def get_resource_name_from_id_field(self, field_name, id_field):
parent_serializer = get_parent_serializer(id_field)
if isinstance(id_field, dja_serializers.ResourceRelatedField):
return id_field.get_resource_type_from_included_serializer()
elif isinstance(id_field, serializers.Serializer):
return json_api_utils.get_resource_type_from_serializer(id_field)
# Other kinds of fields
if hasattr(id_field, 'model'):
model = id_field.model
elif hasattr(id_field, 'get_queryset') and id_field.get_queryset():
model = id_field.get_queryset().model
# If the RelatedField hasn't got a queryset, take model from the serializer and find proper model field
else:
serializer_meta = getattr(parent_serializer, 'Meta', None)
this_model = getattr(serializer_meta, 'model', None)
source = getattr(id_field, 'source', '') or id_field.field_name
if not source and isinstance(id_field.parent,
serializers.ManyRelatedField):
source = getattr(id_field.parent, 'source',
'') or id_field.parent.field_name
model = get_related_model(this_model, source)
# Resource name from model
if model:
return get_resource_type_from_model(model)
raise ValueError(
f"Unable to extract resource name for {parent_serializer}.{field_name} serializer field"
)
def to_internal_value(self, data):
if data['type'] != get_resource_type_from_model(self.model_class):
self.fail('incorrect_model_type', model_type=self.model_class, received_type=data['type'])
try:
return get_instance_from_id(self.model_class, data['id'])
except ObjectDoesNotExist:
self.fail('does_not_exist', pk_value=data['id'])
except (TypeError, ValueError):
self.fail('incorrect_type', data_type=type(data['id']).__name__)
def to_internal_value(self, data):
if data['type'] != get_resource_type_from_model(self.model_class):
self.fail('incorrect_model_type', model_type=self.model_class, received_type=data['type'])
pk = data['id']
try:
return self.model_class.objects.get(pk=pk)
except ObjectDoesNotExist:
self.fail('does_not_exist', pk_value=pk)
except (TypeError, ValueError):
self.fail('incorrect_type', data_type=type(data['pk']).__name__)
def to_internal_value(self, data):
if data['type'] != get_resource_type_from_model(self.model_class):
self.fail('incorrect_model_type', model_type=self.model_class, received_type=data['type'])
pk = data['auction']
try:
return self.model_class.objects.get(pk=pk)
except ObjectDoesNotExist:
self.fail('does_not_exist', pk_value=pk)
except (TypeError, ValueError):
self.fail('incorrect_type', data_type=type(data['pk']).__name__)
def to_internal_value(self, data):
if data["type"] != get_resource_type_from_model(self.model_class):
self.fail(
"incorrect_model_type",
model_type=self.model_class,
received_type=data["type"],
)
pk = data["id"]
try:
return self.model_class.objects.get(pk=pk)
except ObjectDoesNotExist:
self.fail("does_not_exist", pk_value=pk)
except (TypeError, ValueError):
self.fail("incorrect_type", data_type=type(data["pk"]).__name__)
def get_resource_name_from_related_id_field(self, field_name, id_field):
# Unpack ManyRelatedField from many wrapper
id_field = getattr(id_field, 'child_relation', None) or id_field
# Not very frequent case but different from others
if isinstance(id_field, serializers.Serializer):
return json_api_utils.get_resource_type_from_serializer(id_field)
# Most cases
else:
# Try to get from included serializers
parent_serializer = get_parent_serializer(id_field)
if isinstance(id_field, dja_serializers.ResourceRelatedField):
resource_name = id_field.get_resource_type_from_included_serializer(
)
if resource_name:
return resource_name
related_model = get_field_related_model(id_field)
if related_model:
return get_resource_type_from_model(related_model)
raise ValueError(
f"Unable to extract resource name for {parent_serializer}.{field_name} serializer field"
)
