misskey/src/services/following/delete.ts

85 lines
2.4 KiB
TypeScript

import User, { isLocalUser, isRemoteUser, pack as packUser, IUser } from '../../models/user';
import Following from '../../models/following';
import { publishMainStream } from '../stream';
import { renderActivity } 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 '../../services/chart/per-user-following';
import Logger from '../logger';
import { registerOrFetchInstanceDoc } from '../register-or-fetch-instance-doc';
import Instance from '../../models/instance';
import instanceChart from '../../services/chart/instance';
const logger = new Logger('following/delete');
export default async function(follower: IUser, followee: IUser) {
const following = await Following.findOne({
followerId: follower._id,
followeeId: followee._id
});
if (following == null) {
logger.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
//#region Update instance stats
if (isRemoteUser(follower) && isLocalUser(followee)) {
registerOrFetchInstanceDoc(follower.host).then(i => {
Instance.update({ _id: i._id }, {
$inc: {
followingCount: -1
}
});
instanceChart.updateFollowing(i.host, false);
});
} else if (isLocalUser(follower) && isRemoteUser(followee)) {
registerOrFetchInstanceDoc(followee.host).then(i => {
Instance.update({ _id: i._id }, {
$inc: {
followersCount: -1
}
});
instanceChart.updateFollowers(i.host, false);
});
}
//#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 = renderActivity(renderUndo(renderFollow(follower, followee), follower));
deliver(follower, content, followee.inbox);
}
}