package cn.iocoder.yudao.module.erp.service.purchase;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.lang.Assert;
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import cn.iocoder.yudao.framework.common.pojo.PageResult;
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import cn.iocoder.yudao.framework.common.util.number.MoneyUtils;
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import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
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import cn.iocoder.yudao.module.bpm.api.task.BpmProcessInstanceApi;
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import cn.iocoder.yudao.module.bpm.api.task.dto.BpmProcessInstanceCreateReqDTO;
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import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmProcessDefinitionInfoDO;
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import cn.iocoder.yudao.module.bpm.enums.task.BpmTaskStatusEnum;
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import cn.iocoder.yudao.module.bpm.service.definition.BpmCategoryService;
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import cn.iocoder.yudao.module.bpm.service.definition.BpmProcessDefinitionService;
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import cn.iocoder.yudao.module.erp.controller.admin.purchase.vo.order.ErpPurchaseOrderSaveReqVO;
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import cn.iocoder.yudao.module.erp.controller.admin.purchase.vo.request.ErpPurchaseRequestPageReqVO;
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import cn.iocoder.yudao.module.erp.controller.admin.purchase.vo.request.ErpPurchaseRequestSaveReqVO;
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import cn.iocoder.yudao.module.erp.dal.dataobject.purchase.ErpPurchaseRequestDO;
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import cn.iocoder.yudao.module.erp.dal.dataobject.purchase.ErpPurchaseRequestItemDO;
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import cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpPurchaseRequestItemMapper;
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import cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpPurchaseRequestMapper;
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import cn.iocoder.yudao.module.erp.dal.redis.no.ErpNoRedisDAO;
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import cn.iocoder.yudao.module.erp.enums.ErpPurchaseRequestStatusEnum;
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import jakarta.annotation.Resource;
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import lombok.extern.slf4j.Slf4j;
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import org.flowable.engine.repository.ProcessDefinition;
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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.validation.annotation.Validated;
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import java.math.BigDecimal;
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import java.util.*;
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import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
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import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.*;
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import static cn.iocoder.yudao.module.erp.enums.ErrorCodeConstants.*;
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/**
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* ERP 采购申请 Service 实现类
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*
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* @author 芋道源码
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*/
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@Service
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@Validated
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@Slf4j
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public class ErpPurchaseRequestServiceImpl implements ErpPurchaseRequestService {
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/**
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* 采购申请 BPM 分类编码
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*/
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private static final String PURCHASE_REQUEST_APPROVE_CATEGORY_CODE = "purchase_request_approve";
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@Resource
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private ErpPurchaseRequestMapper purchaseRequestMapper;
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@Resource
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private ErpPurchaseRequestItemMapper purchaseRequestItemMapper;
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@Resource
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private ErpNoRedisDAO noRedisDAO;
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@Resource
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private ErpSupplierService supplierService;
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@Resource
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private BpmCategoryService bpmCategoryService;
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@Resource
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private BpmProcessDefinitionService bpmProcessDefinitionService;
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@Resource
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private BpmProcessInstanceApi bpmProcessInstanceApi;
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@Resource
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private ErpPurchaseOrderService purchaseOrderService;
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@Override
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@Transactional(rollbackFor = Exception.class)
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public Long createPurchaseRequest(ErpPurchaseRequestSaveReqVO createReqVO, Long userId, Long deptId) {
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// 1.1 校验订单项的有效性
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List<ErpPurchaseRequestItemDO> purchaseRequestItems = validatePurchaseRequestItems(createReqVO.getItems());
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// 1.2 生成申请单号，并校验唯一性
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String no = noRedisDAO.generate(ErpNoRedisDAO.PURCHASE_REQUEST_NO_PREFIX);
