feat(crm/erp): 新增采购申请、合同管理 Excel 导入（含菜单权限 SQL）

tuqin

5 天以前 67d3ab41f4989faf4db5f7f95f56b8595dd8eb3b

 yudao-module-erp/src/main/java/cn/iocoder/yudao/module/erp/service/purchase/ErpPurchaseRequestServiceImpl.java

@@ -1,27 +1,41 @@
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.pojo.CommonResult;
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.BpmCategoryDO;
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.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.controller.admin.purchase.vo.request.ErpPurchaseRequestImportExcelVO;
import cn.iocoder.yudao.module.erp.controller.admin.purchase.vo.request.ErpPurchaseRequestImportRespVO;
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.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.redis.no.ErpNoRedisDAO;
import cn.iocoder.yudao.module.mdm.api.item.MdmItemApi;
import cn.iocoder.yudao.module.mdm.api.item.dto.MdmItemRespDTO;
import cn.iocoder.yudao.module.erp.enums.ErpAuditStatus;
import cn.iocoder.yudao.module.erp.enums.ErpPurchaseRequestStatusEnum;
import cn.iocoder.yudao.module.erp.service.product.ErpProductService;
import cn.iocoder.yudao.module.srm.api.supplier.SrmSupplierApi;
import cn.iocoder.yudao.module.srm.api.supplier.dto.SrmSupplierRespDTO;
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;
@@ -30,16 +44,18 @@
import org.springframework.validation.annotation.Validated;

import java.math.BigDecimal;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.*;

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.module.erp.enums.ErrorCodeConstants.*;
import static cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils.getLoginUserId;

/**
 * ERP 采购申请 Service 实现类
 *
 * @author 芋道源码
 */
@Service
@Validated
@@ -47,7 +63,7 @@
public class ErpPurchaseRequestServiceImpl implements ErpPurchaseRequestService {

    /**
     * 采购申请 BPM 分类编码
     * BPM 采购申请审批分类编码
     */
    private static final String PURCHASE_REQUEST_APPROVE_CATEGORY_CODE = "purchase_request_approve";

@@ -57,110 +73,295 @@
    private ErpPurchaseRequestItemMapper purchaseRequestItemMapper;

    @Resource
    private ErpPurchaseOrderMapper purchaseOrderMapper;
    @Resource
    private ErpPurchaseOrderItemMapper purchaseOrderItemMapper;

    @Resource
    private ErpNoRedisDAO noRedisDAO;

    @Resource
    private ErpProductService productService;
    @Resource
    private ErpSupplierService supplierService;
    @Resource
    private SrmSupplierApi srmSupplierApi;
    @Resource
    private MdmItemApi mdmItemApi;

    @Resource
    private BpmProcessInstanceApi processInstanceApi;
    @Resource
    private BpmCategoryService bpmCategoryService;
    @Resource
    private BpmProcessDefinitionService bpmProcessDefinitionService;
    @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);
        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);
        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;
    public ErpPurchaseRequestImportRespVO importPurchaseRequestList(List<ErpPurchaseRequestImportExcelVO> importList) {
        ErpPurchaseRequestImportRespVO respVO = ErpPurchaseRequestImportRespVO.builder()
                .createList(new ArrayList<>())
                .updateList(new ArrayList<>())
                .failureList(new LinkedHashMap<>())
                .build();
        if (CollUtil.isEmpty(importList)) {
            return respVO;
        }
        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());
        });
        // 1. 预热“供应商名称/编码 -> 供应商编号”映射（供应商为可选）
        Map<String, Long> supplierIdMap = new HashMap<>();
        CommonResult<List<SrmSupplierRespDTO>> supplierResult = srmSupplierApi.getSupplierSimpleList();
        if (supplierResult != null && CollUtil.isNotEmpty(supplierResult.getData())) {
            supplierResult.getData().forEach(supplier -> {
                if (StrUtil.isNotBlank(supplier.getName())) {
                    supplierIdMap.putIfAbsent(supplier.getName().trim(), supplier.getId());
                }
                if (StrUtil.isNotBlank(supplier.getCode())) {
                    supplierIdMap.putIfAbsent(supplier.getCode().trim(), supplier.getId());
                }
            });
        }

