fix: unable to translate

main.go

@@ -1,8 +1,8 @@
 /*
  * @Author: Vincent Yang
  * @Date: 2023-07-01 21:45:34
- * @LastEditors: Vincent Young
+ * @LastEditors: Vincent Yang
- * @LastEditTime: 2024-09-16 12:12:35
+ * @LastEditTime: 2024-11-01 00:42:58
  * @FilePath: /DeepLX/main.go
  * @Telegram: https://t.me/missuo
  * @GitHub: https://github.com/missuo
@@ -156,68 +156,68 @@ func main() {
 	})
 
 	// Pro API endpoint, Pro Account required
-	r.POST("/v1/translate", authMiddleware(cfg), func(c *gin.Context) {
+	// r.POST("/v1/translate", authMiddleware(cfg), func(c *gin.Context) {
-		req := PayloadFree{}
+	// 	req := PayloadFree{}
-		c.BindJSON(&req)
+	// 	c.BindJSON(&req)
 
-		sourceLang := req.SourceLang
+	// 	sourceLang := req.SourceLang
-		targetLang := req.TargetLang
+	// 	targetLang := req.TargetLang
-		translateText := req.TransText
+	// 	translateText := req.TransText
-		tagHandling := req.TagHandling
+	// 	tagHandling := req.TagHandling
-		proxyURL := cfg.Proxy
+	// 	proxyURL := cfg.Proxy
 
-		dlSession := cfg.DlSession
+	// 	dlSession := cfg.DlSession
 
-		if tagHandling != "" && tagHandling != "html" && tagHandling != "xml" {
+	// 	if tagHandling != "" && tagHandling != "html" && tagHandling != "xml" {
-			c.JSON(http.StatusBadRequest, gin.H{
+	// 		c.JSON(http.StatusBadRequest, gin.H{
-				"code":    http.StatusBadRequest,
+	// 			"code":    http.StatusBadRequest,
-				"message": "Invalid tag_handling value. Allowed values are 'html' and 'xml'.",
+	// 			"message": "Invalid tag_handling value. Allowed values are 'html' and 'xml'.",
-			})
+	// 		})
-			return
+	// 		return
-		}
+	// 	}
 
-		cookie := c.GetHeader("Cookie")
+	// 	cookie := c.GetHeader("Cookie")
-		if cookie != "" {
+	// 	if cookie != "" {
-			dlSession = strings.Replace(cookie, "dl_session=", "", -1)
+	// 		dlSession = strings.Replace(cookie, "dl_session=", "", -1)
-		}
+	// 	}
 
-		if dlSession == "" {
+	// 	if dlSession == "" {
-			c.JSON(http.StatusUnauthorized, gin.H{
+	// 		c.JSON(http.StatusUnauthorized, gin.H{
-				"code":    http.StatusUnauthorized,
+	// 			"code":    http.StatusUnauthorized,
-				"message": "No dl_session Found",
+	// 			"message": "No dl_session Found",
-			})
+	// 		})
-			return
+	// 		return
-		} else if strings.Contains(dlSession, ".") {
+	// 	} else if strings.Contains(dlSession, ".") {
-			c.JSON(http.StatusUnauthorized, gin.H{
+	// 		c.JSON(http.StatusUnauthorized, gin.H{
-				"code":    http.StatusUnauthorized,
+	// 			"code":    http.StatusUnauthorized,
-				"message": "Your account is not a Pro account. Please upgrade your account or switch to a different account.",
+	// 			"message": "Your account is not a Pro account. Please upgrade your account or switch to a different account.",
-			})
+	// 		})
-			return
+	// 		return
-		}
+	// 	}
 
-		result, err := translate.TranslateByDeepLXPro(sourceLang, targetLang, translateText, tagHandling, dlSession, proxyURL)
+	// 	result, err := translate.TranslateByDeepLXPro(sourceLang, targetLang, translateText, tagHandling, dlSession, proxyURL)
-		if err != nil {
+	// 	if err != nil {
-			log.Fatalf("Translation failed: %s", err)
+	// 		log.Fatalf("Translation failed: %s", err)
-		}
+	// 	}
 
