content: package org.ruoyi.generator.impl;
  
  import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
  import com.baomidou.mybatisplus.core.toolkit.Wrappers;
  import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
  import lombok.RequiredArgsConstructor;
  import org.ruoyi.common.core.utils.MapstructUtils;
  import org.ruoyi.common.core.utils.StringUtils;
  import org.ruoyi.core.page.PageQuery;
  import org.ruoyi.core.page.TableDataInfo;
  import org.ruoyi.generator.domain.SchemaGroup;
  import org.ruoyi.generator.domain.vo.SchemaGroupVo;
  import org.ruoyi.generator.event.SchemaDeletedEvent;
  import org.ruoyi.generator.service.SchemaGroupService;
  import org.ruoyi.generator.service.SchemaService;
  import org.ruoyi.generator.domain.Schema;
  import org.ruoyi.generator.domain.bo.SchemaBo;
  import org.ruoyi.generator.domain.vo.SchemaVo;
  import org.ruoyi.generator.event.SchemaAddedEvent;
  import org.ruoyi.generator.mapper.SchemaMapper;
  import org.springframework.context.ApplicationEventPublisher;
  import org.springframework.stereotype.Service;
  
  import java.util.Collection;
  import java.util.List;
  import java.util.Objects;
  import java.util.Optional;
  
  /**
   * 数据模型Service业务层处理
   *
   * @author ruoyi
   */
  @RequiredArgsConstructor
  @Service
  public class SchemaServiceImpl implements SchemaService {
  
      private final SchemaMapper baseMapper;
      private final SchemaGroupService schemaGroupService;
      private final ApplicationEventPublisher eventPublisher;
  
      /**
       * 查询数据模型
       */
      @Override
      public SchemaVo queryById(Long id) {
          return baseMapper.selectVoById(id);
      }
  
      /**
       * 查询数据模型列表
       */
      @Override
      public TableDataInfo<SchemaVo> queryPageList(SchemaBo bo, PageQuery pageQuery) {
          LambdaQueryWrapper<Schema> lqw = buildQueryWrapper(bo);
          Page<SchemaVo> result = baseMapper.selectVoPage(pageQuery.build(), lqw);
          return TableDataInfo.build(result);
      }
  
      /**
       * 查询数据模型列表
       */
      @Override
      public List<SchemaVo> queryList(SchemaBo bo) {
          LambdaQueryWrapper<Schema> lqw = buildQueryWrapper(bo);
          return baseMapper.selectVoList(lqw);
      }
  
      private LambdaQueryWrapper<Schema> buildQueryWrapper(SchemaBo bo) {
          LambdaQueryWrapper<Schema> lqw = Wrappers.lambdaQuery();
          lqw.eq(bo.getSchemaGroupId() != null, Schema::getSchemaGroupId, bo.getSchemaGroupId());
          lqw.like(StringUtils.isNotBlank(bo.getName()), Schema::getName, bo.getName());
          lqw.eq(StringUtils.isNotBlank(bo.getTableName()), Schema::getTableName, bo.getTableName());
          return lqw;
      }
  
      /**
       * 新增数据模型
       */
      @Override
      public Boolean insertByBo(SchemaBo bo) {
          Schema schema = MapstructUtils.convert(bo, Schema.class);
          Long schemaGroupId = bo.getSchemaGroupId();
          SchemaGroupVo schemaGroupVo = schemaGroupService.queryById(schemaGroupId);
          if (Objects.nonNull(schemaGroupVo)) {
              schema.setCode(schemaGroupVo.getCode());
          }
          boolean flag = baseMapper.insert(schema) > 0;
          if (flag) {
              bo.setId(schema.getId());
              // 发布数据模型添加事件，由事件监听器处理字段插入
              if (StringUtils.isNotBlank(bo.getTableName())) {
                  eventPublisher.publishEvent(new SchemaAddedEvent(this, schema.getId(), bo.getTableName()));
              }
          }
          return flag;
      }
  
      /**
       * 修改数据模型
       */
      @Override
      public Boolean updateByBo(SchemaBo bo) {
          Schema update = MapstructUtils.convert(bo, Schema.class);
          return baseMapper.updateById(update) > 0;
      }
  
      /**
       * 批量删除数据模型
       */
      @Override
      public Boolean deleteWithValidByIds(Collection<Long> ids, Boolean isValid) {
          if (isValid) {
              //TODO 做一些业务上的校验,判断是否需要校验
          }
          baseMapper.deleteBatchIds(ids);
          eventPublisher.publishEvent(new SchemaDeletedEvent(this, ids));
          return true;
      }
  
      /**
       * 根据表名查询数据模型
       */
      @Override
      public SchemaVo queryByTableName(String tableName) {
          LambdaQueryWrapper<Schema> lqw = Wrappers.lambdaQuery();
          lqw.eq(Schema::getTableName, tableName);
          return baseMapper.selectVoOne(lqw);
      }
  }