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if (purchaseRequestMapper.selectByNo(no) != null) {
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throw exception(PURCHASE_REQUEST_NO_EXISTS);
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}
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// 日志：检查部门和用户信息
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log.info("[createPurchaseRequest] 创建采购申请，userId={}, deptId={}", userId, deptId);
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// 2.1 插入申请单
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ErpPurchaseRequestDO purchaseRequest = BeanUtils.toBean(createReqVO, ErpPurchaseRequestDO.class, req -> req
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.setNo(no)
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.setStatus(ErpPurchaseRequestStatusEnum.DRAFT.getStatus())
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.setRequestUserId(userId)
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.setRequestDeptId(deptId));
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calculateTotalPrice(purchaseRequest, purchaseRequestItems);
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purchaseRequestMapper.insert(purchaseRequest);
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// 2.2 插入申请明细
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purchaseRequestItems.forEach(o -> o.setRequestId(purchaseRequest.getId()));
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purchaseRequestItemMapper.insertBatch(purchaseRequestItems);
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return purchaseRequest.getId();
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void updatePurchaseRequest(ErpPurchaseRequestSaveReqVO updateReqVO) {
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// 1.1 校验存在
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ErpPurchaseRequestDO purchaseRequest = validatePurchaseRequestExists(updateReqVO.getId());
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// 1.2 校验状态，只有草稿状态才能修改
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if (!ErpPurchaseRequestStatusEnum.DRAFT.getStatus().equals(purchaseRequest.getStatus())) {
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throw exception(PURCHASE_REQUEST_UPDATE_FAIL_NOT_DRAFT, purchaseRequest.getNo());
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}
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// 1.3 校验订单项的有效性
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List<ErpPurchaseRequestItemDO> purchaseRequestItems = validatePurchaseRequestItems(updateReqVO.getItems());
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// 2.1 更新申请单
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ErpPurchaseRequestDO updateObj = BeanUtils.toBean(updateReqVO, ErpPurchaseRequestDO.class);
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calculateTotalPrice(updateObj, purchaseRequestItems);
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purchaseRequestMapper.updateById(updateObj);
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// 2.2 更新申请明细
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updatePurchaseRequestItemList(updateReqVO.getId(), purchaseRequestItems);
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void deletePurchaseRequest(List<Long> ids) {
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// 1. 校验不处于非草稿状态
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List<ErpPurchaseRequestDO> purchaseRequests = purchaseRequestMapper.selectByIds(ids);
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if (CollUtil.isEmpty(purchaseRequests)) {
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return;
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}
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purchaseRequests.forEach(purchaseRequest -> {
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if (!ErpPurchaseRequestStatusEnum.DRAFT.getStatus().equals(purchaseRequest.getStatus())) {
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throw exception(PURCHASE_REQUEST_DELETE_FAIL_NOT_DRAFT, purchaseRequest.getNo());
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}
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});
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// 2. 遍历删除
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purchaseRequests.forEach(purchaseRequest -> {
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// 2.1 删除申请单
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purchaseRequestMapper.deleteById(purchaseRequest.getId());
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// 2.2 删除申请明细
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purchaseRequestItemMapper.deleteByRequestId(purchaseRequest.getId());
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});
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}
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private ErpPurchaseRequestDO validatePurchaseRequestExists(Long id) {
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ErpPurchaseRequestDO purchaseRequest = purchaseRequestMapper.selectById(id);
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if (purchaseRequest == null) {
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throw exception(PURCHASE_REQUEST_NOT_EXISTS);
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}
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return purchaseRequest;
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}
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private List<ErpPurchaseRequestItemDO> validatePurchaseRequestItems(List<ErpPurchaseRequestSaveReqVO.Item> list) {
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// 转化为 ErpPurchaseRequestItemDO 列表（产品验证已移除，使用 MDM 物料）
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return convertList(list, o -> BeanUtils.toBean(o, ErpPurchaseRequestItemDO.class, item -> {
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if (item.getProductPrice() != null && item.getCount() != null) {
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item.setTotalPrice(MoneyUtils.priceMultiply(item.getProductPrice(), item.getCount()));
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if (item.getTaxPercent() != null) {
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item.setTaxPrice(MoneyUtils.priceMultiplyPercent(item.getTotalPrice(), item.getTaxPercent()));
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}
