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 Logger from '../logger'; import { registerOrFetchInstanceDoc } from '../register-or-fetch-instance-doc'; import { User } from '../../models/entities/user'; import { Followings, Users, Instances } from '../../models'; import { instanceChart, perUserFollowingChart } from '../chart'; const logger = new Logger('following/delete'); export default async function(follower: User, followee: User, silent = false) { const following = await Followings.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; } Followings.delete(following.id); //#region Decrement following count Users.decrement({ id: follower.id }, 'followingCount', 1); //#endregion //#region Decrement followers count Users.decrement({ id: followee.id }, 'followersCount', 1); //#endregion //#region Update instance stats if (Users.isRemoteUser(follower) && Users.isLocalUser(followee)) { registerOrFetchInstanceDoc(follower.host).then(i => { Instances.decrement({ id: i.id }, 'followingCount', 1); instanceChart.updateFollowing(i.host, false); }); } else if (Users.isLocalUser(follower) && Users.isRemoteUser(followee)) { registerOrFetchInstanceDoc(followee.host).then(i => { Instances.decrement({ id: i.id }, 'followersCount', 1); instanceChart.updateFollowers(i.host, false); }); } //#endregion perUserFollowingChart.update(follower, followee, false); // Publish unfollow event if (!silent && Users.isLocalUser(follower)) { Users.pack(followee, follower, { detail: true }).then(packed => publishMainStream(follower.id, 'unfollow', packed)); } if (Users.isLocalUser(follower) && Users.isRemoteUser(followee)) { const content = renderActivity(renderUndo(renderFollow(follower, followee), follower)); deliver(follower, content, followee.inbox); } }