web/views/isioc.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Wed, 14 Apr 2010 10:29:38 +0200
changeset 5244 5467674ad101
parent 4252 6c4f109c2b03
child 5421 8167de96c523
permissions -rw-r--r--
[web] put a fake object that raise Unauthorized on any attribute access as req.cnx and req._user, so we are properly asked to authenticated on any view that tries to do something with one of those attributes (instead of doing defensive programming everywhere we're doing that)

"""Specific views for SIOC interfaces

:organization: Logilab
:copyright: 2003-2010 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.
:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
"""
__docformat__ = "restructuredtext en"

from logilab.mtconverter import xml_escape

from cubicweb.view import EntityView
from cubicweb.selectors import implements
from cubicweb.interfaces import ISiocItem, ISiocContainer

class SIOCView(EntityView):
    __regid__ = 'sioc'
    __select__ = EntityView.__select__ & implements(ISiocItem, ISiocContainer)
    title = _('sioc')
    templatable = False
    content_type = 'text/xml'

    def call(self):
        self.w(u'<?xml version="1.0" encoding="%s"?>\n' % self._cw.encoding)
        self.w(u'''<rdf:RDF
             xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
             xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
             xmlns:owl="http://www.w3.org/2002/07/owl#"
             xmlns:foaf="http://xmlns.com/foaf/0.1/"
             xmlns:sioc="http://rdfs.org/sioc/ns#"
             xmlns:sioctype="http://rdfs.org/sioc/types#"
             xmlns:dcterms="http://purl.org/dc/terms/">\n''')
        for i in xrange(self.cw_rset.rowcount):
            self.cell_call(i, 0)
        self.w(u'</rdf:RDF>\n')

    def cell_call(self, row, col):
        self.wview('sioc_element', self.cw_rset, row=row, col=col)

class SIOCContainerView(EntityView):
    __regid__ = 'sioc_element'
    __select__ = EntityView.__select__ & implements(ISiocContainer)
    templatable = False
    content_type = 'text/xml'

    def cell_call(self, row, col):
        entity = self.cw_rset.complete_entity(row, col)
        sioct = xml_escape(entity.isioc_type())
        self.w(u'<sioc:%s rdf:about="%s">\n'
               % (sioct, xml_escape(entity.absolute_url())))
        self.w(u'<dcterms:title>%s</dcterms:title>'
               % xml_escape(entity.dc_title()))
        self.w(u'<dcterms:created>%s</dcterms:created>'
               % entity.creation_date)
        self.w(u'<dcterms:modified>%s</dcterms:modified>'
               % entity.modification_date)
        self.w(u'<!-- FIXME : here be items -->')#entity.isioc_items()
        self.w(u'</sioc:%s>\n' % sioct)


class SIOCItemView(EntityView):
    __regid__ = 'sioc_element'
    __select__ = EntityView.__select__ & implements(ISiocItem)
    templatable = False
    content_type = 'text/xml'

    def cell_call(self, row, col):
        entity = self.cw_rset.complete_entity(row, col)
        sioct = xml_escape(entity.isioc_type())
        self.w(u'<sioc:%s rdf:about="%s">\n'
               %  (sioct, xml_escape(entity.absolute_url())))
        self.w(u'<dcterms:title>%s</dcterms:title>'
               % xml_escape(entity.dc_title()))
        self.w(u'<dcterms:created>%s</dcterms:created>'
               % entity.creation_date)
        self.w(u'<dcterms:modified>%s</dcterms:modified>'
               % entity.modification_date)
        if entity.content:
            self.w(u'<sioc:content>%s</sioc:content>'''
                   % xml_escape(entity.isioc_content()))
        if entity.related('entry_of'):
            self.w(u'<sioc:has_container rdf:resource="%s"/>\n'
                   % xml_escape(entity.isioc_container().absolute_url()))
        if entity.creator:
            self.w(u'<sioc:has_creator>\n')
            self.w(u'<sioc:User rdf:about="%s">\n'
                   % xml_escape(entity.creator.absolute_url()))
            self.w(entity.creator.view('foaf'))
            self.w(u'</sioc:User>\n')
            self.w(u'</sioc:has_creator>\n')
        self.w(u'<!-- FIXME : here be topics -->')#entity.isioc_topics()
        self.w(u'<!-- FIXME : here be replies -->')#entity.isioc_replies()
        self.w(u' </sioc:%s>\n' % sioct)