package cn.iocoder.yudao.module.erp.service.purchase;
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import cn.hutool.core.collection.CollUtil;
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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.BpmCategoryDO;
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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.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.ErpPurchaseOrderDO;
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import cn.iocoder.yudao.module.erp.dal.dataobject.purchase.ErpPurchaseOrderItemDO;
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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.ErpPurchaseOrderItemMapper;
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import cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpPurchaseOrderMapper;
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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.ErpAuditStatus;
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import cn.iocoder.yudao.module.erp.enums.ErpPurchaseRequestStatusEnum;
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import cn.iocoder.yudao.module.system.api.dept.DeptApi;
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import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
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import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO;
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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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@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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* BPM 采购申请审批分类编码
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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 ErpPurchaseOrderMapper purchaseOrderMapper;
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@Resource
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private ErpPurchaseOrderItemMapper purchaseOrderItemMapper;
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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 BpmProcessInstanceApi processInstanceApi;
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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 AdminUserApi adminUserApi;
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@Resource
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private DeptApi deptApi;
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@Override
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@Transactional(rollbackFor = Exception.class)
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public Long createPurchaseRequest(ErpPurchaseRequestSaveReqVO createReqVO) {
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// 1. 校验订单项的有效性
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List<ErpPurchaseRequestItemDO> requestItems = validatePurchaseRequestItems(createReqVO.getItems());
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// 2. 校验供应商（如果指定）
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if (createReqVO.getSupplierId() != null) {
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supplierService.validateSupplier(createReqVO.getSupplierId());
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}
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// 3. 生成申请单号
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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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// 4. 获取当前用户信息
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Long userId = Long.parseLong(getCurrentUserId());
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AdminUserRespDTO user = adminUserApi.getUser(userId);
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Long deptId = user != null ? user.getDeptId() : null;
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// 5. 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, requestItems);
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purchaseRequestMapper.insert(purchaseRequest);
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// 6. 插入申请明细
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requestItems.forEach(o -> o.setRequestId(purchaseRequest.getId()));
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purchaseRequestItemMapper.insertBatch(requestItems);
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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. 校验存在 + 草稿状态
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ErpPurchaseRequestDO purchaseRequest = validatePurchaseRequestExistsAndDraft(updateReqVO.getId());
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// 2. 校验供应商（如果指定）
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if (updateReqVO.getSupplierId() != null) {
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supplierService.validateSupplier(updateReqVO.getSupplierId());
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}
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// 3. 校验订单项的有效性
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List<ErpPurchaseRequestItemDO> requestItems = validatePurchaseRequestItems(updateReqVO.getItems());
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// 4. 更新申请单
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ErpPurchaseRequestDO updateObj = BeanUtils.toBean(updateReqVO, ErpPurchaseRequestDO.class);
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calculateTotalPrice(updateObj, requestItems);
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purchaseRequestMapper.updateById(updateObj);
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// 5. 更新申请明细
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updatePurchaseRequestItemList(updateReqVO.getId(), requestItems);
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}
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private void calculateTotalPrice(ErpPurchaseRequestDO purchaseRequest, List<ErpPurchaseRequestItemDO> requestItems) {
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purchaseRequest.setTotalCount(getSumValue(requestItems, ErpPurchaseRequestItemDO::getCount, BigDecimal::add));
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purchaseRequest.setTotalProductPrice(getSumValue(requestItems, ErpPurchaseRequestItemDO::getTotalPrice, BigDecimal::add, BigDecimal.ZERO));
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purchaseRequest.setTotalTaxPrice(getSumValue(requestItems, 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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private List<ErpPurchaseRequestItemDO> validatePurchaseRequestItems(List<ErpPurchaseRequestSaveReqVO.Item> list) {
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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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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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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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@Override
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@Transactional(rollbackFor = Exception.class)
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public void deletePurchaseRequest(List<Long> ids) {
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List<ErpPurchaseRequestDO> purchaseRequests = purchaseRequestMapper.selectRequestListByIds(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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// 只有草稿状态才能删除
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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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purchaseRequests.forEach(purchaseRequest -> {
