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import ms from 'ms';
import { Inject, Injectable } from '@nestjs/common';
import { Endpoint } from '@/server/api/endpoint-base.js';
import type { UsersRepository, FollowingsRepository } from '@/models/index.js';
import { IdentifiableError } from '@/misc/identifiable-error.js';
import { UserEntityService } from '@/core/entities/UserEntityService.js';
import { UserFollowingService } from '@/core/UserFollowingService.js';
import { DI } from '@/di-symbols.js';
import { GetterService } from '@/server/api/GetterService.js';
import { ApiError } from '../../error.js';
export const meta = {
tags: ['following', 'users'],
limit: {
duration: ms('1hour'),
max: 50,
},
requireCredential: true,
prohibitMoved: true,
kind: 'write:following',
errors: {
noSuchUser: {
message: 'No such user.',
code: 'NO_SUCH_USER',
id: 'fcd2eef9-a9b2-4c4f-8624-038099e90aa5',
},
followeeIsYourself: {
message: 'Followee is yourself.',
code: 'FOLLOWEE_IS_YOURSELF',
id: '26fbe7bb-a331-4857-af17-205b426669a9',
},
alreadyFollowing: {
message: 'You are already following that user.',
code: 'ALREADY_FOLLOWING',
id: '35387507-38c7-4cb9-9197-300b93783fa0',
},
blocking: {
message: 'You are blocking that user.',
code: 'BLOCKING',
id: '4e2206ec-aa4f-4960-b865-6c23ac38e2d9',
},
blocked: {
message: 'You are blocked by that user.',
code: 'BLOCKED',
id: 'c4ab57cc-4e41-45e9-bfd9-584f61e35ce0',
},
},
res: {
type: 'object',
optional: false, nullable: false,
ref: 'UserLite',
},
} as const;
export const paramDef = {
type: 'object',
properties: {
userId: { type: 'string', format: 'misskey:id' },
},
required: ['userId'],
} 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 getterService: GetterService,
private userFollowingService: UserFollowingService,
) {
super(meta, paramDef, async (ps, me) => {
const follower = me;
// 自分自身
if (me.id === ps.userId) {
throw new ApiError(meta.errors.followeeIsYourself);
}
// Get followee
const followee = await this.getterService.getUser(ps.userId).catch(err => {
if (err.id === '15348ddd-432d-49c2-8a5a-8069753becff') throw new ApiError(meta.errors.noSuchUser);
throw err;
});
// Check if already following
const exist = await this.followingsRepository.exist({
where: {
followerId: follower.id,
followeeId: followee.id,
},
});
if (exist) {
throw new ApiError(meta.errors.alreadyFollowing);
}
try {
await this.userFollowingService.follow(follower, followee);
} catch (e) {
if (e instanceof IdentifiableError) {
if (e.id === '710e8fb0-b8c3-4922-be49-d5d93d8e6a6e') throw new ApiError(meta.errors.blocking);
if (e.id === '3338392a-f764-498d-8855-db939dcf8c48') throw new ApiError(meta.errors.blocked);
}
throw e;
}
return await this.userEntityService.pack(followee.id, me);
});
}
}
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