package com.ruoyi.sales.service.impl;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.core.mapper.BaseMapper;
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import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
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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.ruoyi.basic.mapper.CustomerMapper;
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import com.ruoyi.basic.pojo.Customer;
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import com.ruoyi.common.exception.base.BaseException;
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import com.ruoyi.common.utils.StringUtils;
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import com.ruoyi.other.mapper.TempFileMapper;
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import com.ruoyi.other.pojo.TempFile;
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import com.ruoyi.sales.dto.MonthlyAmountDto;
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import com.ruoyi.sales.dto.SalesLedgerDto;
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import com.ruoyi.sales.mapper.*;
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import com.ruoyi.sales.pojo.*;
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import com.ruoyi.sales.service.ISalesLedgerService;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.io.FilenameUtils;
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import org.springframework.beans.BeanUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.data.redis.core.script.DefaultRedisScript;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import java.io.IOException;
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import java.lang.reflect.Field;
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import java.math.BigDecimal;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.nio.file.StandardCopyOption;
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import java.time.LocalDate;
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import java.time.LocalDateTime;
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import java.time.YearMonth;
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import java.time.format.DateTimeFormatter;
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import java.util.*;
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import java.util.concurrent.TimeUnit;
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import java.util.function.Function;
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import java.util.stream.Collectors;
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/**
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* 销售台账Service业务层处理
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*
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* @author ruoyi
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* @date 2025-05-08
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*/
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@Service
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@RequiredArgsConstructor
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@Slf4j
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public class SalesLedgerServiceImpl extends ServiceImpl<SalesLedgerMapper, SalesLedger> implements ISalesLedgerService {
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private final SalesLedgerMapper salesLedgerMapper;
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private final CustomerMapper customerMapper;
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private final SalesLedgerProductMapper salesLedgerProductMapper;
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private final CommonFileMapper commonFileMapper;
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private final TempFileMapper tempFileMapper;
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private final ReceiptPaymentMapper receiptPaymentMapper;
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private final InvoiceLedgerMapper invoiceLedgerMapper;
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@Autowired
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private InvoiceRegistrationProductMapper invoiceRegistrationProductMapper;
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@Value("${file.upload-dir}")
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private String uploadDir;
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private static final String LOCK_PREFIX = "contract_no_lock:";
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private static final long LOCK_WAIT_TIMEOUT = 10; // 锁等待超时时间（秒）
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private static final long LOCK_EXPIRE_TIME = 30; // 锁自动过期时间（秒）
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private final RedisTemplate<String, String> redisTemplate;
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@Override
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public List<SalesLedger> selectSalesLedgerList(SalesLedgerDto salesLedgerDto) {
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LambdaQueryWrapper<SalesLedger> queryWrapper = new LambdaQueryWrapper<>();
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if (StringUtils.isNotBlank(salesLedgerDto.getCustomerName())) {
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queryWrapper.eq(SalesLedger::getCustomerName, salesLedgerDto.getCustomerName());
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}
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return salesLedgerMapper.selectList(queryWrapper);
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}
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public SalesLedgerDto getSalesLedgerWithProducts(SalesLedgerDto salesLedgerDto) {
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// 1. 查询主表
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SalesLedger salesLedger = salesLedgerMapper.selectById(salesLedgerDto.getId());
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if (salesLedger == null) {
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throw new BaseException("台账不存在");
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}
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// 2. 查询子表
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LambdaQueryWrapper<SalesLedgerProduct> productWrapper = new LambdaQueryWrapper<>();
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productWrapper.eq(SalesLedgerProduct::getSalesLedgerId, salesLedger.getId());
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List<SalesLedgerProduct> products = salesLedgerProductMapper.selectList(productWrapper);
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// 3.查询上传文件
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LambdaQueryWrapper<CommonFile> salesLedgerFileWrapper = new LambdaQueryWrapper<>();
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salesLedgerFileWrapper.eq(CommonFile::getCommonId, salesLedger.getId());
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List<CommonFile> salesLedgerFiles = commonFileMapper.selectList(salesLedgerFileWrapper);
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// 4. 转换 DTO
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SalesLedgerDto resultDto = new SalesLedgerDto();
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BeanUtils.copyProperties(salesLedger, resultDto);
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if (!products.isEmpty()) {
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resultDto.setHasChildren(true);
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resultDto.setProductData(products);
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resultDto.setSalesLedgerFiles(salesLedgerFiles);
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}
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return resultDto;
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}
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@Override
