From bcc3ed4d6b3cbcac65623c5e72abecf836e5015e Mon Sep 17 00:00:00 2001
From: Michael Tremer <michael.tremer@ipfire.org>
Date: Sun, 2 Jan 2011 19:34:26 +0100
Subject: [PATCH] Add RSS for planet.ipfire.org.

---
 www/templates/planet-main.html |   2 +-
 www/templates/rss.xml          |  16 ++--
 www/webapp/__init__.py         |   6 +-
 www/webapp/handlers_base.py    |  14 ++-
 www/webapp/handlers_planet.py  |   4 +-
 www/webapp/handlers_rss.py     | 154 +++++++++++++++++++++++++++++++++
 6 files changed, 181 insertions(+), 15 deletions(-)
 create mode 100644 www/webapp/handlers_rss.py

diff --git a/www/templates/planet-main.html b/www/templates/planet-main.html
index af9d02b..388e12c 100644
--- a/www/templates/planet-main.html
+++ b/www/templates/planet-main.html
@@ -14,7 +14,7 @@
 				zu informieren.
 			</p>
 			<p>
-				Um den Aufwand für die Entwickler in Maßen zu halten sind leider
+				Um den Aufwand für die Entwickler in Maßen zu halten sind
 				alle Einträge nur auf Englisch verfügbar.
 			</p>
 		{% else %}
diff --git a/www/templates/rss.xml b/www/templates/rss.xml
index f87c9dd..d4809bf 100644
--- a/www/templates/rss.xml
+++ b/www/templates/rss.xml
@@ -1,19 +1,19 @@
 <?xml version="1.0" encoding="utf-8"?>
 <rss version="2.0">
 	<channel>
-		<title>IPFire.org - News</title>
-		<link>http://www.ipfire.org/</link>
-		<description>IPFire News Feed</description>
+		<title>{{ title }}</title>
+		<link>{{ url }}</link>
+		<description>{{ description }}</description>
 		<language>{{ lang }}</language>
-		<copyright>IPFire-Team</copyright>
+		<copyright>IPFire Team</copyright>
 		<pubDate>Thu, 8 Nov 2007 00:00:00 +0200</pubDate>
 		{% for item in items %}
 			<item>
 				<title>{{ item.title }}</title>
-				<link>http://www.ipfire.org/news/{{ item.slug }}</link>
-				<author>{{ item.author.email }} ({{ item.author.cn }})</author>
-				<guid>{{ item.uuid }}</guid>
-				<pubDate>{{ item.date }}</pubDate>
+				<link>{{ item.url }}</link>
+				<author>{{ item.author.mail }} ({{ item.author.name }})</author>
+				<guid>{{ item.url }}</guid>
+				<pubDate>{{ item.date.strftime("%a, %d %b %Y %H:%M:%S +0200") }}</pubDate>
 				<description>
 					<![CDATA[
 						{{ item.text }}
diff --git a/www/webapp/__init__.py b/www/webapp/__init__.py
index 705966e..06a4921 100644
--- a/www/webapp/__init__.py
+++ b/www/webapp/__init__.py
@@ -64,7 +64,7 @@ class Application(tornado.web.Application):
 			(r"/downloads?", DownloadHandler),
 
 			# RSS feed
-			(r"/news.rss", RSSHandler),
+			(r"/news.rss", RSSNewsHandler),
 
 			# Redirection for bookmarks, etc.
 			(r"/(de|en)/(.*)", LangCompatHandler)
@@ -98,6 +98,10 @@ class Application(tornado.web.Application):
 			(r"/", PlanetMainHandler),
 			(r"/post/([A-Za-z0-9_-]+)", PlanetPostingHandler),
 			(r"/user/([a-z0-9_-]+)", PlanetUserHandler),
+
+			# RSS
+			(r"/rss", RSSPlanetAllHandler),
+			(r"/user/([a-z0-9_-]+)/rss", RSSPlanetUserHandler),
 		] + static_handlers)
 
 		# stasy.ipfire.org
diff --git a/www/webapp/handlers_base.py b/www/webapp/handlers_base.py
index 109b378..263b11c 100644
--- a/www/webapp/handlers_base.py
+++ b/www/webapp/handlers_base.py
@@ -46,12 +46,14 @@ class BaseHandler(tornado.web.RequestHandler):
 			"year" : time.strftime("%Y"),
 		}
 
-	def render(self, *args, **kwargs):
-		kwargs.update(self.render_args)
+	def render(self, *args, **_kwargs):
+		kwargs = self.render_args
+		kwargs.update(_kwargs)
 		tornado.web.RequestHandler.render(self, *args, **kwargs)
 
