云
2026-10-25 d54fbc9d4f8981fa0f7f613b33a28a8cd4f764ea
yudao-module-erp/src/main/java/cn/iocoder/yudao/module/erp/service/purchase/ErpPurchaseRequestServiceImpl.java
@@ -1,30 +1,43 @@
package cn.iocoder.yudao.module.erp.service.purchase;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.lang.Assert;
import cn.hutool.core.util.StrUtil;
import cn.iocoder.yudao.framework.common.exception.ServiceException;
import cn.iocoder.yudao.framework.common.pojo.PageResult;
import cn.iocoder.yudao.framework.common.util.number.MoneyUtils;
import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
import cn.iocoder.yudao.module.bpm.api.task.BpmProcessInstanceApi;
import cn.iocoder.yudao.module.bpm.api.task.dto.BpmProcessInstanceCreateReqDTO;
import cn.iocoder.yudao.module.bpm.dal.dataobject.definition.BpmProcessDefinitionInfoDO;
import cn.iocoder.yudao.module.bpm.enums.task.BpmTaskStatusEnum;
import cn.iocoder.yudao.module.bpm.service.definition.BpmCategoryService;
import cn.iocoder.yudao.module.bpm.service.definition.BpmProcessDefinitionService;
import cn.iocoder.yudao.module.erp.controller.admin.purchase.vo.order.ErpPurchaseOrderSaveReqVO;
import cn.iocoder.yudao.module.erp.controller.admin.purchase.vo.request.ErpPurchaseRequestImportExcelVO;
import cn.iocoder.yudao.module.erp.controller.admin.purchase.vo.request.ErpPurchaseRequestImportReqVO;
import cn.iocoder.yudao.module.erp.controller.admin.purchase.vo.request.ErpPurchaseRequestImportRespVO;
import cn.iocoder.yudao.module.erp.controller.admin.purchase.vo.request.ErpPurchaseRequestPageReqVO;
import cn.iocoder.yudao.module.erp.controller.admin.purchase.vo.request.ErpPurchaseRequestSaveReqVO;
import cn.iocoder.yudao.module.erp.dal.dataobject.product.ErpProductDO;
import cn.iocoder.yudao.module.erp.dal.dataobject.purchase.ErpPurchaseOrderDO;
import cn.iocoder.yudao.module.erp.dal.dataobject.purchase.ErpPurchaseOrderItemDO;
import cn.iocoder.yudao.module.erp.dal.dataobject.purchase.ErpPurchaseRequestDO;
import cn.iocoder.yudao.module.erp.dal.dataobject.purchase.ErpPurchaseRequestItemDO;
import cn.iocoder.yudao.module.erp.dal.dataobject.purchase.ErpSupplierDO;
import cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpPurchaseOrderItemMapper;
import cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpPurchaseOrderMapper;
import cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpPurchaseRequestItemMapper;
import cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpPurchaseRequestMapper;
import cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpSupplierMapper;
import cn.iocoder.yudao.module.erp.dal.redis.no.ErpNoRedisDAO;
import cn.iocoder.yudao.module.erp.enums.ErpPurchaseOrderStatusEnum;
import cn.iocoder.yudao.module.erp.enums.ErpPurchaseRequestStatusEnum;
import cn.iocoder.yudao.module.erp.service.product.ErpProductService;
import cn.iocoder.yudao.module.mdm.api.item.MdmItemApi;
import cn.iocoder.yudao.module.mdm.api.item.dto.MdmItemRespDTO;
import cn.iocoder.yudao.module.mdm.api.unit.MdmUnitMeasureApi;
import cn.iocoder.yudao.module.mdm.api.unit.dto.MdmUnitMeasureRespDTO;
import cn.iocoder.yudao.module.system.api.approval.ApprovalConfigApi;
import cn.iocoder.yudao.module.system.api.dept.DeptApi;
import cn.iocoder.yudao.module.system.api.storage.StorageAttachmentApi;
import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO;
import jakarta.annotation.Resource;
import lombok.extern.slf4j.Slf4j;
import org.flowable.engine.repository.ProcessDefinition;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.validation.annotation.Validated;
@@ -34,12 +47,11 @@
import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.*;
import static cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils.getLoginUserId;
import static cn.iocoder.yudao.module.erp.enums.ErrorCodeConstants.*;
/**
 * ERP 采购申请 Service 实现类
 *
 * @author 芋道源码
 */
@Service
@Validated
@@ -47,9 +59,14 @@
public class ErpPurchaseRequestServiceImpl implements ErpPurchaseRequestService {
    /**
     * 采购申请 BPM 分类编码
     * 通用审批配置的业务类型编码(对应 system_approval_config.biz_type)
     */
    private static final String PURCHASE_REQUEST_APPROVE_CATEGORY_CODE = "purchase_request_approve";
    private static final String PURCHASE_REQUEST_APPROVE_BIZ_TYPE = "purchase_request_approve";
    /**
     * 采购申请审批的 BPM 流程定义 Key
     */
    private static final String PURCHASE_REQUEST_PROCESS_KEY = "purchase_request_approve";
    @Resource
    private ErpPurchaseRequestMapper purchaseRequestMapper;
@@ -57,110 +74,123 @@
    private ErpPurchaseRequestItemMapper purchaseRequestItemMapper;
    @Resource
    private ErpNoRedisDAO noRedisDAO;
    private ErpPurchaseOrderMapper purchaseOrderMapper;
    @Resource
    private ErpPurchaseOrderItemMapper purchaseOrderItemMapper;
    @Resource
    private ErpProductService productService;
