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import config from '../../../../config';
import unfollow from '../../../../services/following/delete';
import cancelRequest from '../../../../services/following/requests/cancel';
import { IFollow } from '../../type';
import { IRemoteUser } from '../../../../models/entities/user';
import { Users, FollowRequests, Followings } from '../../../../models';
export default async (actor: IRemoteUser, activity: IFollow): Promise<void> => {
const id = typeof activity.object == 'string' ? activity.object : activity.object.id;
if (id == null) throw new Error('missing id');
if (!id.startsWith(config.url + '/')) {
return;
}
const followee = await Users.findOne(id.split('/').pop());
if (followee == null) {
throw new Error('followee not found');
}
if (followee.host != null) {
throw new Error('フォロー解除しようとしているユーザーはローカルユーザーではありません');
}
const req = await FollowRequests.findOne({
followerId: actor.id,
followeeId: followee.id
});
const following = await Followings.findOne({
followerId: actor.id,
followeeId: followee.id
});
if (req) {
await cancelRequest(followee, actor);
}
if (following) {
await unfollow(actor, followee);
}
};
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