-		if result.Code == http.StatusOK {
+	// 	if result.Code == http.StatusOK {
-			c.JSON(http.StatusOK, gin.H{
+	// 		c.JSON(http.StatusOK, gin.H{
-				"code":         http.StatusOK,
+	// 			"code":         http.StatusOK,
-				"id":           result.ID,
+	// 			"id":           result.ID,
-				"data":         result.Data,
+	// 			"data":         result.Data,
-				"alternatives": result.Alternatives,
+	// 			"alternatives": result.Alternatives,
-				"source_lang":  result.SourceLang,
+	// 			"source_lang":  result.SourceLang,
-				"target_lang":  result.TargetLang,
+	// 			"target_lang":  result.TargetLang,
-				"method":       result.Method,
+	// 			"method":       result.Method,
-			})
+	// 		})
-		} else {
+	// 	} else {
-			c.JSON(result.Code, gin.H{
+	// 		c.JSON(result.Code, gin.H{
-				"code":    result.Code,
+	// 			"code":    result.Code,
-				"message": result.Message,
+	// 			"message": result.Message,
-			})
+	// 		})
 
-		}
+	// 	}
-	})
+	// })
 
 	// Free API endpoint, Consistent with the official API format
 	r.POST("/v2/translate", authMiddleware(cfg), func(c *gin.Context) {

translate/translate.go

@@ -1,8 +1,8 @@
 /*
  * @Author: Vincent Young
  * @Date: 2024-09-16 11:59:24
- * @LastEditors: Vincent Young
+ * @LastEditors: Vincent Yang
- * @LastEditTime: 2024-09-16 12:09:37
+ * @LastEditTime: 2024-11-01 00:42:43
  * @FilePath: /DeepLX/translate/translate.go
  * @Telegram: https://t.me/missuo
  * @GitHub: https://github.com/missuo
@@ -14,354 +14,224 @@ package translate
 
 import (
 	"bytes"
-	"encoding/json"
+	"fmt"
 	"io"
-	"log"
 	"net/http"
 	"net/url"
 	"strings"
 
-	"github.com/abadojack/whatlanggo"
 	"github.com/andybalholm/brotli"
 	"github.com/tidwall/gjson"
 )
 
-func initDeepLXData(sourceLang string, targetLang string) *PostData {
+const baseURL = "https://www2.deepl.com/jsonrpc"
-	hasRegionalVariant := false
-	targetLangParts := strings.Split(targetLang, "-")
 
-	// targetLang can be "en", "pt", "pt-PT", "pt-BR"
+// makeRequest makes an HTTP request to DeepL API
-	// targetLangCode is the first part of the targetLang, e.g. "pt" in "pt-PT"
+func makeRequest(postData *PostData, urlMethod string, proxyURL string) (gjson.Result, error) {
-	targetLangCode := targetLangParts[0]
+	urlFull := fmt.Sprintf("%s?client=chrome-extension,1.28.0&method=%s", baseURL, urlMethod)
-	if len(targetLangParts) > 1 {
+
-		hasRegionalVariant = true
+	postStr := formatPostString(postData)
+	req, err := http.NewRequest("POST", urlFull, bytes.NewReader([]byte(postStr)))
+	if err != nil {
+		return gjson.Result{}, err
 	}
 
-	commonJobParams := CommonJobParams{
+	// Set headers
-		WasSpoken:    false,
+	req.Header = http.Header{
-		TranscribeAS: "",
+		"Accept":          []string{"*/*"},
-	}
+		"Accept-Language": []string{"en-US,en;q=0.9,zh-CN;q=0.8,zh-TW;q=0.7,zh-HK;q=0.6,zh;q=0.5"},
-	if hasRegionalVariant {
+		"Authorization":   []string{"None"},
-		commonJobParams.RegionalVariant = targetLang
+		"Cache-Control":   []string{"no-cache"},
+		"Content-Type":    []string{"application/json"},
+		"DNT":             []string{"1"},
+		"Origin":          []string{"chrome-extension://cofdbpoegempjloogbagkncekinflcnj"},
+		"Pragma":          []string{"no-cache"},
+		"Priority":        []string{"u=1, i"},
+		"Referer":         []string{"https://www.deepl.com/"},
+		"Sec-Fetch-Dest":  []string{"empty"},
+		"Sec-Fetch-Mode":  []string{"cors"},
+		"Sec-Fetch-Site":  []string{"none"},
+		"Sec-GPC":         []string{"1"},
+		"User-Agent":      []string{"DeepLBrowserExtension/1.28.0 Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36"},
 	}
 
