RSSWriter

rss_writer.go

package main

import (
	"encoding/xml"
	"fmt"
	"github.com/gorilla/feeds"
	"github.com/kr/pretty"
	"io/ioutil"
	"log"
	"net/http"
	"reflect"
	"time"
)

func main() {
	now := time.Now()
	feed := &feeds.Feed{
		Title:       "Golden Memories",
		Link:        &feeds.Link{Href: "http://stefan.derkits.at/files/"},
		Description: "test test",
		Author:      &feeds.Author{Name: "Stefan Derkits", Email: "stefan@derkits.at"},
		Created:     now,
	}

	feed.Items = []*feeds.Item{
		&feeds.Item{
			Title:       "Golden Memories July 6",
			Link:        &feeds.Link{Href: "https://stefan.derkits.at/files/Golden%20Memories%20with%20DJ%20Velvet%20_%20July.6.2020-zanjradio_golden-memories-with-dj-velvet-july62020.mp3"},
			Description: "Music",
			Author:      &feeds.Author{Name: "Stefan Derkits", Email: "stefan@derkits.at"},
			Enclosure: &feeds.Enclosure{
				Url:    "https://stefan.derkits.at/files/Golden%20Memories%20with%20DJ%20Velvet%20_%20July.6.2020-zanjradio_golden-memories-with-dj-velvet-july62020.mp3",
				Length: "110004880",
				Type:   "audio/mpeg",
			},
			Created: now,
		},
		&feeds.Item{
			Title:       "Golden Memories June 28",
			Link:        &feeds.Link{Href: "https://stefan.derkits.at/files/Golden%20Memories%20with%20DJ%20Velvet%20_%20June.28.2020-zanjradio_golden-memories-with-dj-velvet-june282020.mp3"},
			Description: "Music",
			Author:      &feeds.Author{Name: "Stefan Derkits", Email: "stefan@derkits.at"},
			Enclosure: &feeds.Enclosure{
				Url:    "https://stefan.derkits.at/files/Golden%20Memories%20with%20DJ%20Velvet%20_%20June.28.2020-zanjradio_golden-memories-with-dj-velvet-june282020.mp3",
				Length: "107308792",
				Type:   "audio/mpeg",
			},
			Created: now,
		},
		&feeds.Item{
			Title:       "Golden Memories June 21",
			Link:        &feeds.Link{Href: "https://stefan.derkits.at/files/Golden%20Memories%20with%20DJ%20Velvet%20_%20June..21.2020-zanjradio_golden-memories-with-dj-velvet-june212020.mp3"},
			Description: "Music",
			Author:      &feeds.Author{Name: "Stefan Derkits", Email: "stefan@derkits.at"},
			Enclosure: &feeds.Enclosure{
				Url:    "https://stefan.derkits.at/files/Golden%20Memories%20with%20DJ%20Velvet%20_%20June..21.2020-zanjradio_golden-memories-with-dj-velvet-june212020.mp3",
				Length: "112862835",
				Type:   "audio/mpeg",
			},
			Created: now,
		},
	}

	rss, err := feed.ToRss()
	if err != nil {
		log.Fatal(err)
	}

	fmt.Println(rss)

	var xmlFeed feeds.RssFeedXml

	resp, err := http.Get("https://stefan.derkits.at/files/gm_orig.rss")
	if err != nil {
		fmt.Println(err)
		return
	}
	defer resp.Body.Close()

	buf, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		fmt.Println(err)
		return
	}

	xml.Unmarshal(buf, &xmlFeed)

	rssFeed := (&feeds.Rss{Feed: feed}).RssFeed()

	if !reflect.DeepEqual(rssFeed, xmlFeed) {
		diffs := pretty.Diff(feed, xmlFeed)
		fmt.Println("Diff")
		fmt.Println(pretty.Println(diffs))
	}

	item :=
		&feeds.RssItem{
			Title:       "Golden Memories July 12",
			Link:        "https://stefan.derkits.at/files/Golden%20Memories%20with%20DJ%20Velvet%20_%20July.12.2020-zanjradio_golden-memories-with-dj-velvet-july122020.mp3",
			Description: "Music",
			Author:      "Stefan Derkits (stefan@derkits.at)",
			Enclosure: &feeds.RssEnclosure{
				Url:    "https://stefan.derkits.at/files/Golden%20Memories%20with%20DJ%20Velvet%20_%20July.12.2020-zanjradio_golden-memories-with-dj-velvet-july122020.mp3",
				Length: "109717110",
				Type:   "audio/mpeg",
			},
			PubDate: "Thu, 16 Jul 2020 17:45:09 +0200",
		}

	xmlFeed.Channel.Items = append([]*feeds.RssItem{item}, xmlFeed.Channel.Items...)
	xmlFeed.Channel.PubDate = "Thu, 16 Jul 2020 17:48:09 +0200"

	println("New Feed:")
	newStr, _ := feeds.ToXML(xmlFeed.Channel)
	fmt.Println(newStr)
}