PaymentServiceImpl.java
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package vion.service.impl;
import cn.hutool.core.util.ObjUtil;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.github.yulichang.base.MPJBaseServiceImpl;
import io.github.linpeilie.Converter;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import vion.dto.PaymentDTO;
import vion.mapper.PaymentMapper;
import vion.model.Contract;
import vion.model.Payment;
import vion.service.IContractPaymentService;
import vion.service.IContractService;
import vion.service.IPaymentService;
import vion.vo.PaymentVO;
import java.math.BigDecimal;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
/**
* @author HlQ
* @date 2023/12/5
*/
@Service
@RequiredArgsConstructor
public class PaymentServiceImpl extends MPJBaseServiceImpl<PaymentMapper, Payment> implements IPaymentService {
private final IContractService contractService;
private final IContractPaymentService contractPaymentService;
private final Converter converter;
@Override
public Page<PaymentVO> list(PaymentDTO dto) {
Page<Payment> recPage = this.lambdaQuery(converter.convert(dto, new Payment())).page(Page.of(dto.getPageNum(), dto.getPageSize()));
return Page.<PaymentVO>of(recPage.getCurrent(), recPage.getSize(), recPage.getTotal()).setRecords(converter.convert(recPage.getRecords(), PaymentVO.class));
}
@Override
@Transactional(rollbackFor = Exception.class)
public String save(List<PaymentDTO> dto) {
List<Payment> paymentList = converter.convert(dto, Payment.class);
paymentList.forEach(p -> {
Payment payment = this.lambdaQuery().eq(Payment::getSerialNo, p.getSerialNo()).one();
if (ObjUtil.isNull(payment)) {
this.save(p);
} else {
p.setId(payment.getId());
this.updateById(p);
}
});
Map<String, List<Payment>> no2PaymentMap = paymentList.stream().collect(Collectors.groupingBy(Payment::getContractNo));
no2PaymentMap.forEach((no, list) -> {
BigDecimal sumAmount = list.stream().map(Payment::getPaymentAmount).reduce(BigDecimal.ZERO, BigDecimal::add);
Contract existContract = contractService.lambdaQuery().eq(Contract::getContractNo, no).one();
// 最新的应收款去计算
Contract updDto = new Contract();
updDto.setId(existContract.getId());
updDto.setPaidAmount(sumAmount);
contractPaymentService.calMoney(existContract, updDto);
contractService.updateById(updDto);
});
return "成功";
}
}