62 lines
1.6 KiB
TypeScript
62 lines
1.6 KiB
TypeScript
import { IsNull } from 'typeorm';
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import { Inject, Injectable } from '@nestjs/common';
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import type { UsedUsernamesRepository, UsersRepository } from '@/models/index.js';
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import { Endpoint } from '@/server/api/endpoint-base.js';
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import { localUsernameSchema } from '@/models/entities/User.js';
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import { DI } from '@/di-symbols.js';
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import { MetaService } from '@/core/MetaService.js';
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export const meta = {
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tags: ['users'],
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requireCredential: false,
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res: {
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type: 'object',
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optional: false, nullable: false,
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properties: {
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available: {
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type: 'boolean',
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optional: false, nullable: false,
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},
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},
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},
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} as const;
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export const paramDef = {
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type: 'object',
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properties: {
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username: localUsernameSchema,
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},
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required: ['username'],
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} as const;
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// eslint-disable-next-line import/no-default-export
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@Injectable()
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export default class extends Endpoint<typeof meta, typeof paramDef> {
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constructor(
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@Inject(DI.usersRepository)
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private usersRepository: UsersRepository,
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@Inject(DI.usedUsernamesRepository)
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private usedUsernamesRepository: UsedUsernamesRepository,
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private metaService: MetaService,
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) {
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super(meta, paramDef, async (ps, me) => {
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const exist = await this.usersRepository.countBy({
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host: IsNull(),
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usernameLower: ps.username.toLowerCase(),
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});
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const exist2 = await this.usedUsernamesRepository.countBy({ username: ps.username.toLowerCase() });
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const meta = await this.metaService.fetch();
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const isPreserved = meta.preservedUsernames.map(x => x.toLowerCase()).includes(ps.username.toLowerCase());
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return {
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available: exist === 0 && exist2 === 0 && !isPreserved,
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};
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});
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}
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}
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