修复免费领取课程时重复领取
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@@ -211,7 +211,6 @@ public class CourseServiceImpl extends ServiceImpl<CourseDao, CourseEntity> impl
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LambdaQueryWrapper<UserCourseBuyEntity> wrapper = new LambdaQueryWrapper<>();
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wrapper.eq(UserCourseBuyEntity::getUserId,uId);
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wrapper.eq(UserCourseBuyEntity::getCatalogueId,catalogueId);
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wrapper.lt(UserCourseBuyEntity::getEndTime,new Date());
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Integer integer = userCourseBuyDao.selectCount(wrapper);
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if(integer>0){
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return R.error("您已拥有本门课程,无需领取");
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