ContractPaymentServiceImpl.java 1.67 KB
package vion.service.impl;

import cn.hutool.core.util.NumberUtil;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Service;
import vion.mapper.ContractPaymentMapper;
import vion.model.Contract;
import vion.model.ContractPayment;
import vion.service.IContractPaymentService;

import java.math.BigDecimal;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

/**
 * @author HlQ
 * @date 2023/11/29
 */
@Service
@RequiredArgsConstructor
public class ContractPaymentServiceImpl extends ServiceImpl<ContractPaymentMapper, ContractPayment> implements IContractPaymentService {

    @Override
    public void calMoney(Contract contract) {
        List<ContractPayment> contractPaymentList = this.lambdaQuery().eq(ContractPayment::getContractId, contract.getId()).list();
        Map<Integer, BigDecimal> type2RatioMap = contractPaymentList.stream().collect(Collectors.toMap(ContractPayment::getPaymentType, ContractPayment::getPaymentRatio));
        Integer status = contract.getStatus();
        BigDecimal sumRatio = new BigDecimal(0);
        for (int i = 1; i <= status; i++) {
            BigDecimal ratio = type2RatioMap.get(i);
            NumberUtil.add(ratio, sumRatio);
        }
        BigDecimal totalAmount = contract.getTotalAmount();
        BigDecimal curAmount = NumberUtil.mul(totalAmount, sumRatio);
        BigDecimal recAmount = NumberUtil.sub(curAmount, contract.getPaidAmount());
        BigDecimal outsideAmount = NumberUtil.sub(totalAmount, recAmount);
        contract.setReceivableAmount(recAmount);
        contract.setOutstandingAmount(outsideAmount);
    }
}