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import { IRemoteUser } from '../../../../models/user';
import { IUndo, IFollow, IBlock, ILike } from '../../type';
import unfollow from './follow';
import unblock from './block';
import undoLike from './like';
import Resolver from '../../resolver';
import { apLogger } from '../../logger';
const logger = apLogger;
export default async (actor: IRemoteUser, activity: IUndo): Promise<void> => {
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();
let object;
try {
object = await resolver.resolve(activity.object);
} catch (e) {
logger.error(`Resolution failed: ${e}`);
throw e;
}
switch (object.type) {
case 'Follow':
unfollow(actor, object as IFollow);
break;
case 'Block':
unblock(actor, object as IBlock);
break;
case 'Like':
undoLike(actor, object as ILike);
break;
}
return null;
};
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