enhance: 人気のPlayを10件以上表示できるように (#14443)

Co-authored-by: osamu <46447427+sam-osamu@users.noreply.github.com>

5 files changed, 90 insertions, 23 deletions

diff --git a/packages/backend/src/core/CoreModule.ts b/packages/backend/src/core/CoreModule.ts
index 3b3c35f976..734d135648 100644
--- a/packages/backend/src/core/CoreModule.ts
+++ b/packages/backend/src/core/CoreModule.ts
@@ -14,6 +14,7 @@ import { AbuseReportNotificationService } from '@/core/AbuseReportNotificationSe
 import { SystemWebhookService } from '@/core/SystemWebhookService.js';
 import { UserSearchService } from '@/core/UserSearchService.js';
 import { WebhookTestService } from '@/core/WebhookTestService.js';
+import { FlashService } from '@/core/FlashService.js';
 import { AccountMoveService } from './AccountMoveService.js';
 import { AccountUpdateService } from './AccountUpdateService.js';
 import { AiService } from './AiService.js';
@@ -217,6 +218,7 @@ const $SystemWebhookService: Provider = { provide: 'SystemWebhookService', useEx
 const $WebhookTestService: Provider = { provide: 'WebhookTestService', useExisting: WebhookTestService };
 const $UtilityService: Provider = { provide: 'UtilityService', useExisting: UtilityService };
 const $FileInfoService: Provider = { provide: 'FileInfoService', useExisting: FileInfoService };
+const $FlashService: Provider = { provide: 'FlashService', useExisting: FlashService };
 const $SearchService: Provider = { provide: 'SearchService', useExisting: SearchService };
 const $ClipService: Provider = { provide: 'ClipService', useExisting: ClipService };
 const $FeaturedService: Provider = { provide: 'FeaturedService', useExisting: FeaturedService };
@@ -367,6 +369,7 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		WebhookTestService,
 		UtilityService,
 		FileInfoService,
+		FlashService,
 		SearchService,
 		ClipService,
 		FeaturedService,
@@ -513,6 +516,7 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		$WebhookTestService,
 		$UtilityService,
 		$FileInfoService,
+		$FlashService,
 		$SearchService,
 		$ClipService,
 		$FeaturedService,
@@ -660,6 +664,7 @@ const $ApQuestionService: Provider = { provide: 'ApQuestionService', useExisting
 		WebhookTestService,
 		UtilityService,
 		FileInfoService,
+		FlashService,
 		SearchService,
 		ClipService,
 		FeaturedService,
diff --git a/packages/backend/src/core/FlashService.ts b/packages/backend/src/core/FlashService.ts
new file mode 100644
index 0000000000..2a98225382
--- /dev/null
+++ b/packages/backend/src/core/FlashService.ts
@@ -0,0 +1,40 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Inject, Injectable } from '@nestjs/common';
+import { DI } from '@/di-symbols.js';
+import { type FlashsRepository } from '@/models/_.js';
+
+/**
+ * MisskeyPlay関係のService
+ */
+@Injectable()
+export class FlashService {
+	constructor(
+		@Inject(DI.flashsRepository)
+		private flashRepository: FlashsRepository,
+	) {
+	}
+
+	/**
+	 * 人気のあるPlay一覧を取得する.
+	 */
+	public async featured(opts?: { offset?: number, limit: number }) {
+		const builder = this.flashRepository.createQueryBuilder('flash')
+			.andWhere('flash.likedCount > 0')
+			.andWhere('flash.visibility = :visibility', { visibility: 'public' })
+			.addOrderBy('flash.likedCount', 'DESC')
+			.addOrderBy('flash.updatedAt', 'DESC')
+			.addOrderBy('flash.id', 'DESC');
+
+		if (opts?.offset) {
+			builder.skip(opts.offset);
+		}
+
+		builder.take(opts?.limit ?? 10);
+
+		return await builder.getMany();
+	}
+}
diff --git a/packages/backend/src/core/entities/FlashEntityService.ts b/packages/backend/src/core/entities/FlashEntityService.ts
index 4aa7104c1e..0cdcf3310a 100644
--- a/packages/backend/src/core/entities/FlashEntityService.ts
+++ b/packages/backend/src/core/entities/FlashEntityService.ts
@@ -5,10 +5,8 @@
 
 import { Inject, Injectable } from '@nestjs/common';
 import { DI } from '@/di-symbols.js';
-import type { FlashsRepository, FlashLikesRepository } from '@/models/_.js';
-import { awaitAll } from '@/misc/prelude/await-all.js';
+import type { FlashLikesRepository, FlashsRepository } from '@/models/_.js';
 import type { Packed } from '@/misc/json-schema.js';
-import type { } from '@/models/Blocking.js';
 import type { MiUser } from '@/models/User.js';
 import type { MiFlash } from '@/models/Flash.js';
 import { bindThis } from '@/decorators.js';
@@ -20,10 +18,8 @@ export class FlashEntityService {
 	constructor(
 		@Inject(DI.flashsRepository)
 		private flashsRepository: FlashsRepository,
-
 		@Inject(DI.flashLikesRepository)
 		private flashLikesRepository: FlashLikesRepository,
-
 		private userEntityService: UserEntityService,
 		private idService: IdService,
 	) {
@@ -34,25 +30,36 @@ export class FlashEntityService {
 		src: MiFlash['id'] | MiFlash,
 		me?: { id: MiUser['id'] } | null | undefined,
 		hint?: {
-			packedUser?: Packed<'UserLite'>
+			packedUser?: Packed<'UserLite'>,
+			likedFlashIds?: MiFlash['id'][],
 		},
 	): Promise<Packed<'Flash'>> {
 		const meId = me ? me.id : null;
 		const flash = typeof src === 'object' ? src : await this.flashsRepository.findOneByOrFail({ id: src });
 
