/
translateRSS.go
139 lines (130 loc) · 3.29 KB
/
translateRSS.go
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package controller
import (
"encoding/xml"
"fmt"
"io"
"net/http"
"strings"
"sync"
"github.com/ShevonKuan/translate-server/module"
"github.com/abadojack/whatlanggo"
"github.com/beevik/etree"
"github.com/gin-gonic/gin"
)
type Rss struct {
XMLName xml.Name `xml:"RDF"`
Channel Channel `xml:"channel"`
}
type Channel struct {
XMLName xml.Name `xml:"channel"`
Title string `xml:"title"`
Link string `xml:"link"`
Desc string `xml:"description"`
Items []Item `xml:"item"`
}
type Item struct {
XMLName xml.Name `xml:"item"`
Title string `xml:"title"`
Link string `xml:"link"`
Desc string `xml:"description"`
}
// 翻译函数
func translate(i string, engine string) string {
lang := whatlanggo.DetectLang(i)
sourceLang := strings.ToUpper(lang.Iso6391())
// 调用翻译函数
input := &module.InputObj{
SourceText: strings.ReplaceAll(i, "\n", " "),
SourceLang: sourceLang,
TargetLang: "zh",
}
output, _, err := module.Engine[engine](input)
// 返回翻译结果
if err != nil {
fmt.Println(err)
return ""
}
return output.TransText
}
// 获取xml内容并解析为结构体
func getRss(url string) (*etree.Document, error) {
method := "GET"
client := &http.Client{}
req, err := http.NewRequest(method, url, nil)
if err != nil {
fmt.Println(err)
return nil, err
}
req.Header.Add("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36")
resp, err := client.Do(req)
if err != nil {
fmt.Println(err)
return nil, err
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
if err != nil {
return nil, err
}
rss := etree.NewDocument()
if err := rss.ReadFromBytes(body); err != nil {
return nil, err
}
return rss, nil
}
func RSStranslate(url string, engine string) (*etree.Document, error) {
// 获取xml内容并解析为结构体
rss, err := getRss(url)
if err != nil {
fmt.Println(err)
return nil, err
}
// 翻译 channel
title := rss.FindElement("//channel/title")
title.SetText(translate(title.Text(), engine) + title.Text())
description := rss.FindElement("//channel/description")
description.SetText(translate(description.Text(), engine) + description.Text())
// 翻译 item
var wg sync.WaitGroup
items := rss.FindElements("//item")
for _, item := range items {
wg.Add(1)
// 并发翻译
go func(item *etree.Element) {
defer wg.Done()
title := item.FindElement("title")
title.SetText(translate(title.Text(), engine) + title.Text())
description := item.FindElement("description")
fmt.Println(description.Text())
description.SetText(translate(description.Text(), engine) + description.Text())
}(item)
}
wg.Wait()
return rss, nil
}
func TranslateRSS(c *gin.Context) {
translateEngine, err := module.GetEngine(c.Query("engine"))
if err != nil {
c.JSON(http.StatusNotFound, gin.H{
"code": http.StatusNotFound,
"message": err,
})
}
url := c.Query("url")
if url == "" {
c.JSON(http.StatusBadRequest, gin.H{
"code": http.StatusBadRequest,
"message": "url not found",
})
return
}
resp, err := RSStranslate(url, translateEngine)
if err != nil {
c.XML(http.StatusNotFound, gin.H{
"code": http.StatusServiceUnavailable,
"message": err,
})
}
output, _ := resp.WriteToString()
c.Writer.Write([]byte(output))
}