strawberry_django_utils.py

import strawberry

def filter_unset_input(input):
    result = {}
    for key in input.__annotations__.keys():
        value = getattr(input, key)
        if value != strawberry.arguments.UNSET:
            result[key] = value

    return result
  
def make_ordering_enum(name, fields: Sequence[str]):
    # then you order_by(enum._value_)
    ordering_variants = []

    for field_name in fields:
        ordering_variants.append((field_name.upper() + "_ASC", field_name))
        ordering_variants.append((field_name.upper() + "_DESC", "-" + field_name))

    return strawberry.enum(Enum(name, ordering_variants))
  
  
def _parse_money_scalar(raw: Union[dict, str]):
    if isinstance(raw, dict):
        return DjMoney(raw["amount"], raw["currency"])
    if isinstance(raw, str):
        spl = raw.split(" ")
        return DjMoney(Decimal(spl[0]), spl[1])

    return NotImplemented


MoneyScalar = strawberry.scalar(
    DjMoney,
    serialize=lambda money: {"amount": money.amount, "currency": money.currency.code},
    parse_value=_parse_money_scalar,
    description="Money type for Django-money package. "
    "When used as query input can be in two forms: "
    'either `{"amount": 1.5, "currency": "USD"}`'
    'or as a string with space separated amount and currency `"1.5 USD"`.'
    "For responses first variant is used.",
)


from strawberry_django.types import field_type_map
def fix_strawberry_django():
    field_type_map[ImageField] = str
    field_type_map[MoneyField] = MoneyScalar
    field_type_map[CurrencyField] = Currency