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purchaseRequestMapper.deleteById(purchaseRequest.getId());
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purchaseRequestItemMapper.deleteByRequestId(purchaseRequest.getId());
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});
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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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public List<ErpPurchaseRequestDO> getPurchaseRequestList(List<Long> ids) {
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if (CollUtil.isEmpty(ids)) {
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return Collections.emptyList();
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}
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return purchaseRequestMapper.selectRequestListByIds(ids);
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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. 校验存在 + 草稿状态
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ErpPurchaseRequestDO purchaseRequest = validatePurchaseRequestExistsAndDraft(id);
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// 2. 校验是否有明细
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List<ErpPurchaseRequestItemDO> items = purchaseRequestItemMapper.selectListByRequestId(id);
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if (CollUtil.isEmpty(items)) {
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throw exception(PURCHASE_REQUEST_NOT_EXISTS); // TODO: 添加明细为空的错误码
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}
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// 3. 创建 BPM 流程实例
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String processInstanceId = processInstanceApi.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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// 4. 更新采购申请状态为审批中
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purchaseRequestMapper.updateById(new ErpPurchaseRequestDO()
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.setId(id)
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.setStatus(ErpPurchaseRequestStatusEnum.PROCESS.getStatus())
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.setProcessInstanceId(processInstanceId));
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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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if (CollUtil.isEmpty(definitionInfoList)) {
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return Collections.emptyList();
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}
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// 3. 遍历获取流程定义详情，过滤激活状态，保留最新版本
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Map<String, ProcessDefinition> latestVersionMap = new HashMap<>();
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for (BpmProcessDefinitionInfoDO info : definitionInfoList) {
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ProcessDefinition pd = bpmProcessDefinitionService.getProcessDefinition(info.getProcessDefinitionId());
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if (pd == null || pd.isSuspended()) {
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continue;
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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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// 4. 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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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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@Transactional(rollbackFor = Exception.class)
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public void updatePurchaseRequestAuditStatus(Long id, Integer bpmResult) {
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// 1. 校验存在
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ErpPurchaseRequestDO purchaseRequest = validatePurchaseRequestExists(id);
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if (!ErpPurchaseRequestStatusEnum.PROCESS.getStatus().equals(purchaseRequest.getStatus())) {
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log.warn("[updatePurchaseRequestAuditStatus] 采购申请({}) 不处于审批中状态", id);
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return;
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}
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// 2. 根据审批结果更新状态
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Integer newStatus = convertBpmResultToStatus(bpmResult);
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if (newStatus != null) {
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purchaseRequestMapper.updateById(new ErpPurchaseRequestDO()
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.setId(id).setStatus(newStatus));
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}
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// 3. 审批通过且有供应商，自动生成采购订单
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if (ErpPurchaseRequestStatusEnum.APPROVE.getStatus().equals(newStatus)
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&& purchaseRequest.getSupplierId() != null
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&& purchaseRequest.getOrderId() == null) {
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try {
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Long orderId = doGeneratePurchaseOrder(purchaseRequest);
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log.info("[updatePurchaseRequestAuditStatus] 采购申请({}) 自动生成采购订单({})", id, orderId);
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} catch (Exception e) {
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log.error("[updatePurchaseRequestAuditStatus] 采购申请({}) 自动生成采购订单失败", id, e);
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// 不抛出异常，避免影响状态更新
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}
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}
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public Long generatePurchaseOrder(Long id, Long supplierId) {
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// 1. 校验存在 + 审核通过状态
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ErpPurchaseRequestDO purchaseRequest = validatePurchaseRequestExists(id);
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if (!ErpPurchaseRequestStatusEnum.APPROVE.getStatus().equals(purchaseRequest.getStatus())) {
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throw exception(PURCHASE_REQUEST_NOT_APPROVE);
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}
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// 2. 校验是否已生成订单
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if (purchaseRequest.getOrderId() != null) {
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throw exception(PURCHASE_REQUEST_ORDER_EXISTS);
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}
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// 3. 校验供应商
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supplierService.validateSupplier(supplierId);
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// 4. 设置供应商并生成订单
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purchaseRequest.setSupplierId(supplierId);
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return doGeneratePurchaseOrder(purchaseRequest);
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}
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/**
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* 执行生成采购订单
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*
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* @param purchaseRequest 采购申请（需包含 supplierId）
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* @return 采购订单 ID
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*/
