package com.ruoyi.account.service.impl.purchase;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import com.baomidou.mybatisplus.core.toolkit.Wrappers;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.github.xiaoymin.knife4j.core.util.CollectionUtils;
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import com.ruoyi.account.bean.dto.purchase.AccountPurchasePaymentDto;
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import com.ruoyi.account.bean.vo.purchase.AccountPurchasePaymentVo;
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import com.ruoyi.account.mapper.AccountStatementDetailsMapper;
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import com.ruoyi.account.mapper.purchase.AccountPaymentApplicationMapper;
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import com.ruoyi.account.mapper.purchase.AccountPurchasePaymentMapper;
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import com.ruoyi.account.pojo.AccountStatementDetails;
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import com.ruoyi.account.pojo.purchase.AccountPaymentApplication;
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import com.ruoyi.account.pojo.purchase.AccountPurchasePayment;
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import com.ruoyi.account.service.purchase.AccountPurchasePaymentService;
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import com.ruoyi.common.exception.ServiceException;
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import com.ruoyi.common.utils.StringUtils;
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import com.ruoyi.common.utils.poi.ExcelUtil;
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import jakarta.servlet.http.HttpServletResponse;
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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.time.LocalDateTime;
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import java.time.format.DateTimeFormatter;
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import java.util.List;
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import java.util.Random;
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/**
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* <p>
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* 财务管理--付款单 服务实现类
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* </p>
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*
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* @author 芯导软件（江苏）有限公司
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* @since 2026-05-19 04:14:51
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*/
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@Service
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@RequiredArgsConstructor
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public class AccountPurchasePaymentServiceImpl extends ServiceImpl<AccountPurchasePaymentMapper, AccountPurchasePayment> implements AccountPurchasePaymentService {
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private static final DateTimeFormatter CODE_TIME_FORMATTER = DateTimeFormatter.ofPattern("yyMMddHHmmss");
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private final AccountPurchasePaymentMapper accountPurchasePaymentMapper;
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private final AccountStatementDetailsMapper accountStatementDetailsMapper;
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private final AccountPaymentApplicationMapper accountPaymentApplicationMapper;
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@Override
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public IPage<AccountPurchasePaymentVo> listPageAccountPurchasePayment(Page page, AccountPurchasePaymentDto accountPurchasePaymentDto) {
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return accountPurchasePaymentMapper.listPageAccountPurchasePayment(page, accountPurchasePaymentDto);
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}
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@Override
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public boolean addAccountPurchasePayment(AccountPurchasePayment accountPurchasePayment) {
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if (StringUtils.isEmpty(accountPurchasePayment.getPaymentNumber())) {
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accountPurchasePayment.setPaymentNumber(genAccountPurchasePaymentNo());
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}
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//校验付款申请是否存在且审核通过
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AccountPaymentApplication accountPaymentApplication = accountPaymentApplicationMapper.selectById(accountPurchasePayment.getAccountPaymentApplicationId());
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if (accountPaymentApplication == null) {
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throw new ServiceException("付款申请不存在");
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}
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if (accountPaymentApplication.getStatus() == null || accountPaymentApplication.getStatus() != 1) {
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throw new ServiceException("付款申请未审核通过，不能付款");
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}
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//校验累计付款金额不能超过申请金额
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List<AccountPurchasePayment> accountPurchasePayments = accountPurchasePaymentMapper.selectList(
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Wrappers.<AccountPurchasePayment>lambdaQuery()
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.eq(AccountPurchasePayment::getAccountPaymentApplicationId, accountPurchasePayment.getAccountPaymentApplicationId()));
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BigDecimal totalPaymentAmount = accountPurchasePayments.stream()
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.map(AccountPurchasePayment::getPaymentAmount)
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.reduce(BigDecimal.ZERO, BigDecimal::add);
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BigDecimal newTotal = totalPaymentAmount.add(accountPurchasePayment.getPaymentAmount());
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if (newTotal.compareTo(accountPaymentApplication.getPaymentAmount()) > 0) {
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throw new ServiceException("累计付款金额不能超过申请金额");
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}
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boolean result = save(accountPurchasePayment);
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// 更新付款申请的付款状态
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if (result) {
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updatePaymentStatus(accountPaymentApplication, newTotal);
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}
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return result;
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}
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@Override
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public void exportAccountPurchasePayment(HttpServletResponse response, AccountPurchasePaymentDto accountPurchasePaymentDto) {
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List<AccountPurchasePaymentVo> list = accountPurchasePaymentMapper.listPageAccountPurchasePayment(new Page(1,-1),accountPurchasePaymentDto).getRecords();
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ExcelUtil<AccountPurchasePaymentVo> util = new ExcelUtil<>(AccountPurchasePaymentVo.class);
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util.exportExcel(response, list , "付款单");
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}
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@Override
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public boolean deleteAccountPurchasePayment(List<Long> ids) {
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if (CollectionUtils.isEmpty(ids)) {
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return false;
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}
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//如果该付款单已经生成对账单则无法删除
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List<AccountPurchasePayment> accountPurchasePayments = accountPurchasePaymentMapper.selectByIds(ids);
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List<String> strings = accountPurchasePayments.stream().map(AccountPurchasePayment::getPaymentNumber).toList();
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List<AccountStatementDetails> accountStatementDetails = accountStatementDetailsMapper.selectList(Wrappers.<AccountStatementDetails>lambdaQuery()
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.in(AccountStatementDetails::getReceiptNumber, strings));
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if (CollectionUtils.isNotEmpty(accountStatementDetails)){
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throw new ServiceException("该付款单已经生成对账单，无法删除");
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}
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boolean result = removeByIds(ids);
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// 删除成功后，更新付款申请的付款状态
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if (result) {
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for (AccountPurchasePayment payment : accountPurchasePayments) {
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if (payment.getAccountPaymentApplicationId() != null) {
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AccountPaymentApplication application = accountPaymentApplicationMapper.selectById(payment.getAccountPaymentApplicationId());
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if (application != null) {
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// 计算剩余付款金额
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List<AccountPurchasePayment> remainingPayments = accountPurchasePaymentMapper.selectList(
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Wrappers.<AccountPurchasePayment>lambdaQuery()
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.eq(AccountPurchasePayment::getAccountPaymentApplicationId, application.getId()));
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BigDecimal remainingAmount = remainingPayments.stream()
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.map(AccountPurchasePayment::getPaymentAmount)
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.reduce(BigDecimal.ZERO, BigDecimal::add);
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updatePaymentStatus(application, remainingAmount);
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}
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}
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}
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}
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return result;
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}
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/**
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* 更新付款申请的付款状态
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* @param application 付款申请
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* @param paidAmount 已付款金额
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*/
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private void updatePaymentStatus(AccountPaymentApplication application, BigDecimal paidAmount) {
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BigDecimal applyAmount = application.getPaymentAmount();
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int newPaymentStatus;
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if (paidAmount.compareTo(BigDecimal.ZERO) == 0) {
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newPaymentStatus = 0; // 未付款
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} else if (paidAmount.compareTo(applyAmount) < 0) {
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newPaymentStatus = 1; // 部分付款
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} else {
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newPaymentStatus = 2; // 已付款
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}
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if (application.getPaymentStatus() == null || application.getPaymentStatus() != newPaymentStatus) {
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application.setPaymentStatus(newPaymentStatus);
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accountPaymentApplicationMapper.updateById(application);
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}
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}
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private String genAccountPurchasePaymentNo() {
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return "SK" + LocalDateTime.now().format(CODE_TIME_FORMATTER) + new Random().nextInt(10);
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}
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}
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