课时管理

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

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+package xyz.playedu.api.service;
+
+import xyz.playedu.api.domain.CourseHour;
+import com.baomidou.mybatisplus.extension.service.IService;
+import xyz.playedu.api.exception.NotFoundException;
+
+import java.util.Date;
+import java.util.List;
+
+/**
+ * @author tengteng
+ * @description 针对表【course_hour】的数据库操作Service
+ * @createDate 2023-02-26 17:48:12
+ */
+public interface CourseHourService extends IService<CourseHour> {
+
+    List<CourseHour> getHoursByCourseId(Integer courseId);
+
+    CourseHour create(Integer courseId, Integer chapterId, String title, String type, Integer duration, Date publishedAt);
+
+    void update(CourseHour courseHour, Integer chapterId, String title, Integer duration, Date publishedAt);
+
+    CourseHour findOrFail(Integer id) throws NotFoundException;
+
+    CourseHour findOrFail(Integer id, Integer courseId) throws NotFoundException;
+
+    Integer getCourseClassHourByCourseId(Integer courseId);
+
+}