    private ErpNoRedisDAO noRedisDAO;
    @Resource
    private ErpSupplierService supplierService;
    @Resource
    private BpmCategoryService bpmCategoryService;
    private ErpSupplierMapper supplierMapper;
    @Resource
    private BpmProcessDefinitionService bpmProcessDefinitionService;
    private MdmItemApi mdmItemApi;
    @Resource
    private MdmUnitMeasureApi mdmUnitMeasureApi;
    @Resource
    private ApprovalConfigApi approvalConfigApi;
    @Resource
    private BpmProcessInstanceApi bpmProcessInstanceApi;
    @Resource
    private ErpPurchaseOrderService purchaseOrderService;
    private AdminUserApi adminUserApi;
    @Resource
    private DeptApi deptApi;
    @Resource
    private StorageAttachmentApi storageAttachmentApi;
    @Override
    @Transactional(rollbackFor = Exception.class)
    public Long createPurchaseRequest(ErpPurchaseRequestSaveReqVO createReqVO, Long userId, Long deptId) {
        // 1.1 校验订单项的有效性
        List<ErpPurchaseRequestItemDO> purchaseRequestItems = validatePurchaseRequestItems(createReqVO.getItems());
        // 1.2 生成申请单号,并校验唯一性
    public Long createPurchaseRequest(ErpPurchaseRequestSaveReqVO createReqVO) {
        // 1. 校验订单项的有效性
        List<ErpPurchaseRequestItemDO> requestItems = validatePurchaseRequestItems(createReqVO.getItems());
        // 2. 校验供应商(如果指定)
        if (createReqVO.getSupplierId() != null) {
            supplierService.validateSupplier(createReqVO.getSupplierId());
        }
        // 3. 生成申请单号
        String no = noRedisDAO.generate(ErpNoRedisDAO.PURCHASE_REQUEST_NO_PREFIX);
        if (purchaseRequestMapper.selectByNo(no) != null) {
            throw exception(PURCHASE_REQUEST_NO_EXISTS);
        }
        // 日志:检查部门和用户信息
        log.info("[createPurchaseRequest] 创建采购申请,userId={}, deptId={}", userId, deptId);
        // 4. 获取当前用户信息
        Long userId = Long.parseLong(getCurrentUserId());
        AdminUserRespDTO user = adminUserApi.getUser(userId);
        Long deptId = user != null ? user.getDeptId() : null;
        // 2.1 插入申请单
        // 5. 插入申请单
        ErpPurchaseRequestDO purchaseRequest = BeanUtils.toBean(createReqVO, ErpPurchaseRequestDO.class, req -> req
                .setNo(no)
                .setStatus(ErpPurchaseRequestStatusEnum.DRAFT.getStatus())
                .setRequestUserId(userId)
                .setRequestDeptId(deptId));
        calculateTotalPrice(purchaseRequest, purchaseRequestItems);
        // 兼容旧客户端未传定金的情况,数据库与业务层统一按 0 处理
        if (purchaseRequest.getDepositPrice() == null) {
            purchaseRequest.setDepositPrice(BigDecimal.ZERO);
        }
        calculateTotalPrice(purchaseRequest, requestItems);
        purchaseRequestMapper.insert(purchaseRequest);
        // 2.2 插入申请明细
        purchaseRequestItems.forEach(o -> o.setRequestId(purchaseRequest.getId()));
        purchaseRequestItemMapper.insertBatch(purchaseRequestItems);
        // 6. 绑定附件
        storageAttachmentApi.bindAttachments("file", "erp_purchase_request",
                purchaseRequest.getId(), createReqVO.getBlobIds());
        // 7. 插入申请明细
        requestItems.forEach(o -> o.setRequestId(purchaseRequest.getId()));
        purchaseRequestItemMapper.insertBatch(requestItems);
        return purchaseRequest.getId();
    }
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void updatePurchaseRequest(ErpPurchaseRequestSaveReqVO updateReqVO) {
        // 1.1 校验存在
        ErpPurchaseRequestDO purchaseRequest = validatePurchaseRequestExists(updateReqVO.getId());
        // 1.2 校验状态,只有草稿状态才能修改
        if (!ErpPurchaseRequestStatusEnum.DRAFT.getStatus().equals(purchaseRequest.getStatus())) {
            throw exception(PURCHASE_REQUEST_UPDATE_FAIL_NOT_DRAFT, purchaseRequest.getNo());
        // 1. 校验存在 + 草稿状态
        ErpPurchaseRequestDO purchaseRequest = validatePurchaseRequestCanModify(updateReqVO.getId());
        // 2. 校验供应商(如果指定)
        if (updateReqVO.getSupplierId() != null) {
            supplierService.validateSupplier(updateReqVO.getSupplierId());
        }
        // 1.3 校验订单项的有效性
        List<ErpPurchaseRequestItemDO> purchaseRequestItems = validatePurchaseRequestItems(updateReqVO.getItems());
        // 3. 校验订单项的有效性
        List<ErpPurchaseRequestItemDO> requestItems = validatePurchaseRequestItems(updateReqVO.getItems());
        // 2.1 更新申请单
        // 4. 更新申请单
        ErpPurchaseRequestDO updateObj = BeanUtils.toBean(updateReqVO, ErpPurchaseRequestDO.class);
        calculateTotalPrice(updateObj, purchaseRequestItems);
        if (updateObj.getDepositPrice() == null) {
            updateObj.setDepositPrice(BigDecimal.ZERO);
        }
        calculateTotalPrice(updateObj, requestItems);
        purchaseRequestMapper.updateById(updateObj);
        // 2.2 更新申请明细
        updatePurchaseRequestItemList(updateReqVO.getId(), purchaseRequestItems);
