from django.core.servers.basehttp import FileWrapper
-def _ct_model_name(model):
- opts = model._meta
- while opts.proxy:
- model = opts.proxy_for_model
- opts = model._meta
- return opts.object_name.lower()
+_value_models = {}
+_value_models_ct_pks = []
+
+
+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')
+
+
+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')
class Attribute(models.Model):
key = models.CharField(max_length=255)
json_value = models.TextField(verbose_name='Value (JSON)', help_text='This value must be valid JSON.')
- @property
- def value(self):
+ def get_value(self):
return json.loads(self.json_value)
+ def set_value(self, value):
+ self.json_value = json.dumps(value)
+
+ def delete_value(self):
+ self.json_value = json.dumps(None)
+
+ value = property(get_value, set_value, delete_value)
+
def __unicode__(self):
return u'"%s": %s' % (self.key, self.value)
class Relationship(models.Model):
- _value_models = []
-
- @staticmethod
- def register_value_model(model):
- if issubclass(model, models.Model):
- model_name = _ct_model_name(model)
- if model_name not in Relationship._value_models:
- Relationship._value_models.append(model_name)
- else:
- raise TypeError('Relationship.register_value_model only accepts subclasses of django.db.models.Model')
-
- @staticmethod
- def unregister_value_model(model):
- if issubclass(model, models.Model):
- model_name = _ct_model_name(model)
- if model_name in Relationship._value_models:
- Relationship._value_models.remove(model_name)
- else:
- raise TypeError('Relationship.unregister_value_model only accepts subclasses of django.db.models.Model')
-
entity_content_type = models.ForeignKey(ContentType, related_name='relationship_entity_set', verbose_name='Entity type')
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={'model__in':_value_models}, verbose_name='Value type')
+ 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_object_id = models.PositiveIntegerField(verbose_name='Value ID')
value = generic.GenericForeignKey('value_content_type', 'value_object_id')
description = models.TextField(blank=True, null=True)
-class CollectionMember(models.Model):
- _value_models = []
-
- @staticmethod
- def register_value_model(model):
- if issubclass(model, models.Model):
- model_name = _ct_model_name(model)
- if model_name not in CollectionMember._value_models:
- CollectionMember._value_models.append(model_name)
- else:
- raise TypeError('CollectionMember.register_value_model only accepts subclasses of django.db.models.Model')
-
- @staticmethod
- def unregister_value_model(model):
- if issubclass(model, models.Model):
- model_name = _ct_model_name(model)
- if model_name in CollectionMember._value_models:
- CollectionMember._value_models.remove(model_name)
+class CollectionMemberManager(models.Manager):
+ 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('CollectionMember.unregister_value_model only accepts subclasses of django.db.models.Model')
-
+ raise TypeError('CollectionMemberManager.with_model only accepts models previously registered with philo.models.register_value_model')
+
+
+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={'model__in':_value_models}, verbose_name='Member type')
+ member_content_type = models.ForeignKey(ContentType, limit_choices_to={'pk__in': _value_models_ct_pks}, verbose_name='Member type')
member_object_id = models.PositiveIntegerField(verbose_name='Member ID')
member = generic.GenericForeignKey('member_content_type', 'member_object_id')
-def register_value_model(model):
- Relationship.register_value_model(model)
- CollectionMember.register_value_model(model)
-
-
-def unregister_value_model(model):
- Relationship.unregister_value_model(model)
- CollectionMember.unregister_value_model(model)
-
-
class TreeManager(models.Manager):
use_for_related_fields = True
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__)
class MultiNode(Node):
accepts_subpath = True
- @property
- def urlpatterns(self):
- return []
+ urlpatterns = []
def render_to_response(self, request, path=None, subpath=None):
if not subpath:
git.ithinksw.org / philo.git / blobdiff