refactoring

Resolve #7779

packages/backend/src/server/api/endpoints/notes/mentions.ts

@@ -0,0 +1,88 @@
+import $ from 'cafy';
+import { ID } from '@/misc/cafy-id';
+import define from '../../define';
+import read from '@/services/note/read';
+import { Notes, Followings } from '@/models/index';
+import { generateVisibilityQuery } from '../../common/generate-visibility-query';
+import { generateMutedUserQuery } from '../../common/generate-muted-user-query';
+import { makePaginationQuery } from '../../common/make-pagination-query';
+import { Brackets } from 'typeorm';
+import { generateBlockedUserQuery } from '../../common/generate-block-query';
+import { generateMutedNoteThreadQuery } from '../../common/generate-muted-note-thread-query';
+
+export const meta = {
+	tags: ['notes'],
+
+	requireCredential: true as const,
+
+	params: {
+		following: {
+			validator: $.optional.bool,
+			default: false
+		},
+
+		limit: {
+			validator: $.optional.num.range(1, 100),
+			default: 10
+		},
+
+		sinceId: {
+			validator: $.optional.type(ID),
+		},
+
+		untilId: {
+			validator: $.optional.type(ID),
+		},
+
+		visibility: {
+			validator: $.optional.str,
+		},
+	},
+
+	res: {
+		type: 'array' as const,
+		optional: false as const, nullable: false as const,
+		items: {
+			type: 'object' as const,
+			optional: false as const, nullable: false as const,
+			ref: 'Note',
+		}
+	},
+};
+
+export default define(meta, async (ps, user) => {
+	const followingQuery = Followings.createQueryBuilder('following')
+		.select('following.followeeId')
+		.where('following.followerId = :followerId', { followerId: user.id });
+
+	const query = makePaginationQuery(Notes.createQueryBuilder('note'), ps.sinceId, ps.untilId)
+		.andWhere(new Brackets(qb => { qb
+			.where(`'{"${user.id}"}' <@ note.mentions`)
+			.orWhere(`'{"${user.id}"}' <@ note.visibleUserIds`);
+		}))
+		.innerJoinAndSelect('note.user', 'user')
+		.leftJoinAndSelect('note.reply', 'reply')
+		.leftJoinAndSelect('note.renote', 'renote')
+		.leftJoinAndSelect('reply.user', 'replyUser')
+		.leftJoinAndSelect('renote.user', 'renoteUser');
+
+	generateVisibilityQuery(query, user);
+	generateMutedUserQuery(query, user);
+	generateMutedNoteThreadQuery(query, user);
+	generateBlockedUserQuery(query, user);
+
+	if (ps.visibility) {
+		query.andWhere('note.visibility = :visibility', { visibility: ps.visibility });
+	}
+
+	if (ps.following) {
+		query.andWhere(`((note.userId IN (${ followingQuery.getQuery() })) OR (note.userId = :meId))`, { meId: user.id });
+		query.setParameters(followingQuery.getParameters());
+	}
+
+	const mentions = await query.take(ps.limit!).getMany();
+
+	read(user.id, mentions);
+
+	return await Notes.packMany(mentions, user);
+});