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}
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}));
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}
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private void updatePurchaseRequestItemList(Long id, List<ErpPurchaseRequestItemDO> newList) {
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// 第一步，对比新老数据，获得添加、修改、删除的列表
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List<ErpPurchaseRequestItemDO> oldList = purchaseRequestItemMapper.selectListByRequestId(id);
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List<List<ErpPurchaseRequestItemDO>> diffList = diffList(oldList, newList,
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(oldVal, newVal) -> oldVal.getId().equals(newVal.getId()));
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// 第二步，批量添加、修改、删除
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if (CollUtil.isNotEmpty(diffList.get(0))) {
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diffList.get(0).forEach(o -> o.setRequestId(id));
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purchaseRequestItemMapper.insertBatch(diffList.get(0));
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}
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if (CollUtil.isNotEmpty(diffList.get(1))) {
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purchaseRequestItemMapper.updateBatch(diffList.get(1));
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}
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if (CollUtil.isNotEmpty(diffList.get(2))) {
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purchaseRequestItemMapper.deleteByIds(convertList(diffList.get(2), ErpPurchaseRequestItemDO::getId));
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}
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}
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private void calculateTotalPrice(ErpPurchaseRequestDO purchaseRequest, List<ErpPurchaseRequestItemDO> items) {
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purchaseRequest.setTotalCount(getSumValue(items, ErpPurchaseRequestItemDO::getCount, BigDecimal::add));
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purchaseRequest.setTotalProductPrice(getSumValue(items, ErpPurchaseRequestItemDO::getTotalPrice, BigDecimal::add, BigDecimal.ZERO));
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purchaseRequest.setTotalTaxPrice(getSumValue(items, ErpPurchaseRequestItemDO::getTaxPrice, BigDecimal::add, BigDecimal.ZERO));
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purchaseRequest.setTotalPrice(purchaseRequest.getTotalProductPrice().add(purchaseRequest.getTotalTaxPrice()));
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// 计算优惠价格
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if (purchaseRequest.getDiscountPercent() == null) {
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purchaseRequest.setDiscountPercent(BigDecimal.ZERO);
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}
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purchaseRequest.setDiscountPrice(MoneyUtils.priceMultiplyPercent(purchaseRequest.getTotalPrice(), purchaseRequest.getDiscountPercent()));
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purchaseRequest.setTotalPrice(purchaseRequest.getTotalPrice().subtract(purchaseRequest.getDiscountPrice()));
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}
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@Override
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public ErpPurchaseRequestDO getPurchaseRequest(Long id) {
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return purchaseRequestMapper.selectById(id);
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}
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@Override
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public PageResult<ErpPurchaseRequestDO> getPurchaseRequestPage(ErpPurchaseRequestPageReqVO pageReqVO) {
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return purchaseRequestMapper.selectPage(pageReqVO);
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}
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@Override
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public List<ErpPurchaseRequestItemDO> getPurchaseRequestItemListByRequestId(Long requestId) {
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return purchaseRequestItemMapper.selectListByRequestId(requestId);
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}
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@Override
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public List<ErpPurchaseRequestItemDO> getPurchaseRequestItemListByRequestIds(Collection<Long> requestIds) {
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if (CollUtil.isEmpty(requestIds)) {
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return Collections.emptyList();
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}
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return purchaseRequestItemMapper.selectListByRequestIds(requestIds);
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void submitPurchaseRequest(Long id, String processDefinitionKey, Long userId) {
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// 1. 校验申请单存在且为草稿状态
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ErpPurchaseRequestDO request = validatePurchaseRequestExists(id);
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if (!ErpPurchaseRequestStatusEnum.DRAFT.getStatus().equals(request.getStatus())) {
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throw exception(PURCHASE_REQUEST_SUBMIT_FAIL_NOT_DRAFT);
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}
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// 2. 校验分类和流程定义是否存在
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validatePurchaseRequestApproveCategoryAndProcessDefinition();
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// 3. 校验传入的流程定义 Key 是否属于该分类且处于激活状态
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ProcessDefinition processDefinition = bpmProcessDefinitionService.getActiveProcessDefinition(processDefinitionKey);
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if (processDefinition == null) {
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throw exception(PURCHASE_REQUEST_BPM_PROCESS_DEFINITION_NOT_EXISTS);
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}
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// 4. 创建流程实例（使用用户选择的流程定义 Key）