        // 5. 更新申请明细
        updatePurchaseRequestItemList(updateReqVO.getId(), requestItems);
        // 6. 更新附件
        storageAttachmentApi.updateAttachments("file", "erp_purchase_request", updateReqVO.getId(), updateReqVO.getBlobIds());
    }
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void deletePurchaseRequest(List<Long> ids) {
        // 1. 校验不处于非草稿状态
        List<ErpPurchaseRequestDO> purchaseRequests = purchaseRequestMapper.selectByIds(ids);
        if (CollUtil.isEmpty(purchaseRequests)) {
            return;
    private void calculateTotalPrice(ErpPurchaseRequestDO purchaseRequest, List<ErpPurchaseRequestItemDO> requestItems) {
        purchaseRequest.setTotalCount(getSumValue(requestItems, ErpPurchaseRequestItemDO::getCount, BigDecimal::add));
        purchaseRequest.setTotalProductPrice(getSumValue(requestItems, ErpPurchaseRequestItemDO::getTotalPrice, BigDecimal::add, BigDecimal.ZERO));
        purchaseRequest.setTotalTaxPrice(getSumValue(requestItems, ErpPurchaseRequestItemDO::getTaxPrice, BigDecimal::add, BigDecimal.ZERO));
        purchaseRequest.setTotalPrice(purchaseRequest.getTotalProductPrice().add(purchaseRequest.getTotalTaxPrice()));
        // 计算优惠价格
        if (purchaseRequest.getDiscountPercent() == null) {
            purchaseRequest.setDiscountPercent(BigDecimal.ZERO);
        }
        purchaseRequests.forEach(purchaseRequest -> {
            if (!ErpPurchaseRequestStatusEnum.DRAFT.getStatus().equals(purchaseRequest.getStatus())) {
                throw exception(PURCHASE_REQUEST_DELETE_FAIL_NOT_DRAFT, purchaseRequest.getNo());
            }
        });
        // 2. 遍历删除
        purchaseRequests.forEach(purchaseRequest -> {
            // 2.1 删除申请单
            purchaseRequestMapper.deleteById(purchaseRequest.getId());
            // 2.2 删除申请明细
            purchaseRequestItemMapper.deleteByRequestId(purchaseRequest.getId());
        });
    }
    private ErpPurchaseRequestDO validatePurchaseRequestExists(Long id) {
        ErpPurchaseRequestDO purchaseRequest = purchaseRequestMapper.selectById(id);
        if (purchaseRequest == null) {
            throw exception(PURCHASE_REQUEST_NOT_EXISTS);
        }
        return purchaseRequest;
        purchaseRequest.setDiscountPrice(MoneyUtils.priceMultiplyPercent(purchaseRequest.getTotalPrice(), purchaseRequest.getDiscountPercent()));
        purchaseRequest.setTotalPrice(purchaseRequest.getTotalPrice().subtract(purchaseRequest.getDiscountPrice()));
    }
    private List<ErpPurchaseRequestItemDO> validatePurchaseRequestItems(List<ErpPurchaseRequestSaveReqVO.Item> list) {
        // 1. 校验产品存在
        List<ErpProductDO> productList = productService.validProductList(
                convertSet(list, ErpPurchaseRequestSaveReqVO.Item::getProductId));
        Map<Long, ErpProductDO> productMap = convertMap(productList, ErpProductDO::getId);
        // 2. 转化为 ErpPurchaseRequestItemDO 列表
        return convertList(list, o -> BeanUtils.toBean(o, ErpPurchaseRequestItemDO.class, item -> {
            item.setProductUnitId(productMap.get(item.getProductId()).getUnitId());
            if (item.getProductPrice() != null && item.getCount() != null) {
                item.setTotalPrice(MoneyUtils.priceMultiply(item.getProductPrice(), item.getCount()));
                if (item.getTaxPercent() != null) {
@@ -171,12 +201,10 @@
    }
    private void updatePurchaseRequestItemList(Long id, List<ErpPurchaseRequestItemDO> newList) {
        // 第一步,对比新老数据,获得添加、修改、删除的列表
        List<ErpPurchaseRequestItemDO> oldList = purchaseRequestItemMapper.selectListByRequestId(id);
        List<List<ErpPurchaseRequestItemDO>> diffList = diffList(oldList, newList,
                (oldVal, newVal) -> oldVal.getId().equals(newVal.getId()));
        // 第二步,批量添加、修改、删除
        if (CollUtil.isNotEmpty(diffList.get(0))) {
            diffList.get(0).forEach(o -> o.setRequestId(id));
            purchaseRequestItemMapper.insertBatch(diffList.get(0));
@@ -189,17 +217,26 @@
        }
    }
    private void calculateTotalPrice(ErpPurchaseRequestDO purchaseRequest, List<ErpPurchaseRequestItemDO> items) {
        purchaseRequest.setTotalCount(getSumValue(items, ErpPurchaseRequestItemDO::getCount, BigDecimal::add));
        purchaseRequest.setTotalProductPrice(getSumValue(items, ErpPurchaseRequestItemDO::getTotalPrice, BigDecimal::add, BigDecimal.ZERO));
        purchaseRequest.setTotalTaxPrice(getSumValue(items, ErpPurchaseRequestItemDO::getTaxPrice, BigDecimal::add, BigDecimal.ZERO));
        purchaseRequest.setTotalPrice(purchaseRequest.getTotalProductPrice().add(purchaseRequest.getTotalTaxPrice()));
        // 计算优惠价格
        if (purchaseRequest.getDiscountPercent() == null) {
            purchaseRequest.setDiscountPercent(BigDecimal.ZERO);
