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/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { Inject, Injectable } from '@nestjs/common';
import { Endpoint } from '@/server/api/endpoint-base.js';
import type { ChannelsRepository, MiMeta, NotesRepository } from '@/models/_.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 { FanoutTimelineEndpointService } from '@/core/FanoutTimelineEndpointService.js';
import { MiLocalUser } from '@/models/User.js';
import { ApiError } from '../../error.js';
import { Brackets } from 'typeorm';
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' },
allowPartial: { type: 'boolean', default: false }, // true is recommended but for compatibility false by default
withRenotes: { type: 'boolean', default: true },
withFiles: {
type: 'boolean',
default: false,
description: 'Only show notes that have attached files.',
},
},
required: ['channelId'],
} as const;
@Injectable()
export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
constructor(
@Inject(DI.meta)
private serverSettings: MiMeta,
@Inject(DI.notesRepository)
private notesRepository: NotesRepository,
@Inject(DI.channelsRepository)
private channelsRepository: ChannelsRepository,
private idService: IdService,
private noteEntityService: NoteEntityService,
private queryService: QueryService,
private fanoutTimelineEndpointService: FanoutTimelineEndpointService,
private activeUsersChart: ActiveUsersChart,
) {
super(meta, paramDef, async (ps, me) => {
const untilId = ps.untilId ?? (ps.untilDate ? this.idService.gen(ps.untilDate!) : null);
const sinceId = ps.sinceId ?? (ps.sinceDate ? this.idService.gen(ps.sinceDate!) : null);
const channel = await this.channelsRepository.findOneBy({
id: ps.channelId,
});
if (channel == null) {
throw new ApiError(meta.errors.noSuchChannel);
}
if (me) this.activeUsersChart.read(me);
if (!this.serverSettings.enableFanoutTimeline) {
return await this.noteEntityService.packMany(await this.getFromDb({ untilId, sinceId, limit: ps.limit, channelId: channel.id, withFiles: ps.withFiles, withRenotes: ps.withRenotes }, me), me);
}
return await this.fanoutTimelineEndpointService.timeline({
untilId,
sinceId,
limit: ps.limit,
allowPartial: ps.allowPartial,
me,
useDbFallback: true,
redisTimelines: [`channelTimeline:${channel.id}`],
excludePureRenotes: !ps.withRenotes,
excludeNoFiles: ps.withFiles,
dbFallback: async (untilId, sinceId, limit) => {
return await this.getFromDb({ untilId, sinceId, limit, channelId: channel.id, withFiles: ps.withFiles, withRenotes: ps.withRenotes }, me);
},
});
});
}
private async getFromDb(ps: {
untilId: string | null,
sinceId: string | null,
limit: number,
channelId: string,
withFiles: boolean,
withRenotes: boolean,
}, me: MiLocalUser | null) {
//#region fallback to database
const query = this.queryService.makePaginationQuery(this.notesRepository.createQueryBuilder('note'), ps.sinceId, ps.untilId)
.andWhere('note.channelId = :channelId', { channelId: ps.channelId })
.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.generateBlockedUserQuery(query, me);
}
if (ps.withRenotes === false) {
query.andWhere(new Brackets(qb => {
qb.orWhere('note.renoteId IS NULL');
qb.orWhere(new Brackets(qb => {
qb.orWhere('note.text IS NOT NULL');
qb.orWhere('note.fileIds != \'{}\'');
}));
}));
}
if (ps.withFiles) {
query.andWhere('note.fileIds != \'{}\'');
}
//#endregion
return await query.limit(ps.limit).getMany();
}
}
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