package cn.iocoder.yudao.module.erp.service.purchase;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.lang.Assert;
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import cn.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.object.BeanUtils;
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import cn.iocoder.yudao.module.erp.controller.admin.purchase.vo.invoice.ErpPurchaseInvoicePageReqVO;
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import cn.iocoder.yudao.module.erp.controller.admin.purchase.vo.invoice.ErpPurchaseInvoiceSaveReqVO;
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import cn.iocoder.yudao.module.erp.dal.dataobject.purchase.ErpPurchaseInvoiceDO;
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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.mysql.finance.ErpFinancePaymentMapper;
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import cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpPurchaseInvoiceMapper;
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import cn.iocoder.yudao.module.erp.dal.redis.no.ErpNoRedisDAO;
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import cn.iocoder.yudao.module.system.api.storage.StorageAttachmentApi;
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import jakarta.annotation.Resource;
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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.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.getSumValue;
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import static cn.iocoder.yudao.module.erp.enums.ErrorCodeConstants.*;
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/**
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* ERP 采购来票 Service 实现类
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*
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* @author 超级管理员
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*/
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@Service
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@Validated
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public class ErpPurchaseInvoiceServiceImpl implements ErpPurchaseInvoiceService {
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/**
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* 来票附件的业务记录类型，对应 {@link cn.iocoder.yudao.module.system.enums.storage.StorageRecordTypeEnum#ERP_PURCHASE_INVOICE}
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*/
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public static final String PURCHASE_INVOICE_RECORD_TYPE = "erp_purchase_invoice";
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@Resource
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private ErpPurchaseInvoiceMapper invoiceMapper;
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@Resource
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private ErpFinancePaymentMapper financePaymentMapper;
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@Resource
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private ErpNoRedisDAO noRedisDAO;
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@Resource
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private ErpPurchaseOrderService purchaseOrderService;
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@Resource
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private StorageAttachmentApi storageAttachmentApi;
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@Override
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@Transactional(rollbackFor = Exception.class)
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public Long createPurchaseInvoice(ErpPurchaseInvoiceSaveReqVO createReqVO) {
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// 1.1 校验关联数据存在
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validateRelationDataExists(createReqVO);
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// 1.2 校验可开票金额超过上限
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validatePurchaseInvoicePriceExceedsLimit(createReqVO);
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// 1.3 生成来票编号
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String no = noRedisDAO.generate(ErpNoRedisDAO.PURCHASE_INVOICE_NO_PREFIX);
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if (invoiceMapper.selectByNo(no) != null) {
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throw exception(PURCHASE_INVOICE_NO_EXISTS);
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}
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// 2.1 插入来票（创建后即为有效状态，无需审核）
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ErpPurchaseInvoiceDO invoice = BeanUtils.toBean(createReqVO, ErpPurchaseInvoiceDO.class).setNo(no);
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invoiceMapper.insert(invoice);
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// 2.2 绑定发票附件
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if (CollUtil.isNotEmpty(createReqVO.getBlobIds())) {
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storageAttachmentApi.bindAttachments("file", PURCHASE_INVOICE_RECORD_TYPE, invoice.getId(), createReqVO.getBlobIds());
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}
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return invoice.getId();
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}
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private void validateRelationDataExists(ErpPurchaseInvoiceSaveReqVO reqVO) {
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// 校验采购订单，必须审核通过
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ErpPurchaseOrderDO purchaseOrder = purchaseOrderService.validatePurchaseOrder(reqVO.getPurchaseOrderId());
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// 校验供应商与采购订单一致（防御脏数据：来票必须属于该采购订单的供应商）
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if (reqVO.getSupplierId() != null && ObjectUtil.notEqual(purchaseOrder.getSupplierId(), reqVO.getSupplierId())) {
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throw exception(PURCHASE_INVOICE_CREATE_FAIL_SUPPLIER_MISMATCH);
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}
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reqVO.setSupplierId(purchaseOrder.getSupplierId()); // 供应商以采购订单为准
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}
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private void validatePurchaseInvoicePriceExceedsLimit(ErpPurchaseInvoiceSaveReqVO reqVO) {
