From 3cfd76e6f11b58664d58c908e1f06f77690ded66 Mon Sep 17 00:00:00 2001
From: chenghuan <chenghuanv587@qq.com>
Date: Thu, 6 Aug 2026 15:47:26 +0800
Subject: [PATCH] =?UTF-8?q?feat=EF=BC=9A=E5=A2=9E=E5=8A=A0=E8=8E=B7?=
 =?UTF-8?q?=E5=8F=96=E8=AF=BE=E7=A8=8B=E4=B8=8B=E4=B8=80=E7=AB=A0=E8=8A=82?=
 =?UTF-8?q?=E8=AF=A6=E6=83=85=E6=8E=A5=E5=8F=A3?=
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---
 .../sociology/controller/CourseController.java  | 11 +++++++++++
 .../service/CourseCatalogueChapterService.java  |  1 +
 .../impl/CourseCatalogueChapterServiceImpl.java | 17 +++++++++++++++++
 3 files changed, 29 insertions(+)

diff --git a/src/main/java/com/peanut/modules/sociology/controller/CourseController.java b/src/main/java/com/peanut/modules/sociology/controller/CourseController.java
index ef3738c..30860cf 100644
--- a/src/main/java/com/peanut/modules/sociology/controller/CourseController.java
+++ b/src/main/java/com/peanut/modules/sociology/controller/CourseController.java
@@ -148,6 +148,17 @@ public class CourseController {
         return R.ok().put("data",chapterDetail);
     }
 
+    /**
+     * 获取下一章节详情
+     * @param param
+     * @return
+     */
+    @RequestMapping("/getNextCourseCatalogueChapter")
+    public R getNextCourseCatalogueChapter(@RequestBody ParamTo param){
+        Map<String, Object> chapterDetail = courseCatalogueChapterService.getNextChapterDetail(param.getId());
+        return R.ok().put("data",chapterDetail);
+    }
+
     /**
      * 开通免费课程
      * @param map
diff --git a/src/main/java/com/peanut/modules/sociology/service/CourseCatalogueChapterService.java b/src/main/java/com/peanut/modules/sociology/service/CourseCatalogueChapterService.java
index 6039bff..c2e20c2 100644
--- a/src/main/java/com/peanut/modules/sociology/service/CourseCatalogueChapterService.java
+++ b/src/main/java/com/peanut/modules/sociology/service/CourseCatalogueChapterService.java
@@ -10,4 +10,5 @@ public interface CourseCatalogueChapterService extends IService<CourseCatalogueC
     List<CourseCatalogueChapterEntity> getCourseCatalogueChapterList(int id);
 
     Map<String,Object> getChapterDetail(Integer chapterId);
+    Map<String, Object> getNextChapterDetail(Integer chapterId);
 }
diff --git a/src/main/java/com/peanut/modules/sociology/service/impl/CourseCatalogueChapterServiceImpl.java b/src/main/java/com/peanut/modules/sociology/service/impl/CourseCatalogueChapterServiceImpl.java
index 08efac1..b7e30c0 100644
--- a/src/main/java/com/peanut/modules/sociology/service/impl/CourseCatalogueChapterServiceImpl.java
+++ b/src/main/java/com/peanut/modules/sociology/service/impl/CourseCatalogueChapterServiceImpl.java
@@ -83,6 +83,23 @@ public class CourseCatalogueChapterServiceImpl extends ServiceImpl<CourseCatalog
         return flag;
     }
 
+    @Override
+    public Map<String, Object> getNextChapterDetail(Integer chapterId) {
+        CourseCatalogueChapterEntity currentChapter = this.getById(chapterId);
+        if (currentChapter==null) return null;
+
+        CourseCatalogueChapterEntity nextChapter = this.getOne(
+                new LambdaQueryWrapper<CourseCatalogueChapterEntity>()
+                    .eq(CourseCatalogueChapterEntity::getCatalogueId, currentChapter.getCatalogueId())
+                        .gt(CourseCatalogueChapterEntity::getSort, currentChapter.getSort() )
+                        .orderByAsc(CourseCatalogueChapterEntity::getSort)
+                        .last("limit 1")
+        );
+        if (nextChapter==null) return null;
+
+        return getChapterDetail(nextChapter.getId());
+    }
+
 
     private int getCurrentVideo(Integer chapterId){
         MPJLambdaWrapper<CourseCatalogueChapterVideoEntity> wrapper = new MPJLambdaWrapper<>();