Question: How to access info in building relay.Node and connection

[shaozi]

It is convenient to just add two lines of code to do get by id and get all queries:

class EmployeeQuery(graphene.ObjectType):
    employee = relay.Node.Field(Employee)
    all_employees = SQLAlchemyConnectionField(Employee.connection, sort=Employee.sort_argument())

My question is, how do I enhance/customize the query so I can access the info for authorization purpose?

Currently I have to implement my own resolver, but for all_employees I lost the relay edges:

class EmployeeQuery(graphene.ObjectType):
    employee = graphene.Field(Employee, id=graphene.ID(required=True))
    def resolve_employee(parent, info, **args):
        id = args.get('id')
        print(f"resolve_employee: {id}, =========== user = {info.context.user}")
        return relay.Node.get_node_from_global_id(info, id, only_type=Employee)

    all_employees = graphene.List(Employee)
    def resolve_all_employees(parent, info, **args):
        print(f"resolve_all_employee: =========== user = {info.context.user}")
        return Employee.get_query(info).all() 

Is there a better more "graphene SQLAlchemy" way?

[chrisberks]

Use SQLAlchemyConnectionField and have your resolver return None.

class EmployeeQuery(graphene.ObjectType):
    all_employees = SQLAlchemyConnectionField(
        Employee.connection, sort=Employee.sort_argument()
    )

    def resolve_all_employees(parent, info, **args):
        print(f"resolve_all_employee: =========== user = {info.context.user}")
        return None

return None, return and omitting the return statement are equivalent.

[shaozi]

awesome! Thank you, it worked like a charm! Where is this documented?

[erikwrede]

I believe this is currently undocumented. Closing this, as documentation is another issue, the original problem seems to be solved. If you have further questions, feel free to open another issue!

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