-	return &PostData{
+	// Setup client with proxy if provided
+	var client *http.Client
+	if proxyURL != "" {
+		proxy, err := url.Parse(proxyURL)
+		if err != nil {
+			return gjson.Result{}, err
+		}
+		client = &http.Client{Transport: &http.Transport{Proxy: http.ProxyURL(proxy)}}
+	} else {
+		client = &http.Client{}
+	}
+
+	resp, err := client.Do(req)
+	if err != nil {
+		return gjson.Result{}, err
+	}
+	defer resp.Body.Close()
+
+	var bodyReader io.Reader
+	if resp.Header.Get("Content-Encoding") == "br" {
+		bodyReader = brotli.NewReader(resp.Body)
+	} else {
+		bodyReader = resp.Body
+	}
+
+	body, err := io.ReadAll(bodyReader)
+	if err != nil {
+		return gjson.Result{}, err
+	}
+
+	return gjson.ParseBytes(body), nil
+}
+
+// splitText splits the input text for translation
+func splitText(text string, tagHandling bool, proxyURL string) (gjson.Result, error) {
+	postData := &PostData{
 		Jsonrpc: "2.0",
-		Method:  "LMT_handle_texts",
+		Method:  "LMT_split_text",
+		ID:      getRandomNumber(),
 		Params: Params{
-			Splitting: "newlines",
+			CommonJobParams: CommonJobParams{
-			Lang: Lang{
+				Mode: "translate",
-				SourceLangUserSelected: sourceLang,
-				TargetLang:             targetLangCode,
 			},
-			CommonJobParams: commonJobParams,
+			Lang: Lang{
+				LangUserSelected: "auto",
+			},
+			Texts:    []string{text},
+			TextType: map[bool]string{true: "richtext", false: "plaintext"}[tagHandling || isRichText(text)],
 		},
 	}
+
+	return makeRequest(postData, "LMT_split_text", proxyURL)
 }
 
-func TranslateByDeepLX(sourceLang string, targetLang string, translateText string, tagHandling string, proxyURL string) (DeepLXTranslationResult, error) {
+// TranslateByDeepLX performs translation using DeepL API
-	id := getRandomNumber()
+func TranslateByDeepLX(sourceLang, targetLang, text string, tagHandling string, proxyURL string) (DeepLXTranslationResult, error) {
-	if sourceLang == "" {
+	if text == "" {
-		lang := whatlanggo.DetectLang(translateText)
-		deepLLang := strings.ToUpper(lang.Iso6391())
-		sourceLang = deepLLang
-	}
-	// If target language is not specified, set it to English
-	if targetLang == "" {
-		targetLang = "EN"
-	}
-	// Handling empty translation text
-	if translateText == "" {
 		return DeepLXTranslationResult{
 			Code:    http.StatusNotFound,
 			Message: "No text to translate",
 		}, nil
 	}
 
