Added support for Node subclasses whose instances accept subpaths, and created a...

[philo.git] / models.py

diff --git a/models.py b/models.py
index 4eb50f7..6691aca 100644 (file)
--- a/models.py
+++ b/models.py
@@ -19,7 +19,7 @@ from UserDict import DictMixin
 from templatetags.containers import ContainerNode
 from django.template.loader_tags import ExtendsNode, ConstantIncludeNode, IncludeNode
 from django.template.loader import get_template
-from django.http import HttpResponse, HttpResponseServerError, HttpResponseRedirect
+from django.http import Http404, HttpResponse, HttpResponseServerError, HttpResponseRedirect
 from django.core.servers.basehttp import FileWrapper
 
 
@@ -162,18 +162,33 @@ class TreeManager(models.Manager):
        def roots(self):
                return self.filter(parent__isnull=True)
        
-       def get_with_path(self, path, root=None, pathsep='/'):
+       def get_with_path(self, path, root=None, absolute_result=True, pathsep='/'):
+               """
+               Returns the object with the path, or None if there is no object with that path,
+               unless absolute_result is set to False, in which case it returns a tuple containing
+               the deepest object found along the path, and the remainder of the path after that
+               object as a string (or None in the case that there is no remaining path).
+               """
                slugs = path.split(pathsep)
                obj = root
+               remaining_slugs = list(slugs)
+               remainder = None
                for slug in slugs:
+                       remaining_slugs.remove(slug)
                        if slug: # ignore blank slugs, handles for multiple consecutive pathseps
                                try:
                                        obj = self.get(slug__exact=slug, parent__exact=obj)
                                except self.model.DoesNotExist:
-                                       obj = None
+                                       if absolute_result:
+                                               obj = None
+                                       remaining_slugs.insert(0, slug)
+                                       remainder = pathsep.join(remaining_slugs)
                                        break
                if obj:
-                       return obj
+                       if absolute_result:
+                               return obj
+                       else:
+                               return (obj, remainder)
                raise self.model.DoesNotExist('%s matching query does not exist.' % self.model._meta.object_name)
 
 
@@ -233,13 +248,32 @@ class Node(TreeEntity):
                return HttpResponseServerError()
 
 
+class MultiNode(Node):
+       accepts_subpath = True
+       
+       @property
+       def urlpatterns(self):
+               return []
+       
+       def render_to_response(self, request, path=None, subpath=None):
+               if not subpath:
+                       subpath = ""
+               subpath = "/" + subpath
+               from django.core.urlresolvers import resolve
+               view, args, kwargs = resolve(subpath, urlconf=self)
+               return view(request, *args, **kwargs)
+       
+       class Meta:
+               abstract = True
+
+
 class Redirect(Node):
        STATUS_CODES = (
                (302, 'Temporary'),
                (301, 'Permanent'),
        )
        target = models.URLField()
-       status_code = models.IntegerField(choices=STATUS_CODES, default=302, verbose_name="redirect type")
+       status_code = models.IntegerField(choices=STATUS_CODES, default=302, verbose_name='redirect type')
        
        def render_to_response(self, request, path=None, subpath=None):
                response = HttpResponseRedirect(self.target)