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private Long doGeneratePurchaseOrder(ErpPurchaseRequestDO purchaseRequest) {
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Long id = purchaseRequest.getId();
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// 1. 获取申请明细
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List<ErpPurchaseRequestItemDO> requestItems = purchaseRequestItemMapper.selectListByRequestId(id);
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if (CollUtil.isEmpty(requestItems)) {
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throw exception(PURCHASE_REQUEST_NOT_EXISTS);
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}
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// 2. 生成采购订单号
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String orderNo = noRedisDAO.generate(ErpNoRedisDAO.PURCHASE_ORDER_NO_PREFIX);
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if (purchaseOrderMapper.selectByNo(orderNo) != null) {
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throw exception(PURCHASE_ORDER_NO_EXISTS);
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}
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// 3. 创建采购订单
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ErpPurchaseOrderDO purchaseOrder = new ErpPurchaseOrderDO();
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purchaseOrder.setNo(orderNo);
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purchaseOrder.setStatus(ErpAuditStatus.APPROVE.getStatus()); // 采购订单直接为已审核状态
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purchaseOrder.setSupplierId(purchaseRequest.getSupplierId());
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purchaseOrder.setOrderTime(purchaseRequest.getRequestTime());
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purchaseOrder.setTotalCount(purchaseRequest.getTotalCount());
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purchaseOrder.setTotalPrice(purchaseRequest.getTotalPrice());
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purchaseOrder.setTotalProductPrice(purchaseRequest.getTotalProductPrice());
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purchaseOrder.setTotalTaxPrice(purchaseRequest.getTotalTaxPrice());
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purchaseOrder.setDiscountPercent(purchaseRequest.getDiscountPercent());
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purchaseOrder.setDiscountPrice(purchaseRequest.getDiscountPrice());
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purchaseOrder.setDepositPrice(purchaseRequest.getDepositPrice() != null ? purchaseRequest.getDepositPrice() : BigDecimal.ZERO);
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purchaseOrder.setRemark(purchaseRequest.getRemark());
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purchaseOrder.setInCount(BigDecimal.ZERO);
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purchaseOrder.setInStatus(0);
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purchaseOrderMapper.insert(purchaseOrder);
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// 4. 创建采购订单明细
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List<ErpPurchaseOrderItemDO> orderItems = convertList(requestItems, item -> {
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ErpPurchaseOrderItemDO orderItem = new ErpPurchaseOrderItemDO();
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orderItem.setOrderId(purchaseOrder.getId());
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orderItem.setRequestItemId(item.getId()); // 关联采购申请明细
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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.setTotalPrice(item.getTotalPrice());
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orderItem.setTaxPercent(item.getTaxPercent());
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orderItem.setTaxPrice(item.getTaxPrice());
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orderItem.setRemark(item.getRemark());
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orderItem.setInCount(BigDecimal.ZERO);
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orderItem.setQcCheckFlag(item.getQcCheckFlag() != null ? item.getQcCheckFlag() : false);
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return orderItem;
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});
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purchaseOrderItemMapper.insertBatch(orderItems);
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// 5. 更新采购申请的订单信息
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purchaseRequestMapper.updateById(new ErpPurchaseRequestDO()
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.setId(id)
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.setOrderId(purchaseOrder.getId())
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.setOrderNo(orderNo));
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return purchaseOrder.getId();
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}
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/**
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* 校验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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List<BpmCategoryDO> categories = bpmCategoryService.getCategoryListByCode(
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Collections.singletonList(PURCHASE_REQUEST_APPROVE_CATEGORY_CODE));
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if (CollUtil.isEmpty(categories)) {
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throw exception(PURCHASE_REQUEST_BPM_CATEGORY_NOT_EXISTS);
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}
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}
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/**
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* 转换 BPM 审批结果为状态
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*/
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private Integer convertBpmResultToStatus(Integer bpmResult) {
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if (BpmTaskStatusEnum.APPROVE.getStatus().equals(bpmResult)) {
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return ErpPurchaseRequestStatusEnum.APPROVE.getStatus();
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} else if (BpmTaskStatusEnum.REJECT.getStatus().equals(bpmResult)) {
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return ErpPurchaseRequestStatusEnum.REJECT.getStatus();
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} else if (BpmTaskStatusEnum.CANCEL.getStatus().equals(bpmResult)) {
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return ErpPurchaseRequestStatusEnum.CANCEL.getStatus();
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}
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return null;
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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 ErpPurchaseRequestDO validatePurchaseRequestExistsAndDraft(Long id) {
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ErpPurchaseRequestDO purchaseRequest = validatePurchaseRequestExists(id);
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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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return purchaseRequest;
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}
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private String getCurrentUserId() {
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return cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils.getLoginUserId().toString();
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}
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}
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