feat: 時限ロール (#10145)

* feat: 時限ロール

* クライアントから期限を確認できるように

* リファクタとか

* fix test

* fix test

* fix test

* clean up

packages/backend/src/core/entities/RoleEntityService.ts

@@ -1,4 +1,5 @@
 import { Inject, Injectable } from '@nestjs/common';
+import { Brackets } from 'typeorm';
 import { DI } from '@/di-symbols.js';
 import type { RoleAssignmentsRepository, RolesRepository } from '@/models/index.js';
 import { awaitAll } from '@/misc/prelude/await-all.js';
@@ -28,9 +29,13 @@ export class RoleEntityService {
 	) {
 		const role = typeof src === 'object' ? src : await this.rolesRepository.findOneByOrFail({ id: src });
 
-		const assigns = await this.roleAssignmentsRepository.findBy({
-			roleId: role.id,
-		});
+		const assignedCount = await this.roleAssignmentsRepository.createQueryBuilder('assign')
+			.where('assign.roleId = :roleId', { roleId: role.id })
+			.andWhere(new Brackets(qb => { qb
+				.where('assign.expiresAt IS NOT NULL')
+				.orWhere('assign.expiresAt > :now', { now: new Date() });
+			}))
+			.getCount();
 
 		const policies = { ...role.policies };
 		for (const [k, v] of Object.entries(DEFAULT_POLICIES)) {
@@ -57,7 +62,7 @@ export class RoleEntityService {
 			asBadge: role.asBadge,
 			canEditMembersByModerator: role.canEditMembersByModerator,
 			policies: policies,
-			usersCount: assigns.length,
+			usersCount: assignedCount,
 		});
 	}