完成权限角色守卫

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

@@ -0,0 +1,23 @@
+import { Injectable } from "@nestjs/common";
+import { InjectRepository } from "@nestjs/typeorm";
+import { RolePermission } from "../entities/role-permission.entity";
+import { In, Repository } from "typeorm";
+
+@Injectable()
+export class RolePermissionService {
+
+    constructor(
+        @InjectRepository(RolePermission)
+        private readonly rolePermissionRepository: Repository<RolePermission>,
+    ) { }
+
+    async findPermissionIdsByRoleIds(roleIds: string[]): Promise<string[]> {
+        const rolePermissions = await this.rolePermissionRepository.find({
+            where: {
+                roleId: In(roleIds),
+            }
+        });
+
+        return rolePermissions.map(rp => rp.permissionId);
+    }
+}