "Bearer " + token['access_token'],
"Content-Type": "application/json"
}
# Make the request to the remote bank
bankResponse = requests.post(
bank[1] + "/bank/withdrawal",
json={
'amount': data['amount'],
'account': data['source'],
'counterpart_name': destUser.username,
'counterpart_acct':
destAccount.account_number[-4:]
},
headers=header,
verify=False).json()
print("Withdrawal request response: ")
print(bankResponse['message'])
if bankResponse['message'] == "Withdrawal successful.":
depositTrans.counterpart_name = bankResponse[
'counterpart_name']
destAccount.applyTransaction(depositTrans)
depositTrans.save_to_db()
destAccount.save_to_db()
return {
'message': 'Card processed successfully 2.'
}
else:
return {
'message':
'Insufficient funds in source account 2.'
}
break
else:
# For a local transaction
srcAccount = AccountModel.find_by_account_number(data['source'])
withdrawalTrans = TransactionModel(
amount=Decimal(data['amount']),
type=TxType.DEBIT,
account_id=srcAccount.id,
counterpart_acct=destAccount.account_number[-4:],
fraud_flag=FraudType.NONE)
try:
withdrawalTrans.counterpart_name = destUser.username
debitOk = srcAccount.applyTransaction(withdrawalTrans)
if debitOk:
srcUser = UserModel.find_by_id(srcAccount.owner_id)
depositTrans.counterpart_name = srcUser.username
destAccount.applyTransaction(depositTrans)
depositTrans.save_to_db()
withdrawalTrans.save_to_db()
srcAccount.save_to_db()
destAccount.save_to_db()
return {'message': 'Card processed successfully.'}
else:
return {'message': 'Insufficient funds in source account.'}
except Exception as e:
print(e)
return {
'message':
'There was a problem processing this card transaction.'
}