Fixing a bug whereby get_path on TreeModel and Node subclasses failed if the field...

[philo.git] / models.py

diff --git a/models.py b/models.py
index bacaefd..64cf769 100644 (file)
--- a/models.py
+++ b/models.py
@@ -23,26 +23,12 @@ from django.http import Http404, HttpResponse, HttpResponseServerError, HttpResp
 from django.core.servers.basehttp import FileWrapper
 
 
 from django.core.servers.basehttp import FileWrapper
 
 

-_value_models = {}
-_value_models_ct_pks = []
-
-

 def register_value_model(model):
 def register_value_model(model):

-       if issubclass(model, models.Model):
-               if model not in _value_models:
-                       _value_models[model] = ContentType.objects.get_for_model(model)
-                       _value_models_ct_pks.append(_value_models[model].pk)
-       else:
-               raise TypeError('philo.models.register_value_model only accepts subclasses of django.db.models.Model')
+       pass

 
 
 def unregister_value_model(model):
 
 
 def unregister_value_model(model):

-       if issubclass(model, models.Model):
-               if model in _value_models:
-                       _value_models_ct_pks.remove(_value_models[model].pk)
-                       del _value_models[model]
-       else:
-               raise TypeError('philo.models.unregister_value_model only accepts subclasses of django.db.models.Model')
+       pass

 
 
 class Attribute(models.Model):
 
 
 class Attribute(models.Model):


@@ -72,7 +58,7 @@ class Relationship(models.Model):
        entity_object_id = models.PositiveIntegerField(verbose_name='Entity ID')
        entity = generic.GenericForeignKey('entity_content_type', 'entity_object_id')
        key = models.CharField(max_length=255)
        entity_object_id = models.PositiveIntegerField(verbose_name='Entity ID')
        entity = generic.GenericForeignKey('entity_content_type', 'entity_object_id')
        key = models.CharField(max_length=255)

-       value_content_type = models.ForeignKey(ContentType, related_name='relationship_value_set', limit_choices_to={'pk__in': _value_models_ct_pks}, verbose_name='Value type')
+       value_content_type = models.ForeignKey(ContentType, related_name='relationship_value_set', verbose_name='Value type')

        value_object_id = models.PositiveIntegerField(verbose_name='Value ID')
        value = generic.GenericForeignKey('value_content_type', 'value_object_id')
        
        value_object_id = models.PositiveIntegerField(verbose_name='Value ID')
        value = generic.GenericForeignKey('value_content_type', 'value_object_id')
        


@@ -123,17 +109,14 @@ class CollectionMemberManager(models.Manager):
        use_for_related_fields = True
 
        def with_model(self, model):
        use_for_related_fields = True
 
        def with_model(self, model):

-               if model in _value_models:
-                       return model._default_manager.filter(pk__in=self.filter(member_content_type=_value_models[model]).values_list('member_object_id', flat=True))
-               else:
-                       raise TypeError('CollectionMemberManager.with_model only accepts models previously registered with philo.models.register_value_model')
+               return model._default_manager.filter(pk__in=self.filter(member_content_type=ContentType.objects.get_for_model(model)).values_list('member_object_id', flat=True))

 
 
 class CollectionMember(models.Model):
        objects = CollectionMemberManager()
        collection = models.ForeignKey(Collection, related_name='members')
        index = models.PositiveIntegerField(verbose_name='Index', help_text='This will determine the ordering of the item within the collection. (Optional)', null=True, blank=True)
 
 
 class CollectionMember(models.Model):
        objects = CollectionMemberManager()
        collection = models.ForeignKey(Collection, related_name='members')
        index = models.PositiveIntegerField(verbose_name='Index', help_text='This will determine the ordering of the item within the collection. (Optional)', null=True, blank=True)

-       member_content_type = models.ForeignKey(ContentType, limit_choices_to={'pk__in': _value_models_ct_pks}, verbose_name='Member type')
+       member_content_type = models.ForeignKey(ContentType, verbose_name='Member type')

        member_object_id = models.PositiveIntegerField(verbose_name='Member ID')
        member = generic.GenericForeignKey('member_content_type', 'member_object_id')
 
        member_object_id = models.PositiveIntegerField(verbose_name='Member ID')
        member = generic.GenericForeignKey('member_content_type', 'member_object_id')
 


@@ -180,10 +163,10 @@ class TreeModel(models.Model):
        slug = models.SlugField()
        
        def get_path(self, pathsep='/', field='slug'):
        slug = models.SlugField()
        
        def get_path(self, pathsep='/', field='slug'):

-               path = getattr(self, field)
+               path = getattr(self, field, '?')

                parent = self.parent
                while parent:
                parent = self.parent
                while parent:

-                       path = getattr(parent, field) + pathsep + path
+                       path = getattr(parent, field, '?') + pathsep + path

                        parent = parent.parent
                return path
        path = property(get_path)
                        parent = parent.parent
                return path
        path = property(get_path)


@@ -215,6 +198,15 @@ class TreeEntity(TreeModel, Entity):
 class Node(TreeEntity):
        instance_type = models.ForeignKey(ContentType, editable=False)
        
 class Node(TreeEntity):
        instance_type = models.ForeignKey(ContentType, editable=False)
        

+       def get_path(self, pathsep='/', field='slug'):
+               path = getattr(self.instance, field, '?')
+               parent = self.parent
+               while parent:
+                       path = getattr(parent.instance, field, '?') + pathsep + path
+                       parent = parent.parent
+               return path
+       path = property(get_path)
+       

        def save(self, force_insert=False, force_update=False):
                if not hasattr(self, 'instance_type_ptr'):
                        self.instance_type = ContentType.objects.get_for_model(self.__class__)
        def save(self, force_insert=False, force_update=False):
                if not hasattr(self, 'instance_type_ptr'):
                        self.instance_type = ContentType.objects.get_for_model(self.__class__)