파파고 번역 시 내용을 합쳐서 한번에 처리하지 않고 개별로 API를 호출해서 번역 처리

src/main/kotlin/kr/co/vividnext/sodalive/i18n/translation/PapagoTranslationService.kt

@@ -20,7 +20,7 @@ class PapagoTranslationService(
     private val papagoTranslateUrl = "https://papago.apigw.ntruss.com/nmt/v1/translation"
 
     fun translate(request: TranslateRequest): TranslateResult {
-        if (request.texts.isEmpty()) {
+        if (request.texts.isEmpty() || request.sourceLanguage == request.targetLanguage) {
             return TranslateResult(emptyList())
         }
 
@@ -32,17 +32,14 @@ class PapagoTranslationService(
             set("X-NCP-APIGW-API-KEY", papagoClientSecret)
         }
 
-        val chunks = chunkTexts(request.texts)
         val translatedTexts = mutableListOf<String>()
 
-        chunks.forEach { chunk ->
-            val textsInChunkCount = chunk.split(DELIMITER).size
-
+        request.texts.forEach { text ->
             try {
                 val body = mapOf(
                     "source" to request.sourceLanguage,
                     "target" to request.targetLanguage,
-                    "text" to chunk
+                    "text" to text
                 )
 
                 val requestEntity = HttpEntity(body, headers)
@@ -58,13 +55,8 @@ class PapagoTranslationService(
                 }
 
                 val translated = response.body?.message?.result?.translatedText
-                if (translated.isNullOrBlank()) {
-                    repeat(textsInChunkCount) { translatedTexts.add("") }
-                } else {
-                    translated.split(DELIMITER).forEach { translatedTexts.add(it) }
-                }
+                translatedTexts.add(translated ?: "")
             } catch (_: Exception) {
-                repeat(textsInChunkCount) { translatedTexts.add("") }
             }
         }
 
@@ -83,26 +75,6 @@ class PapagoTranslationService(
         }
     }
 
-    private fun chunkTexts(texts: List<String>): List<String> {
-        if (texts.isEmpty()) return emptyList()
-        val chunks = mutableListOf<String>()
-        var startIndex = 0
-        while (startIndex < texts.size) {
-            var endIndex = texts.size
-            while (endIndex > startIndex) {
-                val candidate = texts.subList(startIndex, endIndex)
-                val joined = candidate.joinToString(DELIMITER)
-                if (joined.length <= MAX_TEXT_LENGTH || endIndex - startIndex == 1) {
-                    chunks.add(joined)
-                    startIndex = endIndex
-                    break
-                }
-                endIndex--
-            }
-        }
-        return chunks
-    }
-
     companion object {
         private val SUPPORTED_LANGUAGE_CODES = setOf(
             "ko",
@@ -120,8 +92,5 @@ class PapagoTranslationService(
             "pt",
             "it"
         )
-
-        private const val DELIMITER = "\u001F\u001E\u001D\u001C\u001F\u001E\u001D\u001C"
-        private const val MAX_TEXT_LENGTH = 3000
     }
 }