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public List<Map<String, Object>> getSalesNo() {
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LambdaQueryWrapper<SalesLedger> queryWrapper = Wrappers.lambdaQuery();
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queryWrapper.select(SalesLedger::getId, SalesLedger::getSalesContractNo);
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// 获取原始查询结果
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List<Map<String, Object>> result = salesLedgerMapper.selectMaps(queryWrapper);
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// 将下划线命名转换为驼峰命名
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return result.stream().map(map -> map.entrySet().stream()
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.collect(Collectors.toMap(
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entry -> underlineToCamel(entry.getKey()),
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Map.Entry::getValue))
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).collect(Collectors.toList());
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}
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@Override
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public BigDecimal getContractAmount() {
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LocalDate now = LocalDate.now();
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YearMonth currentMonth = YearMonth.from(now);
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// 创建LambdaQueryWrapper
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LambdaQueryWrapper<SalesLedger> queryWrapper = new LambdaQueryWrapper<>();
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queryWrapper.ge(SalesLedger::getEntryDate, currentMonth.atDay(1).atStartOfDay()) // 大于等于本月第一天
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.lt(SalesLedger::getEntryDate, currentMonth.plusMonths(1).atDay(1).atStartOfDay()); // 小于下月第一天
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// 执行查询并计算总和
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List<SalesLedger> salesLedgers = salesLedgerMapper.selectList(queryWrapper);
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BigDecimal totalContractAmount = salesLedgers.stream()
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.map(SalesLedger::getContractAmount)
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.filter(Objects::nonNull)
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.reduce(BigDecimal.ZERO, BigDecimal::add);
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return totalContractAmount;
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}
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@Override
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public List getTopFiveList() {
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// 查询原始数据
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LambdaQueryWrapper<SalesLedger> queryWrapper = Wrappers.lambdaQuery();
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queryWrapper.select(SalesLedger::getCustomerId,
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SalesLedger::getCustomerName,
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SalesLedger::getContractAmount)
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.orderByDesc(SalesLedger::getContractAmount);
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List<SalesLedger> records = salesLedgerMapper.selectList(queryWrapper);
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// 按客户ID分组并聚合金额
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Map<Long, GroupedCustomer> groupedMap = new LinkedHashMap<>(); // 使用LinkedHashMap保持排序
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for (SalesLedger record : records) {
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groupedMap.computeIfAbsent(record.getCustomerId(),
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k -> new GroupedCustomer(record.getCustomerId(), record.getCustomerName()))
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.addAmount(record.getContractAmount());
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}
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// 转换为结果列表并取前5
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return groupedMap.values().stream()
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.sorted(Comparator.comparing(GroupedCustomer::getTotalAmount).reversed())
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.limit(5)
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.map(customer -> {
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Map<String, Object> result = new HashMap<>();
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result.put("customerId", customer.getCustomerId());
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result.put("customerName", customer.getCustomerName());
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result.put("totalAmount", customer.getTotalAmount());
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return result;
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})
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.collect(Collectors.toList());
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}
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@Override
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public List<MonthlyAmountDto> getAmountHalfYear() {
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LocalDate now = LocalDate.now();
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YearMonth currentMonth = YearMonth.from(now);
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List<MonthlyAmountDto> monthlyAmounts = new ArrayList<>();
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for (int i = 0; i < 6; i++) {
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YearMonth targetMonth = currentMonth.minusMonths(i);
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LocalDate firstDayOfMonth = targetMonth.atDay(1);
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LocalDate firstDayOfNextMonth = targetMonth.plusMonths(1).atDay(1);
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LocalDateTime startOfMonth = firstDayOfMonth.atStartOfDay();
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LocalDateTime startOfNextMonth = firstDayOfNextMonth.atStartOfDay();
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LambdaQueryWrapper<ReceiptPayment> receiptPaymentLambdaQueryWrapper = new LambdaQueryWrapper<>();
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receiptPaymentLambdaQueryWrapper.ge(ReceiptPayment::getCreateTime, startOfMonth)
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.lt(ReceiptPayment::getCreateTime, startOfNextMonth);
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LambdaQueryWrapper<InvoiceLedger> invoiceLedgerLambdaQueryWrapper = new LambdaQueryWrapper<>();
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invoiceLedgerLambdaQueryWrapper.ge(InvoiceLedger::getCreateTime, startOfMonth)
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.lt(InvoiceLedger::getCreateTime, startOfNextMonth);
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// 获取回款金额
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List<ReceiptPayment> receiptPaymentList = receiptPaymentMapper.selectList(receiptPaymentLambdaQueryWrapper);
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//开票金额
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List<InvoiceLedger> invoiceLedgerList = invoiceLedgerMapper.selectList(invoiceLedgerLambdaQueryWrapper);
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// 使用 Stream 求和
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BigDecimal invoiceAmount = invoiceLedgerList.stream()
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.map(InvoiceLedger::getInvoiceTotal)
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.filter(Objects::nonNull)
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.reduce(BigDecimal.ZERO, BigDecimal::add);
