egirlskey/packages/backend/src/server/api/endpoints/notes/translate.ts

109 lines
3.0 KiB
TypeScript

import { URLSearchParams } from 'node:url';
import { Inject, Injectable } from '@nestjs/common';
import type { NotesRepository } from '@/models/index.js';
import { Endpoint } from '@/server/api/endpoint-base.js';
import type { Config } from '@/config.js';
import { DI } from '@/di-symbols.js';
import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
import { MetaService } from '@/core/MetaService.js';
import { HttpRequestService } from '@/core/HttpRequestService.js';
import { GetterService } from '@/server/api/GetterService.js';
import { ApiError } from '../../error.js';
export const meta = {
tags: ['notes'],
requireCredential: false,
res: {
type: 'object',
optional: false, nullable: false,
},
errors: {
noSuchNote: {
message: 'No such note.',
code: 'NO_SUCH_NOTE',
id: 'bea9b03f-36e0-49c5-a4db-627a029f8971',
},
},
} as const;
export const paramDef = {
type: 'object',
properties: {
noteId: { type: 'string', format: 'misskey:id' },
targetLang: { type: 'string' },
},
required: ['noteId', 'targetLang'],
} as const;
// eslint-disable-next-line import/no-default-export
@Injectable()
export default class extends Endpoint<typeof meta, typeof paramDef> {
constructor(
@Inject(DI.config)
private config: Config,
@Inject(DI.notesRepository)
private notesRepository: NotesRepository,
private noteEntityService: NoteEntityService,
private getterService: GetterService,
private metaService: MetaService,
private httpRequestService: HttpRequestService,
) {
super(meta, paramDef, async (ps, me) => {
const note = await this.getterService.getNote(ps.noteId).catch(err => {
if (err.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
throw err;
});
if (!(await this.noteEntityService.isVisibleForMe(note, me ? me.id : null))) {
return 204; // TODO: 良い感じのエラー返す
}
if (note.text == null) {
return 204;
}
const instance = await this.metaService.fetch();
if (instance.deeplAuthKey == null) {
return 204; // TODO: 良い感じのエラー返す
}
let targetLang = ps.targetLang;
if (targetLang.includes('-')) targetLang = targetLang.split('-')[0];
const params = new URLSearchParams();
params.append('auth_key', instance.deeplAuthKey);
params.append('text', note.text);
params.append('target_lang', targetLang);
const endpoint = instance.deeplIsPro ? 'https://api.deepl.com/v2/translate' : 'https://api-free.deepl.com/v2/translate';
const res = await this.httpRequestService.send(endpoint, {
method: 'POST',
headers: {
'Content-Type': 'application/x-www-form-urlencoded',
Accept: 'application/json, */*',
},
body: params.toString(),
});
const json = (await res.json()) as {
translations: {
detected_source_language: string;
text: string;
}[];
};
return {
sourceLang: json.translations[0].detected_source_language,
text: json.translations[0].text,
};
});
}
}