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import typing as t
from pydantic import BaseModel, Field, validator
from backend.constants import FormFeatures
from backend.models import Question
class Form(BaseModel):
"""Schema model for form."""
id: str = Field(alias="_id")
features: t.List[str]
questions: t.List[Question]
@validator("features")
def validate_features(self, value: t.List[str]) -> t.Optional[t.List[str]]:
"""Validates is all features in allowed list."""
# Uppercase everything to avoid mixed case in DB
value = [v.upper() for v in value]
if not all(v in FormFeatures.__members__.values() for v in value):
raise ValueError("Form features list contains one or more invalid values.")
if (
FormFeatures.COLLECT_EMAIL in value and
FormFeatures.REQUIRES_LOGIN not in value
):
raise ValueError("COLLECT_EMAIL feature require REQUIRES_LOGIN feature.")
return value
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