package com.ruoyi.production.service.impl;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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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.ruoyi.common.exception.ServiceException;
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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.common.utils.bean.BeanUtils;
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import com.ruoyi.common.utils.poi.ExcelUtil;
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import com.ruoyi.production.bean.dto.ProductionPlanDto;
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import com.ruoyi.production.bean.dto.ProductionPlanImportDto;
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import com.ruoyi.production.bean.vo.ProductionPlanVo;
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import com.ruoyi.production.mapper.ProductionOrderMapper;
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import com.ruoyi.production.mapper.ProductionPlanMapper;
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import com.ruoyi.production.pojo.ProductionOrder;
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import com.ruoyi.production.pojo.ProductionPlan;
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import com.ruoyi.production.service.ProductionOrderService;
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import com.ruoyi.production.service.ProductionPlanService;
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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 org.springframework.transaction.annotation.Transactional;
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import org.springframework.web.multipart.MultipartFile;
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import java.math.BigDecimal;
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import java.time.LocalDate;
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import java.time.LocalDateTime;
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import java.time.format.DateTimeFormatter;
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import java.util.*;
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import java.util.stream.Collectors;
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@Service
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@RequiredArgsConstructor
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public class ProductionPlanServiceImpl extends ServiceImpl<ProductionPlanMapper, ProductionPlan> implements ProductionPlanService {
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private static final int PLAN_STATUS_WAIT = 0;
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private static final int PLAN_STATUS_PARTIAL = 1;
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private static final int PLAN_STATUS_ISSUED = 2;
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private final ProductionPlanMapper productionPlanMapper;
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private final ProductionOrderMapper productionOrderMapper;
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private final ProductionOrderService productionOrderService;
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@Override
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public IPage<ProductionPlanVo> listPage(Page<ProductionPlanDto> page, ProductionPlanDto productionPlanDto) {
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return productionPlanMapper.listPage(page, productionPlanDto);
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}
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/**
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* 合并生产计划并下发生产订单。
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* 业务约束：
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* 1. 仅允许同一产品型号的计划合并；
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* 2. 已下发或部分下发的计划禁止再次合并；
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* 3. 下发数量不能大于所选计划需求总量；
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* 4. 订单创建统一复用 ProductionOrderService.saveProductionOrder，确保工艺/BOM/领料主单等后续逻辑一致。
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*/
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@Override
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@Transactional(rollbackFor = Exception.class)
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public boolean combine(ProductionPlanDto productionPlanDto) {
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if (productionPlanDto == null || productionPlanDto.getIds() == null || productionPlanDto.getIds().isEmpty()) {
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return false;
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}
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List<Long> planIds = productionPlanDto.getIds().stream()
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.filter(Objects::nonNull)
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.distinct()
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.collect(Collectors.toList());
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if (planIds.isEmpty()) {
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throw new ServiceException("下发失败，未选择生产计划");
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}
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List<ProductionPlanDto> planLists = productionPlanMapper.selectWithMaterialByIds(planIds);
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if (planLists == null || planLists.isEmpty() || planLists.size() != planIds.size()) {
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throw new ServiceException("下发失败，生产计划不存在或已被删除");
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}
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ProductionPlanDto firstPlan = planLists.getFirst();
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if (firstPlan.getProductModelId() == null) {
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throw new ServiceException("下发失败，生产计划缺少产品型号");
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}
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boolean hasDifferentModel = planLists.stream()
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.anyMatch(item -> !Objects.equals(item.getProductModelId(), firstPlan.getProductModelId()));
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if (hasDifferentModel) {
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throw new BaseException("合并失败，所选生产计划的产品型号不一致");
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}
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boolean hasIssuedPlan = planLists.stream()
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.anyMatch(item -> item.getStatus() != null && item.getStatus() == PLAN_STATUS_ISSUED);
