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711aa564c1
* Refactor audience * audienceのないAP Object 対応 * fix * Update src/remote/activitypub/audience.ts Co-Authored-By: Acid Chicken (硫酸鶏) <root@acid-chicken.com> * Update src/remote/activitypub/audience.ts Co-Authored-By: Acid Chicken (硫酸鶏) <root@acid-chicken.com> Co-authored-by: Acid Chicken (硫酸鶏) <root@acid-chicken.com> Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>
93 lines
2.1 KiB
TypeScript
93 lines
2.1 KiB
TypeScript
import { ApObject, getApIds } from './type';
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import Resolver from './resolver';
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import { resolvePerson } from './models/person';
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import { unique, concat } from '../../prelude/array';
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import * as promiseLimit from 'promise-limit';
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import { User, IRemoteUser } from '../../models/entities/user';
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type Visibility = 'public' | 'home' | 'followers' | 'specified';
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type AudienceInfo = {
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visibility: Visibility,
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mentionedUsers: User[],
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visibleUsers: User[],
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};
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export async function parseAudience(actor: IRemoteUser, to?: ApObject, cc?: ApObject, resolver?: Resolver): Promise<AudienceInfo> {
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const toGroups = groupingAudience(getApIds(to), actor);
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const ccGroups = groupingAudience(getApIds(cc), actor);
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const others = unique(concat([toGroups.other, ccGroups.other]));
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const limit = promiseLimit<User | null>(2);
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const mentionedUsers = (await Promise.all(
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others.map(id => limit(() => resolvePerson(id, resolver).catch(() => null)))
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)).filter((x): x is User => x != null);
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if (toGroups.public.length > 0) {
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return {
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visibility: 'public',
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mentionedUsers,
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visibleUsers: []
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};
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}
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if (ccGroups.public.length > 0) {
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return {
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visibility: 'home',
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mentionedUsers,
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visibleUsers: []
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};
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}
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if (toGroups.followers.length > 0) {
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return {
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visibility: 'followers',
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mentionedUsers,
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visibleUsers: []
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};
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}
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return {
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visibility: 'specified',
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mentionedUsers,
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visibleUsers: mentionedUsers
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};
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}
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function groupingAudience(ids: string[], actor: IRemoteUser) {
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const groups = {
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public: [] as string[],
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followers: [] as string[],
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other: [] as string[],
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};
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for (const id of ids) {
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if (isPublic(id)) {
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groups.public.push(id);
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} else if (isFollowers(id, actor)) {
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groups.followers.push(id);
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} else {
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groups.other.push(id);
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}
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}
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groups.other = unique(groups.other);
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return groups;
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}
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function isPublic(id: string) {
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return [
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'https://www.w3.org/ns/activitystreams#Public',
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'as#Public',
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'Public',
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].includes(id);
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}
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function isFollowers(id: string, actor: IRemoteUser) {
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return [
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`${actor.uri}/followers`,
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// actor.followerUri, // TODO
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].includes(id);
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}
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