monkeeShark/src/services/following/delete.ts
2018-04-08 03:58:11 +09:00

64 lines
1.7 KiB
TypeScript

import User, { isLocalUser, isRemoteUser, pack as packUser, IUser } 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 context from '../../remote/activitypub/renderer/context';
import renderFollow from '../../remote/activitypub/renderer/follow';
import renderUndo from '../../remote/activitypub/renderer/undo';
import { deliver } from '../../queue';
export default async function(follower: IUser, followee: IUser, activity?) {
const following = await Following.findOne({
followerId: follower._id,
followeeId: followee._id
});
if (following == null) {
console.warn('フォロー解除がリクエストされましたがフォローしていませんでした');
return;
}
Following.remove({
_id: following._id
});
//#region Decrement following count
User.update({ _id: follower._id }, {
$inc: {
followingCount: -1
}
});
FollowingLog.insert({
createdAt: following.createdAt,
userId: follower._id,
count: follower.followingCount - 1
});
//#endregion
//#region Decrement followers count
User.update({ _id: followee._id }, {
$inc: {
followersCount: -1
}
});
FollowedLog.insert({
createdAt: following.createdAt,
userId: followee._id,
count: followee.followersCount - 1
});
//#endregion
// Publish unfollow event
if (isLocalUser(follower)) {
packUser(followee, follower).then(packed => event(follower._id, 'unfollow', packed));
}
if (isLocalUser(follower) && isRemoteUser(followee)) {
const content = renderUndo(renderFollow(follower, followee));
content['@context'] = context;
deliver(follower, content, followee.inbox).save();
}
}