wip

packages/backend/src/core/ChatService.ts

@@ -67,8 +67,15 @@ export class ChatService {
 		if (toUser.chatScope === 'none') {
 			throw new Error('recipient is cannot chat');
 		} else if (toUser.chatScope === 'followers') {
-
+			const isFollower = await this.userFollowingService.isFollowing(fromUser.id, toUser.id);
+			if (!isFollower) {
+				throw new Error('recipient is cannot chat');
+			}
 		} else if (toUser.chatScope === 'following') {
+			const isFollowing = await this.userFollowingService.isFollowing(toUser.id, fromUser.id);
+			if (!isFollowing) {
+				throw new Error('recipient is cannot chat');
+			}
 		} else if (toUser.chatScope === 'mutual') {
 			const isMutual = await this.userFollowingService.isMutual(fromUser.id, toUser.id);
 			if (!isMutual) {

packages/backend/src/core/UserFollowingService.ts

@@ -737,6 +737,16 @@ export class UserFollowingService implements OnModuleInit {
 			.getMany();
 	}
 
+	@bindThis
+	public isFollowing(followerId: MiUser['id'], followeeId: MiUser['id']) {
+		return this.followingsRepository.exists({
+			where: {
+				followerId,
+				followeeId,
+			},
+		});
+	}
+
 	@bindThis
 	public async isMutual(aUserId: MiUser['id'], bUserId: MiUser['id']) {
 		const count = await this.followingsRepository.createQueryBuilder('following')