        // 2. 按“采购申请单号”分组
        Map<String, List<ErpPurchaseRequestImportExcelVO>> groups = new LinkedHashMap<>();
        for (int i = 0; i < importList.size(); i++) {
            ErpPurchaseRequestImportExcelVO row = importList.get(i);
            if (row == null || (StrUtil.isBlank(row.getProductCode()) && StrUtil.isBlank(row.getSupplierName())
                    && StrUtil.isBlank(row.getNo()))) {
                continue; // 跳过空行
            }
            String key = StrUtil.isNotBlank(row.getNo()) ? row.getNo().trim() : "__row_" + (i + 2);
            groups.computeIfAbsent(key, k -> new ArrayList<>()).add(row);
        }

        // 3. 逐张申请导入
        for (Map.Entry<String, List<ErpPurchaseRequestImportExcelVO>> entry : groups.entrySet()) {
            List<ErpPurchaseRequestImportExcelVO> rows = entry.getValue();
            String label = StrUtil.isNotBlank(rows.get(0).getNo()) ? rows.get(0).getNo().trim()
                    : "第 " + entry.getKey().substring("__row_".length()) + " 行";
            try {
                ErpPurchaseRequestDO purchaseRequest = createPurchaseRequestByImport(rows, supplierIdMap);
                respVO.getCreateList().add(purchaseRequest.getNo());
            } catch (Exception ex) {
                respVO.getFailureList().put(label, resolveImportErrorMessage(ex));
            }
        }
        return respVO;
    }

    private ErpPurchaseRequestDO validatePurchaseRequestExists(Long id) {
        ErpPurchaseRequestDO purchaseRequest = purchaseRequestMapper.selectById(id);
        if (purchaseRequest == null) {
            throw exception(PURCHASE_REQUEST_NOT_EXISTS);
    /**
     * 依据导入数据创建一张采购申请（含明细）。申请人/申请部门由当前登录用户自动填充；状态为“未提交(0)”。
     */
    private ErpPurchaseRequestDO createPurchaseRequestByImport(List<ErpPurchaseRequestImportExcelVO> rows,
                                                              Map<String, Long> supplierIdMap) {
        ErpPurchaseRequestImportExcelVO head = rows.get(0);

        // 1. 供应商（可选）：填了则按名称/编码匹配并校验
        Long supplierId = null;
        if (StrUtil.isNotBlank(head.getSupplierName())) {
            supplierId = supplierIdMap.get(head.getSupplierName().trim());
            if (supplierId == null) {
                throw new IllegalArgumentException("供应商不存在：" + head.getSupplierName());
            }
            supplierService.validateSupplier(supplierId);
        }

        // 2. 明细
        List<ErpPurchaseRequestSaveReqVO.Item> items = new ArrayList<>();
        for (ErpPurchaseRequestImportExcelVO row : rows) {
            if (StrUtil.isBlank(row.getProductCode())) {
                throw new IllegalArgumentException("产品编码不能为空");
            }
            CommonResult<MdmItemRespDTO> itemResult = mdmItemApi.getItemByCode(row.getProductCode().trim());
            MdmItemRespDTO item = itemResult == null ? null : itemResult.getData();
            if (item == null) {
                throw new IllegalArgumentException("产品不存在：" + row.getProductCode());
            }
            if (row.getCount() == null) {
                throw new IllegalArgumentException("产品[" + row.getProductCode() + "]的数量不能为空");
            }
            if (item.getUnitMeasureId() == null) {
                throw new IllegalArgumentException("产品[" + row.getProductCode() + "]未配置计量单位，请先在物料中维护");
            }
            ErpPurchaseRequestSaveReqVO.Item itemVO = new ErpPurchaseRequestSaveReqVO.Item();
            itemVO.setProductId(item.getId());
            itemVO.setProductUnitId(item.getUnitMeasureId());
            // 单价：未填写时取物料的采购价
            itemVO.setProductPrice(row.getProductPrice() != null ? row.getProductPrice()
                    : (item.getPurchasePrice() != null ? item.getPurchasePrice() : BigDecimal.ZERO));
            itemVO.setCount(row.getCount());
            itemVO.setTaxPercent(row.getTaxPercent());
            itemVO.setDemandTime(parseImportDate(row.getDemandTime()));
            itemVO.setQcCheckFlag("是".equals(StrUtil.trim(row.getQcCheckFlag())));
            itemVO.setRemark(row.getRemark());
            items.add(itemVO);
        }

