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处理浏览历史，保留一条记录

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GYJ
2024-12-30 10:55:04 +08:00
parent b5e8d2514b
commit ea7d51450e
2 changed files with 25 additions and 0 deletions
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2
src/main/java/com/sqx/modules/course/entity/CourseCollect.java
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@@ -5,6 +5,7 @@ import com.baomidou.mybatisplus.annotation.TableField;
import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableName;
import lombok.Data;
import lombok.experimental.Accessors;
import java.io.Serializable;
@@ -14,6 +15,7 @@ import java.io.Serializable;
* @date 2021-03-27
*/
@Data
@Accessors(chain = true)
@TableName("course_collect")
public class CourseCollect implements Serializable {

23
src/main/java/com/sqx/modules/course/service/impl/CourseCollectServiceImpl.java
View File

@@ -35,6 +35,29 @@ public class CourseCollectServiceImpl extends ServiceImpl<CourseCollectDao, Cour
public Result insertCourseCollect(CourseCollect courseCollect) {
reentrantReadWriteLock.writeLock().lock();
try {
if (courseCollect.getClassify() == 3) {
QueryWrapper<CourseCollect> queryWrapper = new QueryWrapper<>();
queryWrapper.eq("user_id", courseCollect.getUserId()).eq("classify", 3).eq("course_id", courseCollect.getCourseId());
queryWrapper.orderByDesc("create_time");
queryWrapper.last("limit 1");
CourseCollect collect = baseMapper.selectOne(queryWrapper);
if (collect != null) {
collect.setUpdateTime(DateUtils.format(new Date()));
collect.setCourseCollectId(courseCollect.getCourseCollectId());
baseMapper.updateById(collect);
return Result.success("操作成功！");
}
collect = new CourseCollect()
.setUserId(courseCollect.getUserId())
.setCourseId(courseCollect.getCourseId())
.setCourseDetailsId(courseCollect.getCourseDetailsId())
.setClassify(3)
.setCreateTime(DateUtils.format(new Date()))
.setUpdateTime(DateUtils.format(new Date()));
baseMapper.insert(collect);
return Result.success("操作成功！");
}
CourseCollect courseCollect1 = selectCourseCollectUserIdAnd(courseCollect.getUserId(), courseCollect.getCourseId(),courseCollect.getClassify(),courseCollect.getCourseDetailsId());
if (courseCollect.getType() == 1) {
if(courseCollect1==null){