view src/pages/common/blog/atom.xml/page_meta.py @ 1019:34240d08f682

pages: HTTP cache headers handling: when checkCache is used, HTTP headers handling cache are now used: - ETag is first checked, using a hash of the rendered content - Last-Modified is used as a fallback is client is not handling ETag When suitable, a HTTP 304 code (Not Modified) wihtout body is returned instead of the whole page.
author Goffi <goffi@goffi.org>
date Sun, 21 Jan 2018 13:14:06 +0100
parents 8e7897b1008a
children 6dc90f109e57
line wrap: on
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#!/usr/bin/env python2.7
# -*- coding: utf-8 -*-

from libervia.server.constants import Const as C
from twisted.internet import defer
from sat.tools.common import uri
import time

name = u"blog_feed_atom"
access = C.PAGES_ACCESS_PUBLIC
template = u"blog/atom.xml"


@defer.inlineCallbacks
def prepare_render(self, request):
    request.setHeader('Content-Type', 'application/atom+xml; charset=utf-8')
    template_data = request.template_data
    data = self.getRData(request)
    data['show_comments'] = False
    service, node = data[u'service'], data.get(u'node')
    blog_page = self.getPageByName(u'blog')
    yield blog_page.prepare_render(self, request)
    items = data[u'items']

    template_data[u'request_uri'] = self.host.getExtBaseURL(request, request.uri.decode('utf-8'))
    template_data[u'xmpp_uri'] = uri.buildXMPPUri(u'pubsub',
                                                 subtype=u'microblog',
                                                 path=service.full(),
                                                 node=node)
    blog_view = self.getPageByName(u'blog_view')
    template_data[u'http_uri'] = self.host.getExtBaseURL(request, blog_view.getURL(service.full(), node))
    if items:
        template_data[u'updated'] = items[0].updated
    else:
        template_data[u'updated'] = time.time()