なんかもうめっちゃ変えた

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

@@ -1,12 +1,15 @@
 import { URLSearchParams } from 'node:url';
 import fetch from 'node-fetch';
-import config from '@/config/index.js';
-import { getAgentByUrl } from '@/misc/fetch.js';
-import { fetchMeta } from '@/misc/fetch-meta.js';
-import { Notes } from '@/models/index.js';
+import { Inject, Injectable } from '@nestjs/common';
+import { NotesRepository } from '@/models/index.js';
+import { Endpoint } from '@/server/api/endpoint-base.js';
+import { 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 { ApiError } from '../../error.js';
-import { getNote } from '../../common/getters.js';
-import define from '../../define.js';
+import { GetterService } from '../../common/GetterService.js';
 
 export const meta = {
 	tags: ['notes'],
@@ -37,58 +40,74 @@ export const paramDef = {
 } as const;
 
 // eslint-disable-next-line import/no-default-export
-export default define(meta, paramDef, async (ps, user) => {
-	const note = await getNote(ps.noteId).catch(e => {
-		if (e.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
-		throw e;
-	});
+@Injectable()
+export default class extends Endpoint<typeof meta, typeof paramDef> {
+	constructor(
+		@Inject(DI.config)
+		private config: Config,
+	
+		@Inject(DI.notesRepository)
+		private notesRepository: NotesRepository,
 
-	if (!(await Notes.isVisibleForMe(note, user ? user.id : null))) {
-		return 204; // TODO: 良い感じのエラー返す
-	}
+		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 (note.text == null) {
-		return 204;
-	}
+			if (!(await this.noteEntityService.isVisibleForMe(note, me ? me.id : null))) {
+				return 204; // TODO: 良い感じのエラー返す
+			}
 
-	const instance = await fetchMeta();
+			if (note.text == null) {
+				return 204;
+			}
 
-	if (instance.deeplAuthKey == null) {
-		return 204; // TODO: 良い感じのエラー返す
-	}
+			const instance = await this.metaService.fetch();
 
-	let targetLang = ps.targetLang;
-	if (targetLang.includes('-')) targetLang = targetLang.split('-')[0];
+			if (instance.deeplAuthKey == null) {
+				return 204; // TODO: 良い感じのエラー返す
+			}
 
-	const params = new URLSearchParams();
-	params.append('auth_key', instance.deeplAuthKey);
-	params.append('text', note.text);
-	params.append('target_lang', targetLang);
+			let targetLang = ps.targetLang;
+			if (targetLang.includes('-')) targetLang = targetLang.split('-')[0];
 
-	const endpoint = instance.deeplIsPro ? 'https://api.deepl.com/v2/translate' : 'https://api-free.deepl.com/v2/translate';
+			const params = new URLSearchParams();
+			params.append('auth_key', instance.deeplAuthKey);
+			params.append('text', note.text);
+			params.append('target_lang', targetLang);
 
-	const res = await fetch(endpoint, {
-		method: 'POST',
-		headers: {
-			'Content-Type': 'application/x-www-form-urlencoded',
-			'User-Agent': config.userAgent,
-			Accept: 'application/json, */*',
-		},
-		body: params,
-		// TODO
-		//timeout: 10000,
-		agent: getAgentByUrl,
-	});
+			const endpoint = instance.deeplIsPro ? 'https://api.deepl.com/v2/translate' : 'https://api-free.deepl.com/v2/translate';
 
-	const json = (await res.json()) as {
+			const res = await fetch(endpoint, {
+				method: 'POST',
+				headers: {
+					'Content-Type': 'application/x-www-form-urlencoded',
+					'User-Agent': config.userAgent,
+					Accept: 'application/json, */*',
+				},
+				body: params,
+				// TODO
+				//timeout: 10000,
+				agent: (url) => this.httpRequestService.getAgentByUrl(url),
+			});
+
+			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,
-	};
-});
+			return {
+				sourceLang: json.translations[0].detected_source_language,
+				text: json.translations[0].text,
+			};
+		});
+	}
+}