package cn.iocoder.yudao.module.erp.service.purchase;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.util.ObjectUtil;
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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.erp.controller.admin.purchase.vo.returns.ErpPurchaseReturnPageReqVO;
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import cn.iocoder.yudao.module.erp.controller.admin.purchase.vo.returns.ErpPurchaseReturnSaveReqVO;
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import cn.iocoder.yudao.module.erp.dal.dataobject.product.ErpProductDO;
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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.ErpPurchaseReturnDO;
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import cn.iocoder.yudao.module.erp.dal.dataobject.purchase.ErpPurchaseReturnItemDO;
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import cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpPurchaseReturnItemMapper;
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import cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpPurchaseReturnMapper;
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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.stock.ErpStockRecordBizTypeEnum;
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import cn.iocoder.yudao.module.erp.service.finance.ErpAccountService;
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import cn.iocoder.yudao.module.erp.service.product.ErpProductService;
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import cn.iocoder.yudao.module.erp.service.stock.ErpStockRecordService;
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import cn.iocoder.yudao.module.erp.service.stock.bo.ErpStockRecordCreateReqBO;
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import jakarta.annotation.Resource;
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import org.springframework.context.annotation.Lazy;
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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.Collection;
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import java.util.Collections;
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import java.util.List;
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import java.util.Map;
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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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// TODO 芋艿：记录操作日志
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/**
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* ERP 采购退货 Service 实现类
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*
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* @author 芋道源码
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*/
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@Service
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@Validated
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public class ErpPurchaseReturnServiceImpl implements ErpPurchaseReturnService {
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@Resource
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private ErpPurchaseReturnMapper purchaseReturnMapper;
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@Resource
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private ErpPurchaseReturnItemMapper purchaseReturnItemMapper;
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@Resource
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private ErpNoRedisDAO noRedisDAO;
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@Resource
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private ErpProductService productService;
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@Resource
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@Lazy // 延迟加载，避免循环依赖
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private ErpPurchaseOrderService purchaseOrderService;
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@Resource
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private ErpAccountService accountService;
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@Resource
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private ErpStockRecordService stockRecordService;
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@Override
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@Transactional(rollbackFor = Exception.class)
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public Long createPurchaseReturn(ErpPurchaseReturnSaveReqVO createReqVO) {
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// 1.1 校验采购订单已审核
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ErpPurchaseOrderDO purchaseOrder = purchaseOrderService.validatePurchaseOrder(createReqVO.getOrderId());
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// 1.2 校验退货项的有效性
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List<ErpPurchaseReturnItemDO> purchaseReturnItems = validatePurchaseReturnItems(createReqVO.getItems());
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// 1.3 校验结算账户
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accountService.validateAccount(createReqVO.getAccountId());
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// 1.4 生成退货单号，并校验唯一性
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String no = noRedisDAO.generate(ErpNoRedisDAO.PURCHASE_RETURN_NO_PREFIX);
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if (purchaseReturnMapper.selectByNo(no) != null) {
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throw exception(PURCHASE_RETURN_NO_EXISTS);
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}
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// 2.1 插入退货
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ErpPurchaseReturnDO purchaseReturn = BeanUtils.toBean(createReqVO, ErpPurchaseReturnDO.class, in -> in
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.setNo(no).setStatus(ErpAuditStatus.PROCESS.getStatus()))
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.setOrderNo(purchaseOrder.getNo()).setSupplierId(purchaseOrder.getSupplierId());
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calculateTotalPrice(purchaseReturn, purchaseReturnItems);
