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

package com.qxgmat.service.inline;

import com.github.pagehelper.Page;
import com.nuliji.tools.AbstractService;
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.ExperienceDayRange;
import com.qxgmat.data.constants.enums.ExperienceScoreRange;
import com.qxgmat.data.constants.enums.status.DirectionStatus;
import com.qxgmat.data.constants.enums.user.DataType;
import com.qxgmat.data.dao.CourseDataMapper;
import com.qxgmat.data.dao.CourseExperienceMapper;
import com.qxgmat.data.dao.entity.CourseData;
import com.qxgmat.data.dao.entity.CourseExperience;
import com.qxgmat.data.dao.entity.User;
import com.qxgmat.data.relation.CourseExperienceRelationMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;

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

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

    @Resource
    private CourseExperienceMapper courseExperienceMapper;

    @Resource
    private CourseExperienceRelationMapper courseExperienceRelationMapper;

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

    public Page<CourseExperience> listWithUser(int page, int size, Integer userId, String startTime, String endTime, 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<CourseExperience> p = page(
                ()-> courseExperienceRelationMapper.listWithUser(userId, startTime, endTime, finalOrder, finalDirection.key)
                , page, size);

        Collection ids = Transform.getIds(p, CourseExperience.class, "id");
        Transform.replace(p, select(ids), CourseExperience.class, "id");
        return p;
    }

    public Page<CourseExperience> listAdmin(int page, int size, Integer userId, String keyword, String prepareStatus, ExperienceScoreRange experienceScore, ExperienceDayRange experienceDay, String experiencePercent, String order, DirectionStatus direction){
        Example example = new Example(CourseExperience.class);
        if(userId != null){
            example.and(
                    example.createCriteria()
                    .andEqualTo("userId", userId)
            );
        }
        if(keyword != null){
            example.and(
                    example.createCriteria()
                    .orLike("title", "%"+keyword+"%")
                    .orLike("content", "%"+keyword+"%")
            );
        }
        if (prepareStatus != null){
            example.and(
                    example.createCriteria()
                        .andEqualTo("prepareStatus", prepareStatus)
            );
        }
        if (experienceScore != null){
            example.and(
                    example.createCriteria()
                        .andGreaterThanOrEqualTo("experienceScore", experienceScore.min)
                        .andLessThan("experienceScore", experienceScore.max)
            );
        }
        if (experienceDay != null){
            example.and(
                    example.createCriteria()
                            .andGreaterThanOrEqualTo("experienceDay", experienceDay.min)
                            .andLessThan("experienceDay", experienceDay.max)
            );
        }
        if (experiencePercent != null){
            example.and(
                    example.createCriteria()
                            .andEqualTo("experiencePercent", experiencePercent)
            );
        }
        if(order == null || order.isEmpty()) order = "id";
        switch(direction){
            case ASC:
                example.orderBy(order).asc();
                break;
            case DESC:
            default:
                example.orderBy(order).desc();
        }
        return select(courseExperienceMapper, example, page, size);
    }

    public Page<CourseExperience> list(int page, int size,String prepareStatus, ExperienceScoreRange experienceScore, ExperienceDayRange experienceDay, String experiencePercent, String order, DirectionStatus direction){
        Example example = new Example(CourseExperience.class);
        if(prepareStatus != null){
            example.and(
                    example.createCriteria()
                            .andEqualTo("prepareStatus", prepareStatus)
            );
        }
        if(experienceDay != null){
            example.and(
                    example.createCriteria()
                            .andGreaterThanOrEqualTo("experienceDay", experienceDay.min)
                            .andLessThan("experienceDay", experienceDay.max)
            );
        }
        if(experienceScore != null){
            example.and(
                    example.createCriteria()
                            .andGreaterThanOrEqualTo("experienceScore", experienceScore.min)
                            .andLessThan("experienceScore", experienceScore.max)
            );
        }
        if(experiencePercent != null){
            example.and(
                    example.createCriteria()
                            .andEqualTo("experiencePercent", experiencePercent)
            );
        }
        if(order == null || order.isEmpty()) order = "id";
        switch(direction){
            case ASC:
                example.orderBy(order).asc();
                break;
            case DESC:
            default:
                example.orderBy(order).desc();
        }
        return select(courseExperienceMapper, example, page, size);
    }


    /**
     * 累加收藏记录，访问记录
     * @param view
     * @param collect
     */
    public void accumulation(Integer experienceId, int view, int collect){
        courseExperienceRelationMapper.accumulation(experienceId, view, collect);
    }

    /**
     * 替换comment的用户信息为真实用户信息
     * @param experiences
     * @param users
     */
    public void replaceUser(List<CourseExperience> experiences, List<User> users){
        Map userMap = Transform.getMap(users, User.class, "id");
        for(CourseExperience experience : experiences){
            if (experience.getUserId() == 0) {
                continue;
            }
            User user = (User)userMap.get(experience.getUserId());
            if (user == null){
                continue;
            }
            experience.setNickname(user.getNickname());
        }
    }

    public CourseExperience add(CourseExperience courseData){
        int result = insert(courseExperienceMapper, courseData);
        courseData = one(courseExperienceMapper, courseData.getId());
        if(courseData == null){
            throw new SystemException("心经添加失败");
        }
        return courseData;
    }

    public CourseExperience edit(CourseExperience courseData){
        CourseExperience in = one(courseExperienceMapper, courseData.getId());
        if(in == null){
            throw new ParameterException("心经不存在");
        }
        int result = update(courseExperienceMapper, courseData);
        return courseData;
    }

    public boolean delete(Number id){
        CourseExperience in = one(courseExperienceMapper, id);
        if(in == null){
            throw new ParameterException("心经不存在");
        }
        int result = delete(courseExperienceMapper, id);
        return result > 0;
    }

    public CourseExperience get(Number id){
        CourseExperience in = one(courseExperienceMapper, id);

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

    public Page<CourseExperience> select(int page, int pageSize){
        return select(courseExperienceMapper, page, pageSize);
    }

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

    public List<CourseExperience> select(Collection ids){
        return select(courseExperienceMapper, ids);
    }

}