Update server.js

server.js

@@ -1,24 +1,24 @@
-const express = require('express')
-const bodyParser = require('body-parser')
-const { translate } = require('./translate')
-const cors = require('cors')
-const fs = require('fs')
-const app = express()
-const PORT = 7860
+const express = require('express');
+const bodyParser = require('body-parser');
+const { translate } = require('./translate');
+const cors = require('cors');
+const fs = require('fs');
+const app = express();
+const PORT = 7860;
 
-app.use(cors({ origin: '*' }))
-app.use(bodyParser.json())
+app.use(cors({ origin: '*' }));
+app.use(bodyParser.json());
 
-let delay = 1500
-const delayIncrement = 100
-const maxDelay = 5000
-let currentTranslations = 0
+let delay = 1500;
+const delayIncrement = 100;
+const maxDelay = 5000;
+let currentTranslations = 0;
 
 function delayFileTermination(delay) {
   if (fs.existsSync('delay.txt')) {
     delay = parseInt(fs.readFileSync('delay.txt', 'utf8'));
   } else {
-    fs.writeFile('delay.txt', `delay:${delay}`, function(err) {
+    fs.writeFile('delay.txt', `delay:${delay}`, function (err) {
       if (err === null) {
         console.log('success');
       } else {
@@ -28,49 +28,50 @@ function delayFileTermination(delay) {
   }
 }
 
-
-
-console.log('File system loaded')
+console.log('File system loaded');
 
 app.post('/translate', async (req, res) => {
   console.log('Translate start');
-  currentTranslations++; 
+  currentTranslations++;
 
   const { text, source_lang, target_lang } = req.body;
 
   try {
-    await new Promise(resolve => setTimeout(resolve, delay)); 
-
-    const result = await translate(text, source_lang, target_lang); 
+    await new Promise((resolve) => setTimeout(resolve, delay));
+    const result = await translate(text, source_lang, target_lang);
     const responseData = {
-      alternatives: result.alternatives, 
+      alternatives: result.alternatives,
       code: 200,
-      data: result.text, 
-      id: Math.floor(Math.random() * 10000000000), 
+      data: result.text,
+      id: Math.floor(Math.random() * 10000000000),
       method: 'Free',
       source_lang,
       target_lang,
     };
     res.json(responseData);
     console.log(`"${text}" -> "${result.text}"`);
-
   } catch (error) {
-    console.error(`Translation failed: ${error}`); 
-    delay += 100; // delay 증가
-    delayFileTermination(delay); 
-    console.log(`현재 Delay 타임: ${delay}ms`); 
+    console.error(`Translation failed: ${error}`);
+    res.status(500).json({ error: 'Translation failed' });
+    delay += delayIncrement;
+    if (delay > maxDelay) {
+      delay = maxDelay;
+    }
+    delayFileTermination(delay);
+    console.log(`현재 Delay 타임: ${delay}ms`);
   } finally {
-    currentTranslations--; // 번역 처리가 끝나면 감소
+    currentTranslations--;
   }
 });
 
 app.get('/', (req, res) => {
-  const delayMessage = fs.existsSync('delay.txt') ? fs.readFileSync('delay.txt', 'utf8') : '0'
-  const statusMessage = `서버가 구동되었습니다. 현재 딜레이 시간은 ${delay}ms이며, 현재 처리 중인 번역 요청 수는 ${currentTranslations}건입니다.`
-  res.send(statusMessage)
-  
-})
+  const delayMessage = fs.existsSync('delay.txt')
+    ? fs.readFileSync('delay.txt', 'utf8')
+    : '0';
+  const statusMessage = `서버가 구동되었습니다. 현재 딜레이 시간은 ${delay}ms이며, 현재 처리 중인 번역 요청 수는 ${currentTranslations}건입니다.`;
+  res.send(statusMessage);
+});
 
 app.listen(PORT, () => {
-  console.log(`Server is running on http://localhost:${PORT}`)
-})
+  console.log(`Server is running on http://localhost:${PORT}`);
+});