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purchaseReturnMapper.insert(purchaseReturn);
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// 2.2 插入退货项
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purchaseReturnItems.forEach(o -> o.setReturnId(purchaseReturn.getId()));
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purchaseReturnItemMapper.insertBatch(purchaseReturnItems);
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// 3. 更新采购订单的退货数量
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updatePurchaseOrderReturnCount(createReqVO.getOrderId());
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return purchaseReturn.getId();
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void updatePurchaseReturn(ErpPurchaseReturnSaveReqVO updateReqVO) {
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// 1.1 校验存在
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ErpPurchaseReturnDO purchaseReturn = validatePurchaseReturnExists(updateReqVO.getId());
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if (ErpAuditStatus.APPROVE.getStatus().equals(purchaseReturn.getStatus())) {
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throw exception(PURCHASE_RETURN_UPDATE_FAIL_APPROVE, purchaseReturn.getNo());
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}
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// 1.2 校验采购订单已审核
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ErpPurchaseOrderDO purchaseOrder = purchaseOrderService.validatePurchaseOrder(updateReqVO.getOrderId());
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// 1.3 校验结算账户
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accountService.validateAccount(updateReqVO.getAccountId());
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// 1.4 校验订单项的有效性
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List<ErpPurchaseReturnItemDO> purchaseReturnItems = validatePurchaseReturnItems(updateReqVO.getItems());
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// 2.1 更新退货
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ErpPurchaseReturnDO updateObj = BeanUtils.toBean(updateReqVO, ErpPurchaseReturnDO.class)
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.setOrderNo(purchaseOrder.getNo()).setSupplierId(purchaseOrder.getSupplierId());
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calculateTotalPrice(updateObj, purchaseReturnItems);
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purchaseReturnMapper.updateById(updateObj);
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// 2.2 更新退货项
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updatePurchaseReturnItemList(updateReqVO.getId(), purchaseReturnItems);
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// 3.1 更新采购订单的出库数量
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updatePurchaseOrderReturnCount(updateObj.getOrderId());
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// 3.2 注意：如果采购订单编号变更了，需要更新“老”采购订单的出库数量
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if (ObjectUtil.notEqual(purchaseReturn.getOrderId(), updateObj.getOrderId())) {
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updatePurchaseOrderReturnCount(purchaseReturn.getOrderId());
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}
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}
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private void calculateTotalPrice(ErpPurchaseReturnDO purchaseReturn, List<ErpPurchaseReturnItemDO> purchaseReturnItems) {
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purchaseReturn.setTotalCount(getSumValue(purchaseReturnItems, ErpPurchaseReturnItemDO::getCount, BigDecimal::add));
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purchaseReturn.setTotalProductPrice(getSumValue(purchaseReturnItems, ErpPurchaseReturnItemDO::getTotalPrice, BigDecimal::add, BigDecimal.ZERO));
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purchaseReturn.setTotalTaxPrice(getSumValue(purchaseReturnItems, ErpPurchaseReturnItemDO::getTaxPrice, BigDecimal::add, BigDecimal.ZERO));
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purchaseReturn.setTotalPrice(purchaseReturn.getTotalProductPrice().add(purchaseReturn.getTotalTaxPrice()));
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// 计算优惠价格
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if (purchaseReturn.getDiscountPercent() == null) {
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purchaseReturn.setDiscountPercent(BigDecimal.ZERO);
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}
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purchaseReturn.setDiscountPrice(MoneyUtils.priceMultiplyPercent(purchaseReturn.getTotalPrice(), purchaseReturn.getDiscountPercent()));
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purchaseReturn.setTotalPrice(purchaseReturn.getTotalPrice().subtract(purchaseReturn.getDiscountPrice()).add(purchaseReturn.getOtherPrice()));
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}
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private void updatePurchaseOrderReturnCount(Long orderId) {
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// 1.1 查询采购订单对应的采购出库单列表
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List<ErpPurchaseReturnDO> purchaseReturns = purchaseReturnMapper.selectListByOrderId(orderId);
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// 1.2 查询对应的采购订单项的退货数量
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Map<Long, BigDecimal> returnCountMap = purchaseReturnItemMapper.selectOrderItemCountSumMapByReturnIds(
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convertList(purchaseReturns, ErpPurchaseReturnDO::getId));
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// 2. 更新采购订单的出库数量
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purchaseOrderService.updatePurchaseOrderReturnCount(orderId, returnCountMap);
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void updatePurchaseReturnStatus(Long id, Integer status) {
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boolean approve = ErpAuditStatus.APPROVE.getStatus().equals(status);
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// 1.1 校验存在