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// 1. 计算剩余可开票金额，不包括 reqVO 自身（所有有效来票都占用额度，防止累计来票超过采购订单金额）
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ErpPurchaseOrderDO purchaseOrder = purchaseOrderService.getPurchaseOrder(reqVO.getPurchaseOrderId());
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List<ErpPurchaseInvoiceDO> invoices = invoiceMapper.selectListByOrderId(reqVO.getPurchaseOrderId());
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if (reqVO.getId() != null) {
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invoices.removeIf(invoice -> ObjectUtil.equal(invoice.getId(), reqVO.getId()));
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}
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BigDecimal remainPrice = purchaseOrder.getTotalPrice().subtract(
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getSumValue(invoices, ErpPurchaseInvoiceDO::getPrice, BigDecimal::add, BigDecimal.ZERO));
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// 2. 校验金额是否超过
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if (reqVO.getPrice().compareTo(remainPrice) > 0) {
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throw exception(PURCHASE_INVOICE_CREATE_FAIL_PRICE_EXCEEDS_LIMIT, remainPrice);
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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 updatePurchaseInvoice(ErpPurchaseInvoiceSaveReqVO updateReqVO) {
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Assert.notNull(updateReqVO.getId(), "来票编号不能为空");
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// 1.1 校验存在
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validatePurchaseInvoiceExists(updateReqVO.getId());
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// 1.2 校验关联数据 + 可开票金额
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validateRelationDataExists(updateReqVO);
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validatePurchaseInvoicePriceExceedsLimit(updateReqVO);
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// 2. 更新来票
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ErpPurchaseInvoiceDO updateObj = BeanUtils.toBean(updateReqVO, ErpPurchaseInvoiceDO.class);
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invoiceMapper.updateById(updateObj);
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// 3. 增量更新发票附件
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storageAttachmentApi.updateAttachments("file", PURCHASE_INVOICE_RECORD_TYPE, updateReqVO.getId(), updateReqVO.getBlobIds());
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void deletePurchaseInvoice(Long id) {
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// 1.1 校验存在
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validatePurchaseInvoiceExists(id);
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// 1.2 已有有效付款单关联的来票，不允许删除（保持来票与付款的关联完整性）
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Map<Long, BigDecimal> paidMap = financePaymentMapper.selectPaymentPriceMapByInvoiceId(List.of(id));
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if (paidMap.getOrDefault(id, BigDecimal.ZERO).compareTo(BigDecimal.ZERO) > 0) {
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throw exception(PURCHASE_INVOICE_DELETE_FAIL_HAS_PAYMENT);
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}
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// 2.1 删除发票附件
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storageAttachmentApi.deleteAttachmentsByRecord(PURCHASE_INVOICE_RECORD_TYPE, id);
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// 2.2 删除来票
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invoiceMapper.deleteById(id);
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}
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private ErpPurchaseInvoiceDO validatePurchaseInvoiceExists(Long id) {
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ErpPurchaseInvoiceDO invoice = invoiceMapper.selectById(id);
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if (invoice == null) {
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throw exception(PURCHASE_INVOICE_NOT_EXISTS);
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}
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return invoice;
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}
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@Override
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public ErpPurchaseInvoiceDO getPurchaseInvoice(Long id) {
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return invoiceMapper.selectById(id);
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}
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@Override
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public List<ErpPurchaseInvoiceDO> getPurchaseInvoiceList(Collection<Long> ids) {
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if (CollUtil.isEmpty(ids)) {
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return List.of();
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}
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return invoiceMapper.selectByIds(ids);
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}
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@Override
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public PageResult<ErpPurchaseInvoiceDO> getPurchaseInvoicePage(ErpPurchaseInvoicePageReqVO pageReqVO) {
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return invoiceMapper.selectPage(pageReqVO);
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}
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@Override
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public List<ErpPurchaseInvoiceDO> getPurchaseInvoiceListByOrderId(Long orderId) {
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return invoiceMapper.selectListByOrderId(orderId);
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}
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@Override
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public List<ErpPurchaseInvoiceDO> getPurchaseInvoiceListBySupplierId(Long supplierId) {
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return invoiceMapper.selectListBySupplierId(supplierId);
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}
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}
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