-	// Preparing the request data for the DeepL API
+	// Split text first
-	www2URL := "https://www2.deepl.com/jsonrpc"
+	splitResult, err := splitText(text, tagHandling == "html" || tagHandling == "xml", proxyURL)
-	id = id + 1
-	postData := initDeepLXData(sourceLang, targetLang)
-	text := Text{
-		Text:                translateText,
-		RequestAlternatives: 3,
-	}
-	postData.ID = id
-	postData.Params.Texts = append(postData.Params.Texts, text)
-	postData.Params.Timestamp = getTimeStamp(getICount(translateText))
-
-	if tagHandling == "html" || tagHandling == "xml" {
-		postData.Params.TagHandling = tagHandling
-	}
-
-	// Marshalling the request data to JSON and making necessary string replacements
-	post_byte, _ := json.Marshal(postData)
-	postStr := string(post_byte)
-
-	// Adding spaces to the JSON string based on the ID to adhere to DeepL's request formatting rules
-	if (id+5)%29 == 0 || (id+3)%13 == 0 {
-		postStr = strings.Replace(postStr, "\"method\":\"", "\"method\" : \"", -1)
-	} else {
-		postStr = strings.Replace(postStr, "\"method\":\"", "\"method\": \"", -1)
-	}
-
-	// Creating a new HTTP POST request with the JSON data as the body
-	post_byte = []byte(postStr)
-	reader := bytes.NewReader(post_byte)
-	request, err := http.NewRequest("POST", www2URL, reader)
-
 	if err != nil {
-		log.Println(err)
 		return DeepLXTranslationResult{
 			Code:    http.StatusServiceUnavailable,
-			Message: "Post request failed",
+			Message: err.Error(),
 		}, nil
 	}
 
-	// Setting HTTP headers to mimic a request from the DeepL iOS App
+	// Get detected language if source language is auto
-	request.Header.Set("Content-Type", "application/json")
+	if sourceLang == "auto" || sourceLang == "" {
-	request.Header.Set("Accept", "*/*")
+		sourceLang = strings.ToLower(splitResult.Get("result.lang.detected").String())
-	request.Header.Set("x-app-os-name", "iOS")
+	}
-	request.Header.Set("x-app-os-version", "16.3.0")
-	request.Header.Set("Accept-Language", "en-US,en;q=0.9")
-	request.Header.Set("Accept-Encoding", "gzip, deflate, br")
-	request.Header.Set("x-app-device", "iPhone13,2")
-	request.Header.Set("User-Agent", "DeepL-iOS/2.9.1 iOS 16.3.0 (iPhone13,2)")
-	request.Header.Set("x-app-build", "510265")
-	request.Header.Set("x-app-version", "2.9.1")
-	request.Header.Set("Connection", "keep-alive")
 
-	// Making the HTTP request to the DeepL API
+	// Prepare jobs from split result
-	var client *http.Client
+	var jobs []Job
-	if proxyURL != "" {
+	chunks := splitResult.Get("result.texts.0.chunks").Array()
-		proxy, err := url.Parse(proxyURL)
+	for idx, chunk := range chunks {
-		if err != nil {
+		sentence := chunk.Get("sentences.0")
-			return DeepLXTranslationResult{
+
-				Code:    http.StatusServiceUnavailable,
+		// Handle context
-				Message: "Unknown error",
+		contextBefore := []string{}
-			}, nil
+		contextAfter := []string{}
+		if idx > 0 {
+			contextBefore = []string{chunks[idx-1].Get("sentences.0.text").String()}
 		}
-		transport := &http.Transport{
+		if idx < len(chunks)-1 {
-			Proxy: http.ProxyURL(proxy),
+			contextAfter = []string{chunks[idx+1].Get("sentences.0.text").String()}
 		}
-		client = &http.Client{Transport: transport}
-	} else {
-		client = &http.Client{}
-	}
 
