From eb8acc8a5bdd041ab3e8354188bdcfb35912b159 Mon Sep 17 00:00:00 2001
From: Las Zenow <zenow@riseup.net>
Date: Sat, 31 Aug 2013 02:45:30 +0200
Subject: [PATCH] Add rss feed for the news

---
 news.go                | 14 +++++++++++++-
 template.go            |  4 +++-
 templates/news.html    |  4 +++-
 templates/news_rss.xml | 20 ++++++++++++++++++++
 4 files changed, 39 insertions(+), 3 deletions(-)
 create mode 100644 templates/news_rss.xml

diff --git a/news.go b/news.go
index 497ae92..9f62939 100644
--- a/news.go
+++ b/news.go
@@ -15,11 +15,23 @@ type newsEntry struct {
 }
 
 func newsHandler(w http.ResponseWriter, r *http.Request, sess *Session) {
+	err := r.ParseForm()
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
 	var data newsData
 	data.S = GetStatus(w, r)
 	data.S.News = true
 	data.News = getNews(NUM_NEWS, 0)
-	loadTemplate(w, "news", data)
+
+	format := r.Form["fmt"]
+	if (len(format) > 0) && (format[0] == "rss") {
+		loadTxtTemplate(w, "news_rss.xml", data)
+	} else {
+		loadTemplate(w, "news", data)
+	}
 }
 
 func editNewsHandler(w http.ResponseWriter, r *http.Request, sess *Session) {
diff --git a/template.go b/template.go
index 1a64b0b..dc41ba3 100644
--- a/template.go
+++ b/template.go
@@ -60,7 +60,9 @@ func loadTemplate(w http.ResponseWriter, tmpl string, data interface{}) {
 	}
 }
 
-var txt_templates = txt_tmpl.Must(txt_tmpl.ParseFiles(TEMPLATE_PATH + "search_rss.xml"))
+var txt_templates = txt_tmpl.Must(txt_tmpl.ParseFiles(TEMPLATE_PATH+"search_rss.xml",
+	TEMPLATE_PATH+"news_rss.xml",
+))
 
 func loadTxtTemplate(w http.ResponseWriter, tmpl string, data interface{}) {
 	err := txt_templates.ExecuteTemplate(w, tmpl, data)
diff --git a/templates/news.html b/templates/news.html
index fe96ea3..74a63db 100644
--- a/templates/news.html
+++ b/templates/news.html
@@ -1,6 +1,8 @@
 {{template "header.html" .S}}
 
-<h4>News:</h4>
+<h4>News:
+	<a href="/news/?fmt=rss" class="pull-right"><img src="/img/feed.png"/></a>
+</h4>
 
 <dl class="dl-horizontal">
 {{range .News}}
diff --git a/templates/news_rss.xml b/templates/news_rss.xml
new file mode 100644
index 0000000..50318b1
--- /dev/null
+++ b/templates/news_rss.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<rss version="2.0">
+<channel>
+{{with .S}}
+ <title>Imperial Library of Trantor - News</title>
+ <description>News of the library</description>
+ <link>{{.BaseURL}}/news/</link>
+{{end}}
+ 
+{{$baseURL := .S.BaseURL}}
+{{range .News}}
+ <item>
+  <title>{{.Date}}</title>
+  <description>{{.Text}}</description>
+  <link>{{$baseURL}}/news/</link>
+ </item>
+{{end}}
+ 
+</channel>
+</rss>