sourcecode/server/gateway-api/src/main/java/com/qxgmat/service/inline/CourseTimeService.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.dao.CourseNoMapper;
import com.qxgmat.data.dao.CourseTimeMapper;
import com.qxgmat.data.dao.entity.CourseNo;
import com.qxgmat.data.dao.entity.CourseTime;
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 CourseTimeService extends AbstractService {
    private static final Logger logger = LoggerFactory.getLogger(CourseTimeService.class);

    @Resource
    private CourseTimeMapper courseTimeMapper;

    public Page<CourseTime> listAdmin(int page, int size, Integer courseId, String keyword){
        Example example = new Example(CourseTime.class);
        if(courseId != null){
            example.and(
                    example.createCriteria()
                            .andEqualTo("courseId", courseId)
            );
        }
        if (keyword != null) {
            example.and(
                    example.createCriteria()
                            .orLike("startTime", "%"+keyword+"%")
                            .orLike("endTime", "%"+keyword+"%")
            );
        }
        example.orderBy("startTime").desc();
        return select(courseTimeMapper, example, page, size);
    }

    public CourseTime add(CourseTime course){
        int result = insert(courseTimeMapper, course);
        course = one(courseTimeMapper, course.getId());
        if(course == null){
            throw new SystemException("课时添加失败");
        }
        return course;
    }

    public CourseTime edit(CourseTime course){
        CourseTime in = one(courseTimeMapper, course.getId());
        if(in == null){
            throw new ParameterException("课时不存在");
        }
        int result = update(courseTimeMapper, course);
        return course;
    }

    public boolean delete(Number id){
        CourseTime in = one(courseTimeMapper, id);
        if(in == null){
            throw new ParameterException("课时不存在");
        }
        int result = delete(courseTimeMapper, id);
        return result > 0;
    }

    public CourseTime get(Number id){
        CourseTime in = one(courseTimeMapper, id);

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

    public Page<CourseTime> select(int page, int pageSize){
        return select(courseTimeMapper, page, pageSize);
    }

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

    public List<CourseTime> select(Collection ids){
        return select(courseTimeMapper, ids);
    }

}