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@ -3,32 +3,26 @@ package com.teaching.backend.service.impl.favour; |
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import cn.hutool.core.collection.CollUtil; |
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import com.baomidou.mybatisplus.core.conditions.Wrapper; |
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; |
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import com.baomidou.mybatisplus.core.metadata.IPage; |
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page; |
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; |
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import com.teaching.backend.common.BaseResponse; |
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import com.teaching.backend.common.ErrorCode; |
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import com.teaching.backend.common.ResultUtils; |
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import com.teaching.backend.exception.BusinessException; |
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import com.teaching.backend.mapper.courses.CoursesMapper; |
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import com.teaching.backend.mapper.favour.SeCourseFavourMapper; |
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import com.teaching.backend.model.dto.favour.courseFavour.CourseFavourQueryRequest; |
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import com.teaching.backend.model.entity.courses.Courses; |
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import com.teaching.backend.model.entity.favour.SeCourseFavour; |
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import com.teaching.backend.model.entity.favour.SeKnowFavour; |
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import com.teaching.backend.model.entity.favour.SeResourceFavour; |
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import com.teaching.backend.model.vo.CoursesVO; |
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import com.teaching.backend.model.vo.favour.CourseFavourDetailVO; |
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import com.teaching.backend.service.courses.ICoursesService; |
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import com.teaching.backend.service.favour.SeCourseFavourService; |
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import com.teaching.backend.service.favour.SeKnowFavourService; |
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import com.teaching.backend.service.favour.SeResourceFavourService; |
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import org.springframework.beans.BeanUtils; |
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import org.springframework.beans.factory.annotation.Autowired; |
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import org.springframework.stereotype.Service; |
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import org.springframework.web.bind.annotation.PostMapping; |
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import org.springframework.web.bind.annotation.RequestBody; |
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import javax.annotation.Resource; |
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import java.util.ArrayList; |
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@ -53,27 +47,36 @@ public class SeCourseFavourServiceImpl extends ServiceImpl<SeCourseFavourMapper, |
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@Resource |
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SeKnowFavourService seKnowFavourService; |
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@Autowired |
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CoursesMapper coursesMapper; |
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@Autowired |
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ICoursesService coursesService; |
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@Override |
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public boolean doCourseFavour(String courseId, String userId) { |
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public BaseResponse<Boolean> doCourseFavour(String courseId, String userId) { |
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System.out.println("进入点赞" + courseId + userId); |
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// todo 先查询数据库记录，该用户是否点赞
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//从数据库中校验是否存在courseid
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Courses courses = coursesMapper.selectById(courseId); |
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boolean result = false; |
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if(courses == null){ |
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return ResultUtils.error(ErrorCode.NOT_FOUND_ERROR,"课程不存在"); |
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} |
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//查询数据库记录，该用户是否点赞
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SeCourseFavour seCourseFavour = new SeCourseFavour(); |
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seCourseFavour.setCourseId(courseId); |
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seCourseFavour.setUserId(userId); |
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QueryWrapper<SeCourseFavour> favourQueryWrapper = new QueryWrapper<>(seCourseFavour); |
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SeCourseFavour oldSeCourseFavour = this.getOne(favourQueryWrapper); |
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boolean result = false; |
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//已点赞
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if (oldSeCourseFavour != null) { |
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// 取消点赞 删除记录
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result = this.remove(favourQueryWrapper); |
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if (result) { |
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System.out.println("取消点赞成功"); |
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return result; |
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return ResultUtils.success(result); |
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} else { |
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throw new BusinessException(ErrorCode.SYSTEM_ERROR); |
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} |
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@ -89,27 +92,27 @@ public class SeCourseFavourServiceImpl extends ServiceImpl<SeCourseFavourMapper, |
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} finally { |
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lock.unlock(); |
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System.out.println("点赞成功"); |
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return result; |
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return ResultUtils.success(result); |
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} |
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} |
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} |
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@Override |
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public long favourCount(String courseId) { |
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System.out.println("进入课程点赞统计" + courseId); |
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public BaseResponse<Long>favourCount(String courseId) { |
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//从数据库中校验是否存在courseid
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QueryWrapper<SeCourseFavour> favourQueryWrapper = new QueryWrapper<>(); |
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favourQueryWrapper.eq("course_id", courseId); |
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long result = this.count(favourQueryWrapper); |
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if (result == 0) { |
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throw new BusinessException(ErrorCode.SYSTEM_ERROR, "查询参数不存在"); |
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} else { |
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return result; |
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return ResultUtils.success(result); |
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} |
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} |
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@Override |
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public long courseCount(String courseId) { |
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System.out.println("进入课程下资源和知识点的点赞统计" + courseId); |
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public BaseResponse<Long> courseCount(String courseId) { |
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QueryWrapper<SeResourceFavour> ResourceQueryWrapper = new QueryWrapper<>(); |
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ResourceQueryWrapper.eq("course_id", courseId); |
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long result1 = seResourceFavourService.count(ResourceQueryWrapper); |
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@ -120,7 +123,7 @@ public class SeCourseFavourServiceImpl extends ServiceImpl<SeCourseFavourMapper, |
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if (result == 0) { |
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throw new BusinessException(ErrorCode.SYSTEM_ERROR, "查询参数不存在"); |
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} else { |
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return result; |
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return ResultUtils.success(result); |
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} |
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} |
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