view libervia/pages/blog/page_meta.py @ 1466:cff720e26089

pages (blog/view): activate pagination when a single item is shown: `previous_page_url` and `next_page_url` are set when `item_id` is used. For now, they are both activated even if there is no item before or after, as it would request to make extra request to check it. This may be improved in 0.9 by using internal cache. fix 399
author Goffi <goffi@goffi.org>
date Thu, 30 Sep 2021 17:04:22 +0200
parents 0554103ec700
children ce879da7fcf7
line wrap: on
line source

#!/usr/bin/env python3

from sat.core.i18n import _
from libervia.server.constants import Const as C
from twisted.words.protocols.jabber import jid
from twisted.internet import defer
from libervia.server import session_iface
from sat.tools.common import data_format
from sat.core.log import getLogger

log = getLogger(__name__)

name = "blog"
access = C.PAGES_ACCESS_PUBLIC
template = "blog/discover.html"


async def prepare_render(self, request):
    profile = self.getProfile(request)
    template_data = request.template_data
    if profile is not None:
        __, entities_own, entities_roster = await self.host.bridgeCall(
            "discoFindByFeatures",
            [],
            [("pubsub", "pep")],
            True,
            False,
            True,
            True,
            True,
            profile,
        )
        entities = template_data["disco_entities"] = (
            list(entities_own.keys()) + list(entities_roster.keys())
        )
        entities_url = template_data["entities_url"] = {}
        identities = self.host.getSessionData(
            request, session_iface.ISATSession
        ).identities
        d_list = {}
        for entity_jid_s in entities:
            entities_url[entity_jid_s] = self.getPageByName("blog_view").getURL(
                entity_jid_s
            )
            if entity_jid_s not in identities:
                d_list[entity_jid_s] = self.host.bridgeCall(
                        "identityGet",
                        entity_jid_s,
                        [],
                        True,
                        profile)
        identities_data = await defer.DeferredList(d_list.values())
        entities_idx = list(d_list.keys())
        for idx, (success, identity_raw) in enumerate(identities_data):
            entity_jid_s = entities_idx[idx]
            if not success:
                log.warning(_("Can't retrieve identity of {entity}")
                    .format(entity=entity_jid_s))
            else:
                identities[entity_jid_s] = data_format.deserialise(identity_raw)

        template_data["url_blog_edit"] = self.getSubPageURL(request, "blog_edit")


def on_data_post(self, request):
    jid_str = self.getPostedData(request, "jid")
    try:
        jid_ = jid.JID(jid_str)
    except RuntimeError:
        self.pageError(request, C.HTTP_BAD_REQUEST)
    url = self.getPageByName("blog_view").getURL(jid_.full())
    self.HTTPRedirect(request, url)