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void deletePurchaseRequest(List<Long> ids) {
        List<ErpPurchaseRequestDO> purchaseRequests = purchaseRequestMapper.selectRequestListByIds(ids);
        if (CollUtil.isEmpty(purchaseRequests)) {
            return;
        }
        purchaseRequest.setDiscountPrice(MoneyUtils.priceMultiplyPercent(purchaseRequest.getTotalPrice(), purchaseRequest.getDiscountPercent()));
        purchaseRequest.setTotalPrice(purchaseRequest.getTotalPrice().subtract(purchaseRequest.getDiscountPrice()));
        purchaseRequests.forEach(purchaseRequest -> {
            Integer status = purchaseRequest.getStatus();
            if (!ErpPurchaseRequestStatusEnum.DRAFT.getStatus().equals(status)
                    && !ErpPurchaseRequestStatusEnum.REJECT.getStatus().equals(status)) {
                throw exception(PURCHASE_REQUEST_DELETE_FAIL_NOT_DRAFT, purchaseRequest.getNo());
            }
        });
        purchaseRequests.forEach(purchaseRequest -> {
            storageAttachmentApi.deleteAttachmentsByRecord("erp_purchase_request", purchaseRequest.getId());
            purchaseRequestMapper.deleteById(purchaseRequest.getId());
            purchaseRequestItemMapper.deleteByRequestId(purchaseRequest.getId());
        });
    }
    @Override
@@ -226,178 +263,353 @@
    }
    @Override
    public List<ErpPurchaseRequestDO> getPurchaseRequestList(List<Long> ids) {
        if (CollUtil.isEmpty(ids)) {
            return Collections.emptyList();
        }
        return purchaseRequestMapper.selectRequestListByIds(ids);
    }
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void submitPurchaseRequest(Long id, String processDefinitionKey, Long userId) {
        // 1. 校验申请单存在且为草稿状态
        ErpPurchaseRequestDO request = validatePurchaseRequestExists(id);
        if (!ErpPurchaseRequestStatusEnum.DRAFT.getStatus().equals(request.getStatus())) {
            throw exception(PURCHASE_REQUEST_SUBMIT_FAIL_NOT_DRAFT);
    public void submitPurchaseRequest(Long id) {
        // 1. 校验存在 + 可提交状态(未提交 / 审核不通过)
        ErpPurchaseRequestDO purchaseRequest = validatePurchaseRequestExists(id);
        if (!ErpPurchaseRequestStatusEnum.DRAFT.getStatus().equals(purchaseRequest.getStatus())
                && !ErpPurchaseRequestStatusEnum.REJECT.getStatus().equals(purchaseRequest.getStatus())) {
            throw exception(PURCHASE_REQUEST_SUBMIT_FAIL_NOT_ALLOWED);
        }
        // 2. 校验分类和流程定义是否存在
        validatePurchaseRequestApproveCategoryAndProcessDefinition();
        // 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
        ProcessDefinition processDefinition = bpmProcessDefinitionService.getActiveProcessDefinition(processDefinitionKey);
        if (processDefinition == null) {
            throw exception(PURCHASE_REQUEST_BPM_PROCESS_DEFINITION_NOT_EXISTS);
        // 2. 校验是否有明细
        List<ErpPurchaseRequestItemDO> items = purchaseRequestItemMapper.selectListByRequestId(id);
        if (CollUtil.isEmpty(items)) {
            throw exception(PURCHASE_REQUEST_ITEM_EMPTY);
        }
        // 4. 创建流程实例(使用用户选择的流程定义 Key)
        String processInstanceId = bpmProcessInstanceApi.createProcessInstance(userId,
        // 3. 校验审批配置已启用且配置了有效审批人
        approvalConfigApi.validateApprovalEnabledAndGetApprovers(PURCHASE_REQUEST_APPROVE_BIZ_TYPE);
        // 4. 状态置为审批中,并清空上一轮审核结果
        if (purchaseRequestMapper.submitAndResetAuditInfo(id, ErpPurchaseRequestStatusEnum.PROCESS.getStatus()) != 1) {
            throw exception(PURCHASE_REQUEST_SUBMIT_FAIL_NOT_ALLOWED);
        }
        // 5. 创建 BPM 流程实例,使审批出现在「协同办公 - 我的流程」
        bpmProcessInstanceApi.createProcessInstance(getLoginUserId(),
                new BpmProcessInstanceCreateReqDTO()
                        .setProcessDefinitionKey(processDefinitionKey)
                        .setProcessDefinitionKey(PURCHASE_REQUEST_PROCESS_KEY)
                        .setBusinessKey(String.valueOf(id)));
        // 5. 更新申请单状态
        purchaseRequestMapper.updateById(new ErpPurchaseRequestDO()
                .setId(id)
                .setProcessInstanceId(processInstanceId)
                .setStatus(ErpPurchaseRequestStatusEnum.PROCESS.getStatus()));
    }
    /**
     * 校验 BPM 采购申请审批分类和流程定义是否存在
     */
    private void validatePurchaseRequestApproveCategoryAndProcessDefinition() {
        // 1. 校验分类是否存在
        List<String> codes = Collections.singletonList(PURCHASE_REQUEST_APPROVE_CATEGORY_CODE);
        Map<String, ?> categoryMap = bpmCategoryService.getCategoryMap(codes);
        if (!categoryMap.containsKey(PURCHASE_REQUEST_APPROVE_CATEGORY_CODE)) {
            throw exception(PURCHASE_REQUEST_BPM_CATEGORY_NOT_EXISTS);
        }
        // 2. 校验分类下是否有可用的流程定义
        List<BpmProcessDefinitionInfoDO> definitionInfoList = bpmProcessDefinitionService
