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package cn.iocoder.yudao.module.srm.service.tender;
 
import cn.iocoder.yudao.framework.common.pojo.PageResult;
import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
import cn.iocoder.yudao.module.srm.controller.admin.tender.vo.SrmTenderMaterialSaveReqVO;
import cn.iocoder.yudao.module.srm.controller.admin.tender.vo.SrmTenderProjectPageReqVO;
import cn.iocoder.yudao.module.srm.controller.admin.tender.vo.SrmTenderProjectSaveReqVO;
import cn.iocoder.yudao.module.srm.dal.dataobject.SrmBidAwardDO;
import cn.iocoder.yudao.module.srm.dal.dataobject.SrmTenderMaterialDO;
import cn.iocoder.yudao.module.srm.dal.dataobject.SrmTenderProjectDO;
import cn.iocoder.yudao.module.srm.dal.mysql.SrmBidAwardMapper;
import cn.iocoder.yudao.module.srm.dal.mysql.SrmTenderMaterialMapper;
import cn.iocoder.yudao.module.srm.dal.mysql.SrmTenderProjectMapper;
import cn.iocoder.yudao.module.srm.enums.ErrorCodeConstants;
import cn.iocoder.yudao.module.srm.enums.TenderStatusEnum;
import cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil;
import jakarta.annotation.Resource;
import org.springframework.stereotype.Service;
import org.springframework.validation.annotation.Validated;
 
import java.util.List;
import java.util.Map;
import java.util.function.Function;
import java.util.stream.Collectors;
 
@Service
@Validated
public class SrmTenderProjectServiceImpl implements SrmTenderProjectService {
 
    @Resource
    private SrmTenderProjectMapper tenderProjectMapper;
    @Resource
    private SrmTenderMaterialMapper tenderMaterialMapper;
    @Resource
    private SrmBidAwardMapper bidAwardMapper;
 
    @Override
    public Long createTenderProject(SrmTenderProjectSaveReqVO createReqVO) {
        SrmTenderProjectDO project = BeanUtils.toBean(createReqVO, SrmTenderProjectDO.class);
        project.setTenderStatus(TenderStatusEnum.DRAFT.getCode());
        tenderProjectMapper.insert(project);
        return project.getId();
    }
 
    @Override
    public void updateTenderProject(SrmTenderProjectSaveReqVO updateReqVO) {
        SrmTenderProjectDO project = validateTenderExists(updateReqVO.getId());
        if (!TenderStatusEnum.DRAFT.getCode().equals(project.getTenderStatus())) {
            throw ServiceExceptionUtil.exception(ErrorCodeConstants.TENDER_STATUS_NOT_DRAFT);
        }
        SrmTenderProjectDO updateObj = BeanUtils.toBean(updateReqVO, SrmTenderProjectDO.class);
        tenderProjectMapper.updateById(updateObj);
    }
 
    @Override
    public void deleteTenderProject(Long id) {
        SrmTenderProjectDO project = validateTenderExists(id);
        if (!TenderStatusEnum.DRAFT.getCode().equals(project.getTenderStatus())) {
            throw ServiceExceptionUtil.exception(ErrorCodeConstants.TENDER_STATUS_NOT_DRAFT);
        }
        tenderMaterialMapper.deleteByTenderProjectId(id);
        tenderProjectMapper.deleteById(id);
    }
 
    @Override
    public SrmTenderProjectDO getTenderProject(Long id) {
        return tenderProjectMapper.selectById(id);
    }
 
