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 '../../misc/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); } }