def post(cls):
"""
This method is used when merchant scans a Qr code of customer and send a pull payment request.
:return: msg according to status of transaction
"""
_id = get_jwt_identity()
payload = request.get_json()
merchant = MerchantModel.find_merchant_by_id(_id)
if merchant is None:
return {"msg": INTERNAL_SERVER_ERROR}, 500
# Setting essential fields of Payload for pull funds transfer call
payload["acquirerCountryCode"] = merchant.acquirerCountryCode
payload["acquiringBin"] = merchant.acquiringBin
payload["businessApplicationId"] = merchant.businessApplicationId
payload["cardAcceptor"] = {
"address": {
"country": merchant.country,
"state": merchant.state,
"zipCode": merchant.zipCode
},
"idCode": merchant.idCode,
"name": merchant.name,
"terminalId": merchant.terminalId
}
# Generates a unique system trace audit number.
systemsTraceAuditNumber = str(uuid.uuid4().int >> 32)[0:6]
while systemsTraceAuditNumber in SystemsTraceAuditNumber:
systemsTraceAuditNumber = str(uuid.uuid4().int >> 32)[0:6]
SystemsTraceAuditNumber.add(systemsTraceAuditNumber)
payload["systemsTraceAuditNumber"] = systemsTraceAuditNumber
payload["localTransactionDateTime"] = datetime.utcnow().strftime("%Y-%m-%dT%H:%M:%S")
payload["retrievalReferenceNumber"] = RetrievalNo.No() + str(systemsTraceAuditNumber)
payload["senderPrimaryAccountNumber"] = "4895142232120006"
# customer mobile number present in the qr scanned by merchant
mobile_number = ""
# customer wallet name
wallet_name = ""
# FLag tells whether we get mobile number from customer details or not.
flag = False
# status code is for transaction shows whether the transaction was successful or not
status_code = False
if "mobile_number" in payload:
# mobile_number is present in payload
flag = True
# Setting payload for call to AuthApi for Confirmation of amount present in wallet of sender
payloadAuthApi = {}
mobile_number = payload["mobile_number"]
wallet_name = payload["wallet_name"]
payloadAuthApi["mobile_number"] = payload["mobile_number"]
payloadAuthApi["wallet_name"] = payload["wallet_name"]
del (payload["mobile_number"])
del (payload["wallet_name"])
payloadAuthApi["merchant_name"] = merchant.name
payloadAuthApi["amount"] = payload["amount"]
payloadAuthApi["systemsTraceAuditNumber"] = systemsTraceAuditNumber
# call to authApi for confirmation of amount entered by customer.
r = VisaNet.AmountConfirmation(payloadAuthApi)
if r.status_code != 200:
# Updating History for transaction failure.
history = HistoryModel(amount=payload["amount"],
transaction_id=systemsTraceAuditNumber,
transaction_time=payload["localTransactionDateTime"],
merchant_mobile_number=merchant.mobile_number,
customer_mobile_number=mobile_number,
customer_wallet_name=wallet_name,
merchant_name=merchant.name,
status=status_code
)
history.save_to_db()
return {'msg': PAYMENT_CANNOT_BE_COMPLETED}, 400
# deleting nonessential fields of payload
if "wallet_name" in payload:
del(payload["wallet_name"])
# Sending pull payments request to helper function
response = FundsTransfer.merchant_pull_payments_post_response(payload)
if response.status_code != 200:
if flag:
payloadAuthApi = {
'mobile_number': mobile_number,
'pan': payload["senderPrimaryAccountNumber"],
'systemsTraceAuditNumber': systemsTraceAuditNumber,
'code': response.status_code
}
# Sending request for rollback of payment denoted by code of payload
r = VisaNet.TransactionConfirmation(payloadAuthApi)
# setting history for payment failure
history = HistoryModel(amount=payload["amount"],
transaction_id=systemsTraceAuditNumber,
transaction_time=payload["localTransactionDateTime"],
merchant_mobile_number=merchant.mobile_number,
customer_mobile_number=mobile_number,
customer_wallet_name=wallet_name,
merchant_name=merchant.name,
status=status_code
)
# saving history in the database
history.save_to_db()
return {"msg": INTERNAL_SERVER_ERROR}, 500
# payment approved by visa pull funds transfer api
if response.status_code == 200:
if flag:
payloadAuthApi = {
'mobile_number': mobile_number,
'pan': payload["senderPrimaryAccountNumber"],
'systemsTraceAuditNumber': systemsTraceAuditNumber,
'code': response.status_code
}
# Sending confirmation of transaction to Auth api denoted by code of transaction
r = VisaNet.TransactionConfirmation(payloadAuthApi)
status_code = True
# setting history for payment success
history = HistoryModel(amount=payload["amount"],
transaction_id=systemsTraceAuditNumber,
transaction_time=payload["localTransactionDateTime"],
merchant_mobile_number=merchant.mobile_number,
customer_mobile_number=mobile_number,
customer_wallet_name=wallet_name,
merchant_name=merchant.name,
status=status_code
)
