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

package com.qxgmat.service.inline;

import com.github.pagehelper.Page;
import com.nuliji.tools.AbstractService;
import com.nuliji.tools.PageResult;
import com.nuliji.tools.Tools;
import com.nuliji.tools.Transform;
import com.nuliji.tools.exception.ParameterException;
import com.nuliji.tools.exception.SystemException;
import com.nuliji.tools.mybatis.Example;
import com.qxgmat.data.constants.enums.QuestionType;
import com.qxgmat.data.constants.enums.module.CourseModule;
import com.qxgmat.data.constants.enums.module.PaperModule;
import com.qxgmat.data.constants.enums.module.PaperOrigin;
import com.qxgmat.data.constants.enums.module.QuestionModule;
import com.qxgmat.data.constants.enums.status.DirectionStatus;
import com.qxgmat.data.constants.enums.status.PreviewStatus;
import com.qxgmat.data.dao.PreviewPaperMapper;
import com.qxgmat.data.dao.entity.PreviewPaper;
import com.qxgmat.data.dao.entity.UserPaper;
import com.qxgmat.data.dao.entity.UserReport;
import com.qxgmat.data.relation.PreviewPaperRelationMapper;
import com.qxgmat.data.relation.UserPaperRelationMapper;
import com.qxgmat.data.relation.UserReportRelationMapper;
import com.qxgmat.data.relation.entity.UserPreviewPaperRelation;
import com.qxgmat.service.UserPaperService;
import com.qxgmat.service.extend.ToolsService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

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

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

    @Resource
    private PreviewPaperMapper previewPaperMapper;

    @Resource
    private PreviewPaperRelationMapper previewPaperRelationMapper;

    private Map<String, String> adminMap = new HashMap<String, String>(){{
        put("", "pp");
    }};

    public Page<PreviewPaper> listAdmin(int page, int size, CourseModule courseModule, QuestionType questionType, Integer structId, Integer courseId, String order, DirectionStatus direction){
        if(order == null || order.isEmpty()){
            order = "id";
        }
        if(adminMap.containsKey(order)){
            order = adminMap.get(order)+".`"+Tools.underscoreName(order)+"`";
        }else{
            order = adminMap.get("")+".`"+Tools.underscoreName(order)+"`";
        }
        if (direction == null){
            direction = DirectionStatus.DESC;
        }
        String finalOrder = order;
        DirectionStatus finalDirection = direction;
        Page<PreviewPaper> p = page(() -> {
            previewPaperRelationMapper.listAdmin(courseModule != null ? courseModule.key : null, questionType != null ? questionType.key : null, structId, courseId, finalOrder, finalDirection.key);
        }, page, size);

        Collection ids = Transform.getIds(p, PreviewPaper.class, "id");

        // 获取详细数据
        List<PreviewPaper> list = select(ids);
        Transform.replace(p, list, PreviewPaper.class, "id");
        return p;
    }

    public PreviewPaper addCourseNo(PreviewPaper previewPaper){
        Example example = new Example(PreviewPaper.class);
        example.and(
                example.createCriteria()
                        .andEqualTo("courseId", previewPaper.getCourseId())
                        .andEqualTo("courseNo", previewPaper.getCourseNo())
        );
        PreviewPaper in = one(previewPaperMapper, example);
        if (in != null){
            throw new ParameterException("该课时已经创建");
        }
        return add(previewPaper);
    }

    public boolean removeCourseNo(Integer courseId, Integer no){
        Example example = new Example(PreviewPaper.class);
        example.and(
                example.createCriteria()
                        .andEqualTo("courseId", courseId)
                        .andEqualTo("courseNo", no)
        );
        return delete(previewPaperMapper, example) > 0;
    }

    public PreviewPaper add(PreviewPaper paper){
        int result = insert(previewPaperMapper, paper);
        paper = one(previewPaperMapper, paper.getId());
        if(paper == null){
            throw new SystemException("预习作业添加失败");
        }
        return paper;
    }

    public PreviewPaper edit(PreviewPaper paper){
        PreviewPaper in = one(previewPaperMapper, paper.getId());
        if(in == null){
            throw new ParameterException("预习作业不存在");
        }
        int result = update(previewPaperMapper, paper);
        return paper;
    }

    public boolean delete(Number id){
        PreviewPaper in = one(previewPaperMapper, id);
        if(in == null){
            throw new ParameterException("预习作业不存在");
        }
        int result = delete(previewPaperMapper, id);
        return result > 0;
    }

    public PreviewPaper get(Number id){
        PreviewPaper in = one(previewPaperMapper, id);

        if(in == null){
            throw new ParameterException("预习作业不存在");
        }
        return in;
    }

    public Page<PreviewPaper> select(int page, int pageSize){
        return select(previewPaperMapper, page, pageSize);
    }

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

    public List<PreviewPaper> select(Collection ids){
        return select(previewPaperMapper, ids);
    }

}