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if (hasIssuedPlan) {
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throw new BaseException("合并失败，所选生产计划存在已下发或部分下发数据");
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}
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BigDecimal totalRequiredQuantity = planLists.stream()
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.map(this::resolveRemainingQuantity)
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.reduce(BigDecimal.ZERO, BigDecimal::add);
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if (totalRequiredQuantity.compareTo(BigDecimal.ZERO) <= 0) {
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throw new ServiceException("下发失败，所选生产计划需求总量必须大于0");
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}
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BigDecimal assignedQuantity = productionPlanDto.getTotalAssignedQuantity();
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if (assignedQuantity == null || assignedQuantity.compareTo(BigDecimal.ZERO) <= 0) {
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throw new ServiceException("下发失败，下发数量必须大于0");
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}
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if (assignedQuantity.compareTo(totalRequiredQuantity) > 0) {
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throw new ServiceException("下发失败，下发数量不能大于计划需求总量");
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}
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BigDecimal remainingForOrderBind = assignedQuantity;
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List<Long> issuedPlanIds = new ArrayList<>();
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for (ProductionPlanDto plan : planLists) {
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BigDecimal remainingQuantity = resolveRemainingQuantity(plan);
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if (remainingForOrderBind.compareTo(BigDecimal.ZERO) <= 0 || remainingQuantity.compareTo(BigDecimal.ZERO) <= 0) {
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continue;
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}
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BigDecimal issueForThisPlan = remainingForOrderBind.min(remainingQuantity);
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remainingForOrderBind = remainingForOrderBind.subtract(issueForThisPlan);
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if (issueForThisPlan.compareTo(BigDecimal.ZERO) > 0) {
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issuedPlanIds.add(plan.getId());
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}
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}
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if (issuedPlanIds.isEmpty()) {
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throw new ServiceException("Issue failed, no quantity available for dispatch");
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}
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ProductionOrder productionOrder = new ProductionOrder();
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productionOrder.setProductionPlanIds(formatPlanIds(issuedPlanIds));
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productionOrder.setProductModelId(firstPlan.getProductModelId());
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productionOrder.setQuantity(assignedQuantity);
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productionOrder.setPlanCompleteTime(productionPlanDto.getPlanCompleteTime());
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boolean saved = productionOrderService.saveProductionOrder(productionOrder);
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if (!saved) {
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throw new ServiceException("下发失败，生产订单保存失败");
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}
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//已下发数量
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BigDecimal remainingAssignedQuantity = assignedQuantity;
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List<ProductionPlan> updates = new ArrayList<>();
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for (ProductionPlanDto plan : planLists) {
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BigDecimal requiredQuantity = Optional.ofNullable(plan.getQtyRequired()).orElse(BigDecimal.ZERO);
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if (requiredQuantity.compareTo(BigDecimal.ZERO) < 0) {
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requiredQuantity = BigDecimal.ZERO;
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}
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BigDecimal remainingQuantity = resolveRemainingQuantity(plan);
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BigDecimal historicalIssuedQuantity = requiredQuantity.subtract(remainingQuantity);
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BigDecimal issuedQuantity = BigDecimal.ZERO;
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if (remainingAssignedQuantity.compareTo(BigDecimal.ZERO) > 0 && remainingQuantity.compareTo(BigDecimal.ZERO) > 0) {
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issuedQuantity = remainingAssignedQuantity.min(remainingQuantity);
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remainingAssignedQuantity = remainingAssignedQuantity.subtract(issuedQuantity);
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}
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BigDecimal totalIssuedQuantity = historicalIssuedQuantity.add(issuedQuantity);
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int planStatus = resolvePlanStatus(requiredQuantity, totalIssuedQuantity);
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ProductionPlan update = new ProductionPlan();
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update.setId(plan.getId());
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update.setStatus(planStatus);
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update.setQuantityIssued(totalIssuedQuantity);
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updates.add(update);
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}
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if (!updates.isEmpty()) {
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this.updateBatchById(updates);
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}
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return true;
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public boolean add(ProductionPlanDto dto) {
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if (StringUtils.isBlank(dto.getMpsNo())) {
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dto.setMpsNo(generateNextPlanNo(LocalDate.now().format(DateTimeFormatter.ofPattern("yyyyMMdd"))));