        // 3. 单号：填了就用（校验唯一），没填自动生成 CGSQ...
        String no = StrUtil.isNotBlank(head.getNo()) ? head.getNo().trim()
                : noRedisDAO.generate(ErpNoRedisDAO.PURCHASE_REQUEST_NO_PREFIX);
        if (purchaseRequestMapper.selectByNo(no) != null) {
            throw new IllegalArgumentException("采购申请单号已存在：" + no);
        }

        // 4. 申请人 / 申请部门：取当前登录用户及其部门
        Long userId = getLoginUserId();
        AdminUserRespDTO user = userId == null ? null : adminUserApi.getUser(userId);
        Long deptId = user != null ? user.getDeptId() : null;

        // 5. 组装主表（状态为“未提交”）
        ErpPurchaseRequestDO purchaseRequest = new ErpPurchaseRequestDO();
        purchaseRequest.setNo(no);
        purchaseRequest.setSupplierId(supplierId);
        purchaseRequest.setRequestTime(parseImportDateTime(head.getRequestTime()));
        purchaseRequest.setRequestReason(head.getRequestReason());
        purchaseRequest.setRemark(head.getRemark());
        purchaseRequest.setStatus(ErpPurchaseRequestStatusEnum.DRAFT.getStatus());
        purchaseRequest.setRequestUserId(userId);
        purchaseRequest.setRequestDeptId(deptId);
        purchaseRequest.setDepositPrice(BigDecimal.ZERO);

        List<ErpPurchaseRequestItemDO> itemDOs = validatePurchaseRequestItems(items);
        calculateTotalPrice(purchaseRequest, itemDOs);
        purchaseRequestMapper.insert(purchaseRequest);
        itemDOs.forEach(item -> item.setRequestId(purchaseRequest.getId()));
        purchaseRequestItemMapper.insertBatch(itemDOs);
        return purchaseRequest;
    }

    private LocalDateTime parseImportDateTime(String text) {
        if (StrUtil.isBlank(text)) {
            return LocalDateTime.now();
        }
        String value = text.trim();
        for (String pattern : new String[]{"yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy/MM/dd HH:mm:ss"}) {
            try {
                return LocalDateTime.parse(value, DateTimeFormatter.ofPattern(pattern));
            } catch (Exception ignored) {
                // 继续尝试下一个格式
            }
        }
        for (String pattern : new String[]{"yyyy-MM-dd", "yyyy/M/d"}) {
            try {
                return LocalDate.parse(value, DateTimeFormatter.ofPattern(pattern)).atStartOfDay();
            } catch (Exception ignored) {
                // 继续尝试下一个格式
            }
        }
        throw new IllegalArgumentException("申请时间格式不正确：" + text + "，示例 2026-01-01 10:00:00");
    }

    private LocalDate parseImportDate(String text) {
        if (StrUtil.isBlank(text)) {
            return null;
        }
        String value = text.trim();
        for (String pattern : new String[]{"yyyy-MM-dd", "yyyy/M/d"}) {
            try {
                return LocalDate.parse(value, DateTimeFormatter.ofPattern(pattern));
            } catch (Exception ignored) {
                // 继续尝试下一个格式
            }
        }
        try {
            return LocalDateTime.parse(value, DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")).toLocalDate();
        } catch (Exception ignored) {
            // 忽略
        }
        throw new IllegalArgumentException("需求日期格式不正确：" + text + "，示例 2026-01-01");
    }

    private String resolveImportErrorMessage(Exception ex) {
        if (ex instanceof cn.iocoder.yudao.framework.common.exception.ServiceException serviceException) {
            return serviceException.getMessage();
        }
        return StrUtil.blankToDefault(ex.getMessage(), "导入失败");
    }

