新增后台学员的全部线上课进度api

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

@@ -64,4 +64,6 @@ public interface DepartmentService extends IService<Department> {
     Long total();
 
     Map<Integer, Integer> getDepartmentsUserCount();
+
+    List<Department> chunk(List<Integer> ids);
 }

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

@@ -214,6 +214,9 @@ public class CourseServiceImpl extends ServiceImpl<CourseMapper, Course> impleme
 
     @Override
     public List<Course> getDepCoursesAndShow(List<Integer> depIds) {
+        if (depIds == null || depIds.size() == 0) {
+            return new ArrayList<>();
+        }
         List<Integer> courseIds = courseDepartmentService.getCourseIdsByDepIds(depIds);
         if (courseIds == null || courseIds.size() == 0) {
             return new ArrayList<>();

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

@@ -268,4 +268,12 @@ public class DepartmentServiceImpl extends ServiceImpl<DepartmentMapper, Departm
                                 DepartmentsUserCountMapRes::getDepId,
                                 DepartmentsUserCountMapRes::getTotal));
     }
+
+    @Override
+    public List<Department> chunk(List<Integer> ids) {
+        if (ids == null || ids.size() == 0) {
+            return new ArrayList<>();
+        }
+        return list(query().getWrapper().in("id", ids));
+    }
 }