mirror of
https://github.com/netbox-community/netbox.git
synced 2024-05-10 07:54:54 +00:00
70 lines
2.5 KiB
Python
70 lines
2.5 KiB
Python
from django.contrib.contenttypes.models import ContentType
|
|
from rest_framework.fields import Field
|
|
|
|
from extras.choices import CustomFieldTypeChoices
|
|
from extras.models import CustomField
|
|
from netbox.constants import NESTED_SERIALIZER_PREFIX
|
|
|
|
|
|
#
|
|
# Custom fields
|
|
#
|
|
|
|
class CustomFieldDefaultValues:
|
|
"""
|
|
Return a dictionary of all CustomFields assigned to the parent model and their default values.
|
|
"""
|
|
requires_context = True
|
|
|
|
def __call__(self, serializer_field):
|
|
self.model = serializer_field.parent.Meta.model
|
|
|
|
# Retrieve the CustomFields for the parent model
|
|
content_type = ContentType.objects.get_for_model(self.model)
|
|
fields = CustomField.objects.filter(content_types=content_type)
|
|
|
|
# Populate the default value for each CustomField
|
|
value = {}
|
|
for field in fields:
|
|
if field.default is not None:
|
|
value[field.name] = field.default
|
|
else:
|
|
value[field.name] = None
|
|
|
|
return value
|
|
|
|
|
|
class CustomFieldsDataField(Field):
|
|
|
|
def _get_custom_fields(self):
|
|
"""
|
|
Cache CustomFields assigned to this model to avoid redundant database queries
|
|
"""
|
|
if not hasattr(self, '_custom_fields'):
|
|
content_type = ContentType.objects.get_for_model(self.parent.Meta.model)
|
|
self._custom_fields = CustomField.objects.filter(content_types=content_type)
|
|
return self._custom_fields
|
|
|
|
def to_representation(self, obj):
|
|
# TODO: Fix circular import
|
|
from utilities.api import get_serializer_for_model
|
|
data = {}
|
|
for cf in self._get_custom_fields():
|
|
value = cf.deserialize(obj.get(cf.name))
|
|
if value is not None and cf.type == CustomFieldTypeChoices.TYPE_OBJECT:
|
|
serializer = get_serializer_for_model(cf.object_type.model_class(), prefix=NESTED_SERIALIZER_PREFIX)
|
|
value = serializer(value, context=self.parent.context).data
|
|
elif value is not None and cf.type == CustomFieldTypeChoices.TYPE_MULTIOBJECT:
|
|
serializer = get_serializer_for_model(cf.object_type.model_class(), prefix=NESTED_SERIALIZER_PREFIX)
|
|
value = serializer(value, many=True, context=self.parent.context).data
|
|
data[cf.name] = value
|
|
|
|
return data
|
|
|
|
def to_internal_value(self, data):
|
|
# If updating an existing instance, start with existing custom_field_data
|
|
if self.parent.instance:
|
|
data = {**self.parent.instance.custom_field_data, **data}
|
|
|
|
return data
|