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}else checkMpsNoUnique(dto.getMpsNo(), null);
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dto.setStatus(PLAN_STATUS_WAIT);
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dto.setSource("内部");
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return productionPlanMapper.insert(dto) > 0;
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public boolean update(ProductionPlanDto dto) {
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if (dto == null || dto.getId() == null) {
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throw new ServiceException("编辑失败，数据不能为空");
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}
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ProductionPlan old = getById(dto.getId());
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if (old == null) {
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throw new ServiceException("编辑失败，生产计划不存在");
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}
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if (old.getStatus() != PLAN_STATUS_WAIT) {
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throw new BaseException("编辑失败，该生产计划已下发或部分下发，禁止编辑");
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}
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if (StringUtils.isNotBlank(dto.getMpsNo()) && !dto.getMpsNo().equals(old.getMpsNo())) {
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checkMpsNoUnique(dto.getMpsNo(), dto.getId());
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}
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return productionPlanMapper.updateById(dto) > 0;
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}
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private void checkMpsNoUnique(String mpsNo, Long excludeId) {
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LambdaQueryWrapper<ProductionPlan> wrapper = Wrappers.lambdaQuery();
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wrapper.eq(ProductionPlan::getMpsNo, mpsNo);
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if (excludeId != null) {
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wrapper.ne(ProductionPlan::getId, excludeId);
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}
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if (productionPlanMapper.selectCount(wrapper) > 0) {
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throw new ServiceException("生产计划号 " + mpsNo + " 已存在");
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}
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public boolean delete(List<Long> ids) {
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if (productionPlanMapper.selectList(Wrappers.<ProductionPlan>lambdaQuery().in(ProductionPlan::getId, ids))
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.stream()
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.anyMatch(p -> p.getStatus() == PLAN_STATUS_PARTIAL || p.getStatus() == PLAN_STATUS_ISSUED)) {
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throw new BaseException("删除失败，存在已下发或部分下发的计划");
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}
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if (productionOrderMapper.selectList(Wrappers.<ProductionOrder>lambdaQuery().in(ProductionOrder::getProductionPlanIds, ids))
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.stream()
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.anyMatch(p -> p.getId() != null)) {
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throw new BaseException("删除失败，存在关联生产订单");
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}
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return productionPlanMapper.deleteBatchIds(ids) > 0;
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void importProdData(MultipartFile file) {
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if (file == null || file.isEmpty()) {
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throw new ServiceException("导入数据不能为空");
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}
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ExcelUtil<ProductionPlanImportDto> excelUtil = new ExcelUtil<>(ProductionPlanImportDto.class);
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List<ProductionPlanImportDto> list;
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try {
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list = excelUtil.importExcel(file.getInputStream());
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} catch (Exception e) {
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throw new ServiceException("Excel解析失败");
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}
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if (list == null || list.isEmpty()) {
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throw new ServiceException("Excel没有数据");
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}
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Set<String> mpsNos = new HashSet<>();
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for (int i = 0; i < list.size(); i++) {
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ProductionPlanImportDto dto = list.get(i);
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String mpsNo = dto.getMpsNo();
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if (StringUtils.isEmpty(mpsNo)) {
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generateNextPlanNo(LocalDate.now().format(DateTimeFormatter.ofPattern("yyyyMMdd")));
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}
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if (!mpsNos.add(mpsNo)) {
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throw new ServiceException("导入失败：Excel 中存在重复的申请单编号 " + mpsNo);
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}
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}
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Long existApplyNoCount = baseMapper.selectCount(Wrappers.<ProductionPlan>lambdaQuery()
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.in(ProductionPlan::getMpsNo, mpsNos));
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if (existApplyNoCount > 0) {
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List<String> existMpsNos = baseMapper.selectList(Wrappers.<ProductionPlan>lambdaQuery()
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.in(ProductionPlan::getMpsNo, mpsNos))
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.stream()
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.map(ProductionPlan::getMpsNo)
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.collect(Collectors.toList());
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throw new ServiceException("导入失败，生产计划号已存在: " + String.join(", ", existMpsNos));
