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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);
}
}
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