sourcecode/server/gateway-api/src/main/java/com/qxgmat/service/inline/TextbookPaperService.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.TextbookLogic;
import com.qxgmat.data.dao.TextbookPaperMapper;
import com.qxgmat.data.dao.entity.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.*;

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

    @Resource
    private TextbookPaperMapper textbookPaperMapper;

    /**
     * 更新所有组卷title
     * @param libraryId
     * @param prefixTitle
     */
    public void updateTitle(Integer libraryId, String prefixTitle, Integer length){
        Example example = new Example(TextbookLibrary.class);
        example.and(
                example.createCriteria()
                .andEqualTo("libraryId", libraryId)
        );
        List<TextbookPaper> paperList = select(textbookPaperMapper, example);
        for(TextbookPaper paper : paperList){
            paper.setTitle(generateTitle(prefixTitle, length, paper.getNo(), paper.getQuestionNumber()));
            edit(paper);
        }
    }

    /**
     * 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);
    }

    /**
     * 管理后台查询列表
     * @param page
     * @param keyword
     * @return
     */
    public Page<TextbookPaper> listAdmin(int page, int size, String keyword){
        Example example = new Example(TextbookLibrary.class);
        if(keyword != null)
            example.and(
                    example.createCriteria()
                            .orLike("title", "%"+keyword+"%")
            );
        example.orderBy("id").desc();
        return page(()->select(textbookPaperMapper, example), page, size);
    }

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

    public List<TextbookPaper> listByQuestion(TextbookQuestion question){
        Example example = new Example(SentencePaper.class);
        example.and(
                example.createCriteria()
                        .andCondition(String.format(formatSet, question.getId(), "question_no_ids"))
        );
        return select(textbookPaperMapper, example);
    }

    public TextbookPaper getLastBySet(TextbookLogic logic, Integer setId){
        Example example = new Example(TextbookPaper.class);
        example.and(
                example.createCriteria()
                        .andEqualTo("logic", logic.key)
                        .andEqualTo("setId", setId)
        );
        example.orderBy("createTime").desc();
        return one(textbookPaperMapper, example);
    }

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

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

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

    public TextbookPaper get(Number id){
        TextbookPaper in = one(textbookPaperMapper, id);

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

    public Page<TextbookPaper> select(int page, int pageSize){
        return select(textbookPaperMapper, page, pageSize);
    }


    public Page<TextbookPaper> select(int page, int pageSize, String keyword){
        Example example = new Example(TextbookPaper.class);
        example.and(
                example.createCriteria()
                        .andEqualTo("status", 1)
        );
        if (keyword != null)
            example.and(
                    example.createCriteria()
                            .andLike("title", "%"+keyword+"%")
            );
        return select(textbookPaperMapper, example, page, pageSize);
    }

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

    public List<TextbookPaper> select(Collection ids){
        return select(textbookPaperMapper, ids);
    }

}