aircox-radiocampus/aircox_cms/routes.py
2015-10-13 17:52:59 +02:00

175 lines
4.5 KiB
Python

from django.conf.urls import url
from django.contrib.contenttypes.models import ContentType
from django.utils import timezone
from django.utils.translation import ugettext as _, ugettext_lazy
from website.models import *
from website.views import *
class Router:
registry = []
def register (self, route):
if not route in self.registry:
self.registry.append(route)
def register_set (self, view_set):
for url in view_set.urls:
self.register(url)
def unregister (self, route):
self.registry.remove(route)
def get_urlpatterns (self):
return [ url for url in self.registry ]
class Route:
"""
Base class for routing. Given a model, we generate url specific for each
route type. The generated url takes this form:
model_name + '/' + route_name + '/' + '/'.join(route_url_args)
Where model_name by default is the given model's verbose_name (uses plural if
Route is for a list).
The given view is considered as a django class view, and has view_
"""
name = None # route name
url_args = [] # arguments passed from the url [ (name : regex),... ]
@classmethod
def get_queryset (cl, website, model, request, **kwargs):
"""
Called by the view to get the queryset when it is needed
"""
pass
@classmethod
def get_object (cl, website, model, request, **kwargs):
"""
Called by the view to get the object when it is needed
"""
pass
@classmethod
def get_title (cl, model, request, **kwargs):
return ''
@classmethod
def get_view_name (cl, name):
return name + '_' + cl.name
@classmethod
def as_url (cl, name, model, view, view_kwargs = None):
pattern = '^{}/{}'.format(name, cl.name)
if cl.url_args:
url_args = '/'.join([
'(?P<{}>{}){}'.format(
arg, expr,
(optional and optional[0] and '?') or ''
)
for arg, expr, *optional in cl.url_args
])
pattern += '/' + url_args
pattern += '/?$'
kwargs = {
'route': cl,
}
if view_kwargs:
kwargs.update(view_kwargs)
return url(pattern, view, kwargs = kwargs,
name = cl.get_view_name(name))
class DetailRoute (Route):
name = 'detail'
url_args = [
('pk', '[0-9]+'),
('slug', '(\w|-|_)+', True),
]
@classmethod
def get_object (cl, website, model, request, pk, **kwargs):
return model.objects.get(pk = int(pk))
class AllRoute (Route):
name = 'all'
@classmethod
def get_queryset (cl, website, model, request, **kwargs):
return model.objects.all()
@classmethod
def get_title (cl, model, request, **kwargs):
return _('All %(model)s') % {
'model': model._meta.verbose_name_plural
}
class ThreadRoute (Route):
"""
Select posts using by their assigned thread.
- "thread_model" can be a string with the name of a registered item on
website or a model.
- "pk" is the pk of the thread item.
"""
name = 'thread'
url_args = [
('thread_model', '(\w|_|-)+'),
('pk', '[0-9]+'),
]
@classmethod
def get_queryset (cl, website, model, request, thread_model, pk, **kwargs):
if type(thread_model) is str:
thread_model = website.registry.get(thread_model)
if not thread_model:
return
thread_model = ContentType.objects.get_for_model(thread_model)
return model.objects.filter(
thread_type = thread_model,
thread_pk = int(pk)
)
class DateRoute (Route):
name = 'date'
url_args = [
('year', '[0-9]{4}'),
('month', '[0-9]{2}'),
('day', '[0-9]{1,2}'),
]
@classmethod
def get_queryset (cl, website, model, request, year, month, day, **kwargs):
return model.objects.filter(
date__year = int(year),
date__month = int(month),
date__day = int(day),
)
class SearchRoute (Route):
name = 'search'
@classmethod
def get_queryset (cl, website, model, request, **kwargs):
q = request.GET.get('q') or ''
qs = model.objects
for search_field in model.search_fields or []:
r = model.objects.filter(**{ search_field + '__icontains': q })
if qs: qs = qs | r
else: qs = r
qs.distinct()
return qs