Sharkey/src/services/following/create.ts

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import User, { isLocalUser, isRemoteUser, pack as packUser, IUser } from '../../models/user';
import Following from '../../models/following';
import FollowingLog from '../../models/following-log';
import FollowedLog from '../../models/followed-log';
import event from '../../publishers/stream';
import notify from '../../publishers/notify';
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import pack from '../../remote/activitypub/renderer';
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import renderFollow from '../../remote/activitypub/renderer/follow';
import renderAccept from '../../remote/activitypub/renderer/accept';
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import { deliver } from '../../queue';
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export default async function(follower: IUser, followee: IUser, activity?) {
const following = await Following.insert({
createdAt: new Date(),
followerId: follower._id,
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followeeId: followee._id,
stalk: true,
// 非正規化
_follower: {
host: follower.host,
inbox: isRemoteUser(follower) ? follower.inbox : undefined
},
_followee: {
host: followee.host,
inbox: isRemoteUser(followee) ? followee.inbox : undefined
}
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});
//#region Increment following count
User.update({ _id: follower._id }, {
$inc: {
followingCount: 1
}
});
FollowingLog.insert({
createdAt: following.createdAt,
userId: follower._id,
count: follower.followingCount + 1
});
//#endregion
//#region Increment followers count
User.update({ _id: followee._id }, {
$inc: {
followersCount: 1
}
});
FollowedLog.insert({
createdAt: following.createdAt,
userId: followee._id,
count: followee.followersCount + 1
});
//#endregion
// Publish follow event
if (isLocalUser(follower)) {
packUser(followee, follower).then(packed => event(follower._id, 'follow', packed));
}
// Publish followed event
if (isLocalUser(followee)) {
packUser(follower, followee).then(packed => event(followee._id, 'followed', packed)),
// 通知を作成
notify(followee._id, follower._id, 'follow');
}
if (isLocalUser(follower) && isRemoteUser(followee)) {
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const content = pack(renderFollow(follower, followee));
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deliver(follower, content, followee.inbox);
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}
if (isRemoteUser(follower) && isLocalUser(followee)) {
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const content = pack(renderAccept(activity));
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deliver(followee, content, follower.inbox);
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}
}