                .getProcessDefinitionInfoListByCategory(PURCHASE_REQUEST_APPROVE_CATEGORY_CODE);
        if (CollUtil.isEmpty(definitionInfoList)) {
            throw exception(PURCHASE_REQUEST_BPM_PROCESS_DEFINITION_NOT_EXISTS);
        }
        // 3. 校验是否有激活状态的流程定义
        Set<String> processDefinitionIds = convertSet(definitionInfoList, BpmProcessDefinitionInfoDO::getProcessDefinitionId);
        List<ProcessDefinition> processDefinitions = bpmProcessDefinitionService.getProcessDefinitionList(processDefinitionIds);
        boolean hasActiveDefinition = processDefinitions.stream()
                .anyMatch(pd -> !pd.isSuspended());
        if (!hasActiveDefinition) {
            throw exception(PURCHASE_REQUEST_BPM_PROCESS_DEFINITION_NOT_EXISTS);
        }
    }
    @Override
    public void updatePurchaseRequestAuditStatus(Long id, Integer bpmResult) {
        // 1. 校验申请单存在且为审批中状态
        ErpPurchaseRequestDO request = validatePurchaseRequestExists(id);
        if (!ErpPurchaseRequestStatusEnum.PROCESS.getStatus().equals(request.getStatus())) {
            log.error("[updatePurchaseRequestAuditStatus] 申请单({}) 不处于审批中", id);
            throw exception(PURCHASE_REQUEST_UPDATE_AUDIT_STATUS_FAIL_NOT_PROCESS);
        }
        // 2. 转换审批结果
        Integer auditStatus = convertBpmResultToAuditStatus(bpmResult);
        purchaseRequestMapper.updateById(new ErpPurchaseRequestDO()
                .setId(id)
                .setStatus(auditStatus));
    }
    /**
     * BPM 审批结果转换
     */
    private Integer convertBpmResultToAuditStatus(Integer bpmResult) {
        Integer auditStatus = BpmTaskStatusEnum.APPROVE.getStatus().equals(bpmResult)
                ? ErpPurchaseRequestStatusEnum.APPROVE.getStatus()
                : BpmTaskStatusEnum.REJECT.getStatus().equals(bpmResult)
                ? ErpPurchaseRequestStatusEnum.REJECT.getStatus()
                : BpmTaskStatusEnum.CANCEL.getStatus().equals(bpmResult)
                ? ErpPurchaseRequestStatusEnum.CANCEL.getStatus() : null;
        Assert.notNull(auditStatus, "BPM 审批结果({}) 转换失败", bpmResult);
        return auditStatus;
    public Set<Long> getPurchaseRequestApproverUserIds() {
        return approvalConfigApi.getApproverUserIds(PURCHASE_REQUEST_APPROVE_BIZ_TYPE);
    }
    @Override
    @Transactional(rollbackFor = Exception.class)
    public Long generatePurchaseOrder(Long id, Long supplierId, Long userId) {
        // 1. 校验申请单存在且已审批通过
        ErpPurchaseRequestDO request = validatePurchaseRequestExists(id);
        if (!ErpPurchaseRequestStatusEnum.APPROVE.getStatus().equals(request.getStatus())) {
    public void auditPurchaseRequest(Long id, Boolean pass, String reviewRemark) {
        // 1. 校验存在
        ErpPurchaseRequestDO purchaseRequest = validatePurchaseRequestExists(id);
        // 2. 校验处于审批中状态
        if (!ErpPurchaseRequestStatusEnum.PROCESS.getStatus().equals(purchaseRequest.getStatus())) {
            throw exception(PURCHASE_REQUEST_AUDIT_FAIL_NOT_PROCESS);
        }
        // 3. 校验当前登录用户是该业务类型的审批人(或签:任一人均可审核)
        Long userId = getLoginUserId();
        approvalConfigApi.validateApprover(PURCHASE_REQUEST_APPROVE_BIZ_TYPE, userId);
        // 4. 审核不通过:必须填写原因,退回申请人修改后可重新提交
        if (!Boolean.TRUE.equals(pass)) {
            if (StrUtil.isBlank(reviewRemark)) {
                throw exception(PURCHASE_REQUEST_AUDIT_REJECT_REASON_REQUIRED);
            }
            if (purchaseRequestMapper.auditPurchaseRequest(id, ErpPurchaseRequestStatusEnum.REJECT.getStatus(),
                    userId, getUserNickname(userId), reviewRemark) != 1) {
                throw exception(PURCHASE_REQUEST_AUDIT_FAIL_NOT_PROCESS);
            }
            return;
        }
        // 5. 审核通过:记录审核人与审核意见
        if (purchaseRequestMapper.auditPurchaseRequest(id, ErpPurchaseRequestStatusEnum.APPROVE.getStatus(),
                userId, getUserNickname(userId), reviewRemark) != 1) {
            throw exception(PURCHASE_REQUEST_AUDIT_FAIL_NOT_PROCESS);
        }
        // 6. 审核通过且有供应商、未生成订单时,自动生成采购订单
        if (purchaseRequest.getSupplierId() != null && purchaseRequest.getOrderId() == null) {
            try {
                Long orderId = doGeneratePurchaseOrder(purchaseRequest);
                log.info("[auditPurchaseRequest] 采购申请({}) 自动生成采购订单({})", id, orderId);
            } catch (Exception e) {
                // 不抛出异常,避免影响审核结果落库;生成失败可由用户手动触发
                log.error("[auditPurchaseRequest] 采购申请({}) 自动生成采购订单失败", id, e);
            }
        }
    }
    /**
     * 获取用户昵称
     *
     * @param userId 用户编号
     * @return 昵称,用户不存在时返回 null
     */
    private String getUserNickname(Long userId) {
        if (userId == null) {
            return null;
        }
        AdminUserRespDTO user = adminUserApi.getUser(userId);