-	resp, err := client.Do(request)
+		jobs = append(jobs, Job{
-	if err != nil {
+			Kind:               "default",
-		log.Println(err)
+			PreferredNumBeams:  4,
-		return DeepLXTranslationResult{
+			RawEnContextBefore: contextBefore,
-			Code:    http.StatusServiceUnavailable,
+			RawEnContextAfter:  contextAfter,
-			Message: "DeepL API request failed",
+			Sentences: []Sentence{{
-		}, nil
+				Prefix: sentence.Get("prefix").String(),
-	}
+				Text:   sentence.Get("text").String(),
-	defer resp.Body.Close()
+				ID:     idx + 1,
-
+			}},
-	// Handling potential Brotli compressed response body
-	var bodyReader io.Reader
-	switch resp.Header.Get("Content-Encoding") {
-	case "br":
-		bodyReader = brotli.NewReader(resp.Body)
-	default:
-		bodyReader = resp.Body
-	}
-
-	// Reading the response body and parsing it with gjson
-	body, _ := io.ReadAll(bodyReader)
-	// body, _ := io.ReadAll(resp.Body)
-	res := gjson.ParseBytes(body)
-
-	// Handling various response statuses and potential errors
-	if res.Get("error.code").String() == "-32600" {
-		log.Println(res.Get("error").String())
-		return DeepLXTranslationResult{
-			Code:    http.StatusNotAcceptable,
-			Message: "Invalid target language",
-		}, nil
-	}
-	if resp.StatusCode == http.StatusTooManyRequests {
-		return DeepLXTranslationResult{
-			Code:    http.StatusTooManyRequests,
-			Message: "Too Many Requests",
-		}, nil
-	}
-
-	var alternatives []string
-	res.Get("result.texts.0.alternatives").ForEach(func(key, value gjson.Result) bool {
-		alternatives = append(alternatives, value.Get("text").String())
-		return true
-	})
-	if res.Get("result.texts.0.text").String() == "" {
-		return DeepLXTranslationResult{
-			Code:    http.StatusServiceUnavailable,
-			Message: "Translation failed, API returns an empty result.",
-		}, nil
-	} else {
-		return DeepLXTranslationResult{
-			Code:         http.StatusOK,
-			ID:           id,
-			Message:      "Success",
-			Data:         res.Get("result.texts.0.text").String(),
-			Alternatives: alternatives,
-			SourceLang:   sourceLang,
-			TargetLang:   targetLang,
-			Method:       "Free",
-		}, nil
-	}
-}
-
-func TranslateByDeepLXPro(sourceLang string, targetLang string, translateText string, tagHandling string, dlSession string, proxyURL string) (DeepLXTranslationResult, error) {
-	id := getRandomNumber()
-	if sourceLang == "" {
-		lang := whatlanggo.DetectLang(translateText)
-		deepLLang := strings.ToUpper(lang.Iso6391())
-		sourceLang = deepLLang
-	}
-	// If target language is not specified, set it to English
-	if targetLang == "" {
-		targetLang = "EN"
-	}
-	// Handling empty translation text
-	if translateText == "" {
-		return DeepLXTranslationResult{
-			Code:    http.StatusNotFound,
-			Message: "No text to translate",
-		}, nil
-	}
-
-	// Preparing the request data for the DeepL API
-	proURL := "https://api.deepl.com/jsonrpc"
-	id = id + 1
-	postData := initDeepLXData(sourceLang, targetLang)
-	text := Text{
-		Text:                translateText,
-		RequestAlternatives: 3,
-	}
-	postData.ID = id
-	postData.Params.Texts = append(postData.Params.Texts, text)
-	postData.Params.Timestamp = getTimeStamp(getICount(translateText))
-
-	if tagHandling == "html" || tagHandling == "xml" {
-		postData.Params.TagHandling = tagHandling
-	}
-
-	// Marshalling the request data to JSON and making necessary string replacements
-	post_byte, _ := json.Marshal(postData)
-	postStr := string(post_byte)
-
-	// Adding spaces to the JSON string based on the ID to adhere to DeepL's request formatting rules
-	if (id+5)%29 == 0 || (id+3)%13 == 0 {
-		postStr = strings.Replace(postStr, "\"method\":\"", "\"method\" : \"", -1)
-	} else {
-		postStr = strings.Replace(postStr, "\"method\":\"", "\"method\": \"", -1)
-	}
-
-	// Creating a new HTTP POST request with the JSON data as the body
-	post_byte = []byte(postStr)
-	reader := bytes.NewReader(post_byte)
-	request, err := http.NewRequest("POST", proURL, reader)
-
-	if err != nil {
-		log.Println(err)
-		return DeepLXTranslationResult{
-			Code:    http.StatusServiceUnavailable,
-			Message: "Post request failed",
-		}, nil
-	}
-
-	request.Header.Set("Content-Type", "application/json")
-	request.Header.Set("Accept", "*/*")
-	request.Header.Set("Accept-Language", "en-US,en;q=0.9")
-	request.Header.Set("Accept-Encoding", "gzip, deflate, br")
-	request.Header.Set("User-Agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36")
-	request.Header.Set("Origin", "https://www.deepl.com")
