DeepL: Text, Translate

// GraalJS Script (engine type: 2)

//////// START "main()" /////////////////////////////////////////////////////////////////
main();
function main(){ 

//// == Config Retrieving / 工程コンフィグの参照 ==
const strAuthKey          = configs.get      ( "StrConfU" );     /// REQUIRED
const strSourceLang       = configs.get      ( "StrConfA1" );    // NotRequired
  if( strSourceLang     === "" ){
    engine.log( " AutomatedTask ConfigWarning:" +
                " Config {A1:SourceLang} is empty" );
  }else{
    engine.log( " AutomatedTask Config: SourceLang: " + strSourceLang );
  }
const strSourceText       = configs.get      ( "StrConfA2" );    /// REQUIRED
  if( strSourceText     === "" ){
    throw new Error( "\n AutomatedTask ConfigError:" +
                     " Config {A2:SourceText} is empty \n" );
  }
let   strSourceFormat     = "text";
let   strSourceFormatTmp  = configs.get      ( "StrConfA3" );    // NotRequired
  if( strSourceFormatTmp === "xml" ){
      strSourceFormat     = "xml";
  }else if( strSourceFormatTmp === "html" ){ // regarded as "xml" for versatility
      strSourceFormat     = "xml";
  }
const strTargetLang       = configs.get      ( "StrConfB1" );    /// REQUIRED
  if( strTargetLang     === "" ){
    throw new Error( "\n AutomatedTask ConfigError:" +
                     " Config {B1:TargetLang} is empty \n" );
  }
const strPocketTargetText = configs.getObject( "SelectConfB2" ); /// REQUIRED
let   strFormality        = configs.get      ( "StrConfB3" );    // NotRequired


//// == Data Retrieving / ワークフローデータの参照 ==
// (Nothing. Retrieved via Expression Language in Config Retrieving)


//// == Calculating / 演算 ==
/// (DeepL > Translating text)
/// https://www.deepl.com/docs-api/translating-text/request/
// request1, prepare
let postUri1 = "https://api.deepl.com/v2/translate";
let request1 = httpClient.begin(); // HttpRequestWrapper
    request1 = request1.queryParam( "auth_key",     strAuthKey );
    request1 = request1.queryParam( "text",         strSourceText );
    if( strSourceFormat === "xml" ){
      request1 = request1.queryParam( "tag_handling", strSourceFormat );
    }
    if( strSourceLang !== "" ){
      request1 = request1.queryParam( "source_lang",  strSourceLang );
    }
    request1 = request1.queryParam( "target_lang",  strTargetLang );
// request1, try
const response1     = request1.post( postUri1 ); // HttpResponseWrapper
engine.log( " AutomatedTask ApiRequest1 Start: " + postUri1 );
const response1Code = response1.getStatusCode() + "";
const response1Body = response1.getResponseAsString() + "";
engine.log( " AutomatedTask ApiResponse Status: " + response1Code );
if( response1Code !== "200"){
  throw new Error( "\n AutomatedTask UnexpectedResponseError: " +
                    response1Code + "\n" + response1Body + "\n" );
}
// response1, parse
engine.log( response1Body ); // debug
/*
{
  "translations": [
    {
      "detected_source_language":"EN",
      "text":"私は猫です。まだ、名前はありません。どこで生まれたのかもわかりません。"
    }
  ]
}
*/
const response1Obj  = JSON.parse( response1Body );
let   strTargetLangDetected = response1Obj.translations[0].detected_source_language;
engine.log( " AutomatedTask ApiResponce1: Detected Lang: " + strTargetLangDetected );
let   strTargetText = response1Obj.translations[0].text;

//// == Data Updating / ワークフローデータへの代入 ==
engine.setData( strPocketTargetText,  strTargetText );


} //////// END "main()" /////////////////////////////////////////////////////////////////



/*
Notes:
- Translates String in the workflow. Machine translation is performed using DeepL API v2.
    - Charged for Cloud Translation based on monthly usage.
    - https://www.deepl.com/pro#developer
- The input text can be plain text or XML. (any XML tags in the input not be translated)
    - https://www.deepl.com/docs-api/handling-xml/
- You need an authentication key to access to the API.
    - Account Settings: https://www.deepl.com/pro-account/plan
- The request size should not exceed 30k bytes.

