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package cn.iocoder.yudao.module.mes.api.itemreceipt;
 
import cn.hutool.core.collection.CollUtil;
import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
import cn.iocoder.yudao.module.mes.api.itemreceipt.dto.MesWmItemReceiptLineRespDTO;
import cn.iocoder.yudao.module.mes.api.itemreceipt.dto.MesWmItemReceiptRespDTO;
import cn.iocoder.yudao.module.mes.dal.dataobject.wm.itemreceipt.MesWmItemReceiptDO;
import cn.iocoder.yudao.module.mes.dal.dataobject.wm.itemreceipt.MesWmItemReceiptLineDO;
import cn.iocoder.yudao.module.mes.dal.mysql.wm.itemreceipt.MesWmItemReceiptLineMapper;
import cn.iocoder.yudao.module.mes.dal.mysql.wm.itemreceipt.MesWmItemReceiptMapper;
import jakarta.annotation.Resource;
import org.springframework.stereotype.Service;
 
import java.math.BigDecimal;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
 
/**
 * MES 采购入库单 API 实现类
 */
@Service
public class MesWmItemReceiptApiImpl implements MesWmItemReceiptApi {
 
    @Resource
    private MesWmItemReceiptMapper itemReceiptMapper;
    @Resource
    private MesWmItemReceiptLineMapper itemReceiptLineMapper;
 
    @Override
    public List<MesWmItemReceiptRespDTO> getItemReceiptListByPurchaseOrderId(Long purchaseOrderId) {
        if (purchaseOrderId == null) {
            return List.of();
        }
        List<MesWmItemReceiptDO> receipts = itemReceiptMapper.selectListByPurchaseOrderId(purchaseOrderId);
        if (CollUtil.isEmpty(receipts)) {
            return List.of();
        }
        Map<Long, List<MesWmItemReceiptLineDO>> lineMap = itemReceiptLineMapper
                .selectListByReceiptIds(receipts.stream().map(MesWmItemReceiptDO::getId).toList())
                .stream().collect(Collectors.groupingBy(MesWmItemReceiptLineDO::getReceiptId));
        return receipts.stream()
                .map(receipt -> convert(receipt, lineMap.getOrDefault(receipt.getId(), List.of())))
                .toList();
    }
 
    @Override
    public MesWmItemReceiptRespDTO getItemReceipt(Long id) {
        MesWmItemReceiptDO receipt = itemReceiptMapper.selectById(id);
        if (receipt == null) {
            return null;
        }
        return convert(receipt, itemReceiptLineMapper.selectListByReceiptId(id));
    }
 
    private MesWmItemReceiptRespDTO convert(MesWmItemReceiptDO receipt, List<MesWmItemReceiptLineDO> lines) {
        MesWmItemReceiptRespDTO resp = BeanUtils.toBean(receipt, MesWmItemReceiptRespDTO.class);
        List<MesWmItemReceiptLineRespDTO> lineResps = BeanUtils.toBean(lines, MesWmItemReceiptLineRespDTO.class);
        resp.setLines(lineResps);
        resp.setTotalPrice(lineResps.stream()
                .map(line -> line.getTotalPrice() != null ? line.getTotalPrice() : calcLineAmount(line))
                .filter(amount -> amount != null)
                .reduce(BigDecimal.ZERO, BigDecimal::add));
        return resp;
    }
 
    private BigDecimal calcLineAmount(MesWmItemReceiptLineRespDTO line) {
        if (line.getPrice() == null || line.getReceivedQuantity() == null) {
            return null;
        }
        return line.getPrice().multiply(line.getReceivedQuantity());
    }
 
}