-	request.Header.Set("Referer", "https://www.deepl.com")
-	request.Header.Set("Connection", "keep-alive")
-	request.Header.Set("Cookie", "dl_session="+dlSession)
-
-	// Making the HTTP request to the DeepL API
-	var client *http.Client
-	if proxyURL != "" {
-		proxy, err := url.Parse(proxyURL)
-		if err != nil {
-			return DeepLXTranslationResult{
-				Code:    http.StatusServiceUnavailable,
-				Message: "DeepL API request failed",
-			}, nil
-		}
-		transport := &http.Transport{
-			Proxy: http.ProxyURL(proxy),
-		}
-		client = &http.Client{Transport: transport}
-	} else {
-		client = &http.Client{}
-	}
-	resp, err := client.Do(request)
-	if err != nil {
-		log.Println(err)
-		return DeepLXTranslationResult{
-			Code:    http.StatusServiceUnavailable,
-			Message: "DeepL API request failed",
-		}, nil
-	}
-	defer resp.Body.Close()
-
-	// Handling potential Brotli compressed response body
-	var bodyReader io.Reader
-	switch resp.Header.Get("Content-Encoding") {
-	case "br":
-		bodyReader = brotli.NewReader(resp.Body)
-	default:
-		bodyReader = resp.Body
-	}
-
-	// Reading the response body and parsing it with gjson
-	body, _ := io.ReadAll(bodyReader)
-	// body, _ := io.ReadAll(resp.Body)
-	res := gjson.ParseBytes(body)
-
-	if res.Get("error.code").String() == "-32600" {
-		log.Println(res.Get("error").String())
-		return DeepLXTranslationResult{
-			Code:    http.StatusNotAcceptable,
-			Message: "Invalid target language",
-		}, nil
-	}
-
-	if resp.StatusCode == http.StatusTooManyRequests {
-		return DeepLXTranslationResult{
-			Code:    http.StatusTooManyRequests,
-			Message: "Too Many Requests",
-		}, nil
-	} else if resp.StatusCode == http.StatusUnauthorized {
-		return DeepLXTranslationResult{
-			Code:    http.StatusUnauthorized,
-			Message: "dlsession is invalid",
-		}, nil
-	} else {
-		var alternatives []string
-		res.Get("result.texts.0.alternatives").ForEach(func(key, value gjson.Result) bool {
-			alternatives = append(alternatives, value.Get("text").String())
-			return true
 		})
-		if res.Get("result.texts.0.text").String() == "" {
-			return DeepLXTranslationResult{
-				Code:    http.StatusServiceUnavailable,
-				Message: "Translation failed, API returns an empty result.",
-			}, nil
-		} else {
-			return DeepLXTranslationResult{
-				Code:         http.StatusOK,
-				ID:           id,
-				Message:      "Success",
-				Data:         res.Get("result.texts.0.text").String(),
-				Alternatives: alternatives,
-				SourceLang:   sourceLang,
-				TargetLang:   targetLang,
-				Method:       "Pro",
-			}, nil
-		}
 	}
+
+	// Prepare translation request
+	id := getRandomNumber()
+	postData := &PostData{
+		Jsonrpc: "2.0",
+		Method:  "LMT_handle_jobs",
+		ID:      id,
+		Params: Params{
+			CommonJobParams: CommonJobParams{
+				Mode: "translate",
+			},
+			Lang: Lang{
+				SourceLangComputed: strings.ToUpper(sourceLang),
+				TargetLang:         strings.ToUpper(targetLang),
+			},
+			Jobs:      jobs,
+			Priority:  1,
+			Timestamp: getTimeStamp(getICount(text)),
+		},
+	}
+
+	// Make translation request
+	result, err := makeRequest(postData, "LMT_handle_jobs", proxyURL)
+	if err != nil {
+		return DeepLXTranslationResult{
+			Code:    http.StatusServiceUnavailable,
+			Message: err.Error(),
+		}, nil
+	}
+
+	// Process translation results
+	var alternatives []string
+	var translatedText string
+
+	translations := result.Get("result.translations").Array()
+	if len(translations) > 0 {
+		// Get alternatives
+		numBeams := len(translations[0].Get("beams").Array())
+		for i := 0; i < numBeams; i++ {
+			var altText string
+			for _, translation := range translations {
+				beams := translation.Get("beams").Array()
+				if i < len(beams) {
+					altText += beams[i].Get("sentences.0.text").String()
+				}
+			}
+			if altText != "" {
+				alternatives = append(alternatives, altText)
+			}
+		}
+
+		// Get main translation
+		for _, translation := range translations {
+			translatedText += translation.Get("beams.0.sentences.0.text").String() + " "
+		}
+		translatedText = strings.TrimSpace(translatedText)
+	}
+
+	if translatedText == "" {
+		return DeepLXTranslationResult{
+			Code:    http.StatusServiceUnavailable,
+			Message: "Translation failed",
+		}, nil
+	}
+
+	return DeepLXTranslationResult{
+		Code:         http.StatusOK,
+		ID:           id,
+		Data:         translatedText,
+		Alternatives: alternatives,
+		SourceLang:   sourceLang,
+		TargetLang:   targetLang,
+		Method:       "Free",
+	}, nil
 }

