Azeez Muibi
121 lines
4.2 KiB
Python
121 lines
4.2 KiB
Python
from flask import request, jsonify
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from marshmallow import ValidationError
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from app.api.integrations.kafka import KafkaIntegration
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from app.api.services.base_service import BaseService
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from app.api.enums import TransactionType
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from app.utils.logger import logger
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from app.api.schemas.provide_loan import ProvideLoanSchema
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from threading import Thread
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from app.models.loan import Loan
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from app.api.enums import LoanStatus
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from app.extensions import db
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class ProvideLoanService(BaseService):
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TRANSACTION_TYPE = TransactionType.PROVIDE_LOAN
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@staticmethod
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def process_request(data):
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"""
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Process the ProvideLoan request.
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Args:
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data (dict): The request data.
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Returns:
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dict: A standardized response.
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"""
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try:
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with db.session.begin():
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validated_data = ProvideLoanService.validate_data(data, ProvideLoanSchema())
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account_id = validated_data.get('accountId')
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customer_id = validated_data.get('customerId')
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request_id = validated_data.get('requestId')
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transaction_id = validated_data.get('transactionId')
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if (ProvideLoanService.validate_account_ownership(account_id = account_id, customer_id = customer_id)):
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# Save the loan details
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loan = Loan.create_loan(
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customer_id=customer_id,
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account_id=account_id,
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offer_id=validated_data.get('offerId'),
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principal_amount=validated_data.get('requestedAmount'),
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status=LoanStatus.ACTIVE
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)
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if not loan:
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logger.error(f"Failed to save loan details")
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return jsonify({
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"message": "Failed to save loan details."
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}), 400
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db.session.flush()
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validated_data['refId'] = loan.id
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validated_data['refModel'] = "loan"
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# Log Transaction
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transaction = ProvideLoanService.log_transaction(validated_data = validated_data)
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if not transaction:
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logger.error(f"Failed to log transaction")
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return jsonify({
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"message": "Failed to log transaction."
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}), 400
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else:
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return jsonify({
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"message": "Invalid Customer or Account"
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}), 400
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response_data = {
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"requestId": request_id,
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"transactionId": transaction_id,
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"customerId": customer_id,
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"accountId": account_id,
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"msisdn": "3451342",
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"resultCode": "00",
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"resultDescription": "Successful"
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}
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# KafkaIntegration.send_loan_request(loan_data = response_data, request_id = request_id)
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# Call Kafka in a background thread
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thread = Thread(target=ProvideLoanService.async_send_to_kafka, args=(response_data, request_id, "PROCESS_PAYMENT"))
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thread.start()
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db.session.commit()
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return response_data
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except ValidationError as err:
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logger.error(f"Validation Error: {getattr(err, 'messages', str(err))}")
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db.session.rollback()
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return jsonify({
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"message": "Validation exception"
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}) , 422
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except ValueError as err:
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logger.error(f"{getattr(err, 'messages', str(err))}")
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db.session.rollback()
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return jsonify({
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"message": str(err)
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}) , 400
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except Exception as e:
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logger.error(f"An error occurred: {str(e)}", exc_info=True)
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db.session.rollback()
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return jsonify({
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"message": "Internal Server Error"
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}) , 500
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