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perf(backend): cache timeline of a channel to redis

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This commit is contained in:
syuilo 2023-04-03 11:49:58 +09:00
parent a0c3dede8e
commit 4f9f625e65
4 changed files with 53 additions and 4 deletions
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8
packages/backend/src/core/NoteCreateService.ts
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@ -1,6 +1,7 @@
import { setImmediate } from 'node:timers/promises';
import * as mfm from 'mfm-js';
import { In, DataSource } from 'typeorm';
import Redis from 'ioredis';
import { Inject, Injectable, OnApplicationShutdown } from '@nestjs/common';
import { extractMentions } from '@/misc/extract-mentions.js';
import { extractCustomEmojisFromMfm } from '@/misc/extract-custom-emojis-from-mfm.js';
@ -150,6 +151,9 @@ export class NoteCreateService implements OnApplicationShutdown {
@Inject(DI.db)
private db: DataSource,
@Inject(DI.redis)
private redisClient: Redis.Redis,
@Inject(DI.usersRepository)
private usersRepository: UsersRepository,
@ -321,6 +325,10 @@ export class NoteCreateService implements OnApplicationShutdown {
const note = await this.insertNote(user, data, tags, emojis, mentionedUsers);
if (data.channel) {
this.redisClient.xadd(`channelTimeline:${data.channel.id}`, 'MAXLEN', '~', '1000', `${this.idService.parse(note.id).date.getTime()}-*`, 'note', note.id);
}
setImmediate('post created', { signal: this.#shutdownController.signal }).then(
() => this.postNoteCreated(note, user, data, silent, tags!, mentionedUsers!),
() => { /* aborted, ignore this */ },