なんかもうめっちゃ変えた
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syuilo
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228
packages/backend/src/core/AntennaService.ts
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228
packages/backend/src/core/AntennaService.ts
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import { Inject, Injectable } from '@nestjs/common';
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import Redis from 'ioredis';
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import type { Antenna } from '@/models/entities/Antenna.js';
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import type { Note } from '@/models/entities/Note.js';
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import type { User } from '@/models/entities/User.js';
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import { IdService } from '@/core/IdService.js';
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import { isUserRelated } from '@/misc/is-user-related.js';
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import { GlobalEventService } from '@/core/GlobalEventService.js';
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import * as Acct from '@/misc/acct.js';
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import { Cache } from '@/misc/cache.js';
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import type { Packed } from '@/misc/schema.js';
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import { DI } from '@/di-symbols.js';
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import { MutingsRepository, BlockingsRepository, NotesRepository, AntennaNotesRepository, AntennasRepository, UserGroupJoiningsRepository, UserListJoiningsRepository } from '@/models/index.js';
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import { UtilityService } from './UtilityService.js';
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import type { OnApplicationShutdown } from '@nestjs/common';
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@Injectable()
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export class AntennaService implements OnApplicationShutdown {
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#antennasFetched: boolean;
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#antennas: Antenna[];
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#blockingCache: Cache<User['id'][]>;
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constructor(
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@Inject(DI.redisSubscriber)
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private redisSubscriber: Redis.Redis,
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@Inject(DI.mutingsRepository)
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private mutingsRepository: MutingsRepository,
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@Inject(DI.blockingsRepository)
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private blockingsRepository: BlockingsRepository,
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@Inject(DI.notesRepository)
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private notesRepository: NotesRepository,
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@Inject(DI.antennaNotesRepository)
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private antennaNotesRepository: AntennaNotesRepository,
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@Inject(DI.antennasRepository)
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private antennasRepository: AntennasRepository,
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@Inject(DI.userGroupJoiningsRepository)
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private userGroupJoiningsRepository: UserGroupJoiningsRepository,
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@Inject(DI.userListJoiningsRepository)
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private userListJoiningsRepository: UserListJoiningsRepository,
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private utilityService: UtilityService,
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private idService: IdService,
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private globalEventServie: GlobalEventService,
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) {
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this.#antennasFetched = false;
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this.#antennas = [];
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this.#blockingCache = new Cache<User['id'][]>(1000 * 60 * 5);
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this.redisSubscriber.on('message', this.onRedisMessage);
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}
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public onApplicationShutdown(signal?: string | undefined) {
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this.redisSubscriber.off('message', this.onRedisMessage);
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}
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private async onRedisMessage(_, data) {
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const obj = JSON.parse(data);
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if (obj.channel === 'internal') {
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const { type, body } = obj.message;
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switch (type) {
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case 'antennaCreated':
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this.#antennas.push(body);
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break;
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case 'antennaUpdated':
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this.#antennas[this.#antennas.findIndex(a => a.id === body.id)] = body;
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break;
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case 'antennaDeleted':
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this.#antennas = this.#antennas.filter(a => a.id !== body.id);
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break;
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default:
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break;
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}
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}
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}
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public async addNoteToAntenna(antenna: Antenna, note: Note, noteUser: { id: User['id']; }): Promise<void> {
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// 通知しない設定になっているか、自分自身の投稿なら既読にする
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const read = !antenna.notify || (antenna.userId === noteUser.id);
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this.antennaNotesRepository.insert({
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id: this.idService.genId(),
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antennaId: antenna.id,
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noteId: note.id,
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read: read,
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});
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this.globalEventServie.publishAntennaStream(antenna.id, 'note', note);
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if (!read) {
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const mutings = await this.mutingsRepository.find({
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where: {
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muterId: antenna.userId,
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},
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select: ['muteeId'],
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});
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// Copy
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const _note: Note = {
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...note,
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};
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if (note.replyId != null) {
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_note.reply = await this.notesRepository.findOneByOrFail({ id: note.replyId });
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}
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if (note.renoteId != null) {
