from dataclasses import make_dataclass

import pydantic

import strawberry

from strawberry.field import StrawberryField

from .types import FieldError

def create_validation_error_type(prefix: str, type_: StrawberryField):

@classmethod

def from_validation_error(cls, validation_error: pydantic.ValidationError):

errors = validation_error.errors()

payload = {}

for error in errors:

field = error["loc"][0]

message = error["msg"]

error_type = error["type"]

errors = payload.setdefault(field, [])

errors.append(FieldError(message=message, type=error_type))

return cls(errors=type_(**payload))

cls = make_dataclass(f"{prefix}ValidationError", [("errors", type_)])

cls.from_validation_error = from_validation_error

return strawberry.type(cls)