def process_transaction(data):
# Get the username
if not data.get("custom", None) or data.get("custom", None) == "None":
username = None
else:
try:
username = username_signer.loads(data["custom"])
except (BadPayload, BadData, BadSignature):
username = None
TransactionLog(data=data, username=username).save()
txn_id = data.get("parent_txn_id") or data.get("txn_id")
# Check if the transaction already exists in db.
transaction = DonationTransaction.objects(transaction_id=txn_id).first()
if transaction:
pass
else:
transaction = DonationTransaction()
transaction.username = username
transaction.email = data["payer_email"]
transaction.gross = float(data.get("mc_gross", 0))
transaction.fee = float(data.get("mc_fee", 0))
transaction.amount = transaction.gross - transaction.fee
transaction.payment_type = data.get("payment_type", "")
transaction.transaction_id = txn_id
transaction_status = DonationTransactionStatus()
transaction_status.status = data["payment_status"]
transaction_status.reason = data.get("pending_reason", None) or data.get(
"reason_code", None)
transaction_status.valid = validate_transaction(data)
transaction_status.gross = float(data.get("mc_gross", 0))
transaction_status.fee = float(data.get("mc_fee", 0))
transaction_status.complete_data = data
transaction.payment_status_events.append(transaction_status)
transaction.valid = validate_transaction(data)
transaction.save()
