package com.by4cloud.platformx.business.service.impl;
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import cn.hutool.core.bean.BeanUtil;
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import cn.hutool.core.util.ArrayUtil;
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import cn.hutool.core.util.ObjUtil;
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import cn.hutool.core.util.StrUtil;
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import com.baomidou.mybatisplus.core.toolkit.Wrappers;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.by4cloud.platformx.business.entity.*;
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import com.by4cloud.platformx.business.mapper.*;
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import com.by4cloud.platformx.business.service.ContractService;
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import com.by4cloud.platformx.business.service.PaymentOffsetService;
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import com.by4cloud.platformx.common.core.util.R;
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import lombok.RequiredArgsConstructor;
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import org.springframework.stereotype.Service;
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import java.math.BigDecimal;
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import java.util.List;
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import java.util.Objects;
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/**
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* 抵抹账
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*
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* @author syt
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* @date 2026-05-19 10:38:26
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*/
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@Service
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@RequiredArgsConstructor
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public class PaymentOffsetServiceImpl extends ServiceImpl<PaymentOffsetMapper, PaymentOffset> implements PaymentOffsetService {
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private final ContractService contractService;
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private final PaymentConfirmMapper paymentConfirmMapper;
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private final ContractPaymentScheduleMapper contractPaymentScheduleMapper;
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private final CurrentOverdueMapper currentOverdueMapper;
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private final HistoryOverdueMapper historyOverdueMapper;
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@Override
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public R add(PaymentOffset paymentOffset) {
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baseMapper.insert(paymentOffset);
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Contract contract = contractService.getById(paymentOffset.getContractId());
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PaymentConfirm lastConfirm = paymentConfirmMapper.selectOne(Wrappers.<PaymentConfirm>lambdaQuery().eq(PaymentConfirm::getContractId,contract.getId())
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.orderByDesc(PaymentConfirm::getCreateTime).last("limit 1"));
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BigDecimal lastTotal = new BigDecimal("0");
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if(ObjUtil.isNotNull(lastConfirm)){
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lastTotal = lastConfirm.getTotalAmount();
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}
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PaymentConfirm entity = new PaymentConfirm();
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entity.setContractId(contract.getId());
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entity.setContractName(contract.getContractName());
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entity.setContractNo(contract.getContractNo());
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entity.setBusGuestId(paymentOffset.getBusGuestId());
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entity.setBusGuestName(paymentOffset.getBusGuestName());
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entity.setBusinessType("抵抹账");
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entity.setConfirmTime(paymentOffset.getOffsetTime());
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entity.setTransationAmount(paymentOffset.getOffsetAmount());
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entity.setTotalAmount(paymentOffset.getOffsetAmount().add(lastTotal));
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entity.setPayType(2);
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paymentConfirmMapper.insert(entity);
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//更新付款阶段付款
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List<ContractPaymentSchedule> scheduleList = contractPaymentScheduleMapper.selectList(Wrappers.<ContractPaymentSchedule>lambdaQuery()
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.eq(ContractPaymentSchedule::getContractId,contract.getId()).ne(ContractPaymentSchedule::getPaymentStatus,2)
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.orderByAsc(ContractPaymentSchedule::getCreateTime));
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if (ArrayUtil.isNotEmpty(scheduleList.toArray())){
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BigDecimal remain = paymentOffset.getOffsetAmount();
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for (ContractPaymentSchedule schedule:scheduleList) {
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BigDecimal lastRemain = remain;
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remain = remain.subtract(StrUtil.equals(schedule.getPaymentStatus()+"","0")?schedule.getPlannedAmount():
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schedule.getPlannedAmount().subtract(schedule.getActualAmount()));
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if (remain.compareTo(new BigDecimal("0"))>=0){
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schedule.setActualAmount(schedule.getPlannedAmount());
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schedule.setPaymentDate(paymentOffset.getOffsetTime());
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schedule.setPaymentStatus(2);
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contractPaymentScheduleMapper.updateById(schedule);
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//查询是否有当前逾期
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CurrentOverdue currentOverdue = currentOverdueMapper.selectOne(Wrappers.<CurrentOverdue>lambdaQuery().eq(CurrentOverdue::getScheduleId,schedule.getId())
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.eq(CurrentOverdue::getContractId,schedule.getContractId()).last("limit 1"));
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if (ObjUtil.isNotNull(currentOverdue)){
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//新增逾期历史
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HistoryOverdue historyOverdue = BeanUtil.copyProperties(currentOverdue,HistoryOverdue.class,"id");
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historyOverdue.setPaymentTime(paymentOffset.getOffsetTime());
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historyOverdue.setCompId(schedule.getCompId());
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historyOverdueMapper.insert(historyOverdue);
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//删除当前逾期
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currentOverdueMapper.deleteById(currentOverdue);
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}
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}else {
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schedule.setActualAmount(StrUtil.equals(schedule.getPaymentStatus()+"","0")?schedule.getPlannedAmount().add(remain):
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schedule.getActualAmount().add(lastRemain));
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schedule.setPaymentDate(paymentOffset.getOffsetTime());
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schedule.setPaymentStatus(1);
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contractPaymentScheduleMapper.updateById(schedule);
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//查询是否有当前逾期
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CurrentOverdue currentOverdue = currentOverdueMapper.selectOne(Wrappers.<CurrentOverdue>lambdaQuery().eq(CurrentOverdue::getScheduleId,schedule.getId())
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.eq(CurrentOverdue::getContractId,schedule.getContractId()).last("limit 1"));
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if (ObjUtil.isNotNull(currentOverdue)){
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//新增逾期历史
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HistoryOverdue historyOverdue = BeanUtil.copyProperties(currentOverdue,HistoryOverdue.class,"id");
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historyOverdue.setReceivableAmount(lastRemain);
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historyOverdue.setPaymentTime(paymentOffset.getOffsetTime());
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historyOverdue.setCompId(schedule.getCompId());
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historyOverdueMapper.insert(historyOverdue);
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//查询历史已付逾期金额
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List<HistoryOverdue> historyOverdueList = historyOverdueMapper.selectList(Wrappers.<HistoryOverdue>lambdaQuery().eq(HistoryOverdue::getScheduleId,currentOverdue.getScheduleId()));
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BigDecimal hisTotal = historyOverdueList.stream().map(item->item.getReceivableAmount()).reduce(BigDecimal.ZERO,BigDecimal::add);
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//更新当前逾期
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currentOverdue.setReceivableAmount(schedule.getPlannedAmount().subtract(hisTotal));
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currentOverdueMapper.updateById(currentOverdue);
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}
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break;
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}
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}
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}
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//更新合同已付款
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BigDecimal paid = new BigDecimal("0");
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if (ObjUtil.isNotNull(contract.getPaidAmount())){
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paid = contract.getPaidAmount();
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}
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paid = paid.add(paymentOffset.getOffsetAmount());
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contract.setPaidAmount(paid);
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if (paid.compareTo(contract.getAmount())>0){
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contract.setPaidAmount(contract.getAmount());
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}
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contractService.updateById(contract);
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// 查询所有付款阶段是否都付款完成
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if (ArrayUtil.isNotEmpty(scheduleList.toArray())){
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if (scheduleList.stream().allMatch(item -> Objects.equals(item.getPaymentStatus(), 2))){
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contract.setContractStatus(3);
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contractService.updateById(contract);
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};
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}
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return R.ok();
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}
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}
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