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enhance(backend): improve fanout tl for stl

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This commit is contained in:
syuilo 2023-10-18 15:51:50 +09:00
parent 6b7efb6f1d
commit 6b5ee43800
1 changed files with 103 additions and 35 deletions
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84
packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts
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@ -5,7 +5,6 @@
import { Brackets } from 'typeorm';
import { Inject, Injectable } from '@nestjs/common';
import * as Redis from 'ioredis';
import type { NotesRepository, FollowingsRepository, MiNote } from '@/models/_.js';
import { Endpoint } from '@/server/api/endpoint-base.js';
import ActiveUsersChart from '@/core/chart/charts/active-users.js';
@ -16,6 +15,8 @@ import { IdService } from '@/core/IdService.js';
import { isUserRelated } from '@/misc/is-user-related.js';
import { CacheService } from '@/core/CacheService.js';
import { FunoutTimelineService } from '@/core/FunoutTimelineService.js';
import { QueryService } from '@/core/QueryService.js';
import { UserFollowingService } from '@/core/UserFollowingService.js';
import { ApiError } from '../../error.js';
export const meta = {
@ -63,9 +64,6 @@ export const paramDef = {
@Injectable()
export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
constructor(
@Inject(DI.redisForTimelines)
private redisForTimelines: Redis.Redis,
@Inject(DI.notesRepository)
private notesRepository: NotesRepository,
@ -75,6 +73,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
private idService: IdService,
private cacheService: CacheService,
private funoutTimelineService: FunoutTimelineService,
private queryService: QueryService,
private userFollowingService: UserFollowingService,
) {
super(meta, paramDef, async (ps, me) => {
const untilId = ps.untilId ?? (ps.untilDate ? this.idService.gen(ps.untilDate!) : null);
@ -96,6 +96,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
]);
let noteIds: string[];
let shouldFallbackToDb = false;
if (ps.withFiles) {
const [htlNoteIds, ltlNoteIds] = await this.funoutTimelineService.getMulti([
@ -116,15 +117,13 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
'localTimeline',
], untilId, sinceId);
noteIds = Array.from(new Set([...htlNoteIds, ...ltlNoteIds]));
shouldFallbackToDb = htlNoteIds.length === 0;
}
noteIds.sort((a, b) => a > b ? -1 : 1);
noteIds = noteIds.slice(0, ps.limit);
if (noteIds.length === 0) {
return [];
}
if (!shouldFallbackToDb) {
const query = this.notesRepository.createQueryBuilder('note')
.where('note.id IN (:...noteIds)', { noteIds: noteIds })
.innerJoinAndSelect('note.user', 'user')
@ -161,6 +160,75 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
});
return await this.noteEntityService.packMany(timeline, me);
} else { // fallback to db
const followees = await this.userFollowingService.getFollowees(me.id);
const query = this.queryService.makePaginationQuery(this.notesRepository.createQueryBuilder('note'),
ps.sinceId, ps.untilId, ps.sinceDate, ps.untilDate)
.andWhere(new Brackets(qb => {
if (followees.length > 0) {
const meOrFolloweeIds = [me.id, ...followees.map(f => f.followeeId)];
qb.where('note.userId IN (:...meOrFolloweeIds)', { meOrFolloweeIds: meOrFolloweeIds });
qb.orWhere('(note.visibility = \'public\') AND (note.userHost IS NULL)');
} else {
qb.where('note.userId = :meId', { meId: me.id });
qb.orWhere('(note.visibility = \'public\') AND (note.userHost IS NULL)');
}
}))
.innerJoinAndSelect('note.user', 'user')
.leftJoinAndSelect('note.reply', 'reply')
.leftJoinAndSelect('note.renote', 'renote')
.leftJoinAndSelect('reply.user', 'replyUser')
.leftJoinAndSelect('renote.user', 'renoteUser');
this.queryService.generateVisibilityQuery(query, me);
this.queryService.generateMutedUserQuery(query, me);
this.queryService.generateBlockedUserQuery(query, me);
this.queryService.generateMutedUserRenotesQueryForNotes(query, me);
if (ps.includeMyRenotes === false) {
query.andWhere(new Brackets(qb => {
qb.orWhere('note.userId != :meId', { meId: me.id });
qb.orWhere('note.renoteId IS NULL');
qb.orWhere('note.text IS NOT NULL');
qb.orWhere('note.fileIds != \'{}\'');
qb.orWhere('0 < (SELECT COUNT(*) FROM poll WHERE poll."noteId" = note.id)');
}));
}
if (ps.includeRenotedMyNotes === false) {
query.andWhere(new Brackets(qb => {
qb.orWhere('note.renoteUserId != :meId', { meId: me.id });
qb.orWhere('note.renoteId IS NULL');
qb.orWhere('note.text IS NOT NULL');
qb.orWhere('note.fileIds != \'{}\'');
qb.orWhere('0 < (SELECT COUNT(*) FROM poll WHERE poll."noteId" = note.id)');
}));
}
if (ps.includeLocalRenotes === false) {
query.andWhere(new Brackets(qb => {
qb.orWhere('note.renoteUserHost IS NOT NULL');
qb.orWhere('note.renoteId IS NULL');
qb.orWhere('note.text IS NOT NULL');
qb.orWhere('note.fileIds != \'{}\'');
qb.orWhere('0 < (SELECT COUNT(*) FROM poll WHERE poll."noteId" = note.id)');
}));
}
if (ps.withFiles) {
query.andWhere('note.fileIds != \'{}\'');
}
//#endregion
const timeline = await query.limit(ps.limit).getMany();
process.nextTick(() => {
this.activeUsersChart.read(me);
});
return await this.noteEntityService.packMany(timeline, me);
}
});
}
}