    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);
        }
        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 +372,10 @@
    }

    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 +388,26 @@
        }
    }

    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
@@ -226,140 +434,36 @@
    }

    @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);
        // 1. 校验存在 + 草稿状态
        ErpPurchaseRequestDO purchaseRequest = validatePurchaseRequestCanModify(id);

        // 2. 校验是否有明细
        List<ErpPurchaseRequestItemDO> items = purchaseRequestItemMapper.selectListByRequestId(id);
        if (CollUtil.isEmpty(items)) {
            throw exception(PURCHASE_REQUEST_NOT_EXISTS); // TODO: 添加明细为空的错误码
        }

        // 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);
        }

        // 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. 创建 BPM 流程实例
        String processInstanceId = processInstanceApi.createProcessInstance(userId,
                new BpmProcessInstanceCreateReqDTO()
                        .setProcessDefinitionKey(processDefinitionKey)
                        .setBusinessKey(String.valueOf(id)));

        // 5. 更新申请单状态
        // 4. 更新采购申请状态为审批中
        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;
    }

    @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())) {
            throw exception(PURCHASE_REQUEST_NOT_APPROVE);
        }
        // 校验是否已生成采购订单
        if (request.getOrderId() != null) {
            throw exception(PURCHASE_REQUEST_ORDER_EXISTS);
        }

        // 2. 校验供应商
        supplierService.validateSupplier(supplierId);

        // 3. 获取申请明细
        List<ErpPurchaseRequestItemDO> requestItems = purchaseRequestItemMapper.selectListByRequestId(id);

        // 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();
            orderItem.setProductId(item.getProductId());
            orderItem.setProductUnitId(item.getProductUnitId());
            orderItem.setProductPrice(item.getProductPrice());
            orderItem.setCount(item.getCount());
            orderItem.setTaxPercent(item.getTaxPercent());
            orderItem.setRemark(item.getRemark());
            return orderItem;
        }));

        // 5. 创建采购订单
        Long orderId = purchaseOrderService.createPurchaseOrder(orderVO);

        // 6. 更新申请单关联信息
        purchaseRequestMapper.updateById(new ErpPurchaseRequestDO()
                .setId(id)
                .setOrderId(orderId)
                .setOrderTime(java.time.LocalDateTime.now()));

        return orderId;
                .setStatus(ErpPurchaseRequestStatusEnum.PROCESS.getStatus())
                .setProcessInstanceId(processInstanceId));
    }

    @Override
@@ -370,16 +474,16 @@
        // 2. 获取分类下的流程定义信息
        List<BpmProcessDefinitionInfoDO> definitionInfoList = bpmProcessDefinitionService
                .getProcessDefinitionInfoListByCategory(PURCHASE_REQUEST_APPROVE_CATEGORY_CODE);
        if (CollUtil.isEmpty(definitionInfoList)) {
            return Collections.emptyList();
        }

        // 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
        // 3. 遍历获取流程定义详情，过滤激活状态，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
        for (BpmProcessDefinitionInfoDO info : definitionInfoList) {
            ProcessDefinition pd = bpmProcessDefinitionService.getProcessDefinition(info.getProcessDefinitionId());
            if (pd == null || pd.isSuspended()) {
                continue;
            }
            ProcessDefinition existing = latestVersionMap.get(pd.getKey());
            if (existing == null || pd.getVersion() > existing.getVersion()) {
@@ -387,17 +491,197 @@
            }
        }

        // 5. 返回流程定义列表
        // 4. 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);
        }
        return result;
    }

