实现权限管理的服务

tone-page-server/src/role/services/role.service.ts

@@ -1,4 +1,4 @@
-import { Injectable } from "@nestjs/common";
+import { BadRequestException, Injectable } from "@nestjs/common";
 import { InjectRepository } from "@nestjs/typeorm";
 import { Role } from "../entities/role.entity";
 import { In, Repository } from "typeorm";
@@ -23,4 +23,21 @@ export class RoleService {
             }
         })
     }
+
+    async create(role: Pick<Role, 'name' | 'localName'>): Promise<Role> {
+        const newRole = this.roleRepository.create(role);
+        return this.roleRepository.save(newRole);
+    }
+
+    async list(): Promise<Role[]> {
+        return this.roleRepository.find();
+    }
+
+    async delete(roleId: string): Promise<void> {
+        const existingRole = await this.roleRepository.findOne({ where: { id: roleId } });
+        if (!existingRole) {
+            throw new BadRequestException('Role not found');
+        }
+        await this.roleRepository.delete(existingRole.id);
+    }
 }