refactoring

Resolve #7779

packages/backend/src/server/api/endpoints/users/recommendation.ts

@@ -0,0 +1,63 @@
+import * as ms from 'ms';
+import $ from 'cafy';
+import define from '../../define';
+import { Users, Followings } from '@/models/index';
+import { generateMutedUserQueryForUsers } from '../../common/generate-muted-user-query';
+import { generateBlockedUserQuery, generateBlockQueryForUsers } from '../../common/generate-block-query';
+
+export const meta = {
+	tags: ['users'],
+
+	requireCredential: true as const,
+
+	kind: 'read:account',
+
+	params: {
+		limit: {
+			validator: $.optional.num.range(1, 100),
+			default: 10
+		},
+
+		offset: {
+			validator: $.optional.num.min(0),
+			default: 0
+		}
+	},
+
+	res: {
+		type: 'array' as const,
+		optional: false as const, nullable: false as const,
+		items: {
+			type: 'object' as const,
+			optional: false as const, nullable: false as const,
+			ref: 'User',
+		}
+	},
+};
+
+export default define(meta, async (ps, me) => {
+	const query = Users.createQueryBuilder('user')
+		.where('user.isLocked = FALSE')
+		.andWhere('user.isExplorable = TRUE')
+		.andWhere('user.host IS NULL')
+		.andWhere('user.updatedAt >= :date', { date: new Date(Date.now() - ms('7days')) })
+		.andWhere('user.id != :meId', { meId: me.id })
+		.orderBy('user.followersCount', 'DESC');
+
+	generateMutedUserQueryForUsers(query, me);
+	generateBlockQueryForUsers(query, me);
+	generateBlockedUserQuery(query, me);
+
+	const followingQuery = Followings.createQueryBuilder('following')
+		.select('following.followeeId')
+		.where('following.followerId = :followerId', { followerId: me.id });
+
+	query
+		.andWhere(`user.id NOT IN (${ followingQuery.getQuery() })`);
+
+	query.setParameters(followingQuery.getParameters());
+
+	const users = await query.take(ps.limit!).skip(ps.offset).getMany();
+
+	return await Users.packMany(users, me, { detail: true });
+});