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1 | import { ActivityFollow } from '../../../../shared/models/activitypub/activity' | |
2 | import { getOrCreateAccount, retryTransactionWrapper } from '../../../helpers' | |
3 | import { database as db } from '../../../initializers' | |
4 | import { AccountInstance } from '../../../models/account/account-interface' | |
5 | import { logger } from '../../../helpers/logger' | |
6 | import { sendAccept } from '../send/send-accept' | |
7 | ||
8 | async function processFollowActivity (activity: ActivityFollow) { | |
9 | const activityObject = activity.object | |
10 | const account = await getOrCreateAccount(activity.actor) | |
11 | ||
12 | return processFollow(account, activityObject) | |
13 | } | |
14 | ||
15 | // --------------------------------------------------------------------------- | |
16 | ||
17 | export { | |
18 | processFollowActivity | |
19 | } | |
20 | ||
21 | // --------------------------------------------------------------------------- | |
22 | ||
23 | function processFollow (account: AccountInstance, targetAccountURL: string) { | |
24 | const options = { | |
25 | arguments: [ account, targetAccountURL ], | |
26 | errorMessage: 'Cannot follow with many retries.' | |
27 | } | |
28 | ||
29 | return retryTransactionWrapper(follow, options) | |
30 | } | |
31 | ||
32 | async function follow (account: AccountInstance, targetAccountURL: string) { | |
33 | await db.sequelize.transaction(async t => { | |
34 | const targetAccount = await db.Account.loadByUrl(targetAccountURL, t) | |
35 | ||
36 | if (!targetAccount) throw new Error('Unknown account') | |
37 | if (targetAccount.isOwned() === false) throw new Error('This is not a local account.') | |
38 | ||
39 | const [ accountFollow ] = await db.AccountFollow.findOrCreate({ | |
40 | where: { | |
41 | accountId: account.id, | |
42 | targetAccountId: targetAccount.id | |
43 | }, | |
44 | defaults: { | |
45 | accountId: account.id, | |
46 | targetAccountId: targetAccount.id, | |
47 | state: 'accepted' | |
48 | }, | |
49 | transaction: t | |
50 | }) | |
51 | accountFollow.AccountFollower = account | |
52 | accountFollow.AccountFollowing = targetAccount | |
53 | ||
54 | // Target sends to account he accepted the follow request | |
55 | return sendAccept(accountFollow, t) | |
56 | }) | |
57 | ||
58 | logger.info('Account uuid %s is followed by account %s.', account.url, targetAccountURL) | |
59 | } |