iceshrimp-legacy/packages/backend/src/server/api/endpoints/admin/federation/remove-all-following.ts

import $ from 'cafy';
import define from '../../../define';
import deleteFollowing from '@/services/following/delete';
import { Followings, Users } from '@/models/index';

export const meta = {
	tags: ['admin'],

	requireCredential: true as const,
	requireModerator: true,

	params: {
		host: {
			validator: $.str,
		},
	},
};

// eslint-disable-next-line import/no-default-export
export default define(meta, async (ps, me) => {
	const followings = await Followings.find({
		followerHost: ps.host,
	});

	const pairs = await Promise.all(followings.map(f => Promise.all([
		Users.findOneOrFail(f.followerId),
		Users.findOneOrFail(f.followeeId),
	])));

	for (const pair of pairs) {
		deleteFollowing(pair[0], pair[1]);
	}
});