增加部门删选核查api

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

@@ -8,11 +8,14 @@ import org.springframework.web.bind.annotation.*;
 import xyz.playedu.api.PlayEduBContext;
 import xyz.playedu.api.constant.BPermissionConstant;
 import xyz.playedu.api.domain.Department;
+import xyz.playedu.api.domain.User;
 import xyz.playedu.api.event.DepartmentDestroyEvent;
 import xyz.playedu.api.exception.NotFoundException;
 import xyz.playedu.api.middleware.BackendPermissionMiddleware;
 import xyz.playedu.api.request.backend.DepartmentRequest;
+import xyz.playedu.api.service.CourseService;
 import xyz.playedu.api.service.DepartmentService;
+import xyz.playedu.api.service.UserService;
 import xyz.playedu.api.types.JsonResponse;
 
 import java.util.*;
@@ -30,6 +33,12 @@ public class DepartmentController {
     @Autowired
     private DepartmentService departmentService;
 
+    @Autowired
+    private UserService userService;
+
+    @Autowired
+    private CourseService courseService;
+
     @Autowired
     private ApplicationContext ctx;
 
@@ -82,6 +91,34 @@ public class DepartmentController {
         return JsonResponse.success();
     }
 
+    @BackendPermissionMiddleware(slug = BPermissionConstant.DEPARTMENT_CUD)
+    @GetMapping("/{id}/destroy")
+    public JsonResponse preDestroy(@PathVariable Integer id) {
+        List<Integer> courseIds = departmentService.getCourseIdsByDepId(id);
+        List<Integer> userIds = departmentService.getUserIdsByDepId(id);
+
+        HashMap<String, Object> data = new HashMap<>();
+        data.put("courses", new ArrayList<>());
+        data.put("users", new ArrayList<>());
+
+        if (courseIds != null && courseIds.size() > 0) {
+            data.put("courses", courseService.chunks(courseIds, new ArrayList<>() {{
+                add("id");
+                add("title");
+            }}));
+        }
+        if (userIds != null && userIds.size() > 0) {
+            data.put("users", userService.chunks(userIds, new ArrayList<>() {{
+                add("id");
+                add("nickname");
+                add("name");
+                add("avatar");
+            }}));
+        }
+
+        return JsonResponse.data(data);
+    }
+
     @BackendPermissionMiddleware(slug = BPermissionConstant.DEPARTMENT_CUD)
     @DeleteMapping("/{id}")
     public JsonResponse destroy(@PathVariable Integer id) throws NotFoundException {

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

@@ -38,4 +38,6 @@ public interface CourseService extends IService<Course> {
     void updateClassHour(Integer courseId, Integer classHour);
 
     void removeCategoryIdRelate(Integer categoryId);
+
+    List<Course> chunks(List<Integer> ids, List<String> fields);
 }

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

@@ -33,4 +33,8 @@ public interface DepartmentService extends IService<Department> {
 
     void remoteRelateUsersByDepId(Integer depId);
 
+    List<Integer> getUserIdsByDepId(Integer depId);
+
+    List<Integer> getCourseIdsByDepId(Integer depId);
+
 }

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

@@ -36,4 +36,6 @@ public interface UserService extends IService<User> {
     List<Integer> getDepIdsByUserId(Integer userId);
 
     void passwordChange(User user, String oldPassword, String newPassword) throws ServiceException;
+
+    List<User> chunks(List<Integer> ids, List<String> fields);
 }

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

@@ -193,6 +193,11 @@ public class CourseServiceImpl extends ServiceImpl<CourseMapper, Course> impleme
     public void removeCategoryIdRelate(Integer categoryId) {
         courseCategoryService.removeByCategoryId(categoryId);
     }
+
+    @Override
+    public List<Course> chunks(List<Integer> ids, List<String> fields) {
+        return list(query().getWrapper().in("id", ids).select(fields));
+    }
 }
 
 

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

@@ -5,9 +5,11 @@ import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.transaction.annotation.Transactional;
+import xyz.playedu.api.domain.CourseDepartment;
 import xyz.playedu.api.domain.Department;
 import xyz.playedu.api.domain.UserDepartment;
 import xyz.playedu.api.exception.NotFoundException;
+import xyz.playedu.api.service.CourseDepartmentService;
 import xyz.playedu.api.service.DepartmentService;
 import xyz.playedu.api.mapper.DepartmentMapper;
 import org.springframework.stereotype.Service;
@@ -29,6 +31,9 @@ public class DepartmentServiceImpl extends ServiceImpl<DepartmentMapper, Departm
     @Autowired
     private UserDepartmentService userDepartmentService;
 
+    @Autowired
+    private CourseDepartmentService courseDepartmentService;
+
     @Override
     public List<Department> listByParentId(Integer id) {
         return list(query().getWrapper().eq("parent_id", id).orderByAsc("sort"));
@@ -176,6 +181,16 @@ public class DepartmentServiceImpl extends ServiceImpl<DepartmentMapper, Departm
         QueryWrapper<UserDepartment> wrapper = userDepartmentService.query().getWrapper().eq("dep_id", depId);
         userDepartmentService.remove(wrapper);
     }
+
+    @Override
+    public List<Integer> getUserIdsByDepId(Integer depId) {
+        return userDepartmentService.list(userDepartmentService.query().getWrapper().eq("dep_id", depId)).stream().map(UserDepartment::getUserId).toList();
+    }
+
+    @Override
+    public List<Integer> getCourseIdsByDepId(Integer depId) {
+        return courseDepartmentService.list(courseDepartmentService.query().getWrapper().eq("dep_id", depId)).stream().map(CourseDepartment::getCourseId).toList();
+    }
 }
 
 

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

@@ -215,6 +215,11 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements Us
             setPassword(HelperUtil.MD5(newPassword + user.getSalt()));
         }});
     }
+
+    @Override
+    public List<User> chunks(List<Integer> ids, List<String> fields) {
+        return list(query().getWrapper().in("id", ids).select(fields));
+    }
 }