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BigDecimal receiptAmount = receiptPaymentList.stream()
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.map(ReceiptPayment::getReceiptPaymentAmount)
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.filter(Objects::nonNull)
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.reduce(BigDecimal.ZERO, BigDecimal::add);
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MonthlyAmountDto monthlyAmount = new MonthlyAmountDto();
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monthlyAmount.setMonth(targetMonth.format(DateTimeFormatter.ofPattern("yyyy-MM")));
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monthlyAmount.setInvoiceAmount(invoiceAmount);
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monthlyAmount.setReceiptAmount(receiptAmount);
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monthlyAmounts.add(monthlyAmount);
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}
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return monthlyAmounts;
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}
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// 内部类用于存储聚合结果
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private static class GroupedCustomer {
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private final Long customerId;
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private final String customerName;
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private BigDecimal totalAmount = BigDecimal.ZERO;
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public GroupedCustomer(Long customerId, String customerName) {
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this.customerId = customerId;
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this.customerName = customerName;
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}
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public void addAmount(BigDecimal amount) {
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if (amount != null) {
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this.totalAmount = this.totalAmount.add(amount);
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}
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}
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public Long getCustomerId() {
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return customerId;
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}
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public String getCustomerName() {
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return customerName;
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}
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public BigDecimal getTotalAmount() {
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return totalAmount;
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}
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}
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/**
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* 下划线命名转驼峰命名
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*/
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private String underlineToCamel(String param) {
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if (param == null || "".equals(param.trim())) {
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return "";
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}
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int len = param.length();
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StringBuilder sb = new StringBuilder(len);
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for (int i = 0; i < len; i++) {
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char c = param.charAt(i);
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if (c == '_') {
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if (++i < len) {
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sb.append(Character.toUpperCase(param.charAt(i)));
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}
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} else {
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sb.append(Character.toLowerCase(c));
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}
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}
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return sb.toString();
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public int deleteSalesLedgerByIds(Long[] ids) {
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List<Long> idList = Arrays.stream(ids)
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.filter(Objects::nonNull)
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.collect(Collectors.toList());
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if (CollectionUtils.isEmpty(idList)) {
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return 0;
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}
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// 1. 先删除子表数据
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LambdaQueryWrapper<SalesLedgerProduct> productWrapper = new LambdaQueryWrapper<>();
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productWrapper.in(SalesLedgerProduct::getSalesLedgerId, idList);
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salesLedgerProductMapper.delete(productWrapper);
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// 2. 再删除主表数据
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return salesLedgerMapper.deleteBatchIds(idList);
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public int addOrUpdateSalesLedger(SalesLedgerDto salesLedgerDto) {
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try {
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// 1. 校验客户信息
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Customer customer = customerMapper.selectById(salesLedgerDto.getCustomerId());
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if (customer == null) {
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throw new BaseException("客户不存在");
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}
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// 2. DTO转Entity
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SalesLedger salesLedger = convertToEntity(salesLedgerDto);
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salesLedger.setCustomerName(customer.getCustomerName());
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salesLedger.setTenantId(customer.getTenantId());
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// 3. 新增或更新主表
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if (salesLedger.getId() == null) {
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String contractNo = generateSalesContractNo();
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salesLedger.setSalesContractNo(contractNo);
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salesLedgerMapper.insert(salesLedger);
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} else {
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salesLedgerMapper.updateById(salesLedger);
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}
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// 4. 处理子表数据
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List<SalesLedgerProduct> productList = salesLedgerDto.getProductData();
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if (productList != null && !productList.isEmpty()) {
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handleSalesLedgerProducts(salesLedger.getId(), productList, salesLedgerDto.getType());
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updateMainContractAmount(
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salesLedger.getId(),
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productList,
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SalesLedgerProduct::getTaxInclusiveTotalPrice,