        return user == null ? null : user.getNickname();
    }
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void updatePurchaseRequestAuditStatus(Long id, Integer bpmStatus, String reason) {
        // 1. BPM 审批结果映射为采购申请状态:通过=20 / 不通过=30 / 取消=40
        Integer newStatus = convertBpmResultToStatus(bpmStatus);
        if (newStatus == null) {
            return;
        }
        // 2. 仅当仍处于「审批中」时回写,避免重复覆盖
        if (purchaseRequestMapper.updateAuditStatusByBpm(id, newStatus, reason) != 1) {
            log.warn("[updatePurchaseRequestAuditStatus] 采购申请({}) 不处于审批中状态,忽略 BPM 结果({})", id, bpmStatus);
            return;
        }
        // 3. 审批通过且有供应商、未生成订单时,自动生成采购订单
        if (!ErpPurchaseRequestStatusEnum.APPROVE.getStatus().equals(newStatus)) {
            return;
        }
        ErpPurchaseRequestDO purchaseRequest = purchaseRequestMapper.selectById(id);
        if (purchaseRequest == null || purchaseRequest.getSupplierId() == null
                || purchaseRequest.getOrderId() != null) {
            return;
        }
        try {
            Long orderId = doGeneratePurchaseOrder(purchaseRequest);
            log.info("[updatePurchaseRequestAuditStatus] 采购申请({}) 自动生成采购订单({})", id, orderId);
        } catch (Exception e) {
            // 不抛出异常,避免影响审批结果落库;生成失败可由用户手动触发
            log.error("[updatePurchaseRequestAuditStatus] 采购申请({}) 自动生成采购订单失败", id, e);
        }
    }
    /**
     * 转换 BPM 审批结果为采购申请状态
     */
    private Integer convertBpmResultToStatus(Integer bpmStatus) {
        if (BpmTaskStatusEnum.APPROVE.getStatus().equals(bpmStatus)) {
            return ErpPurchaseRequestStatusEnum.APPROVE.getStatus();
        }
        if (BpmTaskStatusEnum.REJECT.getStatus().equals(bpmStatus)) {
            return ErpPurchaseRequestStatusEnum.REJECT.getStatus();
        }
        if (BpmTaskStatusEnum.CANCEL.getStatus().equals(bpmStatus)) {
            return ErpPurchaseRequestStatusEnum.CANCEL.getStatus();
        }
        return null;
    }
    @Override
    @Transactional(rollbackFor = Exception.class)
    public Long generatePurchaseOrder(Long id, Long supplierId) {
        // 1. 校验存在 + 审核通过状态
        ErpPurchaseRequestDO purchaseRequest = validatePurchaseRequestExists(id);
        if (!ErpPurchaseRequestStatusEnum.APPROVE.getStatus().equals(purchaseRequest.getStatus())) {
            throw exception(PURCHASE_REQUEST_NOT_APPROVE);
        }
        // 校验是否已生成采购订单
        if (request.getOrderId() != null) {
        // 2. 校验是否已生成订单
        if (purchaseRequest.getOrderId() != null) {
            throw exception(PURCHASE_REQUEST_ORDER_EXISTS);
        }
        // 2. 校验供应商
        // 3. 校验供应商
        supplierService.validateSupplier(supplierId);
        // 3. 获取申请明细
        List<ErpPurchaseRequestItemDO> requestItems = purchaseRequestItemMapper.selectListByRequestId(id);
        // 4. 设置供应商并生成订单
        purchaseRequest.setSupplierId(supplierId);
        return doGeneratePurchaseOrder(purchaseRequest);
    }
        // 4. 构建采购订单 VO
        ErpPurchaseOrderSaveReqVO orderVO = new ErpPurchaseOrderSaveReqVO();
        orderVO.setSupplierId(supplierId);
        orderVO.setOrderTime(java.time.LocalDateTime.now());
        orderVO.setRemark("由采购申请单[" + request.getNo() + "]生成");
        // 转换明细项
        orderVO.setItems(convertList(requestItems, item -> {
            ErpPurchaseOrderSaveReqVO.Item orderItem = new ErpPurchaseOrderSaveReqVO.Item();
    /**
     * 执行生成采购订单
     *
     * @param purchaseRequest 采购申请(需包含 supplierId)
     * @return 采购订单 ID
     */
    private Long doGeneratePurchaseOrder(ErpPurchaseRequestDO purchaseRequest) {
        Long id = purchaseRequest.getId();
        // 1. 获取申请明细
        List<ErpPurchaseRequestItemDO> requestItems = purchaseRequestItemMapper.selectListByRequestId(id);
        if (CollUtil.isEmpty(requestItems)) {
            throw exception(PURCHASE_REQUEST_NOT_EXISTS);
        }
        requestItems.forEach(item -> {
            if (item.getProductPrice() == null || item.getTotalPrice() == null || item.getTaxPrice() == null) {
                throw exception(PURCHASE_REQUEST_ITEM_PRICE_EMPTY, item.getId());
            }
        });
        // 2. 生成采购订单号
        String orderNo = noRedisDAO.generate(ErpNoRedisDAO.PURCHASE_ORDER_NO_PREFIX);
        if (purchaseOrderMapper.selectByNo(orderNo) != null) {
            throw exception(PURCHASE_ORDER_NO_EXISTS);
        }
        // 3. 创建采购订单
        ErpPurchaseOrderDO purchaseOrder = new ErpPurchaseOrderDO();
        purchaseOrder.setNo(orderNo);
        // 自动生成的采购订单仍为草稿,必须走订单自身的提交/审批流程,避免绕过审批
        purchaseOrder.setStatus(ErpPurchaseOrderStatusEnum.DRAFT.getStatus());
        purchaseOrder.setSupplierId(purchaseRequest.getSupplierId());
        purchaseOrder.setOrderTime(purchaseRequest.getRequestTime());
