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import { IRemoteUser } from '@/models/entities/user';
import { IUndo, isFollow, isBlock, isLike, isAnnounce, getApType } from '../../type';
import unfollow from './follow';
import unblock from './block';
import undoLike from './like';
import { undoAnnounce } from './announce';
import Resolver from '../../resolver';
import { apLogger } from '../../logger';
const logger = apLogger;
export default async (actor: IRemoteUser, activity: IUndo): Promise<string> => {
if ('actor' in activity && actor.uri !== activity.actor) {
throw new Error('invalid actor');
}
const uri = activity.id || activity;
logger.info(`Undo: ${uri}`);
const resolver = new Resolver();
const object = await resolver.resolve(activity.object).catch(e => {
logger.error(`Resolution failed: ${e}`);
throw e;
});
if (isFollow(object)) return await unfollow(actor, object);
if (isBlock(object)) return await unblock(actor, object);
if (isLike(object)) return await undoLike(actor, object);
if (isAnnounce(object)) return await undoAnnounce(actor, object);
return `skip: unknown object type ${getApType(object)}`;
};
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