translate/types.go

@@ -1,8 +1,8 @@
 /*
  * @Author: Vincent Young
  * @Date: 2024-09-16 11:59:24
- * @LastEditors: Vincent Young
+ * @LastEditors: Vincent Yang
- * @LastEditTime: 2024-09-16 12:06:36
+ * @LastEditTime: 2024-11-01 00:39:49
  * @FilePath: /DeepLX/translate/types.go
  * @Telegram: https://t.me/missuo
  * @GitHub: https://github.com/missuo
@@ -12,31 +12,46 @@
 
 package translate
 
+// Lang represents the language settings for translation
 type Lang struct {
-	SourceLangUserSelected string `json:"source_lang_user_selected"`
+	SourceLangComputed string `json:"source_lang_computed,omitempty"`
-	TargetLang             string `json:"target_lang"`
+	TargetLang         string `json:"target_lang"`
+	LangUserSelected   string `json:"lang_user_selected,omitempty"`
 }
 
+// CommonJobParams represents common parameters for translation jobs
 type CommonJobParams struct {
-	WasSpoken       bool   `json:"wasSpoken"`
+	Mode string `json:"mode"`
-	TranscribeAS    string `json:"transcribe_as"`
-	RegionalVariant string `json:"regionalVariant,omitempty"`
 }
 
+// Sentence represents a sentence in the translation request
+type Sentence struct {
+	Prefix string `json:"prefix"`
+	Text   string `json:"text"`
+	ID     int    `json:"id"`
+}
+
+// Job represents a translation job
+type Job struct {
+	Kind               string     `json:"kind"`
+	PreferredNumBeams  int        `json:"preferred_num_beams"`
+	RawEnContextBefore []string   `json:"raw_en_context_before"`
+	RawEnContextAfter  []string   `json:"raw_en_context_after"`
+	Sentences          []Sentence `json:"sentences"`
+}
+
+// Params represents parameters for translation requests
 type Params struct {
-	Texts           []Text          `json:"texts"`
-	Splitting       string          `json:"splitting"`
-	Lang            Lang            `json:"lang"`
-	Timestamp       int64           `json:"timestamp"`
 	CommonJobParams CommonJobParams `json:"commonJobParams"`
-	TagHandling     string          `json:"tag_handling"`
+	Lang            Lang            `json:"lang"`
-}
+	Texts           []string        `json:"texts,omitempty"`
-
+	TextType        string          `json:"textType,omitempty"`
-type Text struct {
+	Jobs            []Job           `json:"jobs,omitempty"`
-	Text                string `json:"text"`
+	Priority        int             `json:"priority,omitempty"`
-	RequestAlternatives int    `json:"requestAlternatives"`
+	Timestamp       int64           `json:"timestamp"`
 }
 
+// PostData represents the complete translation request
 type PostData struct {
 	Jsonrpc string `json:"jsonrpc"`
 	Method  string `json:"method"`
@@ -44,26 +59,50 @@ type PostData struct {
 	Params  Params `json:"params"`
 }
 