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salesLedgerMapper,
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SalesLedger.class
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);
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}
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// 5. 迁移临时文件到正式目录
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if (salesLedgerDto.getTempFileIds() != null && !salesLedgerDto.getTempFileIds().isEmpty()) {
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migrateTempFilesToFormal(salesLedger.getId(), salesLedgerDto.getTempFileIds());
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}
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return 1;
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} catch (IOException e) {
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throw new BaseException("文件迁移失败: " + e.getMessage());
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}
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}
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// 文件迁移方法
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/**
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* 将临时文件迁移到正式目录
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*
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* @param businessId 业务ID（销售台账ID）
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* @param tempFileIds 临时文件ID列表
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* @throws IOException 文件操作异常
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*/
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private void migrateTempFilesToFormal(Long businessId, List<String> tempFileIds) throws IOException {
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if (CollectionUtils.isEmpty(tempFileIds)) {
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return;
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}
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// 构建正式目录路径（按业务类型和日期分组）
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String formalDir = uploadDir + LocalDate.now().format(DateTimeFormatter.ISO_LOCAL_DATE);
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Path formalDirPath = Paths.get(formalDir);
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// 确保正式目录存在（递归创建）
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if (!Files.exists(formalDirPath)) {
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Files.createDirectories(formalDirPath);
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}
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for (String tempFileId : tempFileIds) {
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// 查询临时文件记录
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TempFile tempFile = tempFileMapper.selectById(tempFileId);
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if (tempFile == null) {
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log.warn("临时文件不存在，跳过处理: {}", tempFileId);
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continue;
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}
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// 构建正式文件名（包含业务ID和时间戳，避免冲突）
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String originalFilename = tempFile.getOriginalName();
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String fileExtension = FilenameUtils.getExtension(originalFilename);
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String formalFilename = businessId + "_" +
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System.currentTimeMillis() + "_" +
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UUID.randomUUID().toString().substring(0, 8) +
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(StringUtils.hasText(fileExtension) ? "." + fileExtension : "");
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Path formalFilePath = formalDirPath.resolve(formalFilename);
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try {
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// 执行文件迁移（使用原子操作确保安全性）
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Files.move(
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Paths.get(tempFile.getTempPath()),
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formalFilePath,
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StandardCopyOption.REPLACE_EXISTING,
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StandardCopyOption.ATOMIC_MOVE
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);
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log.info("文件迁移成功: {} -> {}", tempFile.getTempPath(), formalFilePath);
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// 更新文件记录（关联到业务ID）
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CommonFile fileRecord = new CommonFile();
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fileRecord.setCommonId(businessId);
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fileRecord.setName(originalFilename);
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fileRecord.setUrl(formalFilePath.toString());
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fileRecord.setCreateTime(LocalDateTime.now());
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fileRecord.setType("1");
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commonFileMapper.insert(fileRecord);
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// 删除临时文件记录
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tempFileMapper.deleteById(tempFile);
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log.info("文件迁移成功: {} -> {}", tempFile.getTempPath(), formalFilePath);
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} catch (IOException e) {
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log.error("文件迁移失败: {}", tempFile.getTempPath(), e);
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// 可选择回滚事务或记录失败文件
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throw new IOException("文件迁移异常", e);
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}
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}
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}
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private void handleSalesLedgerProducts(Long salesLedgerId, List<SalesLedgerProduct> products, Integer type) {
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// 按ID分组，区分新增和更新的记录
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Map<Boolean, List<SalesLedgerProduct>> partitionedProducts = products.stream()
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.peek(p -> p.setSalesLedgerId(salesLedgerId))
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.collect(Collectors.partitioningBy(p -> p.getId() != null));
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List<SalesLedgerProduct> updateList = partitionedProducts.get(true);
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List<SalesLedgerProduct> insertList = partitionedProducts.get(false);
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// 执行更新操作
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if (!updateList.isEmpty()) {
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for (SalesLedgerProduct product : updateList) {
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product.setType(type);
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salesLedgerProductMapper.updateById(product);
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}
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}
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// 执行插入操作
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if (!insertList.isEmpty()) {
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for (SalesLedgerProduct salesLedgerProduct : insertList) {
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salesLedgerProduct.setType(type);
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salesLedgerProduct.setNoInvoiceNum(salesLedgerProduct.getQuantity().intValue());
