[9] | 1 | package engines
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| 2 |
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| 3 | import (
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| 4 | "fmt"
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| 5 | "net/http"
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| 6 | "net/url"
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| 7 |
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| 8 | "github.com/PuerkitoBio/goquery"
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| 9 | )
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| 10 |
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[10] | 11 | type GoogleTranslate struct{}
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[9] | 12 |
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[10] | 13 | func (_ *GoogleTranslate) InternalName() string { return "google" }
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[9] | 14 |
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[10] | 15 | func (_ *GoogleTranslate) DisplayName() string { return "Google" }
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[9] | 16 |
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[15] | 17 | func (_ *GoogleTranslate) getLangs(type_ string) (Language, error) {
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[9] | 18 | var langsType string
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| 19 | switch type_ {
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| 20 | case "source":
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| 21 | langsType = "sl"
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| 22 |
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| 23 | case "target":
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| 24 | langsType = "tl"
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| 25 |
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| 26 | default:
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| 27 | panic(fmt.Errorf("getLangs was passed an invalid language type: %s", langsType))
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| 28 | }
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| 29 |
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[15] | 30 | requestURL, _ := url.Parse("https://translate.google.com/m")
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[9] | 31 |
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| 32 | query := url.Values{}
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| 33 | query.Add("mui", langsType)
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| 34 | query.Add("hl", "en-US")
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| 35 | requestURL.RawQuery = query.Encode()
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| 36 |
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| 37 | response, err := http.Get(requestURL.String())
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| 38 | if err != nil {
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| 39 | return nil, err
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| 40 | }
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| 41 |
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| 42 | defer response.Body.Close()
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| 43 |
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| 44 | doc, err := goquery.NewDocumentFromReader(response.Body)
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| 45 | if err != nil {
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| 46 | return nil, err
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| 47 | }
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| 48 |
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[20] | 49 | var langs Language = make(Language)
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[9] | 50 |
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| 51 | doc.Find(".language-item").Each(func(_ int, s *goquery.Selection) {
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| 52 | a := s.Find("a").First()
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| 53 |
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| 54 | href, exists := a.Attr("href")
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| 55 | if !exists {
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| 56 | return
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| 57 | }
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| 58 |
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| 59 | langURL, err := url.Parse(href)
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| 60 | if err != nil {
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| 61 | return
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| 62 | }
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| 63 |
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| 64 | langCode := langURL.Query()[langsType][0]
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| 65 |
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[15] | 66 | langs[langCode] = a.Text()
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[9] | 67 | })
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| 68 |
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| 69 | return langs, nil
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| 70 | }
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| 71 |
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[15] | 72 | func (e *GoogleTranslate) SourceLanguages() (Language, error) {
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[9] | 73 | return e.getLangs("source")
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| 74 | }
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| 75 |
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[15] | 76 | func (e *GoogleTranslate) TargetLanguages() (Language, error) {
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[9] | 77 | return e.getLangs("target")
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| 78 | }
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| 79 |
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[20] | 80 | func (e *GoogleTranslate) Tts(text, lang string) (string, error) {
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| 81 | requestURL, _ := url.Parse("https://translate.google.com/translate_tts")
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| 82 |
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| 83 | query := url.Values{}
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| 84 | query.Add("tl", lang)
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| 85 | query.Add("q", text)
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| 86 | query.Add("client", "tw-ob")
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| 87 | requestURL.RawQuery = query.Encode()
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| 88 |
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| 89 | return requestURL.String(), nil
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| 90 | }
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| 91 |
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[15] | 92 | func (_ *GoogleTranslate) DetectLanguage(text string) (string, error) { return "", nil }
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[9] | 93 |
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[15] | 94 | func (_ *GoogleTranslate) Translate(text string, from, to string) (TranslationResult, error) {
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| 95 | requestURL, _ := url.Parse("https://translate.google.com/m")
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[9] | 96 |
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[15] | 97 | if from == "" {
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| 98 | from = "auto"
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[9] | 99 | }
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| 100 |
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| 101 | query := url.Values{}
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[15] | 102 | query.Add("sl", from)
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| 103 | query.Add("tl", to)
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| 104 | query.Add("hl", to)
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[9] | 105 | query.Add("q", text)
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| 106 | requestURL.RawQuery = query.Encode()
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| 107 |
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| 108 | response, err := http.Get(requestURL.String())
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| 109 |
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| 110 | if err != nil {
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| 111 | return TranslationResult{}, err
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| 112 | }
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| 113 |
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| 114 | defer response.Body.Close()
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| 115 |
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| 116 | doc, err := goquery.NewDocumentFromReader(response.Body)
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| 117 |
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| 118 | if err != nil {
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| 119 | return TranslationResult{}, err
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| 120 | }
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| 121 |
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| 122 | return TranslationResult{
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| 123 | SourceLanguage: from,
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| 124 | TranslatedText: doc.Find(".result-container").Text(),
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| 125 | }, nil
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| 126 | }
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