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String processInstanceId = bpmProcessInstanceApi.createProcessInstance(userId,
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new BpmProcessInstanceCreateReqDTO()
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.setProcessDefinitionKey(processDefinitionKey)
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.setBusinessKey(String.valueOf(id)));
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// 5. 更新申请单状态
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purchaseRequestMapper.updateById(new ErpPurchaseRequestDO()
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.setId(id)
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.setProcessInstanceId(processInstanceId)
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.setStatus(ErpPurchaseRequestStatusEnum.PROCESS.getStatus()));
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}
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/**
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* 校验 BPM 采购申请审批分类和流程定义是否存在
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*/
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private void validatePurchaseRequestApproveCategoryAndProcessDefinition() {
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// 1. 校验分类是否存在
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List<String> codes = Collections.singletonList(PURCHASE_REQUEST_APPROVE_CATEGORY_CODE);
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Map<String, ?> categoryMap = bpmCategoryService.getCategoryMap(codes);
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if (!categoryMap.containsKey(PURCHASE_REQUEST_APPROVE_CATEGORY_CODE)) {
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throw exception(PURCHASE_REQUEST_BPM_CATEGORY_NOT_EXISTS);
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}
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// 2. 校验分类下是否有可用的流程定义
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List<BpmProcessDefinitionInfoDO> definitionInfoList = bpmProcessDefinitionService
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.getProcessDefinitionInfoListByCategory(PURCHASE_REQUEST_APPROVE_CATEGORY_CODE);
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if (CollUtil.isEmpty(definitionInfoList)) {
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throw exception(PURCHASE_REQUEST_BPM_PROCESS_DEFINITION_NOT_EXISTS);
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}
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// 3. 校验是否有激活状态的流程定义
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Set<String> processDefinitionIds = convertSet(definitionInfoList, BpmProcessDefinitionInfoDO::getProcessDefinitionId);
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List<ProcessDefinition> processDefinitions = bpmProcessDefinitionService.getProcessDefinitionList(processDefinitionIds);
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boolean hasActiveDefinition = processDefinitions.stream()
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.anyMatch(pd -> !pd.isSuspended());
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if (!hasActiveDefinition) {
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throw exception(PURCHASE_REQUEST_BPM_PROCESS_DEFINITION_NOT_EXISTS);
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}
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}
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@Override
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public void updatePurchaseRequestAuditStatus(Long id, Integer bpmResult) {
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// 1. 校验申请单存在且为审批中状态
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ErpPurchaseRequestDO request = validatePurchaseRequestExists(id);
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if (!ErpPurchaseRequestStatusEnum.PROCESS.getStatus().equals(request.getStatus())) {
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log.error("[updatePurchaseRequestAuditStatus] 申请单({}) 不处于审批中", id);
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throw exception(PURCHASE_REQUEST_UPDATE_AUDIT_STATUS_FAIL_NOT_PROCESS);
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}
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// 2. 转换审批结果
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Integer auditStatus = convertBpmResultToAuditStatus(bpmResult);
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purchaseRequestMapper.updateById(new ErpPurchaseRequestDO()
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.setId(id)
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.setStatus(auditStatus));
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}
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/**
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* BPM 审批结果转换
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*/
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private Integer convertBpmResultToAuditStatus(Integer bpmResult) {
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Integer auditStatus = BpmTaskStatusEnum.APPROVE.getStatus().equals(bpmResult)
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? ErpPurchaseRequestStatusEnum.APPROVE.getStatus()
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: BpmTaskStatusEnum.REJECT.getStatus().equals(bpmResult)
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? ErpPurchaseRequestStatusEnum.REJECT.getStatus()
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: BpmTaskStatusEnum.CANCEL.getStatus().equals(bpmResult)
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? ErpPurchaseRequestStatusEnum.CANCEL.getStatus() : null;
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Assert.notNull(auditStatus, "BPM 审批结果({}) 转换失败", bpmResult);
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return auditStatus;
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public Long generatePurchaseOrder(Long id, Long supplierId, Long userId) {
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// 1. 校验申请单存在且已审批通过
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ErpPurchaseRequestDO request = validatePurchaseRequestExists(id);
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if (!ErpPurchaseRequestStatusEnum.APPROVE.getStatus().equals(request.getStatus())) {
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throw exception(PURCHASE_REQUEST_NOT_APPROVE);