-		return await awaitAll({
+		// { schema: 'UserDetailed' } すると無限ループするので注意
+		const user = hint?.packedUser ?? await this.userEntityService.pack(flash.user ?? flash.userId, me);
+
+		let isLiked = false;
+		if (meId) {
+			isLiked = hint?.likedFlashIds
+				? hint.likedFlashIds.includes(flash.id)
+				: await this.flashLikesRepository.exists({ where: { flashId: flash.id, userId: meId } });
+		}
+
+		return {
 			id: flash.id,
 			createdAt: this.idService.parse(flash.id).date.toISOString(),
 			updatedAt: flash.updatedAt.toISOString(),
 			userId: flash.userId,
-			user: hint?.packedUser ?? this.userEntityService.pack(flash.user ?? flash.userId, me), // { schema: 'UserDetailed' } すると無限ループするので注意
+			user: user,
 			title: flash.title,
 			summary: flash.summary,
 			script: flash.script,
 			visibility: flash.visibility,
 			likedCount: flash.likedCount,
-			isLiked: meId ? await this.flashLikesRepository.exists({ where: { flashId: flash.id, userId: meId } }) : undefined,
-		});
+			isLiked: isLiked,
+		};
 	}
 
 	@bindThis
@@ -63,7 +70,19 @@ export class FlashEntityService {
 		const _users = flashes.map(({ user, userId }) => user ?? userId);
 		const _userMap = await this.userEntityService.packMany(_users, me)
 			.then(users => new Map(users.map(u => [u.id, u])));
-		return Promise.all(flashes.map(flash => this.pack(flash, me, { packedUser: _userMap.get(flash.userId) })));
+		const _likedFlashIds = me
+			? await this.flashLikesRepository.createQueryBuilder('flashLike')
+				.select('flashLike.flashId')
+				.where('flashLike.userId = :userId', { userId: me.id })
+				.getRawMany<{ flashLike_flashId: string }>()
+				.then(likes => [...new Set(likes.map(like => like.flashLike_flashId))])
+			: [];
+		return Promise.all(
+			flashes.map(flash => this.pack(flash, me, {
+				packedUser: _userMap.get(flash.userId),
+				likedFlashIds: _likedFlashIds,
+			})),
+		);
 	}
 }
 
diff --git a/packages/backend/src/models/Flash.ts b/packages/backend/src/models/Flash.ts
index a1469a0d94..5db7dca992 100644
--- a/packages/backend/src/models/Flash.ts
+++ b/packages/backend/src/models/Flash.ts
@@ -7,6 +7,9 @@ import { Entity, Index, JoinColumn, Column, PrimaryColumn, ManyToOne } from 'typ
 import { id } from './util/id.js';
 import { MiUser } from './User.js';
 
+export const flashVisibility = ['public', 'private'] as const;
+export type FlashVisibility = typeof flashVisibility[number];
+
 @Entity('flash')
 export class MiFlash {
 	@PrimaryColumn(id())
@@ -63,5 +66,5 @@ export class MiFlash {
 	@Column('varchar', {
 		length: 512, default: 'public',
 	})
-	public visibility: 'public' | 'private';
+	public visibility: FlashVisibility;
 }
diff --git a/packages/backend/src/server/api/endpoints/flash/featured.ts b/packages/backend/src/server/api/endpoints/flash/featured.ts
index c2d6ab5085..9a0cb461f2 100644
--- a/packages/backend/src/server/api/endpoints/flash/featured.ts
+++ b/packages/backend/src/server/api/endpoints/flash/featured.ts
@@ -8,6 +8,7 @@ import type { FlashsRepository } from '@/models/_.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { FlashEntityService } from '@/core/entities/FlashEntityService.js';
 import { DI } from '@/di-symbols.js';
+import { FlashService } from '@/core/FlashService.js';
 
 export const meta = {
 	tags: ['flash'],
@@ -27,26 +28,25 @@ export const meta = {
 
 export const paramDef = {
 	type: 'object',
-	properties: {},
+	properties: {
+		offset: { type: 'integer', minimum: 0, default: 0 },
+		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
+	},
 	required: [],
 } as const;
 
 @Injectable()
 export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
 	constructor(
-		@Inject(DI.flashsRepository)
-		private flashsRepository: FlashsRepository,
-
+		private flashService: FlashService,
 		private flashEntityService: FlashEntityService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const query = this.flashsRepository.createQueryBuilder('flash')
-				.andWhere('flash.likedCount > 0')
-				.orderBy('flash.likedCount', 'DESC');
-
-			const flashs = await query.limit(10).getMany();
-
-			return await this.flashEntityService.packMany(flashs, me);
+			const result = await this.flashService.featured({
+				offset: ps.offset,
+				limit: ps.limit,
+			});
+			return await this.flashEntityService.packMany(result, me);
 		});
 	}
 }