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fix(backend): ギャラリーの人気の投稿の選出にidを用いるように (#12448)

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zyoshoka 2023-11-26 10:05:56 +09:00 committed by GitHub
parent 7a494b2aa7
commit 2ee48ae04d
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4 changed files with 60 additions and 7 deletions
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13
packages/backend/src/core/FeaturedService.ts
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@ -5,11 +5,12 @@
import { Inject, Injectable } from '@nestjs/common';
import * as Redis from 'ioredis';
import type { MiNote, MiUser } from '@/models/_.js';
import type { MiGalleryPost, MiNote, MiUser } from '@/models/_.js';
import { DI } from '@/di-symbols.js';
import { bindThis } from '@/decorators.js';
const GLOBAL_NOTES_RANKING_WINDOW = 1000 * 60 * 60 * 24 * 3; // 3日ごと
export const GALLERY_POSTS_RANKING_WINDOW = 1000 * 60 * 60 * 24 * 3; // 3日ごと
const PER_USER_NOTES_RANKING_WINDOW = 1000 * 60 * 60 * 24 * 7; // 1週間ごと
const HASHTAG_RANKING_WINDOW = 1000 * 60 * 60; // 1時間ごと
@ -79,6 +80,11 @@ export class FeaturedService {
return this.updateRankingOf('featuredGlobalNotesRanking', GLOBAL_NOTES_RANKING_WINDOW, noteId, score);
}
@bindThis
public updateGalleryPostsRanking(galleryPostId: MiGalleryPost['id'], score = 1): Promise<void> {
return this.updateRankingOf('featuredGalleryPostsRanking', GALLERY_POSTS_RANKING_WINDOW, galleryPostId, score);
}
@bindThis
public updateInChannelNotesRanking(channelId: MiNote['channelId'], noteId: MiNote['id'], score = 1): Promise<void> {
return this.updateRankingOf(`featuredInChannelNotesRanking:${channelId}`, GLOBAL_NOTES_RANKING_WINDOW, noteId, score);
@ -99,6 +105,11 @@ export class FeaturedService {
return this.getRankingOf('featuredGlobalNotesRanking', GLOBAL_NOTES_RANKING_WINDOW, threshold);
}
@bindThis
public getGalleryPostsRanking(threshold: number): Promise<MiGalleryPost['id'][]> {
return this.getRankingOf('featuredGalleryPostsRanking', GALLERY_POSTS_RANKING_WINDOW, threshold);
}
@bindThis
public getInChannelNotesRanking(channelId: MiNote['channelId'], threshold: number): Promise<MiNote['id'][]> {
return this.getRankingOf(`featuredInChannelNotesRanking:${channelId}`, GLOBAL_NOTES_RANKING_WINDOW, threshold);

37
packages/backend/src/server/api/endpoints/gallery/featured.ts
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@ -8,6 +8,7 @@ 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'],
@ -27,25 +28,49 @@ export const meta = {
export const paramDef = {
type: 'object',
properties: {},
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) => {
const query = this.galleryPostsRepository.createQueryBuilder('post')
.andWhere('post.createdAt > :date', { date: new Date(Date.now() - (1000 * 60 * 60 * 24 * 3)) })
.andWhere('post.likedCount > 0')
.orderBy('post.likedCount', 'DESC');
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();
}
const posts = await query.limit(10).getMany();
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);
});

7
packages/backend/src/server/api/endpoints/gallery/posts/like.ts
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@ -6,6 +6,7 @@
import { Inject, Injectable } from '@nestjs/common';
import { Endpoint } from '@/server/api/endpoint-base.js';
import type { GalleryLikesRepository, GalleryPostsRepository } from '@/models/_.js';
import { FeaturedService, GALLERY_POSTS_RANKING_WINDOW } from '@/core/FeaturedService.js';
import { IdService } from '@/core/IdService.js';
import { DI } from '@/di-symbols.js';
import { ApiError } from '../../../error.js';
@ -57,6 +58,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
@Inject(DI.galleryLikesRepository)
private galleryLikesRepository: GalleryLikesRepository,
private featuredService: FeaturedService,
private idService: IdService,
) {
super(meta, paramDef, async (ps, me) => {
@ -88,6 +90,11 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
userId: me.id,
});
// ランキング更新
if (Date.now() - this.idService.parse(post.id).date.getTime() < GALLERY_POSTS_RANKING_WINDOW) {
await this.featuredService.updateGalleryPostsRanking(post.id, 1);
}
this.galleryPostsRepository.increment({ id: post.id }, 'likedCount', 1);
});
}

10
packages/backend/src/server/api/endpoints/gallery/posts/unlike.ts
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@ -6,6 +6,8 @@
import { Inject, Injectable } from '@nestjs/common';
import { Endpoint } from '@/server/api/endpoint-base.js';
import type { GalleryPostsRepository, GalleryLikesRepository } from '@/models/_.js';
import { FeaturedService, GALLERY_POSTS_RANKING_WINDOW } from '@/core/FeaturedService.js';
import { IdService } from '@/core/IdService.js';
import { DI } from '@/di-symbols.js';
import { ApiError } from '../../../error.js';
@ -49,6 +51,9 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
@Inject(DI.galleryLikesRepository)
private galleryLikesRepository: GalleryLikesRepository,
private featuredService: FeaturedService,
private idService: IdService,
) {
super(meta, paramDef, async (ps, me) => {
const post = await this.galleryPostsRepository.findOneBy({ id: ps.postId });
@ -68,6 +73,11 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
// Delete like
await this.galleryLikesRepository.delete(exist.id);
// ランキング更新
if (Date.now() - this.idService.parse(post.id).date.getTime() < GALLERY_POSTS_RANKING_WINDOW) {
await this.featuredService.updateGalleryPostsRanking(post.id, -1);
}
this.galleryPostsRepository.decrement({ id: post.id }, 'likedCount', 1);
});
}