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import User, { isLocalUser, pack as packUser } from '../../models/user';
import Following from '../../models/following';
import FollowingLog from '../../models/following-log';
import FollowedLog from '../../models/followed-log';
import event from '../../publishers/stream';
import notify from '../../publishers/notify';
import context from '../../remote/activitypub/renderer/context';
import render from '../../remote/activitypub/renderer/follow';
import request from '../../remote/request';
export default ({ data }) => Following.findOne({ _id: data.following }).then(({ followerId, followeeId }) => {
const promisedFollower = User.findOne({ _id: followerId });
const promisedFollowee = User.findOne({ _id: followeeId });
return Promise.all([
// Increment following count
User.update(followerId, {
$inc: {
followingCount: 1
}
}),
promisedFollower.then(({ followingCount }) => FollowingLog.insert({
createdAt: data.following.createdAt,
userId: followerId,
count: followingCount + 1
})),
// Increment followers count
User.update({ _id: followeeId }, {
$inc: {
followersCount: 1
}
}),
promisedFollowee.then(({ followersCount }) => FollowedLog.insert({
createdAt: data.following.createdAt,
userId: followerId,
count: followersCount + 1
})),
// Notify
promisedFollowee.then(followee => followee.host === null ?
notify(followeeId, followerId, 'follow') : null),
// Publish follow event
Promise.all([promisedFollower, promisedFollowee]).then(([follower, followee]) => {
let followerEvent;
let followeeEvent;
if (isLocalUser(follower)) {
followerEvent = packUser(followee, follower)
.then(packed => event(follower._id, 'follow', packed));
}
if (isLocalUser(followee)) {
followeeEvent = packUser(follower, followee)
.then(packed => event(followee._id, 'followed', packed));
} else if (isLocalUser(follower)) {
const rendered = render(follower, followee);
rendered['@context'] = context;
followeeEvent = request(follower, followee.account.inbox, rendered);
}
return Promise.all([followerEvent, followeeEvent]);
})
]);
});
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