sourcecode/server/gateway-api/src/main/java/com/qxgmat/service/inline/ReadyArticleCategoryService.java

package com.qxgmat.service.inline;

import com.github.pagehelper.Page;
import com.nuliji.tools.AbstractService;
import com.nuliji.tools.exception.ParameterException;
import com.nuliji.tools.exception.SystemException;
import com.nuliji.tools.mybatis.Example;
import com.qxgmat.data.constants.enums.status.DirectionStatus;
import com.qxgmat.data.dao.ReadyArticleCategoryMapper;
import com.qxgmat.data.dao.ReadyArticleMapper;
import com.qxgmat.data.dao.entity.ReadyArticle;
import com.qxgmat.data.dao.entity.ReadyArticleCategory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.Collection;
import java.util.List;

@Service
public class ReadyArticleCategoryService extends AbstractService {
    private static final Logger logger = LoggerFactory.getLogger(ReadyArticleCategoryService.class);

    @Resource
    private ReadyArticleCategoryMapper readyArticleCategoryMapper;

    public List<ReadyArticleCategory> all(){
        Example example = new Example(ReadyArticleCategory.class);
        example.setOrderByClause("id asc");
        return select(readyArticleCategoryMapper);
    }

    public ReadyArticleCategory getCategory(String title, Integer parentId){
        Example example = new Example(ReadyArticleCategory.class);
        example.and(
                example.createCriteria()
                        .andEqualTo("title", title)
                        .andEqualTo("parentId", parentId)
        );
        return one(readyArticleCategoryMapper, example);
    }

    public ReadyArticleCategory addCategory(String title, Integer parentId){
        ReadyArticleCategory in = getCategory(title, parentId);
        if (in == null){
            return add(ReadyArticleCategory.builder()
                    .parentId(parentId)
                    .title(title)
                    .build());
        }
        return in;
    }

    public ReadyArticleCategory add(ReadyArticleCategory entity){
        int result = insert(readyArticleCategoryMapper, entity);
        entity = one(readyArticleCategoryMapper, entity.getId());
        if(entity == null){
            throw new SystemException("文章分类添加失败");
        }
        return entity;
    }

    public ReadyArticleCategory edit(ReadyArticleCategory entity){
        ReadyArticleCategory in = one(readyArticleCategoryMapper, entity.getId());
        if(in == null){
            throw new ParameterException("文章分类不存在");
        }
        int result = update(readyArticleCategoryMapper, entity);
        return entity;
    }

    public boolean delete(Number id){
        ReadyArticleCategory in = one(readyArticleCategoryMapper, id);
        if(in == null){
            throw new ParameterException("文章分类不存在");
        }
        int result = delete(readyArticleCategoryMapper, id);
        return result > 0;
    }

    public ReadyArticleCategory get(Number id){
        ReadyArticleCategory in = one(readyArticleCategoryMapper, id);

        if(in == null){
            throw new ParameterException("文章分类不存在");
        }
        return in;
    }

    public Page<ReadyArticleCategory> select(int page, int pageSize){
        return select(readyArticleCategoryMapper, page, pageSize);
    }

    public Page<ReadyArticleCategory> select(Integer[] ids){
        return page(()->select(readyArticleCategoryMapper, ids), 1, ids.length);
    }

    public List<ReadyArticleCategory> select(Collection ids){
        return select(readyArticleCategoryMapper, ids);
    }

}