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}
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// 校验是否已生成采购订单
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if (request.getOrderId() != null) {
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throw exception(PURCHASE_REQUEST_ORDER_EXISTS);
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}
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// 2. 校验供应商
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supplierService.validateSupplier(supplierId);
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// 3. 获取申请明细
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List<ErpPurchaseRequestItemDO> requestItems = purchaseRequestItemMapper.selectListByRequestId(id);
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// 4. 构建采购订单 VO
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ErpPurchaseOrderSaveReqVO orderVO = new ErpPurchaseOrderSaveReqVO();
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orderVO.setSupplierId(supplierId);
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orderVO.setOrderTime(java.time.LocalDateTime.now());
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orderVO.setRemark("由采购申请单[" + request.getNo() + "]生成");
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// 转换明细项
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orderVO.setItems(convertList(requestItems, item -> {
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ErpPurchaseOrderSaveReqVO.Item orderItem = new ErpPurchaseOrderSaveReqVO.Item();
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orderItem.setProductId(item.getProductId());
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orderItem.setProductUnitId(item.getProductUnitId());
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orderItem.setProductPrice(item.getProductPrice());
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orderItem.setCount(item.getCount());
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orderItem.setTaxPercent(item.getTaxPercent());
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orderItem.setRemark(item.getRemark());
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return orderItem;
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}));
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// 5. 创建采购订单
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Long orderId = purchaseOrderService.createPurchaseOrder(orderVO);
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// 6. 更新申请单关联信息
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purchaseRequestMapper.updateById(new ErpPurchaseRequestDO()
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.setId(id)
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.setOrderId(orderId)
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.setOrderTime(java.time.LocalDateTime.now()));
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return orderId;
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}
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@Override
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public List<Map<String, Object>> getPurchaseRequestApproveProcessDefinitionList() {
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// 1. 校验分类和流程定义是否存在
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validatePurchaseRequestApproveCategoryAndProcessDefinition();
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// 2. 获取分类下的流程定义信息
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List<BpmProcessDefinitionInfoDO> definitionInfoList = bpmProcessDefinitionService
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.getProcessDefinitionInfoListByCategory(PURCHASE_REQUEST_APPROVE_CATEGORY_CODE);
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// 3. 获取流程定义详情
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Set<String> processDefinitionIds = convertSet(definitionInfoList, BpmProcessDefinitionInfoDO::getProcessDefinitionId);
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List<ProcessDefinition> processDefinitions = bpmProcessDefinitionService.getProcessDefinitionList(processDefinitionIds);
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// 4. 过滤：只保留激活状态，且相同 key 只保留最新版本
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Map<String, ProcessDefinition> latestVersionMap = new HashMap<>();
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for (ProcessDefinition pd : processDefinitions) {
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if (pd.isSuspended()) {
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continue; // 跳过挂起的流程
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}
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ProcessDefinition existing = latestVersionMap.get(pd.getKey());
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if (existing == null || pd.getVersion() > existing.getVersion()) {
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latestVersionMap.put(pd.getKey(), pd);
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}
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}
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// 5. 返回流程定义列表
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List<Map<String, Object>> result = new ArrayList<>();
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for (ProcessDefinition pd : latestVersionMap.values()) {
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Map<String, Object> item = new HashMap<>();
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item.put("id", pd.getId());
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item.put("key", pd.getKey());
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item.put("name", pd.getName());
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item.put("version", pd.getVersion());
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result.add(item);
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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 updatePurchaseRequestInStatus(Long id, Integer inStatus) {
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purchaseRequestMapper.updateById(new ErpPurchaseRequestDO()
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.setId(id)
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.setInStatus(inStatus));
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}
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}
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