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ErpPurchaseReturnDO purchaseReturn = validatePurchaseReturnExists(id);
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// 1.2 校验状态
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if (purchaseReturn.getStatus().equals(status)) {
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throw exception(approve ? PURCHASE_RETURN_APPROVE_FAIL : PURCHASE_RETURN_PROCESS_FAIL);
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}
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// 1.3 校验已退款
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if (!approve && purchaseReturn.getRefundPrice().compareTo(BigDecimal.ZERO) > 0) {
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throw exception(PURCHASE_RETURN_PROCESS_FAIL_EXISTS_REFUND);
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}
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// 2. 更新状态
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int updateCount = purchaseReturnMapper.updateByIdAndStatus(id, purchaseReturn.getStatus(),
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new ErpPurchaseReturnDO().setStatus(status));
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if (updateCount == 0) {
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throw exception(approve ? PURCHASE_RETURN_APPROVE_FAIL : PURCHASE_RETURN_PROCESS_FAIL);
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}
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// 3. 变更库存
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List<ErpPurchaseReturnItemDO> purchaseReturnItems = purchaseReturnItemMapper.selectListByReturnId(id);
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Integer bizType = approve ? ErpStockRecordBizTypeEnum.PURCHASE_RETURN.getType()
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: ErpStockRecordBizTypeEnum.PURCHASE_RETURN_CANCEL.getType();
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purchaseReturnItems.forEach(purchaseReturnItem -> {
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BigDecimal count = approve ? purchaseReturnItem.getCount().negate() : purchaseReturnItem.getCount();
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ErpStockRecordCreateReqBO stockRecordBO = new ErpStockRecordCreateReqBO();
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stockRecordBO.setProductId(purchaseReturnItem.getProductId());
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stockRecordBO.setWarehouseId(purchaseReturnItem.getWarehouseId());
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stockRecordBO.setCount(count);
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stockRecordBO.setBizType(bizType);
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stockRecordBO.setBizId(purchaseReturnItem.getReturnId());
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stockRecordBO.setBizItemId(purchaseReturnItem.getId());
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stockRecordBO.setBizNo(purchaseReturn.getNo());
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stockRecordService.createStockRecord(stockRecordBO);
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});
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}
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@Override
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public void updatePurchaseReturnRefundPrice(Long id, BigDecimal refundPrice) {
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ErpPurchaseReturnDO purchaseReturn = purchaseReturnMapper.selectById(id);
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if (purchaseReturn.getRefundPrice().equals(refundPrice)) {
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return;
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}
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if (refundPrice.compareTo(purchaseReturn.getTotalPrice()) > 0) {
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throw exception(PURCHASE_RETURN_FAIL_REFUND_PRICE_EXCEED, refundPrice, purchaseReturn.getTotalPrice());
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}
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purchaseReturnMapper.updateById(new ErpPurchaseReturnDO().setId(id).setRefundPrice(refundPrice));
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}
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private List<ErpPurchaseReturnItemDO> validatePurchaseReturnItems(List<ErpPurchaseReturnSaveReqVO.Item> list) {
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// 1. 校验产品存在
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List<ErpProductDO> productList = productService.validProductList(
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convertSet(list, ErpPurchaseReturnSaveReqVO.Item::getProductId));
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Map<Long, ErpProductDO> productMap = convertMap(productList, ErpProductDO::getId);
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// 2. 转化为 ErpPurchaseReturnItemDO 列表
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return convertList(list, o -> BeanUtils.toBean(o, ErpPurchaseReturnItemDO.class, item -> {
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item.setProductUnitId(productMap.get(item.getProductId()).getUnitId());
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item.setTotalPrice(MoneyUtils.priceMultiply(item.getProductPrice(), item.getCount()));
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if (item.getTotalPrice() == null) {
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return;
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}
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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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private void updatePurchaseReturnItemList(Long id, List<ErpPurchaseReturnItemDO> newList) {
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// 第一步，对比新老数据，获得添加、修改、删除的列表
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List<ErpPurchaseReturnItemDO> oldList = purchaseReturnItemMapper.selectListByReturnId(id);