-type Translation struct {
+// SplitTextResponse represents the response from text splitting
-	Text string `json:"text"`
+type SplitTextResponse struct {
+	Jsonrpc string `json:"jsonrpc"`
+	ID      int64  `json:"id"`
+	Result  struct {
+		Lang struct {
+			Detected string `json:"detected"`
+		} `json:"lang"`
+		Texts []struct {
+			Chunks []struct {
+				Sentences []struct {
+					Prefix string `json:"prefix"`
+					Text   string `json:"text"`
+				} `json:"sentences"`
+			} `json:"chunks"`
+		} `json:"texts"`
+	} `json:"result"`
 }
 
+// TranslationResponse represents the response from translation
 type TranslationResponse struct {
-	Translations []Translation `json:"translations"`
+	Jsonrpc string `json:"jsonrpc"`
-}
+	ID      int64  `json:"id"`
-
+	Result  struct {
-type DeepLUsageResponse struct {
+		Translations []struct {
-	CharacterCount int `json:"character_count"`
+			Beams []struct {
-	CharacterLimit int `json:"character_limit"`
+				Sentences []struct {
+					Text string `json:"text"`
+				} `json:"sentences"`
+			} `json:"beams"`
+		} `json:"translations"`
+		SourceLang string `json:"source_lang"`
+		TargetLang string `json:"target_lang"`
+	} `json:"result"`
 }
 
+// DeepLXTranslationResult represents the final translation result
 type DeepLXTranslationResult struct {
-	Code         int
+	Code         int      `json:"code"`
-	ID           int64
+	ID           int64    `json:"id"`
-	Message      string
+	Message      string   `json:"message,omitempty"`
-	Data         string
+	Data         string   `json:"data"`
-	Alternatives []string
+	Alternatives []string `json:"alternatives"`
-	SourceLang   string
+	SourceLang   string   `json:"source_lang"`
-	TargetLang   string
+	TargetLang   string   `json:"target_lang"`
-	Method       string
+	Method       string   `json:"method"`
 }

translate/utils.go

@@ -1,8 +1,8 @@
 /*
  * @Author: Vincent Young
  * @Date: 2024-09-16 11:59:24
- * @LastEditors: Vincent Young
+ * @LastEditors: Vincent Yang
- * @LastEditTime: 2024-09-16 12:06:44
+ * @LastEditTime: 2024-11-01 00:39:32
  * @FilePath: /DeepLX/translate/utils.go
  * @Telegram: https://t.me/missuo
  * @GitHub: https://github.com/missuo
@@ -13,15 +13,18 @@
 package translate
 
 import (
+	"encoding/json"
 	"math/rand"
 	"strings"
 	"time"
 )
 
+// getICount returns the number of 'i' characters in the text
 func getICount(translateText string) int64 {
 	return int64(strings.Count(translateText, "i"))
 }
 
+// getRandomNumber generates a random number for request ID
 func getRandomNumber() int64 {
 	src := rand.NewSource(time.Now().UnixNano())
 	rng := rand.New(src)
@@ -29,12 +32,31 @@ func getRandomNumber() int64 {
 	return num * 1000
 }
 
+// getTimeStamp generates timestamp for request based on i count
 func getTimeStamp(iCount int64) int64 {
 	ts := time.Now().UnixMilli()
 	if iCount != 0 {
 		iCount = iCount + 1
 		return ts - ts%iCount + iCount
-	} else {
-		return ts
 	}
+	return ts
+}
+
+// formatPostString formats the request JSON string with specific spacing rules
+func formatPostString(postData *PostData) string {
+	postBytes, _ := json.Marshal(postData)
+	postStr := string(postBytes)
+
+	if (postData.ID+5)%29 == 0 || (postData.ID+3)%13 == 0 {
+		postStr = strings.Replace(postStr, `"method":"`, `"method" : "`, 1)
+	} else {
+		postStr = strings.Replace(postStr, `"method":"`, `"method": "`, 1)
+	}
+
+	return postStr
+}
+
+// isRichText checks if text contains HTML-like tags
+func isRichText(text string) bool {
+	return strings.Contains(text, "<") && strings.Contains(text, ">")
 }