-	def render_string(self, *args, **kwargs):
-		kwargs.update(self.render_args)
+	def render_string(self, *args, **_kwargs):
+		kwargs = self.render_args
+		kwargs.update(_kwargs)
 		return tornado.web.RequestHandler.render_string(self, *args, **kwargs)
 
 	def get_error_html(self, status_code, **kwargs):
@@ -104,3 +106,7 @@ class BaseHandler(tornado.web.RequestHandler):
 	@property
 	def tracker(self):
 		return backend.Tracker()
+
+	@property
+	def planet(self):
+		return backend.Planet()
diff --git a/www/webapp/handlers_planet.py b/www/webapp/handlers_planet.py
index 3bb533b..dcd82ec 100644
--- a/www/webapp/handlers_planet.py
+++ b/www/webapp/handlers_planet.py
@@ -19,6 +19,8 @@ class PlanetBaseHandler(BaseHandler):
 
 
 class PlanetMainHandler(PlanetBaseHandler):
+	rss_url = "/rss"
+
 	def get(self):
 		offset = int(self.get_argument("offset", 0))
 		limit = int(self.get_argument("limit", 4))
@@ -43,7 +45,7 @@ class PlanetUserHandler(PlanetBaseHandler):
 			offset=offset, limit=limit)
 
 		self.render("planet-user.html", author=author, entries=entries,
-			offset=offset + limit, limit=limit)
+			offset=offset + limit, limit=limit, rss_url="/user/%s/rss" % author.uid)
 
 
 class PlanetPostingHandler(PlanetBaseHandler):
diff --git a/www/webapp/handlers_rss.py b/www/webapp/handlers_rss.py
new file mode 100644
index 0000000..a30c008
--- /dev/null
+++ b/www/webapp/handlers_rss.py
@@ -0,0 +1,154 @@
+#!/usr/bin/python
+
+import textile
+import tornado.database
+
+import backend
+
+from handlers_base import *
+
+class RSSHandler(BaseHandler):
+	_cache_prefix = ""
+
+	@property
+	def cache_prefix(self):
+		return self._cache_prefix
+
+	def prepare(self):
+		self.set_header("Content-Type", "application/rss+xml")
+
+	def get(self):
+		offset = int(self.get_argument("offset", 0))
+		limit = int(self.get_argument("limit", 10))
+
+		rss_id = "rss-%s-locale=%s-limit=%s-offset=%s" % \
+			(self.cache_prefix, self.locale.code, limit, offset)
+
+		items = self.memcached.get(rss_id)
+		if not items:
+			items = self.generate()
+			
+			self.memcached.set(rss_id, items, 15)
+
+		self.render("rss.xml", items=items, title=self.title,
+			url=self.url, description=self.description)
+
+	def generate(self):
+		raise NotImplementedError
+
+
+class RSSNewsHandler(RSSHandler):
+	_cache_prefix = "news"
+
+	title = "IPFire.org - News"
+	url   = "http://www.ipfire.org/"
+	description = "IPFire News Feed"
+
+	def generate(self):
+		offset = int(self.get_argument("offset", 0))
+		limit = int(self.get_argument("limit", 10))
+
+		news = self.news.get_latest(
+			locale=self.locale,
+			limit=limit,
+			offset=offset,
+		)
+
+		items = []
+		for n in news:
+			# Get author information
+			author = self.get_account(n.author_id)
+			n.author = tornado.database.Row(
+				name = author.cn,
+				mail = author.email,
+			)
+
+			# Render text
+			n.text = textile.textile(n.text)
+
+			item = tornado.database.Row({
+				"title"  : n.title,
+				"author" : n.author,
+				"date"   : n.date,
+				"url"    : "http://www.ipfire.org/news/%s" % n.slug,
+				"text"   : n.text,
+			})
+			items.append(item)
+
+		return items
+
+
+class RSSPlanetAllHandler(RSSHandler):
+	_cache_prefix = "planet"
+
+	title = "IPFire.org - Planet"
+	url   = "http://planet.ipfire.org/"
+	description = "IPFire Planet Feed"
+
+	def generate(self):
+		offset = int(self.get_argument("offset", 0))
+		limit = int(self.get_argument("limit", 10))
+
+		news = self.planet.get_entries(
+			limit=limit,
+			offset=offset,
+		)
+
+		items = []
+		for n in news:
+			# Get author information
+			author = tornado.database.Row(
+				name = n.author.cn,
+				mail = n.author.email,
+			)
+
+			item = tornado.database.Row({
+				"title"  : n.title,
+				"author" : author,
+				"date"   : n.published,
+				"url"    : "http://planet.ipfire.org/post/%s" % n.slug,
+				"text"   : textile.textile(n.text),
+			})
+			items.append(item)
+
+		return items
+
+
+class RSSPlanetUserHandler(RSSPlanetAllHandler):
+	@property
+	def cache_prefix(self):
+		return "%s-user=%s" % (self._cache_prefix, self.user)
+
+	def get(self, user):
+		self.user = user
+
+		return RSSPlanetAllHandler.get(self)
+
+	def generate(self):
+		offset = int(self.get_argument("offset", 0))
+		limit = int(self.get_argument("limit", 10))
+
+		news = self.planet.get_entries_by_author(
+			self.user,
+			limit=limit,
+			offset=offset,
+		)
+
+		items = []
+		for n in news:
+			# Get author information
+			author = tornado.database.Row(
+				name = n.author.cn,
+				mail = n.author.email,
+			)
+
+			item = tornado.database.Row({
+				"title"  : n.title,
+				"author" : author,
+				"date"   : n.published,
+				"url"    : "http://planet.ipfire.org/post/%s" % n.slug,
+				"text"   : textile.textile(n.text),
+			})
+			items.append(item)
+
+		return items
-- 
2.39.2