Added Yandex translation API

rss.go

@@ -14,7 +14,7 @@ import (
 
 var text_template = `
 [*%s*](%s)
-_by %s_
+_%s_
 
 %s
 `
@@ -50,11 +50,21 @@ func ParseRSS(api *echotron.API) {
 		if len(chats) == 0 {
 			return
 		}
+		title := item.Title
+		author := "by " + item.Author.Name
+		desc := item.Description
+		translator := InitTranslator()
+		translates, err := translator.Translate("ru", item.Title, "by "+item.Author.Name, item.Description)
+		if err == nil {
+			title = translates[0]
+			author = translates[1]
+			desc = translates[2]
+		}
 		text := fmt.Sprintf(text_template,
-			nechotron.EscapeMd2(item.Title),
+			nechotron.EscapeMd2(title),
 			item.Link,
-			nechotron.EscapeMd2(item.Authors[0].Name),
-			nechotron.EscapeMd2(item.Description),
+			nechotron.EscapeMd2(author),
+			nechotron.EscapeMd2(desc),
 		)
 		sent := false
 		for _, chat := range chats {

translator.go

@@ -0,0 +1,69 @@
+package main
+
+import (
+	"bytes"
+	"encoding/json"
+	"errors"
+	"io"
+	"net/http"
+	"os"
+)
+
+type Translator struct {
+	Key      string
+	FolderID string
+}
+
+func InitTranslator() *Translator {
+	return &Translator{
+		Key:      os.Getenv("YA_KEY"),
+		FolderID: os.Getenv("YA_FOLDER"),
+	}
+}
+
+type TranslateBody struct {
+	FolderID   string   `json:"folderId"`
+	Texts      []string `json:"texts"`
+	TargetLang string   `json:"targetLanguageCode"`
+}
+
+type Translation struct {
+	Text string `json:"text"`
+}
+
+type TranslateResponse struct {
+	Translations []Translation `json:"translations"`
+}
+
+func (t *Translator) Translate(lang string, texts ...string) ([]string, error) {
+	requestURL := "https://translate.api.cloud.yandex.net/translate/v2/translate"
+
+	translateBody := TranslateBody{
+		FolderID:   t.FolderID,
+		Texts:      texts,
+		TargetLang: lang,
+	}
+	body, err := json.Marshal(translateBody)
+	if err != nil {
+		return nil, errors.Join(errors.New("can't marshal translation body"), err)
+	}
+	req, _ := http.NewRequest(http.MethodPost, requestURL, bytes.NewBuffer(body))
+	req.Header.Set("Authorization", "Api-Key "+t.Key)
+	req.Header.Set("Content-Type", "application/json")
+	res, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return nil, errors.Join(errors.New("can't access translate api"), err)
+	}
+	defer res.Body.Close()
+	response, _ := io.ReadAll(res.Body)
+	var translations TranslateResponse
+	err = json.Unmarshal(response, &translations)
+	if err != nil {
+		return nil, errors.Join(errors.New("can't unmarshal translate response"), err)
+	}
+	results := []string{}
+	for _, tr := range translations.Translations {
+		results = append(results, tr.Text)
+	}
+	return results, nil
+}