sourcecode/server/gateway-api/src/main/java/com/qxgmat/service/inline/SentencePaperService.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.logic.SentenceLogic;
import com.qxgmat.data.dao.SentencePaperMapper;
import com.qxgmat.data.dao.entity.SentencePaper;
import com.qxgmat.data.dao.entity.SentenceQuestion;
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 SentencePaperService extends AbstractService {
    private static final Logger logger = LoggerFactory.getLogger(SentencePaperService.class);

    final static String formatSet = "FIND_IN_SET('%d', question_no_ids)";

    @Resource
    private SentencePaperMapper sentencePaperMapper;

    /**
     * 切换paper状态
     * @param ids
     * @param status
     */
    public void updatePaper(Collection ids, Integer status){
        Example example = new Example(SentencePaper.class);
        example.and(
                example.createCriteria()
                .andIn("id", ids)
        );
        update(sentencePaperMapper, example, SentencePaper.builder().status(status).build());
    }

    /**
     * 获取可用的试卷列表：单个分组逻辑
     * @param logic
     * @return
     */
    public List<SentencePaper> listByLogic(SentenceLogic logic){
        Example example = new Example(SentencePaper.class);
        example.and(
                example.createCriteria()
                        .andEqualTo("logic", logic.key)
                        .andEqualTo("status", 1)
        );
        example.orderBy("no").asc();
        return select(sentencePaperMapper, example);
    }

    /**
     * 按序号获取组卷
     * @param no
     * @param logic
     * @return
     */
    public SentencePaper getByNo(Integer no, SentenceLogic logic){
        Example example = new Example(SentencePaper.class);
        example.and(
                example.createCriteria()
                        .andEqualTo("no", no)
                        .andEqualTo("logic", logic.key)
        );
        return one(sentencePaperMapper, example);
    }

    /**
     * 生成试卷名称
     * @param prefixTitle
     * @param no
     * @param questionNumber
     * @return
     */
    public String generateTitle(String prefixTitle, Integer length, Integer no, Integer questionNumber){
        return String.format("%s#%d~%d", prefixTitle, (no - 1) * length + 1, (no - 1) * length + questionNumber);
    }

    public SentencePaper getLast(SentenceLogic logic){
        Example example = new Example(SentencePaper.class);
        example.and(
                example.createCriteria()
                        .andEqualTo("logic", logic.key)
        );
        example.orderBy("createTime").desc();
        return one(sentencePaperMapper, example);
    }

    public List<SentencePaper> listByQuestion(SentenceQuestion question, SentenceLogic logic){
        Example example = new Example(SentencePaper.class);
        example.and(
                example.createCriteria()
                        .andCondition(String.format(formatSet, question.getId()))
        );
        if (logic != null)
            example.and(
                    example.createCriteria()
                        .andEqualTo("logic", logic.key)
            );
        return select(sentencePaperMapper, example);
    }

    public SentencePaper add(SentencePaper paper){
        int result = insert(sentencePaperMapper, paper);
        paper = one(sentencePaperMapper, paper.getId());
        if(paper == null){
            throw new SystemException("题目添加失败");
        }
        return paper;
    }

    public SentencePaper edit(SentencePaper paper){
        SentencePaper in = one(sentencePaperMapper, paper.getId());
        if(in == null){
            throw new ParameterException("题目不存在");
        }
        int result = update(sentencePaperMapper, paper);
        return paper;
    }

    public boolean delete(Number id){
        SentencePaper in = one(sentencePaperMapper, id);
        if(in == null){
            throw new ParameterException("题目不存在");
        }
        int result = delete(sentencePaperMapper, id);
        return result > 0;
    }

    public SentencePaper get(Number id){
        SentencePaper in = one(sentencePaperMapper, id);

        if(in == null){
            throw new ParameterException("题目不存在");
        }
        return in;
    }

    public Page<SentencePaper> select(int page, int pageSize){
        return select(sentencePaperMapper, page, pageSize);
    }

    public List<SentencePaper> select(Collection ids){
        return select(sentencePaperMapper, ids);
    }

}