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_note.renote = await this.notesRepository.findOneByOrFail({ id: note.renoteId });
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}
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if (isUserRelated(_note, new Set<string>(mutings.map(x => x.muteeId)))) {
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return;
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}
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// 2秒経っても既読にならなかったら通知
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setTimeout(async () => {
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const unread = await this.antennaNotesRepository.findOneBy({ antennaId: antenna.id, read: false });
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if (unread) {
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this.globalEventServie.publishMainStream(antenna.userId, 'unreadAntenna', antenna);
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}
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}, 2000);
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}
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}
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// NOTE: フォローしているユーザーのノート、リストのユーザーのノート、グループのユーザーのノート指定はパフォーマンス上の理由で無効になっている
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/**
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* noteUserFollowers / antennaUserFollowing はどちらか一方が指定されていればよい
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*/
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public async checkHitAntenna(antenna: Antenna, note: (Note | Packed<'Note'>), noteUser: { id: User['id']; username: string; host: string | null; }, noteUserFollowers?: User['id'][], antennaUserFollowing?: User['id'][]): Promise<boolean> {
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if (note.visibility === 'specified') return false;
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// アンテナ作成者がノート作成者にブロックされていたらスキップ
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const blockings = await this.#blockingCache.fetch(noteUser.id, () => this.blockingsRepository.findBy({ blockerId: noteUser.id }).then(res => res.map(x => x.blockeeId)));
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if (blockings.some(blocking => blocking === antenna.userId)) return false;
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if (note.visibility === 'followers') {
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if (noteUserFollowers && !noteUserFollowers.includes(antenna.userId)) return false;
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if (antennaUserFollowing && !antennaUserFollowing.includes(note.userId)) return false;
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}
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if (!antenna.withReplies && note.replyId != null) return false;
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if (antenna.src === 'home') {
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if (noteUserFollowers && !noteUserFollowers.includes(antenna.userId)) return false;
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if (antennaUserFollowing && !antennaUserFollowing.includes(note.userId)) return false;
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} else if (antenna.src === 'list') {
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const listUsers = (await this.userListJoiningsRepository.findBy({
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userListId: antenna.userListId!,
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})).map(x => x.userId);
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if (!listUsers.includes(note.userId)) return false;
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} else if (antenna.src === 'group') {
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const joining = await this.userGroupJoiningsRepository.findOneByOrFail({ id: antenna.userGroupJoiningId! });
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const groupUsers = (await this.userGroupJoiningsRepository.findBy({
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userGroupId: joining.userGroupId,
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})).map(x => x.userId);
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if (!groupUsers.includes(note.userId)) return false;
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} else if (antenna.src === 'users') {
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const accts = antenna.users.map(x => {
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const { username, host } = Acct.parse(x);
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return this.utilityService.getFullApAccount(username, host).toLowerCase();
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});
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if (!accts.includes(this.utilityService.getFullApAccount(noteUser.username, noteUser.host).toLowerCase())) return false;
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}
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const keywords = antenna.keywords
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// Clean up
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.map(xs => xs.filter(x => x !== ''))
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.filter(xs => xs.length > 0);
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if (keywords.length > 0) {
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if (note.text == null) return false;
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const matched = keywords.some(and =>
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and.every(keyword =>
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antenna.caseSensitive
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? note.text!.includes(keyword)
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: note.text!.toLowerCase().includes(keyword.toLowerCase()),
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));
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if (!matched) return false;
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}
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const excludeKeywords = antenna.excludeKeywords
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// Clean up
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.map(xs => xs.filter(x => x !== ''))
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.filter(xs => xs.length > 0);
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if (excludeKeywords.length > 0) {
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if (note.text == null) return false;
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const matched = excludeKeywords.some(and =>
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and.every(keyword =>
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antenna.caseSensitive
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? note.text!.includes(keyword)
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: note.text!.toLowerCase().includes(keyword.toLowerCase()),
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));
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if (matched) return false;
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}
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if (antenna.withFile) {
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if (note.fileIds && note.fileIds.length === 0) return false;
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}
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// TODO: eval expression
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return true;
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}
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public async getAntennas() {
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if (!this.#antennasFetched) {
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this.#antennas = await this.antennasRepository.find();
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this.#antennasFetched = true;
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}
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return this.#antennas;
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}
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}
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