package com.ruoyi.business.service.impl;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.ruoyi.basic.entity.CoalField;
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import com.ruoyi.basic.entity.CoalValue;
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import com.ruoyi.basic.mapper.CoalFieldMapper;
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import com.ruoyi.basic.mapper.CoalValueMapper;
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import com.ruoyi.business.dto.OfficialInventoryDto;
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import com.ruoyi.business.entity.OfficialInventory;
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import com.ruoyi.business.mapper.OfficialInventoryMapper;
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import com.ruoyi.business.mapper.PendingInventoryMapper;
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import com.ruoyi.business.service.OfficialInventoryService;
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import com.ruoyi.common.utils.bean.BeanUtils;
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import lombok.RequiredArgsConstructor;
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import org.springframework.stereotype.Service;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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/**
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* <p>
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* 正式库存表 服务实现类
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* </p>
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*
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* @author ruoyi
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* @since 2025-06-04
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*/
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@Service
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@RequiredArgsConstructor
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public class OfficialInventoryServiceImpl extends ServiceImpl<OfficialInventoryMapper, OfficialInventory> implements OfficialInventoryService {
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private final OfficialInventoryMapper officialInventoryMapper;
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private final CoalValueMapper coalValueMapper;
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private final CoalFieldMapper coalFieldMapper;
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private final PendingInventoryMapper pendingInventoryMapper;
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@Override
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public IPage<OfficialInventoryDto> selectOfficialInventoryList(Page page, OfficialInventoryDto officialInventoryDto) {
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// 先查出原始数据（OfficialInventory）
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LambdaQueryWrapper<OfficialInventory> queryWrapper = new LambdaQueryWrapper<>();
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IPage<OfficialInventory> entityPage = officialInventoryMapper.selectPage(page, queryWrapper);
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// 创建一个新的 Dto 分页结果
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IPage<OfficialInventoryDto> dtoPage = new Page<>();
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BeanUtils.copyProperties(entityPage, dtoPage);
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List<OfficialInventoryDto> dtoList = new ArrayList<>();
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// 查询所有可用字段（CoalField）
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List<CoalField> coalFields = coalFieldMapper.selectList(null);
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List<String> allFieldNames = coalFields.stream()
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.map(CoalField::getFields)
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.distinct()
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.collect(Collectors.toList());
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// 遍历每条记录，进行转换并填充 fields
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for (OfficialInventory entity : entityPage.getRecords()) {
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OfficialInventoryDto dto = new OfficialInventoryDto();
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BeanUtils.copyProperties(entity, dto);
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Long pendingId = entity.getPendingId();
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// 查询该 pendingId 对应的 CoalValue 数据
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List<CoalValue> coalValues = coalValueMapper.selectList(
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new LambdaQueryWrapper<CoalValue>().eq(CoalValue::getPlanId, pendingId)
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);
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// 构建 Map<fieldName, value>
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Map<String, String> fieldValueMap = coalValues.stream()
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.collect(Collectors.toMap(
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CoalValue::getFields,
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CoalValue::getCoalValue,
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(existing, replacement) -> existing // 重复字段保留第一个
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));
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// 构造最终 fields 列表，包含所有字段名，并设置默认值 "-"
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List<Map<String, String>> fields = new ArrayList<>();
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for (String field : allFieldNames) {
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Map<String, String> fieldMap = new HashMap<>();
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fieldMap.put(field, fieldValueMap.getOrDefault(field, "-"));
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fields.add(fieldMap);
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}
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// 设置到 DTO 中
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dto.setFields(fields);
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dtoList.add(dto);
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}
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dtoPage.setRecords(dtoList); // 设置转换后的 DtoList
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return dtoPage;
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}
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}
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