views.py

#
# Copyright (c) 2015 NIBIO <http://www.nibio.no/>. 
# 
# This file is part of VIPSWeb.
# VIPSWeb is free software: you can redistribute it and/or modify
# it under the terms of the NIBIO Open Source License as published by 
# NIBIO, either version 1 of the License, or (at your option) any
# later version.
# 
# VIPSWeb is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# NIBIO Open Source License for more details.
#
# You should have received a copy of the NIBIO Open Source License
# along with VIPSWeb.  If not, see <http://www.nibio.no/licenses/>.
# 

from django.shortcuts import render
from information.models import InformationLocale, Information


def index(request):
    # Check that root element exists
    try:
        root_information = Information.objects.filter(parent_information__isnull=True)
        return detail(request,root_information[0].id)
    except:
        # Fallback: Return an empty page
        context = {}
        return render(request, 'information/index.html', context)

def detail(request, information_id):
    information_locale = InformationLocale.get_information_locale_with_fallback(information_id)
    # Is there a parent?
    #parent_information = information_locale.information.parent_information
    # We get all the children too
    #children_locales = []
    #for child in information_locale.information.children.all():
    #    children_locales.append(InformationLocale.get_information_locale_with_fallback(child.pk))
    
    context = {
               'information_locale' : information_locale, 
               #'parent_information' : parent_information,
               #'children_locales':children_locales,
               'breadcrumb': get_breadcrumb(information_locale.information)
               }
    return render(request, 'information/detail.html', context)

def get_breadcrumb(information):
    active_id= information.pk
    breadcrumb = []#[]
    while information != None:
        information_locale = InformationLocale.get_information_locale_with_fallback(information.pk)
        children_locales = []
        for child in information_locale.information.children.all():
            children_locales.append(InformationLocale.get_information_locale_with_fallback(child.pk))
        breadcrumb.append({
                           "id":information_locale.information.pk,
                           "title":information_locale.headline,
                           "active" : information.pk == active_id,
                           "children_locales" : children_locales
                           })
        information = information.parent_information
    return breadcrumb