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/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { IsNull } from 'typeorm';
import { Inject, Injectable } from '@nestjs/common';
import type { MiMeta, UsedUsernamesRepository, UsersRepository } from '@/models/_.js';
import { Endpoint } from '@/server/api/endpoint-base.js';
import { localUsernameSchema } from '@/models/User.js';
import { DI } from '@/di-symbols.js';
export const meta = {
tags: ['users'],
requireCredential: false,
res: {
type: 'object',
optional: false, nullable: false,
properties: {
available: {
type: 'boolean',
optional: false, nullable: false,
},
},
},
// 5 calls per second
limit: {
duration: 1000,
max: 5,
},
} as const;
export const paramDef = {
type: 'object',
properties: {
username: localUsernameSchema,
},
required: ['username'],
} as const;
@Injectable()
export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-disable-line import/no-default-export
constructor(
@Inject(DI.meta)
private serverSettings: MiMeta,
@Inject(DI.usersRepository)
private usersRepository: UsersRepository,
@Inject(DI.usedUsernamesRepository)
private usedUsernamesRepository: UsedUsernamesRepository,
) {
super(meta, paramDef, async (ps, me) => {
const exist = await this.usersRepository.countBy({
host: IsNull(),
usernameLower: ps.username.toLowerCase(),
});
const exist2 = await this.usedUsernamesRepository.countBy({ username: ps.username.toLowerCase() });
const isPreserved = this.serverSettings.preservedUsernames.map(x => x.toLowerCase()).includes(ps.username.toLowerCase());
return {
available: exist === 0 && exist2 === 0 && !isPreserved,
};
});
}
}
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