Using Django views queries in graphene resolvers

Question

How can I use my django view queries in graphene resolvers as queries?

def get_queryset(self):
    return CustomerModel.objects.for_entity(
        entity_slug=self.kwargs['entity_slug'],
        user_model=self.request.user
    ).order_by('-updated')

I tried this but it did not work

class CustomerList(DjangoObjectType):
"""testing API
"""
class Meta:
    model = CustomerModel
    fields = ("email",)
class CustomerQuery(graphene.ObjectType):
all_customers = graphene.List(CustomerList)

def resolve_all_customers(self, root, **kwargs):
    return CustomerModel.objects.for_entity.filter(
        entity_slug=self.kwargs['entity_slug'],
        user_model=self.request.user
    ).order_by('-updated')

I get this graphql error

"message": "'NoneType' object has no attribute 'kwargs'",
"locations": [
{
"line": 2,
"column": 3
}

Zilay · Accepted Answer · 2022-03-08 17:43:23Z

1

You have to define the arguement in

all_customers = graphene.List(CustomerList)

Like this

all_customers = graphene.List(CustomerList, entity_slug=graphene.String(required=True))

Complete Code:

class CustomerQuery(graphene.ObjectType):
    all_customers = graphene.List(CustomerList, entity_slug=graphene.String(required=True))

def resolve_all_customers(self, root, **kwargs):
    return CustomerModel.objects.for_entity.filter(
        entity_slug=kwargs.get('entity_slug'),
        user_model=self.request.user
    ).order_by('-updated')

To read more, check the official document

answered Mar 8, 2022 at 17:43

Zilay

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7 Comments

Eric paul Over a year ago

it works fine but i get { "data": { "allCustomers": null } query{ allCustomers(entitySlug:"Stats") { email } }

Zilay Over a year ago

what is your implementation for class CustomerList(DjangoObjectType):?

Eric paul Over a year ago

class CustomerList(DjangoObjectType): class Meta: model = CustomerModel fields = ("city", "email")

Zilay Over a year ago

Why you are using for_entity? have you tested it without for_entity?

Eric paul Over a year ago

def for_entity(self, entity_slug: str, user_model): qs = self.get_queryset() return qs.filter( Q(entity__slug__exact=entity_slug) & Q(active=True) & ( Q(entity__admin=user_model) | Q(entity__managers__in=[user_model]) ) )

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