blog: Add RSS feed to the blog

[ipfire.org.git] / src / web / blog.py

#!/usr/bin/python

import email.utils
import tornado.web

import handlers_base as base

from . import ui_modules

class IndexHandler(base.BaseHandler):
	def get(self):
		posts = self.planet.get_entries(limit=3)

		self.render("blog/index.html", posts=posts)


class AuthorHandler(base.BaseHandler):
	def get(self, uid):
		author = self.accounts.get_by_uid(uid)
		if not author:
			raise tornado.web.HTTPError(404, "User is unknown")

		# Get all posts from this author
		posts = self.planet.get_entries_by_author(author.uid)
		if not posts:
			raise tornado.web.HTTPError(404, "User has no posts")

		self.render("blog/author.html", author=author, posts=posts)


class FeedHandler(base.BaseHandler):
	def get(self):
		cache_key = "%s-%s" % (self.request.host, self.request.path)

		# Get feed from cache if possible
		feed = self.memcached.get(cache_key)
		if not feed:
			posts = self.planet.get_entries(limit=50)

			# Render the feed
			feed = self.render_string("blog/feed.xml", posts=posts,
				now=email.utils.formatdate())

			# Store in cache for 5min
			self.memcached.set(cache_key, feed, 300)

		# Set correct content type
		self.set_header("Content-Type", "application/rss+xml")

		# Deliver content
		self.finish(feed)


class PostHandler(base.BaseHandler):
	def get(self, slug):
		entry = self.planet.get_entry_by_slug(slug)
		if not entry:
			raise tornado.web.HTTPError(404)

		self.render("blog/post.html", post=entry)


class SearchHandler(base.BaseHandler):
	def get(self):
		q = self.get_argument("q")

		posts = self.planet.search(q)
		if not posts:
			raise tornado.web.HTTPError(404, "Nothing found")

		self.render("blog/search-results.html", q=q, posts=posts)


class PostModule(ui_modules.UIModule):
	def render(self, post):
		return self.render_string("blog/modules/post.html", post=post)


class PostsModule(ui_modules.UIModule):
	def render(self, posts):
		return self.render_string("blog/modules/posts.html", posts=posts)