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import { Inject, Injectable } from '@nestjs/common';
import * as Redis from 'ioredis';
import { Endpoint } from '@/server/api/endpoint-base.js';
import type { ChannelsRepository, Note, NotesRepository } from '@/models/index.js';
import { QueryService } from '@/core/QueryService.js';
import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
import ActiveUsersChart from '@/core/chart/charts/active-users.js';
import { DI } from '@/di-symbols.js';
import { IdService } from '@/core/IdService.js';
import { ApiError } from '../../error.js';
export const meta = {
tags: ['notes', 'channels'],
requireCredential: false,
res: {
type: 'array',
optional: false, nullable: false,
items: {
type: 'object',
optional: false, nullable: false,
ref: 'Note',
},
},
errors: {
noSuchChannel: {
message: 'No such channel.',
code: 'NO_SUCH_CHANNEL',
id: '4d0eeeba-a02c-4c3c-9966-ef60d38d2e7f',
},
},
} as const;
export const paramDef = {
type: 'object',
properties: {
channelId: { type: 'string', format: 'misskey:id' },
limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
sinceId: { type: 'string', format: 'misskey:id' },
untilId: { type: 'string', format: 'misskey:id' },
sinceDate: { type: 'integer' },
untilDate: { type: 'integer' },
},
required: ['channelId'],
} as const;
// eslint-disable-next-line import/no-default-export
@Injectable()
export default class extends Endpoint<typeof meta, typeof paramDef> {
constructor(
@Inject(DI.redis)
private redisClient: Redis.Redis,
@Inject(DI.notesRepository)
private notesRepository: NotesRepository,
@Inject(DI.channelsRepository)
private channelsRepository: ChannelsRepository,
private idService: IdService,
private noteEntityService: NoteEntityService,
private queryService: QueryService,
private activeUsersChart: ActiveUsersChart,
) {
super(meta, paramDef, async (ps, me) => {
const channel = await this.channelsRepository.findOneBy({
id: ps.channelId,
});
if (channel == null) {
throw new ApiError(meta.errors.noSuchChannel);
}
let timeline: Note[] = [];
const limit = ps.limit + (ps.untilId ? 1 : 0); // untilIdに指定したものも含まれるため+1
let noteIdsRes: [string, string[]][] = [];
if (!ps.sinceId && !ps.sinceDate) {
noteIdsRes = await this.redisClient.xrevrange(
`channelTimeline:${channel.id}`,
ps.untilId ? this.idService.parse(ps.untilId).date.getTime() : ps.untilDate ?? '+',
'-',
'COUNT', limit);
}
// redis から取得していないとき・取得数が足りないとき
if (noteIdsRes.length < limit) {
//#region Construct query
const query = this.queryService.makePaginationQuery(this.notesRepository.createQueryBuilder('note'), ps.sinceId, ps.untilId, ps.sinceDate, ps.untilDate)
.andWhere('note.channelId = :channelId', { channelId: channel.id })
.innerJoinAndSelect('note.user', 'user')
.leftJoinAndSelect('note.reply', 'reply')
.leftJoinAndSelect('note.renote', 'renote')
.leftJoinAndSelect('reply.user', 'replyUser')
.leftJoinAndSelect('renote.user', 'renoteUser')
.leftJoinAndSelect('note.channel', 'channel');
if (me) {
this.queryService.generateMutedUserQuery(query, me);
this.queryService.generateMutedNoteQuery(query, me);
this.queryService.generateBlockedUserQuery(query, me);
}
//#endregion
timeline = await query.limit(ps.limit).getMany();
} else {
const noteIds = noteIdsRes.map(x => x[1][1]).filter(x => x !== ps.untilId);
if (noteIds.length === 0) {
return [];
}
//#region Construct query
const query = this.notesRepository.createQueryBuilder('note')
.where('note.id IN (:...noteIds)', { noteIds: noteIds })
.innerJoinAndSelect('note.user', 'user')
.leftJoinAndSelect('note.reply', 'reply')
.leftJoinAndSelect('note.renote', 'renote')
.leftJoinAndSelect('reply.user', 'replyUser')
.leftJoinAndSelect('renote.user', 'renoteUser')
.leftJoinAndSelect('note.channel', 'channel');
if (me) {
this.queryService.generateMutedUserQuery(query, me);
this.queryService.generateMutedNoteQuery(query, me);
this.queryService.generateBlockedUserQuery(query, me);
}
//#endregion
timeline = await query.getMany();
timeline.sort((a, b) => a.id > b.id ? -1 : 1);
}
if (me) this.activeUsersChart.read(me);
return await this.noteEntityService.packMany(timeline, me);
});
}
}
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