root/branches/pluggable-contents/common/views.py

# vim: encoding=utf-8 :

from django.conf import settings
from django.core.urlresolvers import reverse
from django.http import HttpResponse, Http404
from django.template import loader, RequestContext
from django.utils.translation import ugettext_lazy as _

from blog.models import Entry
from common.models import FlatPage

DEFAULT_TEMPLATE = 'flatpages/default.html'


def sitemap(request):
    """
    Show sitemap.xml
    """
    entries = Entry.objects.filter(is_published__exact=True)\
                           .filter(is_active__exact=True)\
                           .order_by('-updated_at')
    flatpages = FlatPage.objects.filter(is_published__exact=True)\
                                .filter(is_active__exact=True)\
                                .order_by('-updated_at')
    c = RequestContext(request, {
        'entries': entries,
        'flatpages': flatpages,
    })
    t = loader.get_template('sitemap.xml')
    return HttpResponse(t.render(c), mimetype='text/xml; charset=utf-8')


def flatpage(request, url):
    """
    Show flatpage.
    """
    if not url.startswith('/'):
        url = "/" + url
    queryset = FlatPage.objects.filter(url__exact=url)\
                               .filter(is_active__exact=True)
    try:
        if request.user.is_authenticated():
            obj = queryset.get()
        else:
            obj = queryset.get(is_published__exact=True)
    except FlatPage.DoesNotExist:
        raise Http404
    if obj.template_name:
        t = loader.select_template((obj.template_name, DEFAULT_TEMPLATE))
    else:
        t = loader.get_template(DEFAULT_TEMPLATE)
    c = RequestContext(request, {'obj': obj})
    return HttpResponse(t.render(c))


def page_not_found(request):
    """
    Handling error 404.
    """
    referer = request.META.get('HTTP_REFERER')
    description = _(u"The requested URL %(path)s was not found.") % {'path': request.path}
    c = RequestContext(request, {
        'description': description,
        'referer': referer or reverse('top_page'),
        'title': _(u"Not found"),
        'top_page': reverse('top_page'),
    })
    t = loader.get_template('error.html')
    return HttpResponse(t.render(c), status=404)


def server_error(request):
    """
    Handling Error 500.                                                                  
    """
    referer = request.META.get('HTTP_REFERER')                                               
    c = RequestContext(request, {  
        'description': _(u"The server encountered an internal server error."),        
        'referer': referer or reverse('top_page'),                                
        'title': _(u"Internal server error"),
        'top_page': reverse('top_page'),
    })
    t = loader.get_template('error.html')
    return HttpResponse(t.render(c), status=500)