Strawberry GraphQL @ 0.255.0

import strawberry
from strawberry import relay
from strawberry.permission import BasePermission
 
 
class IsAuthenticated(BasePermission):
    message = "User is not authenticated"
 
    # This method can also be async!
    def has_permission(
        self, source: typing.Any, info: strawberry.Info, **kwargs
    ) -> bool:
        return False
 
 
@strawberry.type
class Fruit(relay.Node):
    code: relay.NodeID[int]
    name: str
    weight: float
 
    @classmethod
    def resolve_nodes(
        cls,
        *,
        info: strawberry.Info,
        node_ids: Iterable[str],
    ):
        return []
 
 
@strawberry.type
class Query:
    node: relay.Node = relay.node()
 
    @relay.connection(
        relay.ListConnection[Fruit] | None, permission_classes=[IsAuthenticated()]
    )
    def fruits(self) -> Iterable[Fruit]:
        # This can be a database query, a generator, an async generator, etc
        return all_fruits.values()