rudeshark.net/src/services/following/delete.ts
2018-10-30 14:34:32 +09:00

55 lines
1.5 KiB
TypeScript

import User, { isLocalUser, isRemoteUser, pack as packUser, IUser } from '../../models/user';
import Following from '../../models/following';
import { publishMainStream } from '../../stream';
import pack from '../../remote/activitypub/renderer';
import renderFollow from '../../remote/activitypub/renderer/follow';
import renderUndo from '../../remote/activitypub/renderer/undo';
import { deliver } from '../../queue';
import perUserFollowingChart from '../../chart/per-user-following';
export default async function(follower: IUser, followee: IUser) {
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
}
});
//#endregion
//#region Decrement followers count
User.update({ _id: followee._id }, {
$inc: {
followersCount: -1
}
});
//#endregion
perUserFollowingChart.update(follower, followee, false);
// Publish unfollow event
if (isLocalUser(follower)) {
packUser(followee, follower, {
detail: true
}).then(packed => publishMainStream(follower._id, 'unfollow', packed));
}
if (isLocalUser(follower) && isRemoteUser(followee)) {
const content = pack(renderUndo(renderFollow(follower, followee), follower));
deliver(follower, content, followee.inbox);
}
}