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}
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LocalDateTime now = LocalDateTime.now();
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List<ProductionPlan> entityList = list.stream().map(dto -> {
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ProductionPlan entity = new ProductionPlan();
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BeanUtils.copyProperties(dto, entity);
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entity.setStatus(PLAN_STATUS_WAIT);
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entity.setSource("内部");
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entity.setCreateTime(now);
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entity.setUpdateTime(now);
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return entity;
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}).collect(Collectors.toList());
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this.saveBatch(entityList);
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}
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@Override
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public void exportProdData(HttpServletResponse response, List<Long> ids) {
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List<ProductionPlanDto> list = productionPlanMapper.selectWithMaterialByIds(ids);
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List<ProductionPlanImportDto> exportList = new ArrayList<>();
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for (ProductionPlanDto entity : list) {
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ProductionPlanImportDto dto = new ProductionPlanImportDto();
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BeanUtils.copyProperties(entity, dto);
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exportList.add(dto);
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}
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ExcelUtil<ProductionPlanImportDto> util = new ExcelUtil<>(ProductionPlanImportDto.class);
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util.exportExcel(response, exportList, "主生产计划");
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}
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private BigDecimal resolveRemainingQuantity(ProductionPlan plan) {
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if (plan == null) {
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return BigDecimal.ZERO;
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}
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BigDecimal requiredQuantity = Optional.ofNullable(plan.getQtyRequired()).orElse(BigDecimal.ZERO);
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if (requiredQuantity.compareTo(BigDecimal.ZERO) <= 0) {
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return BigDecimal.ZERO;
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}
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BigDecimal issuedQuantity = Optional.ofNullable(plan.getQuantityIssued()).orElse(BigDecimal.ZERO);
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if (issuedQuantity.compareTo(BigDecimal.ZERO) <= 0) {
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return requiredQuantity;
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}
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if (issuedQuantity.compareTo(requiredQuantity) >= 0) {
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return BigDecimal.ZERO;
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}
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return requiredQuantity.subtract(issuedQuantity);
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}
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private int resolvePlanStatus(BigDecimal requiredQuantity, BigDecimal issuedQuantity) {
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if (requiredQuantity == null || requiredQuantity.compareTo(BigDecimal.ZERO) <= 0) {
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return PLAN_STATUS_WAIT;
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}
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if (issuedQuantity == null || issuedQuantity.compareTo(BigDecimal.ZERO) <= 0) {
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return PLAN_STATUS_WAIT;
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}
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return issuedQuantity.compareTo(requiredQuantity) < 0 ? PLAN_STATUS_PARTIAL : PLAN_STATUS_ISSUED;
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}
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private String formatPlanIds(List<Long> planIds) {
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return planIds.stream()
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.filter(Objects::nonNull)
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.distinct()
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.map(String::valueOf)
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.collect(Collectors.joining(",", "[", "]"));
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}
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private String generateNextPlanNo(String datePrefix) {
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QueryWrapper<ProductionPlan> queryWrapper = new QueryWrapper<>();
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queryWrapper.likeRight("mps_no", "JH" + datePrefix);
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queryWrapper.orderByDesc("mps_no");
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queryWrapper.last("LIMIT 1");
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ProductionPlan latestPlan = productionPlanMapper.selectOne(queryWrapper);
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int sequence = 1;
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if (latestPlan != null && latestPlan.getMpsNo() != null && !latestPlan.getMpsNo().isEmpty()) {
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String sequenceStr = latestPlan.getMpsNo().substring(("JH" + datePrefix).length());
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try {
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sequence = Integer.parseInt(sequenceStr) + 1;
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} catch (NumberFormatException e) {
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sequence = 1;
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}
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}
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return "JH" + datePrefix + String.format("%04d", sequence);
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}
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}
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