PaymentService.java

package com.bravo.user.service;

import com.bravo.user.dao.model.Payment;
import com.bravo.user.dao.model.mapper.ResourceMapper;
import com.bravo.user.dao.repository.PaymentRepository;
import com.bravo.user.model.dto.PaymentDto;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class PaymentService {

    private static final Logger LOGGER = LoggerFactory.getLogger(PaymentService.class);

    private final PaymentRepository paymentRepository;
    private final ResourceMapper resourceMapper;

    public PaymentService(PaymentRepository paymentRepository, ResourceMapper resourceMapper) {
        this.paymentRepository = paymentRepository;
        this.resourceMapper = resourceMapper;
    }

    public List<PaymentDto> retrieveByUserId(final String id) {
        final List<Payment> payments = paymentRepository.findByUserId(id);

        LOGGER.info("found {} payment(s)", payments.size());
        return resourceMapper.convertPayments(payments);
    }
}