章节删除

src/main/java/xyz/playedu/api/controller/backend/CourseChapterController.java

@@ -60,14 +60,14 @@ public class CourseChapterController {
     public JsonResponse update(@PathVariable(name = "courseId") Integer courseId, @PathVariable(name = "id") Integer id, @RequestBody @Validated CourseChapterRequest req) throws NotFoundException {
         CourseChapter chapter = chapterService.findOrFail(id, courseId);
         chapterService.update(chapter, req.getName(), req.getSort());
-        return JsonResponse.data(chapter);
+        return JsonResponse.success();
     }
 
     @DeleteMapping("/{id}")
     public JsonResponse destroy(@PathVariable(name = "courseId") Integer courseId, @PathVariable(name = "id") Integer id) throws NotFoundException {
         CourseChapter chapter = chapterService.findOrFail(id, courseId);
         chapterService.removeById(chapter.getId());
-        ctx.publishEvent(new CourseChapterDestroyEvent(this, PlayEduBackendThreadLocal.getAdminUserID(), chapter.getCourseId(), new Date()));
+        ctx.publishEvent(new CourseChapterDestroyEvent(this, PlayEduBackendThreadLocal.getAdminUserID(), chapter.getCourseId(), chapter.getId(), new Date()));
         return JsonResponse.success();
     }
 }

src/main/java/xyz/playedu/api/event/CourseChapterDestroyEvent.java

@@ -14,12 +14,14 @@ import java.util.Date;
 @Setter
 public class CourseChapterDestroyEvent extends ApplicationEvent {
     private Integer adminId;
+    private Integer courseId;
     private Integer chapterId;
     private Date date;
 
-    public CourseChapterDestroyEvent(Object source, Integer adminId, Integer chapterId, Date date) {
+    public CourseChapterDestroyEvent(Object source, Integer adminId, Integer courseId, Integer chapterId, Date date) {
         super(source);
         this.adminId = adminId;
+        this.courseId = courseId;
         this.chapterId = chapterId;
         this.date = date;
     }

src/main/java/xyz/playedu/api/listener/CourseChapterDestroyListener.java

@@ -0,0 +1,24 @@
+package xyz.playedu.api.listener;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.event.EventListener;
+import org.springframework.stereotype.Component;
+import xyz.playedu.api.event.CourseChapterDestroyEvent;
+import xyz.playedu.api.service.CourseHourService;
+
+/**
+ * @Author 杭州白书科技有限公司
+ * @create 2023/2/26 18:25
+ */
+@Component
+public class CourseChapterDestroyListener {
+
+    @Autowired
+    private CourseHourService hourService;
+
+    @EventListener
+    public void resetCourseHourChapterId(CourseChapterDestroyEvent event) {
+        hourService.resetChapterIdByCourseIdAndChapterId(event.getCourseId(), event.getChapterId());
+    }
+
+}

src/main/java/xyz/playedu/api/service/CourseHourService.java

@@ -26,4 +26,6 @@ public interface CourseHourService extends IService<CourseHour> {
 
     Integer getCourseClassHourByCourseId(Integer courseId);
 
+    void resetChapterIdByCourseIdAndChapterId(Integer courseId,Integer chapterId);
+
 }

src/main/java/xyz/playedu/api/service/impl/CourseHourServiceImpl.java

@@ -76,6 +76,11 @@ public class CourseHourServiceImpl extends ServiceImpl<CourseHourMapper, CourseH
     public Integer getCourseClassHourByCourseId(Integer courseId) {
         return Math.toIntExact(count(query().getWrapper().eq("course_id", courseId)));
     }
+
+    @Override
+    public void resetChapterIdByCourseIdAndChapterId(Integer courseId, Integer chapterId) {
+        update(update().getWrapper().eq("course_id", courseId).eq("chapter_id", chapterId).set("chapter_id", 0));
+    }
 }