From 70e7eace440e324c74fb7dfe2b30dc5ba5b67205 Mon Sep 17 00:00:00 2001
From: zjk <852185829@qq.com>
Date: 星期二, 29 九月 2026 11:51:19 +0800
Subject: [PATCH] feat(养生课程): 新增当前在学人数统计与展示功能
---
tcm-training-admin-backend/src/main/java/com/tcm/training/admin/app/course/service/AppHealthCourseService.java | 15 +++++++++++++++
1 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/tcm-training-admin-backend/src/main/java/com/tcm/training/admin/app/course/service/AppHealthCourseService.java b/tcm-training-admin-backend/src/main/java/com/tcm/training/admin/app/course/service/AppHealthCourseService.java
index 62cad09..4f4be04 100644
--- a/tcm-training-admin-backend/src/main/java/com/tcm/training/admin/app/course/service/AppHealthCourseService.java
+++ b/tcm-training-admin-backend/src/main/java/com/tcm/training/admin/app/course/service/AppHealthCourseService.java
@@ -153,6 +153,7 @@
itemVO.setDifficultyName(trimToEmpty(row.getDifficultyName()));
itemVO.setSalePrice(defaultPrice(row.getSalePrice()));
itemVO.setLearnUserCount(defaultNumber(row.getLearnUserCount()));
+ itemVO.setStudyingCount(defaultNumber(row.getStudyingCount()));
result.add(itemVO);
}
return result;
@@ -166,6 +167,8 @@
if (courseDetail.getStatus() == null || courseDetail.getStatus().intValue() != COURSE_STATUS_ENABLED) {
throw new IllegalArgumentException("养生课程不存在");
}
+ // 进入课程详情即视为一次学习行为，正在学习人数自增；返回值按自增后的口径展示
+ incrementStudyingCount(courseId);
List<HealthCourseVideo> enabledVideos = listEnabledVideos(courseId);
AppHealthCourseDetailVO detailVO = new AppHealthCourseDetailVO();
@@ -176,6 +179,7 @@
detailVO.setDifficultyName(trimToEmpty(courseDetail.getDifficultyName()));
detailVO.setSalePrice(defaultPrice(courseDetail.getSalePrice()));
detailVO.setLearnUserCount(defaultNumber(courseDetail.getLearnUserCount()));
+ detailVO.setStudyingCount(Integer.valueOf(defaultNumber(courseDetail.getStudyingCount()) + 1));
detailVO.setSummary(trimToEmpty(courseDetail.getSummary()));
detailVO.setTargetUsers(trimToEmpty(courseDetail.getTargetUsers()));
detailVO.setContent(trimToEmpty(courseDetail.getContent()));
@@ -218,6 +222,7 @@
itemVO.setTeacherName(trimToEmpty(row.getTeacherName()));
itemVO.setTeacherAvatar(trimToEmpty(row.getTeacherAvatar()));
itemVO.setLearnUserCount(defaultNumber(row.getLearnUserCount()));
+ itemVO.setStudyingCount(defaultNumber(row.getStudyingCount()));
itemVO.setFavoritedAt(row.getFavoritedAt());
result.add(itemVO);
}
@@ -1410,6 +1415,16 @@
}
/**
+ * 正在学习人数自增 1，进入课程详情时调用。
+ */
+ private void incrementStudyingCount(Long courseId) {
+ LambdaUpdateWrapper<HealthCourse> updateWrapper = new LambdaUpdateWrapper<HealthCourse>()
+ .eq(HealthCourse::getId, courseId)
+ .setSql("studying_count = COALESCE(studying_count, 0) + 1");
+ healthCourseMapper.update(null, updateWrapper);
+ }
+
+ /**
* 构造收藏操作返回结果，避免控制器层重复拼装。
*/
private AppHealthCourseFavoriteResultVO buildFavoriteResult(Long courseId, boolean favorited, Integer favoriteCount) {
--
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