        purchaseOrder.setTotalCount(purchaseRequest.getTotalCount());
        purchaseOrder.setTotalPrice(purchaseRequest.getTotalPrice());
        purchaseOrder.setTotalProductPrice(purchaseRequest.getTotalProductPrice());
        purchaseOrder.setTotalTaxPrice(purchaseRequest.getTotalTaxPrice());
        purchaseOrder.setDiscountPercent(purchaseRequest.getDiscountPercent());
        purchaseOrder.setDiscountPrice(purchaseRequest.getDiscountPrice());
        purchaseOrder.setDepositPrice(purchaseRequest.getDepositPrice() != null ? purchaseRequest.getDepositPrice() : BigDecimal.ZERO);
        purchaseOrder.setRemark(purchaseRequest.getRemark());
        purchaseOrder.setInCount(BigDecimal.ZERO);
        purchaseOrder.setInStatus(0);
        purchaseOrderMapper.insert(purchaseOrder);
        // 4. 创建采购订单明细
        List<ErpPurchaseOrderItemDO> orderItems = convertList(requestItems, item -> {
            ErpPurchaseOrderItemDO orderItem = new ErpPurchaseOrderItemDO();
            orderItem.setOrderId(purchaseOrder.getId());
            orderItem.setRequestItemId(item.getId()); // 关联采购申请明细
            orderItem.setProductId(item.getProductId());
            orderItem.setProductUnitId(item.getProductUnitId());
            orderItem.setProductPrice(item.getProductPrice());
            orderItem.setCount(item.getCount());
            orderItem.setTotalPrice(item.getTotalPrice());
            orderItem.setTaxPercent(item.getTaxPercent());
            orderItem.setTaxPrice(item.getTaxPrice());
            orderItem.setRemark(item.getRemark());
            orderItem.setInCount(BigDecimal.ZERO);
            orderItem.setQcCheckFlag(item.getQcCheckFlag() != null ? item.getQcCheckFlag() : false);
            return orderItem;
        }));
        });
        purchaseOrderItemMapper.insertBatch(orderItems);
        // 5. 创建采购订单
        Long orderId = purchaseOrderService.createPurchaseOrder(orderVO);
        // 6. 更新申请单关联信息
        // 5. 更新采购申请的订单信息,并回写最终使用的供应商
        purchaseRequestMapper.updateById(new ErpPurchaseRequestDO()
                .setId(id)
                .setOrderId(orderId)
                .setOrderTime(java.time.LocalDateTime.now()));
                .setSupplierId(purchaseRequest.getSupplierId())
                .setOrderId(purchaseOrder.getId())
                .setOrderNo(orderNo));
        return orderId;
        return purchaseOrder.getId();
    }
    private ErpPurchaseRequestDO validatePurchaseRequestExists(Long id) {
        ErpPurchaseRequestDO purchaseRequest = purchaseRequestMapper.selectById(id);
        if (purchaseRequest == null) {
            throw exception(PURCHASE_REQUEST_NOT_EXISTS);
        }
        return purchaseRequest;
    }
    private ErpPurchaseRequestDO validatePurchaseRequestCanModify(Long id) {
        ErpPurchaseRequestDO purchaseRequest = validatePurchaseRequestExists(id);
        Integer status = purchaseRequest.getStatus();
        if (!ErpPurchaseRequestStatusEnum.DRAFT.getStatus().equals(status)
                && !ErpPurchaseRequestStatusEnum.REJECT.getStatus().equals(status)) {
            throw exception(PURCHASE_REQUEST_UPDATE_FAIL_NOT_DRAFT, purchaseRequest.getNo());
        }
        return purchaseRequest;
    }
    private String getCurrentUserId() {
        return cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils.getLoginUserId().toString();
    }
    @Override
    public List<Map<String, Object>> getPurchaseRequestApproveProcessDefinitionList() {
        // 1. 校验分类和流程定义是否存在
        validatePurchaseRequestApproveCategoryAndProcessDefinition();
        // 2. 获取分类下的流程定义信息
        List<BpmProcessDefinitionInfoDO> definitionInfoList = bpmProcessDefinitionService
                .getProcessDefinitionInfoListByCategory(PURCHASE_REQUEST_APPROVE_CATEGORY_CODE);
        // 3. 获取流程定义详情
        Set<String> processDefinitionIds = convertSet(definitionInfoList, BpmProcessDefinitionInfoDO::getProcessDefinitionId);
        List<ProcessDefinition> processDefinitions = bpmProcessDefinitionService.getProcessDefinitionList(processDefinitionIds);
        // 4. 过滤:只保留激活状态,且相同 key 只保留最新版本
        Map<String, ProcessDefinition> latestVersionMap = new HashMap<>();
        for (ProcessDefinition pd : processDefinitions) {
            if (pd.isSuspended()) {
                continue; // 跳过挂起的流程
    public ErpPurchaseRequestImportRespVO importPurchaseRequestList(List<ErpPurchaseRequestImportExcelVO> importRequests,
                                                                    ErpPurchaseRequestImportReqVO importReqVO) {
        // 1. 校验非空(过滤完全空白的行)
        importRequests = filterList(importRequests, item -> StrUtil.isNotBlank(item.getProductCode()));
        if (CollUtil.isEmpty(importRequests)) {
            throw exception(PURCHASE_REQUEST_IMPORT_LIST_IS_EMPTY);
        }
        // 2. 按「单号」分组:相同单号的多行合并成一张采购申请;单号为空时每行各自成一张申请
