From a5b6e807bb6aaf3212f88b4ec4f96c285a80e390 Mon Sep 17 00:00:00 2001
From: syuilo <Syuilotan@yahoo.co.jp>
Date: Fri, 6 Oct 2023 18:30:08 +0900
Subject: feat: per user featured notes

---
 .../src/server/api/endpoints/notes/featured.ts     |  7 +-
 .../server/api/endpoints/users/featured-notes.ts   | 80 ++++++++++++++++++++++
 2 files changed, 85 insertions(+), 2 deletions(-)
 create mode 100644 packages/backend/src/server/api/endpoints/users/featured-notes.ts

(limited to 'packages/backend/src/server/api/endpoints')

diff --git a/packages/backend/src/server/api/endpoints/notes/featured.ts b/packages/backend/src/server/api/endpoints/notes/featured.ts
index bf4ad1deb6..c456874309 100644
--- a/packages/backend/src/server/api/endpoints/notes/featured.ts
+++ b/packages/backend/src/server/api/endpoints/notes/featured.ts
@@ -32,7 +32,7 @@ export const paramDef = {
 	type: 'object',
 	properties: {
 		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
-		offset: { type: 'integer', default: 0 },
+		untilId: { type: 'string', format: 'misskey:id' },
 		channelId: { type: 'string', nullable: true, format: 'misskey:id' },
 	},
 	required: [],
@@ -69,7 +69,10 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			}
 
 			noteIds.sort((a, b) => a > b ? -1 : 1);
-			noteIds.slice(ps.offset, ps.offset + ps.limit);
+			if (ps.untilId) {
+				noteIds = noteIds.filter(id => id < ps.untilId!);
+			}
+			noteIds = noteIds.slice(0, ps.limit);
 
 			const query = this.notesRepository.createQueryBuilder('note')
 				.where('note.id IN (:...noteIds)', { noteIds: noteIds })
diff --git a/packages/backend/src/server/api/endpoints/users/featured-notes.ts b/packages/backend/src/server/api/endpoints/users/featured-notes.ts
new file mode 100644
index 0000000000..fdf36a6ae0
--- /dev/null
+++ b/packages/backend/src/server/api/endpoints/users/featured-notes.ts
@@ -0,0 +1,80 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and other misskey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { Inject, Injectable } from '@nestjs/common';
+import type { NotesRepository } from '@/models/_.js';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
+import { DI } from '@/di-symbols.js';
+import { FeaturedService } from '@/core/FeaturedService.js';
+
+export const meta = {
+	tags: ['notes'],
+
+	requireCredential: false,
+	allowGet: true,
+	cacheSec: 3600,
+
+	res: {
+		type: 'array',
+		optional: false, nullable: false,
+		items: {
+			type: 'object',
+			optional: false, nullable: false,
+			ref: 'Note',
+		},
+	},
+} as const;
+
+export const paramDef = {
+	type: 'object',
+	properties: {
+		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
+		untilId: { type: 'string', format: 'misskey:id' },
+		userId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['userId'],
+} as const;
+
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
+	constructor(
+		@Inject(DI.notesRepository)
+		private notesRepository: NotesRepository,
+
+		private noteEntityService: NoteEntityService,
+		private featuredService: FeaturedService,
+	) {
+		super(meta, paramDef, async (ps, me) => {
+			let noteIds = await this.featuredService.getPerUserNotesRanking(ps.userId, 50);
+
+			if (noteIds.length === 0) {
+				return [];
+			}
+
+			noteIds.sort((a, b) => a > b ? -1 : 1);
+			if (ps.untilId) {
+				noteIds = noteIds.filter(id => id < ps.untilId!);
+			}
+			noteIds = noteIds.slice(0, ps.limit);
+
+			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');
+
+			const notes = await query.getMany();
+			notes.sort((a, b) => a.id > b.id ? -1 : 1);
+
+			// TODO: ミュート等考慮
+
+			return await this.noteEntityService.packMany(notes, me);
+		});
+	}
+}
-- 
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