puyoskey/packages/backend/src/server/api/endpoints/gallery/featured.ts

78 lines
2.3 KiB
TypeScript

/*
* SPDX-FileCopyrightText: syuilo and other misskey contributors
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { Inject, Injectable } from '@nestjs/common';
import { Endpoint } from '@/server/api/endpoint-base.js';
import type { GalleryPostsRepository } from '@/models/_.js';
import { GalleryPostEntityService } from '@/core/entities/GalleryPostEntityService.js';
import { DI } from '@/di-symbols.js';
import { FeaturedService } from '@/core/FeaturedService.js';
export const meta = {
tags: ['gallery'],
requireCredential: false,
res: {
type: 'array',
optional: false, nullable: false,
items: {
type: 'object',
optional: false, nullable: false,
ref: 'GalleryPost',
},
},
} as const;
export const paramDef = {
type: 'object',
properties: {
limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
untilId: { type: 'string', format: 'misskey:id' },
},
required: [],
} as const;
@Injectable()
export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
private galleryPostsRankingCache: string[] = [];
private galleryPostsRankingCacheLastFetchedAt = 0;
constructor(
@Inject(DI.galleryPostsRepository)
private galleryPostsRepository: GalleryPostsRepository,
private galleryPostEntityService: GalleryPostEntityService,
private featuredService: FeaturedService,
) {
super(meta, paramDef, async (ps, me) => {
let postIds: string[];
if (this.galleryPostsRankingCacheLastFetchedAt !== 0 && (Date.now() - this.galleryPostsRankingCacheLastFetchedAt < 1000 * 60 * 30)) {
postIds = this.galleryPostsRankingCache;
} else {
postIds = await this.featuredService.getGalleryPostsRanking(100);
this.galleryPostsRankingCache = postIds;
this.galleryPostsRankingCacheLastFetchedAt = Date.now();
}
postIds.sort((a, b) => a > b ? -1 : 1);
if (ps.untilId) {
postIds = postIds.filter(id => id < ps.untilId!);
}
postIds = postIds.slice(0, ps.limit);
if (postIds.length === 0) {
return [];
}
const query = this.galleryPostsRepository.createQueryBuilder('post')
.where('post.id IN (:...postIds)', { postIds: postIds });
const posts = await query.getMany();
return await this.galleryPostEntityService.packMany(posts, me);
});
}
}