课程管理

src/main/java/xyz/playedu/api/bus/CourseBus.java

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+package xyz.playedu.api.bus;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+import xyz.playedu.api.domain.CategoryCourse;
+import xyz.playedu.api.domain.Course;
+import xyz.playedu.api.domain.CourseDepartment;
+import xyz.playedu.api.service.CategoryCourseService;
+import xyz.playedu.api.service.CourseDepartmentService;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @Author 杭州白书科技有限公司
+ * @create 2023/2/24 17:12
+ */
+@Component
+public class CourseBus {
+
+    @Autowired
+    private CourseDepartmentService courseDepartmentService;
+
+    @Autowired
+    private CategoryCourseService categoryCourseService;
+
+    public void departmentRelate(Course course, Integer[] depIds) {
+        if (depIds == null || depIds.length == 0) {
+            return;
+        }
+        List<CourseDepartment> courseDepartments = new ArrayList<>();
+        for (int i = 0; i < depIds.length; i++) {
+            CourseDepartment courseDepartment = new CourseDepartment();
+            courseDepartment.setCourseId(course.getId());
+            courseDepartment.setDepId(depIds[i]);
+            courseDepartments.add(courseDepartment);
+        }
+        courseDepartmentService.saveBatch(courseDepartments);
+    }
+
+    public void resetDepartmentRelate(Course course, Integer[] depIds) {
+        courseDepartmentService.removeByCourseId(course.getId());
+        departmentRelate(course, depIds);
+    }
+
+    public void categoryRelate(Course course, Integer[] categoryIds) {
+        if (categoryIds == null || categoryIds.length == 0) {
+            return;
+        }
+        List<CategoryCourse> categoryCourses = new ArrayList<>();
+        for (int i = 0; i < categoryIds.length; i++) {
+            CategoryCourse categoryCourse = new CategoryCourse();
+            categoryCourse.setCourseId(course.getId());
+            categoryCourse.setCategoryId(categoryIds[i]);
+            categoryCourses.add(categoryCourse);
+        }
+        categoryCourseService.saveBatch(categoryCourses);
+    }
+
+    public void resetCategoryRelate(Course course, Integer[] categoryIds) {
+        categoryCourseService.removeByCourseId(course.getId());
+        categoryRelate(course, categoryIds);
+    }
+
+}