}
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void updatePurchaseRequestAuditStatus(Long id, Integer bpmResult) {
        // 1. 校验存在
        ErpPurchaseRequestDO purchaseRequest = validatePurchaseRequestExists(id);
        if (!ErpPurchaseRequestStatusEnum.PROCESS.getStatus().equals(purchaseRequest.getStatus())) {
            log.warn("[updatePurchaseRequestAuditStatus] 采购申请({}) 不处于审批中状态", id);
            return;
        }

        // 2. 根据审批结果更新状态
        Integer newStatus = convertBpmResultToStatus(bpmResult);
        if (newStatus != null) {
            purchaseRequestMapper.updateById(new ErpPurchaseRequestDO()
                    .setId(id).setStatus(newStatus));
        }

        // 3. 审批通过且有供应商，自动生成采购订单
        if (ErpPurchaseRequestStatusEnum.APPROVE.getStatus().equals(newStatus)
                && purchaseRequest.getSupplierId() != null
                && purchaseRequest.getOrderId() == null) {
            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) {
                log.error("[updatePurchaseRequestAuditStatus] 采购申请({}) 自动生成采购订单失败", id, e);
                // 不抛出异常，避免影响状态更新
            }
        }
    }

    @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);
        }
        // 2. 校验是否已生成订单
        if (purchaseRequest.getOrderId() != null) {
            throw exception(PURCHASE_REQUEST_ORDER_EXISTS);
        }
        // 3. 校验供应商
        supplierService.validateSupplier(supplierId);

        // 4. 设置供应商并生成订单
        purchaseRequest.setSupplierId(supplierId);
        return doGeneratePurchaseOrder(purchaseRequest);
    }

    /**
     * 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);
        }

        // 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);
        purchaseOrder.setStatus(ErpAuditStatus.APPROVE.getStatus()); // 采购订单直接为已审核状态
        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. 更新采购申请的订单信息
        purchaseRequestMapper.updateById(new ErpPurchaseRequestDO()
                .setId(id)
                .setOrderId(purchaseOrder.getId())
                .setOrderNo(orderNo));

        return purchaseOrder.getId();
    }

    /**
     * 校验采购申请审批分类和流程定义是否存在
     */
    private void validatePurchaseRequestApproveCategoryAndProcessDefinition() {
        List<BpmCategoryDO> categories = bpmCategoryService.getCategoryListByCode(
                Collections.singletonList(PURCHASE_REQUEST_APPROVE_CATEGORY_CODE));
        if (CollUtil.isEmpty(categories)) {
            throw exception(PURCHASE_REQUEST_BPM_CATEGORY_NOT_EXISTS);
        }
    }

    /**
     * 转换 BPM 审批结果为状态
     */
    private Integer convertBpmResultToStatus(Integer bpmResult) {
        if (BpmTaskStatusEnum.APPROVE.getStatus().equals(bpmResult)) {
            return ErpPurchaseRequestStatusEnum.APPROVE.getStatus();
        } else if (BpmTaskStatusEnum.REJECT.getStatus().equals(bpmResult)) {
            return ErpPurchaseRequestStatusEnum.REJECT.getStatus();
        } else if (BpmTaskStatusEnum.CANCEL.getStatus().equals(bpmResult)) {
            return ErpPurchaseRequestStatusEnum.CANCEL.getStatus();
        }
        return null;
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void resetPurchaseRequestStatus(Long id) {
        ErpPurchaseRequestDO purchaseRequest = validatePurchaseRequestExists(id);
        Integer status = purchaseRequest.getStatus();
        // 兼容数据不一致：BPM 已驳回但业务表 status 未更新（仍为审批中）
        if (!ErpPurchaseRequestStatusEnum.REJECT.getStatus().equals(status)
                && !ErpPurchaseRequestStatusEnum.PROCESS.getStatus().equals(status)) {
            throw exception(PURCHASE_REQUEST_RESET_FAIL_NOT_REJECT);
        }
        purchaseRequestMapper.updateById(new ErpPurchaseRequestDO()
                .setId(id)
                .setStatus(ErpPurchaseRequestStatusEnum.DRAFT.getStatus())
                .setProcessInstanceId(""));
    }

    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();
    }

}