view src/pages/tickets/page_meta.py @ 995:f88325b56a6a

server: dynamic pages first draft: /!\ new dependency: autobahn This patch introduce server part of dynamic pages. Dynamic pages use websockets to establish constant connection with a Libervia page, allowing to receive real time data or update it. The feature is activated by specifying "dynamic = true" in the page. Once activated, page can implement "on_data" method which will be called when data are sent by the page. To send data the other way, the page can use request.sendData. The new "registerSignal" method allows to use an "on_signal" method to be called each time given signal is received, with automatic (and optional) filtering on profile. New renderPartial and renderAndUpdate method allow to append new HTML elements to the dynamic page.
author Goffi <goffi@goffi.org>
date Wed, 03 Jan 2018 01:10:12 +0100
parents 7fdd24014aa4
children c1c74d97a691
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#!/usr/bin/env python2.7
# -*- coding: utf-8 -*-

from libervia.server.constants import Const as C
from sat.core.i18n import _
from twisted.internet import defer
from twisted.words.protocols.jabber import jid
from sat.tools.common import template_xmlui
from sat.tools.common import data_objects
from sat.core.log import getLogger
log = getLogger('pages/ticket')
"""ticket handling pages"""

name = u'tickets_list'
access = C.PAGES_ACCESS_PUBLIC
template = u"ticket/overview.html"


def parse_url(self, request):
    # check the service and node to use
    try:
        service = self.nextPath(request)
        node = self.nextPath(request)
    except IndexError:
        log.warning(_(u"missing service and node"))
        self.pageError(request, C.HTTP_BAD_REQUEST)

    if not service or service == u'@':
        service = u''

    if service:
        try:
            service = jid.JID(service)
        except Exception:
            log.warning(_(u"bad service entered: {}").format(service))
            self.pageError(request, C.HTTP_BAD_REQUEST)

    if not node or node == u'@':
        node = u''


    self.checkCache(request, C.CACHE_PUBSUB, service=service, node=node, short='tickets')

    data = self.getRData(request)
    data['service'] = service
    data['node'] = node

    template_data = request.template_data
    template_data[u'url_tickets_list'] = self.getPageByName('tickets_list').getURL(service.full(), node or u'@')
    template_data[u'url_tickets_new'] = self.getSubPageURL(request, 'tickets_new')

@defer.inlineCallbacks
def prepare_render(self, request):
    data = self.getRData(request)
    template_data = request.template_data
    service, node = data[u'service'], data[u'node']
    profile = self.getProfile(request) or C.SERVICE_PROFILE

    tickets = yield self.host.bridge.ticketsGet(service.full() if service else u'', node, C.NO_LIMIT, [], '', {}, profile)
    template_data[u'tickets'] = [template_xmlui.create(self.host, x) for x in tickets[0]]
    template_data[u'on_ticket_click'] = data_objects.OnClick(url=self.getSubPageURL(request, 'tickets_view', '{item.id}'))