Handle follow/accept

server/lib/activitypub/process-accept.ts

@@ -0,0 +1,27 @@
+import { ActivityAccept } from '../../../shared/models/activitypub/activity'
+import { database as db } from '../../initializers'
+import { AccountInstance } from '../../models/account/account-interface'
+
+async function processAcceptActivity (activity: ActivityAccept, inboxAccount?: AccountInstance) {
+  if (inboxAccount === undefined) throw new Error('Need to accept on explicit inbox.')
+
+  const targetAccount = await db.Account.loadByUrl(activity.actor)
+
+  return processFollow(inboxAccount, targetAccount)
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  processAcceptActivity
+}
+
+// ---------------------------------------------------------------------------
+
+async function processFollow (account: AccountInstance, targetAccount: AccountInstance) {
+  const follow = await db.AccountFollow.loadByAccountAndTarget(account.id, targetAccount.id)
+  if (!follow) throw new Error('Cannot find associated follow.')
+
+  follow.set('state', 'accepted')
+  return follow.save()
+}