    @Override
    public PageResult<SrmTenderProjectDO> getTenderProjectPage(SrmTenderProjectPageReqVO pageReqVO) {
        PageResult<SrmTenderProjectDO> pageResult = tenderProjectMapper.selectPage(pageReqVO);
        // 批量查询定标信息,填充 awardId 和 purchaseOrderNo
        List<Long> projectIds = pageResult.getList().stream()
                .map(SrmTenderProjectDO::getId).collect(Collectors.toList());
        if (!projectIds.isEmpty()) {
            List<SrmBidAwardDO> awards = bidAwardMapper.selectListByTenderProjectIds(projectIds);
            Map<Long, SrmBidAwardDO> awardMap = awards.stream().collect(Collectors.toMap(
                    SrmBidAwardDO::getTenderProjectId, Function.identity(), (a, b) -> a));
            pageResult.getList().forEach(project -> {
                SrmBidAwardDO award = awardMap.get(project.getId());
                if (award != null) {
                    project.setAwardId(award.getId());
                    project.setPurchaseOrderNo(award.getPurchaseOrderNo());
                }
            });
        }
        return pageResult;
    }
 
    @Override
    public void publishTender(Long id) {
        SrmTenderProjectDO project = validateTenderExists(id);
        if (!TenderStatusEnum.DRAFT.getCode().equals(project.getTenderStatus())) {
            throw ServiceExceptionUtil.exception(ErrorCodeConstants.TENDER_STATUS_NOT_DRAFT);
        }
        project.setTenderStatus(TenderStatusEnum.PUBLISHED.getCode());
        tenderProjectMapper.updateById(project);
    }
 
    @Override
    public void closeTender(Long id) {
        SrmTenderProjectDO project = validateTenderExists(id);
        if (TenderStatusEnum.CLOSED.getCode().equals(project.getTenderStatus())) {
            throw ServiceExceptionUtil.exception(ErrorCodeConstants.TENDER_STATUS_ALREADY_CLOSED);
        }
        project.setTenderStatus(TenderStatusEnum.CLOSED.getCode());
        tenderProjectMapper.updateById(project);
    }
 
    @Override
    public void startBidding(Long id) {
        SrmTenderProjectDO project = validateTenderExists(id);
        if (!TenderStatusEnum.PUBLISHED.getCode().equals(project.getTenderStatus())) {
            throw ServiceExceptionUtil.exception(ErrorCodeConstants.TENDER_STATUS_NOT_PUBLISHED);
        }
        project.setTenderStatus(TenderStatusEnum.BIDDING.getCode());
        tenderProjectMapper.updateById(project);
    }
 
    @Override
    public void startEvaluation(Long id) {
        SrmTenderProjectDO project = validateTenderExists(id);
        if (!TenderStatusEnum.BIDDING.getCode().equals(project.getTenderStatus())) {
            throw ServiceExceptionUtil.exception(ErrorCodeConstants.TENDER_STATUS_NOT_BIDDING);
        }
        project.setTenderStatus(TenderStatusEnum.EVALUATING.getCode());
        tenderProjectMapper.updateById(project);
    }
 
    // ========== 物料子表 ==========
 
    @Override
    public void createMaterial(SrmTenderMaterialSaveReqVO createReqVO) {
        SrmTenderMaterialDO material = BeanUtils.toBean(createReqVO, SrmTenderMaterialDO.class);
        tenderMaterialMapper.insert(material);
    }
 
    @Override
    public void updateMaterial(SrmTenderMaterialSaveReqVO updateReqVO) {
        SrmTenderMaterialDO updateObj = BeanUtils.toBean(updateReqVO, SrmTenderMaterialDO.class);
        tenderMaterialMapper.updateById(updateObj);
    }
 
    @Override
    public void deleteMaterial(Long id) {
        tenderMaterialMapper.deleteById(id);
    }
 
    @Override
    public List<SrmTenderMaterialDO> getMaterialList(Long tenderProjectId) {
        return tenderMaterialMapper.selectListByTenderProjectId(tenderProjectId);
    }
 
    private SrmTenderProjectDO validateTenderExists(Long id) {
        SrmTenderProjectDO project = tenderProjectMapper.selectById(id);
        if (project == null) {
            throw ServiceExceptionUtil.exception(ErrorCodeConstants.TENDER_NOT_EXISTS);
        }
        return project;
    }
 
}