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package rss

import (
	"encoding/xml"
	"io/ioutil"
	"net/http"
)

type RSS struct {
	Version string  `xml:"version,attr"`
	Channel Channel `xml:"channel"`
}

type Channel struct {
	Link        string `xml:"link"`
	Language    string `xml:"language"`
	Title       string `xml:"title"`
	Description string `xml:"description"`
	PubDate     string `xml:"pubDate"`
	Items       []Item `xml:"item"`
}

type Item struct {
	Author  string `xml:"author"`
	Link    string `xml:"link"`
	GUID    string `xml:"guid"`
	Title   string `xml:"title"`
	PubDate string `xml:"pubDate"`
}

func Fetch(url string) (rss RSS, err error) {
	resp, err := http.Get(url)
	if err != nil {
		return rss, err
	}
	defer resp.Body.Close()
	body, err := ioutil.ReadAll(resp.Body)
	err = xml.Unmarshal(body, &rss)
	if err != nil {
		return rss, err
	}
	return rss, nil
}