From 82e511457689322bd81542096b8f709102e94faa Mon Sep 17 00:00:00 2001
From: naskya <m@naskya.net>
Date: Tue, 29 Aug 2023 14:20:54 +0900
Subject: [PATCH] feat: post translation in Traditional Chinese

---
 packages/backend/package.json                        |  1 +
 .../src/server/api/endpoints/notes/translate.ts      | 12 ++++++++++--
 pnpm-lock.yaml                                       |  7 +++++++
 3 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/packages/backend/package.json b/packages/backend/package.json
index 3305504898..db8050df71 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -100,6 +100,7 @@
 		"nodemailer": "6.9.4",
 		"nsfwjs": "2.4.2",
 		"oauth": "^0.10.0",
+		"opencc-js": "^1.0.5",
 		"os-utils": "0.0.14",
 		"otpauth": "^9.1.4",
 		"parse5": "7.1.2",
diff --git a/packages/backend/src/server/api/endpoints/notes/translate.ts b/packages/backend/src/server/api/endpoints/notes/translate.ts
index d86fc12a2e..414e761c1c 100644
--- a/packages/backend/src/server/api/endpoints/notes/translate.ts
+++ b/packages/backend/src/server/api/endpoints/notes/translate.ts
@@ -1,6 +1,7 @@
 import { URLSearchParams } from "node:url";
 import fetch from "node-fetch";
 import config from "@/config/index.js";
+import { Converter } from "opencc-js";
 import { getAgentByUrl } from "@/misc/fetch.js";
 import { fetchMeta } from "@/misc/fetch-meta.js";
 import { Notes } from "@/models/index.js";
@@ -38,6 +39,13 @@ export const paramDef = {
 	required: ["noteId", "targetLang"],
 } as const;
 
+function convertChinese(convert: boolean, src: string) {
+	if (!convert) return src;
+
+	const converter = Converter({ from: "cn", to: "twp" });
+	return converter(src);
+}
+
 export default define(meta, paramDef, async (ps, user) => {
 	const note = await getNote(ps.noteId, user).catch((err) => {
 		if (err.id === "9725d0ce-ba28-4dde-95a7-2cbb2c15de24")
@@ -93,7 +101,7 @@ export default define(meta, paramDef, async (ps, user) => {
 
 		return {
 			sourceLang: json.detectedLanguage?.language,
-			text: json.translatedText,
+			text: convertChinese(ps.targetLang === "zh-TW", json.translatedText),
 		};
 	}
 
@@ -128,6 +136,6 @@ export default define(meta, paramDef, async (ps, user) => {
 
 	return {
 		sourceLang: json.translations[0].detected_source_language,
-		text: json.translations[0].text,
+		text: convertChinese(ps.targetLang === "zh-TW", json.translations[0].text),
 	};
 });
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 73c2b678b7..18b16333d9 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -303,6 +303,9 @@ importers:
       oauth:
         specifier: ^0.10.0
         version: 0.10.0
+      opencc-js:
+        specifier: ^1.0.5
+        version: 1.0.5
       os-utils:
         specifier: 0.0.14
         version: 0.0.14
@@ -14555,6 +14558,10 @@ packages:
       is-wsl: 2.2.0
     dev: true
 
+  /opencc-js@1.0.5:
+    resolution: {integrity: sha512-LD+1SoNnZdlRwtYTjnQdFrSVCAaYpuDqL5CkmOaHOkKoKh7mFxUicLTRVNLU5C+Jmi1vXQ3QL4jWdgSaa4sKjg==}
+    dev: false
+
   /opencollective-postinstall@2.0.3:
     resolution: {integrity: sha512-8AV/sCtuzUeTo8gQK5qDZzARrulB3egtLzFgteqB2tcT4Mw7B8Kt7JcDHmltjz6FOAHsvTevk70gZEbhM4ZS9Q==}
     hasBin: true