import { ActivityFollow } from '../../../../shared/models/activitypub/activity' import { retryTransactionWrapper } from '../../../helpers' import { database as db } from '../../../initializers' import { AccountInstance } from '../../../models/account/account-interface' import { logger } from '../../../helpers/logger' import { sendAccept } from '../send/send-accept' import { getOrCreateAccountAndServer } from '../account' async function processFollowActivity (activity: ActivityFollow) { const activityObject = activity.object const account = await getOrCreateAccountAndServer(activity.actor) return processFollow(account, activityObject) } // --------------------------------------------------------------------------- export { processFollowActivity } // --------------------------------------------------------------------------- function processFollow (account: AccountInstance, targetAccountURL: string) { const options = { arguments: [ account, targetAccountURL ], errorMessage: 'Cannot follow with many retries.' } return retryTransactionWrapper(follow, options) } async function follow (account: AccountInstance, targetAccountURL: string) { await db.sequelize.transaction(async t => { const targetAccount = await db.Account.loadByUrl(targetAccountURL, t) if (!targetAccount) throw new Error('Unknown account') if (targetAccount.isOwned() === false) throw new Error('This is not a local account.') const [ accountFollow ] = await db.AccountFollow.findOrCreate({ where: { accountId: account.id, targetAccountId: targetAccount.id }, defaults: { accountId: account.id, targetAccountId: targetAccount.id, state: 'accepted' }, transaction: t }) accountFollow.AccountFollower = account accountFollow.AccountFollowing = targetAccount // Target sends to account he accepted the follow request return sendAccept(accountFollow, t) }) logger.info('Account uuid %s is followed by account %s.', account.url, targetAccountURL) }