def type(self): if self._type is None: self._type = get_content_type_name(self.context) return self._type
def showtag_view(context, request, community=None, user=None, crumb_title=None): """Show a page for a particular tag, optionally refined by context.""" page_title = 'Show Tag' api = request.api api.page_title = page_title # The tag screens (cloud, listing, and this view) each have a # "jump box" that allows you to quickly jump to another tag. All # three will point here at /showtag?tag=tag1. We detect this mode # and do a redirect. jump_tag = request.params.get('jumptag', False) if jump_tag: location = model_url(context, request, request.view_name, jump_tag) return HTTPFound(location=location) # Our strategy is to support tag URLs that are like this: # /showtag/tag1 # ...instead of: # /tagpage.html?tag=tag1 # However, our tag data isn't traversable (it is site.tags and not # site['tags']. So we have a view at /showtag that picks apart # the next hop in the URL. tag = request.subpath if not tag: # The user didn't provide anything beyond /showtag in the URL tag = None entries = related = [] else: # Ahh, the good part. Let's find some tag results and unpack # data into what the ZPT needs. tag = tag[0] page_title = 'Show Tag ' + tag catalog = find_catalog(context) dm = catalog.document_map tags = find_tags(context) related = tags.getRelatedTags(tag, user=user, community=community) entries = [] if user: users = (user,) else: users = None for docid in tags.getItems(tags=(tag,), users=users, community=community, ): # XXX Need to wire in batching address = dm.address_for_docid(int(docid)) if address is None: raise KeyError(docid) resource = find_model(context, address) # Skip documents which aren't viewable by authenticated user #if not has_permission('view', resource, request): # continue # Do a secondary query for each result to find the # per-user info users = tags.getUsers(tags=(tag,), items=(docid,), community=community) if len(users) == 1: tuh = '1 person' else: tuh = '%s people' % len(users) tuhref = model_url(context, request, 'tagusers.html', query={'tag': tag, 'docid': docid}) entry = { 'title': resource.title, 'description': getattr(resource, 'description', ''), 'href': model_url(resource, request), 'type': get_content_type_name(resource), 'tagusers_href': tuhref, 'tagusers_count': tuh, } entries.append(entry) args = dict( api=api, tag=tag, entries=entries, related=related, ) if crumb_title: # XXX Would context.title be a bit nicer for displaying to user? system_name = get_setting(context, 'system_name', 'KARL') args['crumbs'] = '%s / %s / %s' % ( system_name, crumb_title, context.__name__) return dict(**args)