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点赞数负数的情况

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wangw
2025-01-14 14:10:54 +08:00
parent 93bbb2d782
commit d376c3ad22
1 changed files with 8 additions and 5 deletions
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7
src/main/java/com/sqx/modules/course/service/impl/CourseCollectServiceImpl.java
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@@ -127,11 +127,14 @@ public class CourseCollectServiceImpl extends ServiceImpl<CourseCollectDao, Cour
.eq(CourseDetails::getCourseId, collect.getCourseId()) .eq(CourseDetails::getCourseId, collect.getCourseId())
.eq(CourseDetails::getCourseDetailsId, collect.getCourseDetailsId()); .eq(CourseDetails::getCourseDetailsId, collect.getCourseDetailsId());
CourseDetails courseDetails = courseDetailsService.getOne(queryWrapper); CourseDetails courseDetails = courseDetailsService.getOne(queryWrapper);
int goods = courseDetails.getGoodNum() == null || courseDetails.getGoodNum() < 0 ? 0 : courseDetails.getGoodNum() - (isGood.equals(1) ? 1 : -1);
if (goods < 0) {
return;
}
LambdaUpdateWrapper<CourseDetails> updateWrapper = new LambdaUpdateWrapper<CourseDetails>() LambdaUpdateWrapper<CourseDetails> updateWrapper = new LambdaUpdateWrapper<CourseDetails>()
.eq(CourseDetails::getCourseId, collect.getCourseId()) .eq(CourseDetails::getCourseId, collect.getCourseId())
.eq(CourseDetails::getCourseDetailsId, collect.getCourseDetailsId()) .eq(CourseDetails::getCourseDetailsId, collect.getCourseDetailsId())
.set(CourseDetails::getGoodNum, courseDetails.getGoodNum() == null ? 0 : courseDetails.getGoodNum() - (isGood.equals(1) ? 1 : -1)); .set(CourseDetails::getGoodNum, goods);
courseDetailsService.update(updateWrapper); courseDetailsService.update(updateWrapper);
} }