        List<List<ErpPurchaseRequestImportExcelVO>> groups = new ArrayList<>();
        Map<String, Integer> groupIndexMap = new LinkedHashMap<>();
        int rowIndex = 0;
        for (ErpPurchaseRequestImportExcelVO row : importRequests) {
            rowIndex++;
            String groupKey = StrUtil.isNotBlank(row.getNo()) ? row.getNo() : ("__row_" + rowIndex);
            Integer index = groupIndexMap.get(groupKey);
            if (index == null) {
                index = groups.size();
                groupIndexMap.put(groupKey, index);
                groups.add(new ArrayList<>());
            }
            ProcessDefinition existing = latestVersionMap.get(pd.getKey());
            if (existing == null || pd.getVersion() > existing.getVersion()) {
                latestVersionMap.put(pd.getKey(), pd);
            groups.get(index).add(row);
        }
        // 3. 逐组合并创建采购申请
        ErpPurchaseRequestImportRespVO respVO = ErpPurchaseRequestImportRespVO.builder()
                .createPurchaseRequestNos(new ArrayList<>())
                .failurePurchaseRequestNos(new LinkedHashMap<>())
                .build();
        for (List<ErpPurchaseRequestImportExcelVO> group : groups) {
            String groupKey = StrUtil.isNotBlank(group.get(0).getNo()) ? group.get(0).getNo()
                    : "第" + (importRequests.indexOf(group.get(0)) + 1) + "行";
            try {
                ErpPurchaseRequestSaveReqVO createReqVO = buildPurchaseRequestImportSaveReqVO(group);
                Long requestId = createPurchaseRequest(createReqVO);
                respVO.getCreatePurchaseRequestNos().add(purchaseRequestMapper.selectById(requestId).getNo());
            } catch (ServiceException ex) {
                respVO.getFailurePurchaseRequestNos().put(groupKey, ex.getMessage());
            }
        }
        return respVO;
    }
        // 5. 返回流程定义列表
        List<Map<String, Object>> result = new ArrayList<>();
        for (ProcessDefinition pd : latestVersionMap.values()) {
            Map<String, Object> item = new HashMap<>();
            item.put("id", pd.getId());
            item.put("key", pd.getKey());
            item.put("name", pd.getName());
            item.put("version", pd.getVersion());
            result.add(item);
    /**
     * 将同一张采购申请的多行明细转换成创建 Request VO
     */
    private ErpPurchaseRequestSaveReqVO buildPurchaseRequestImportSaveReqVO(List<ErpPurchaseRequestImportExcelVO> group) {
        ErpPurchaseRequestImportExcelVO first = group.get(0);
        // 1. 校验申请时间
        if (first.getRequestTime() == null) {
            throw exception(PURCHASE_REQUEST_IMPORT_REQUEST_TIME_REQUIRED);
        }
        return result;
        // 2. 解析供应商(可选)
        Long supplierId = null;
        if (StrUtil.isNotBlank(first.getSupplierName())) {
            ErpSupplierDO supplier = supplierMapper.selectByName(first.getSupplierName());
            if (supplier == null) {
                throw exception(PURCHASE_REQUEST_IMPORT_SUPPLIER_NOT_EXISTS, first.getSupplierName());
            }
            supplierId = supplier.getId();
        }
        // 3. 组装明细
        List<ErpPurchaseRequestSaveReqVO.Item> items = new ArrayList<>();
        for (ErpPurchaseRequestImportExcelVO row : group) {
            MdmItemRespDTO product = mdmItemApi.getItemByCode(row.getProductCode()).getCheckedData();
            if (product == null) {
                throw exception(PURCHASE_REQUEST_IMPORT_PRODUCT_NOT_EXISTS, row.getProductCode());
            }
            MdmUnitMeasureRespDTO unit = mdmUnitMeasureApi.getUnitMeasureByCode(row.getProductUnitCode()).getCheckedData();
            if (unit == null) {
                throw exception(PURCHASE_REQUEST_IMPORT_UNIT_NOT_EXISTS, row.getProductUnitCode());
            }
            ErpPurchaseRequestSaveReqVO.Item item = new ErpPurchaseRequestSaveReqVO.Item()
                    .setProductId(product.getId())
                    .setProductUnitId(unit.getId())
                    .setProductPrice(row.getProductPrice())
                    .setCount(row.getCount())
                    .setTaxPercent(row.getTaxPercent())
                    .setDemandTime(row.getDemandTime())
                    .setQcCheckFlag(row.getQcCheckFlag())
                    .setRemark(row.getItemRemark());
            items.add(item);
        }
        // 4. 组装主表
        return new ErpPurchaseRequestSaveReqVO()
                .setRequestTime(first.getRequestTime())
                .setRequestReason(first.getRequestReason())
                .setSupplierId(supplierId)
                .setDiscountPercent(first.getDiscountPercent())
                .setDepositPrice(first.getDepositPrice())
                .setRemark(first.getRemark())
                .setItems(items);
    }
}