mizzkey/packages/backend/src/server/api/endpoints/users/recommendation.ts
2022-09-21 05:33:11 +09:00

79 lines
2.4 KiB
TypeScript

import ms from 'ms';
import { Inject, Injectable } from '@nestjs/common';
import type { UsersRepository, FollowingsRepository } from '@/models/index.js';
import { Endpoint } from '@/server/api/endpoint-base.js';
import { QueryService } from '@/core/QueryService.js';
import { UserEntityService } from '@/core/entities/UserEntityService.js';
import { DI } from '@/di-symbols.js';
export const meta = {
tags: ['users'],
requireCredential: true,
kind: 'read:account',
description: 'Show users that the authenticated user might be interested to follow.',
res: {
type: 'array',
optional: false, nullable: false,
items: {
type: 'object',
optional: false, nullable: false,
ref: 'UserDetailed',
},
},
} as const;
export const paramDef = {
type: 'object',
properties: {
limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
offset: { type: 'integer', default: 0 },
},
required: [],
} as const;
// eslint-disable-next-line import/no-default-export
@Injectable()
export default class extends Endpoint<typeof meta, typeof paramDef> {
constructor(
@Inject(DI.usersRepository)
private usersRepository: UsersRepository,
@Inject(DI.followingsRepository)
private followingsRepository: FollowingsRepository,
private userEntityService: UserEntityService,
private queryService: QueryService,
) {
super(meta, paramDef, async (ps, me) => {
const query = this.usersRepository.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');
this.queryService.generateMutedUserQueryForUsers(query, me);
this.queryService.generateBlockQueryForUsers(query, me);
this.queryService.generateBlockedUserQuery(query, me);
const followingQuery = this.followingsRepository.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 this.userEntityService.packMany(users, me, { detail: true });
});
}
}