Notes-ja:
- ワークフローに格納されている「文字列」を自動翻訳します。DeepL API v2 で機械翻訳されます。
    - 月間使用量に基づいて料金が請求されます。
    - https://www.deepl.com/pro#developer
- プレーンテキストまたはXMLフォーマットの文字列を翻訳します。（XMLタグは翻訳されません）
    - https://www.deepl.com/docs-api/handling-xml/
- APIにアクセスするための認証キーが必要です。
    - Account Settings: https://www.deepl.com/pro-account/plan
- リクエストの上限は 30k bytes です。
*/


/*
APPENDIX
- Supported Language Codes in DeepL API (v2) - Can be specified in lowercase
    - Language of the text to be translated (Source Lang)
        - "DE" - German
        - "EN" - English
        - "FR" - French
        - "IT" - Italian
        - "JA" - Japanese
        - "ES" - Spanish
        - "NL" - Dutch
        - "PL" - Polish
        - "PT" - Portuguese (all Portuguese varieties mixed)
        - "RU" - Russian
        - "ZH" - Chinese
    - The language into which the text should be translated. (Target Lang)
        - "DE" - German
        - "EN-GB" - English (British)
        - "EN-US" - English (American)
        - "EN" - English (for backward compatibility; please select EN-GB or EN-US instead)
        - "FR" - French
        - "IT" - Italian
        - "JA" - Japanese
        - "ES" - Spanish
        - "NL" - Dutch
        - "PL" - Polish
        - "PT-PT" - Portuguese (all Portuguese varieties excluding Brazilian Portuguese)
        - "PT-BR" - Portuguese (Brazilian)
        - "PT" - Portuguese (for backward compatibility; please select PT-PT or PT-BR instead)
        - "RU" - Russian
        - "ZH" - Chinese
    - https://www.deepl.com/docs-api/translating-text/request/
- Uncommon character sequences, which may be recognized markers within your system
    - Might get translated or removed, resulting in a corrupted structure.
    - Convert your markers to XML tags and enable XML handling.
    - If "html" is set in Source Text Format, it is assumed that "xml" is set.
- Error Example
    - AutomatedTask ApiResponse Status: 400
    - AutomatedTask UnexpectedResponseError: 400
    - {"message":"Value for 'target_lang' not supported."}

APPENDIX-ja
- DeepL API (v2) でサポートされている言語コード（小文字指定も可）
    - 翻訳元言語（ソース言語）
        - "DE" - German
        - "EN" - English
        - "FR" - French
        - "IT" - Italian
        - "JA" - Japanese
        - "ES" - Spanish
        - "NL" - Dutch
        - "PL" - Polish
        - "PT" - Portuguese (全ポルトガル語)
        - "RU" - Russian
        - "ZH" - Chinese
    - 翻訳先言語（ターゲット言語）
        - "DE" - German
        - "EN-GB" - English (British)
        - "EN-US" - English (American)
        - "EN" - English (下位互換のためのコード。推奨は EN-GB もしくは EN-US)
        - "FR" - French
        - "IT" - Italian
        - "JA" - Japanese
        - "ES" - Spanish
        - "NL" - Dutch
        - "PL" - Polish
        - "PT-PT" - Portuguese (ブラジルを除くポルトガル語)
        - "PT-BR" - Portuguese (ブラジルのポルトガル語)
        - "PT" - Portuguese (下位互換のためのコード。推奨は PT-PT もしくは PT-BR)
        - "RU" - Russian
        - "ZH" - Chinese
    - https://www.deepl.com/docs-api/translating-text/request/
- システム利用想定のマーカー文字等
    - 翻訳または削除され、構造が破損する可能性があります。
    - 必要に応じて、マーカーをXMLタグに変換し、XML処理を有効にします。
    - ソースフォーマットに "html" がセットされた場合、"xml" と読み替えます。
- Error Example
    - AutomatedTask ApiResponse Status: 400
    - AutomatedTask UnexpectedResponseError: 400
    - {"message":"Value for 'target_lang' not supported."}
*/