feat(role): 新增获取用户角色接口

- 在RoleController中新增getUserRole方法，用于获取所有用户角色
- 添加RoleService接口及其实现类RoleServiceImpl
- 创建RoleResponse DTO并优化UserProfileResponse中的角色映射逻辑
- 引入RoleService依赖并配置相关注解以支持新功能
- 实现角色数据的查询与转换，返回标准ApiResult格式结果

chaos_api_domain/src/main/java/cn/nopj/chaos_api/dto/response/RoleResponse.java

@@ -1,8 +1,15 @@
 package cn.nopj.chaos_api.dto.response;
 
+import cn.nopj.chaos_api.domain.entity.Role;
 import lombok.Data;
 @Data
 public class RoleResponse {
     private Long id;
     private String name;
+
+
+    public RoleResponse(Role role){
+        this.id = role.getId();
+        this.name = role.getName();
+    }
 }

chaos_api_domain/src/main/java/cn/nopj/chaos_api/dto/response/UserProfileResponse.java

@@ -10,17 +10,14 @@ public class UserProfileResponse {
     private Long id;
     private String username;
     private String nickname;
+    private String avatar;
     private List<RoleResponse> roles;
 
     public UserProfileResponse(User user) {
         this.id = user.getId();
         this.username = user.getUsername();
         this.nickname = user.getNickname();
-        this.roles = user.getRoles().stream().map(role -> {
-            RoleResponse roleResponse = new RoleResponse();
-            roleResponse.setId(role.getId());
-            roleResponse.setName(role.getName());
-            return roleResponse;
-        }).toList();
+        this.avatar = user.getAvatar();
+        this.roles = user.getRoles().stream().map(RoleResponse::new).toList();
     }
 }

chaos_api_interface/src/main/java/cn/nopj/chaos_api/service/RoleService.java

@@ -0,0 +1,13 @@
+package cn.nopj.chaos_api.service;
+
+import cn.nopj.chaos_api.dto.response.RoleResponse;
+
+import java.util.List;
+
+public interface RoleService {
+   /**
+     * 获取所有角色
+     * @return 所有角色
+     */
+    List<RoleResponse> getAllRoles();
+}

chaos_api_service/src/main/java/cn/nopj/chaos_api/service/impl/RoleServiceImpl.java

@@ -0,0 +1,18 @@
+package cn.nopj.chaos_api.service.impl;
+
+import cn.nopj.chaos_api.domain.entity.Role;
+import cn.nopj.chaos_api.dto.response.RoleResponse;
+import cn.nopj.chaos_api.mapper.RoleMapper;
+import cn.nopj.chaos_api.service.RoleService;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class RoleServiceImpl extends ServiceImpl<RoleMapper, Role> implements RoleService {
+    @Override
+    public List<RoleResponse> getAllRoles() {
+        return this.baseMapper.selectList(null).stream().map(RoleResponse::new).toList();
+    }
+}

chaos_api_web/src/main/java/cn/nopj/chaos_api/controller/RoleController.java

@@ -2,16 +2,21 @@ package cn.nopj.chaos_api.controller;
 
 
 import cn.nopj.chaos_api.dto.request.SetUserRoleRequest;
+import cn.nopj.chaos_api.dto.response.RoleResponse;
 import cn.nopj.chaos_api.model.ApiResult;
+import cn.nopj.chaos_api.service.RoleService;
 import cn.nopj.chaos_api.service.UserRoleService;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.util.List;
+
 
 /**
  * 角色管理
@@ -24,6 +29,9 @@ public class RoleController {
     @Autowired
     private UserRoleService userRoleService;
 
+    @Autowired
+    private RoleService roleService;
+
     /**
      * 设置用户角色
      * @param request 请求参数
@@ -45,4 +53,13 @@ public class RoleController {
     public ApiResult<?> revokeRolesFromUser(@RequestBody @Validated SetUserRoleRequest request) {
         return ApiResult.success("用户角色取消成功",userRoleService.revokeRolesFromUser(request));
     }
+
+    /**
+     * 获取用户角色
+     */
+    @PreAuthorize("hasAuthority('admin')")
+    @GetMapping("/")
+    public ApiResult<List<RoleResponse>> getUserRole() {
+        return ApiResult.success(roleService.getAllRoles());
+    }
 }