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salesLedgerProduct.setNoInvoiceAmount(salesLedgerProduct.getTaxInclusiveTotalPrice());
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salesLedgerProductMapper.insert(salesLedgerProduct);
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}
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}
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}
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private SalesLedger convertToEntity(SalesLedgerDto dto) {
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SalesLedger entity = new SalesLedger();
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BeanUtils.copyProperties(dto, entity);
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return entity;
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}
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@Transactional(readOnly = true)
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public String generateSalesContractNo() {
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LocalDate currentDate = LocalDate.now();
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String datePart = currentDate.format(DateTimeFormatter.BASIC_ISO_DATE);
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String lockKey = LOCK_PREFIX + datePart;
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String lockValue = Thread.currentThread().getId() + "-" + System.nanoTime(); // 唯一标识锁持有者
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try {
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// 1. 尝试获取分布式锁（循环直到超时）
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long startWaitTime = System.currentTimeMillis();
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while (System.currentTimeMillis() - startWaitTime < LOCK_WAIT_TIMEOUT * 1000) {
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// SET key value NX PX 30000：仅当锁不存在时获取，设置30秒过期
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Boolean locked = redisTemplate.opsForValue().setIfAbsent(lockKey, lockValue, LOCK_EXPIRE_TIME, TimeUnit.SECONDS);
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if (Boolean.TRUE.equals(locked)) {
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break; // 成功获取锁
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}
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// 短暂休眠避免忙等待
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try {
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Thread.sleep(100);
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} catch (InterruptedException e) {
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Thread.currentThread().interrupt();
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throw new RuntimeException("获取锁时被中断", e);
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}
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}
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if (!redisTemplate.hasKey(lockKey)) {
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throw new RuntimeException("获取合同编号生成锁失败：超时");
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}
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// 2. 查询当天已存在的序列号（与原逻辑一致）
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List<Integer> existingSequences = salesLedgerMapper.selectSequencesByDate(datePart);
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int nextSequence = findFirstMissingSequence(existingSequences);
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return datePart + String.format("%02d", nextSequence);
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} finally {
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// 3. 释放锁（使用Lua脚本保证原子性，避免误删其他线程的锁）
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String luaScript = "if redis.call('GET', KEYS[1]) == ARGV[1] then return redis.call('DEL', KEYS[1]) else return 0 end";
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redisTemplate.execute(
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new DefaultRedisScript<>(luaScript, Long.class),
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Collections.singletonList(lockKey),
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lockValue // 只有持有相同值的线程才能删除锁
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);
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}
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}
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private int findFirstMissingSequence(List<Integer> sequences) {
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if (sequences.isEmpty()) {
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return 1;
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}
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// 排序后查找第一个缺失的正整数（与原逻辑一致）
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sequences.sort(Integer::compareTo);
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int next = 1;
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for (int seq : sequences) {
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if (seq == next) {
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next++;
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} else if (seq > next) {
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break;
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}
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}
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return next;
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}
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public <T, S> void updateMainContractAmount(
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Long mainId,
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List<T> subList,
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Function<T, BigDecimal> amountGetter,
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BaseMapper<S> mainMapper,
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Class<S> mainEntityClass) {
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if (mainId == null || subList == null || subList.isEmpty()) {
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return;
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}
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// 计算子表金额总和
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BigDecimal totalAmount = subList.stream()
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.map(amountGetter)
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.filter(Objects::nonNull)
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.reduce(BigDecimal.ZERO, BigDecimal::add);
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// 构造主表更新对象（支持任意主表类型）
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try {
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S entity = mainEntityClass.getDeclaredConstructor().newInstance();
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Field idField = mainEntityClass.getDeclaredField("id");
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idField.setAccessible(true);
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idField.set(entity, mainId);
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// 设置 contractAmount 字段，注意这里假设字段名为 "contractAmount"
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Field amountField = mainEntityClass.getDeclaredField("contractAmount");
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amountField.setAccessible(true);
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amountField.set(entity, totalAmount);
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mainMapper.updateById(entity);
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} catch (Exception e) {
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throw new RuntimeException("动态更新主表金额失败", e);
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}
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}
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}
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