# Saving history in the database.
history.save_to_db()
return response
def put(cls):
"""
Completes the payment via VISA NET using mVisa API.
Also supports functionality of rolling back the payment.
"""
payload = request.get_json()
mobile_number = payload["mobile_number"]
wallet_name = payload["wallet_name"]
del (payload["mobile_number"])
del (payload["wallet_name"])
try:
virtual_card = VirtualCardModel.find_by_mobile_number(
mobile_number)
except:
return {"msg": INTERNAL_SERVER_ERROR}, 500
if not virtual_card:
return {'msg': CARD_NOT_GENERATED}, 400
wallet_response = wallet.get_amount(mobile_number,
float(payload['amount']))
pan = cipher.decrypt(virtual_card.pan)
if wallet_response is None:
return {'msg': INTERNAL_SERVER_ERROR}, 500
if wallet_response.status_code == 404:
return Decryption.decrypt(wallet_response.json()), 401
systems_trace_audit_number = str(uuid.uuid4().int >> 32)[0:6]
last_transaction_time = datetime.utcnow().strftime("%Y-%m-%dT%H:%M:%S")
payload['senderAccountNumber'] = pan
payload['systemsTraceAuditNumber'] = systems_trace_audit_number
payload['retrievalReferenceNumber'] = str(datetime.utcnow().strftime("%y%d%H")) + \
systems_trace_audit_number
payload['localTransactionDateTime'] = last_transaction_time
visa_response = MVisa.merchant_push_payments_post_payload(payload)
print(pan, visa_response.status_code, visa_response.json())
if visa_response is None:
wallet_response = wallet.send_amount(mobile_number,
float(payload['amount']))
return {"msg": ROLL_BACK}, 500
visa_response_status = visa_response.status_code
visa_response = visa_response.json()
if visa_response_status != 200:
wallet_response = wallet.send_amount(mobile_number,
float(payload['amount']))
return {"msg": ROLL_BACK}, 500
virtual_card.last_transaction_time = last_transaction_time
history = HistoryModel(payload['amount'], last_transaction_time,
mobile_number, systems_trace_audit_number,
payload["cardAcceptor"]["name"], wallet_name,
"Success")
virtual_card.count += 1
try:
virtual_card.save_to_db()
history.save_to_db()
except:
return {"msg": DATABASE_ERROR}, 500
return {'msg': visa_response}, 200
def post(cls):
_id = get_jwt_identity()
payload = request.get_json()
merchant = MerchantModel.find_merchant_by_id(_id)
if merchant is None:
return {"msg": INTERNAL_SERVER_ERROR}, 500
payload["acquirerCountryCode"] = merchant.acquirerCountryCode
payload["acquiringBin"] = merchant.acquiringBin
payload["businessApplicationId"] = merchant.businessApplicationId
payload["cardAcceptor"] = {
"address": {
"country": merchant.country,
"state": merchant.state,
"zipCode": merchant.zipCode
},
"idCode": merchant.idCode,
"name": merchant.name,
"terminalId": merchant.terminalId
}
systemsTraceAuditNumber = str(uuid.uuid4().int >> 32)[0:6]
while systemsTraceAuditNumber in SystemsTraceAuditNumber:
systemsTraceAuditNumber = str(uuid.uuid4().int >> 32)[0:6]
