RSS part5 ("pubDate")

main.go

package main

import (
  "encoding/xml"
  "net/http"
  "time"
)

func main() {
  http.HandleFunc("/", rssHandler)
  http.ListenAndServe(":3000", nil)
}

func rssHandler(w http.ResponseWriter, r *http.Request) {
  type Item struct {
    Title       string `xml:"title"`
    Link        string `xml:"link"`
    Description string `xml:"description"`
    PubDate     string `xml:"pubDate"`
  }

  type rss struct {
    Version     string `xml:"version,attr"`
    Description string `xml:"channel>description"`
    Link        string `xml:"channel>link"`
    Title       string `xml:"channel>title"`

    Item []Item `xml:"channel>item"`
  }

  articles := []Item{
    {"foo", "http://mywebsite.com/foo", "lorem ipsum", time.Now().Format(time.RFC1123Z)},
    {"foo2", "http://mywebsite.com/foo2", "lorem ipsum2", time.Now().Format(time.RFC1123Z)}}

  feed := &rss{
    Version:     "2.0",
    Description: "My super website",
    Link:        "http://mywebsite.com",
    Title:       "Mywebsite",
    Item:        articles,
  }

  x, err := xml.MarshalIndent(feed, "", "  ")
  if err != nil {
    http.Error(w, err.Error(), http.StatusInternalServerError)
    return
  }

  w.Header().Set("Content-Type", "application/xml")
  w.Write(x)
}

result.xml

<rss version="2.0">
  <channel>github.com/russross/blackfriday
    <description>My super website</description>
    <link>http://mywebsite.com</link>
    <title>Mywebsite</title>
    <item>
      <title>foo</title>
      <link>http://mywebsite.com/foo</link>
      <description>lorem ipsum</description>
      <pubDate>Sun, 09 Aug 2015 16:05:14 +0200</pubDate>
    </item>
    <item>
      <title>foo2</title>
      <link>http://mywebsite.com/foo2</link>
      <description>lorem ipsum2</description>
      <pubDate>Sun, 09 Aug 2015 16:05:14 +0200</pubDate>
    </item>
  </channel>
</rss>