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List<List<ErpPurchaseReturnItemDO>> diffList = diffList(oldList, newList, // id 不同，就认为是不同的记录
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(oldVal, newVal) -> oldVal.getId().equals(newVal.getId()));
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// 第二步，批量添加、修改、删除
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if (CollUtil.isNotEmpty(diffList.get(0))) {
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diffList.get(0).forEach(o -> o.setReturnId(id));
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purchaseReturnItemMapper.insertBatch(diffList.get(0));
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}
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if (CollUtil.isNotEmpty(diffList.get(1))) {
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purchaseReturnItemMapper.updateBatch(diffList.get(1));
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}
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if (CollUtil.isNotEmpty(diffList.get(2))) {
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purchaseReturnItemMapper.deleteByIds(convertList(diffList.get(2), ErpPurchaseReturnItemDO::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 deletePurchaseReturn(List<Long> ids) {
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// 1. 校验不处于已审批
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List<ErpPurchaseReturnDO> purchaseReturns = purchaseReturnMapper.selectByIds(ids);
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if (CollUtil.isEmpty(purchaseReturns)) {
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return;
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}
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purchaseReturns.forEach(purchaseReturn -> {
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if (ErpAuditStatus.APPROVE.getStatus().equals(purchaseReturn.getStatus())) {
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throw exception(PURCHASE_RETURN_DELETE_FAIL_APPROVE, purchaseReturn.getNo());
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}
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});
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// 2. 遍历删除，并记录操作日志
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purchaseReturns.forEach(purchaseReturn -> {
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// 2.1 删除订单
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purchaseReturnMapper.deleteById(purchaseReturn.getId());
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// 2.2 删除订单项
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purchaseReturnItemMapper.deleteByReturnId(purchaseReturn.getId());
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// 2.3 更新采购订单的出库数量
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updatePurchaseOrderReturnCount(purchaseReturn.getOrderId());
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});
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}
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private ErpPurchaseReturnDO validatePurchaseReturnExists(Long id) {
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ErpPurchaseReturnDO purchaseReturn = purchaseReturnMapper.selectById(id);
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if (purchaseReturn == null) {
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throw exception(PURCHASE_RETURN_NOT_EXISTS);
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}
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return purchaseReturn;
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}
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@Override
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public ErpPurchaseReturnDO getPurchaseReturn(Long id) {
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return purchaseReturnMapper.selectById(id);
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}
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@Override
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public ErpPurchaseReturnDO validatePurchaseReturn(Long id) {
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ErpPurchaseReturnDO purchaseReturn = getPurchaseReturn(id);
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if (ObjectUtil.notEqual(purchaseReturn.getStatus(), ErpAuditStatus.APPROVE.getStatus())) {
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throw exception(PURCHASE_RETURN_NOT_APPROVE);
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}
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return purchaseReturn;
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}
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@Override
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public PageResult<ErpPurchaseReturnDO> getPurchaseReturnPage(ErpPurchaseReturnPageReqVO pageReqVO) {
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return purchaseReturnMapper.selectPage(pageReqVO);
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}
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// ==================== 采购退货项 ====================
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@Override
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public List<ErpPurchaseReturnItemDO> getPurchaseReturnItemListByReturnId(Long returnId) {
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return purchaseReturnItemMapper.selectListByReturnId(returnId);
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}
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@Override
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public List<ErpPurchaseReturnItemDO> getPurchaseReturnItemListByReturnIds(Collection<Long> returnIds) {
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if (CollUtil.isEmpty(returnIds)) {
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return Collections.emptyList();
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}
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return purchaseReturnItemMapper.selectListByReturnIds(returnIds);
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}
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}
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