SystemsTraceAuditNumber.add(systemsTraceAuditNumber)
payload["systemsTraceAuditNumber"] = systemsTraceAuditNumber
payload["localTransactionDateTime"] = datetime.utcnow().strftime(
"%Y-%m-%dT%H:%M:%S")
payload["retrievalReferenceNumber"] = RetrievalNo.No() + str(
systemsTraceAuditNumber)
payload["senderPrimaryAccountNumber"] = "4895142232120006"
# print(payload)
mobile_number = ""
wallet_name = ""
flag = False
status_code = False
if "mobile_number" in payload:
flag = True
payloadAuthApi = {}
mobile_number = payload["mobile_number"]
wallet_name = payload["wallet_name"]
payloadAuthApi["mobile_number"] = payload["mobile_number"]
payloadAuthApi["wallet_name"] = payload["wallet_name"]
del (payload["mobile_number"])
del (payload["wallet_name"])
payloadAuthApi["merchant_name"] = merchant.name
payloadAuthApi["amount"] = payload["amount"]
payloadAuthApi["systemsTraceAuditNumber"] = systemsTraceAuditNumber
r = VisaNet.AmountConfirmation(payloadAuthApi)
print(r)
print(r.json())
if r.status_code != 200:
history = HistoryModel(
amount=payload["amount"],
transaction_id=systemsTraceAuditNumber,
transaction_time=payload["localTransactionDateTime"],
merchant_mobile_number=merchant.mobile_number,
customer_mobile_number=mobile_number,
customer_wallet_name=wallet_name,
merchant_name=merchant.name,
status=status_code)
history.save_to_db()
return {'msg': PAYMENT_CANNOT_BE_COMPLETED}, 400
if "wallet_name" in payload:
del (payload["wallet_name"])
response = FundsTransfer.merchant_pull_payments_post_response(payload)
if response.status_code != 200:
if flag:
payloadAuthApi = {
'mobile_number': mobile_number,
'pan': payload["senderPrimaryAccountNumber"],
'systemsTraceAuditNumber': systemsTraceAuditNumber,
'code': response.status_code
}
r = VisaNet.TransactionConfirmation(payloadAuthApi)
history = HistoryModel(
amount=payload["amount"],
transaction_id=systemsTraceAuditNumber,
transaction_time=payload["localTransactionDateTime"],
merchant_mobile_number=merchant.mobile_number,
customer_mobile_number=mobile_number,
customer_wallet_name=wallet_name,
merchant_name=merchant.name,
status=status_code)
history.save_to_db()
return {"msg": INTERNAL_SERVER_ERROR}, 500
if response.status_code == 200:
if flag:
payloadAuthApi = {
'mobile_number': mobile_number,
'pan': payload["senderPrimaryAccountNumber"],
'systemsTraceAuditNumber': systemsTraceAuditNumber,
'code': response.status_code
}
r = VisaNet.TransactionConfirmation(payloadAuthApi)
status_code = True
history = HistoryModel(
amount=payload["amount"],
transaction_id=systemsTraceAuditNumber,
transaction_time=payload["localTransactionDateTime"],
merchant_mobile_number=merchant.mobile_number,
customer_mobile_number=mobile_number,
customer_wallet_name=wallet_name,
merchant_name=merchant.name,
status=status_code)
history.save_to_db()
# response = FundsTransfer.merchant_push_payments_post_response()
return response