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import typing as t
import httpx
from pydantic import BaseModel, Field, validator
from backend.constants import FormFeatures
from .question import Question
PUBLIC_FIELDS = ["id", "features", "questions", "name", "description"]
class _WebHook(BaseModel):
"""Schema model of discord webhooks."""
url: str
message: t.Optional[str]
@validator("url")
def validate_url(cls, url: str) -> str:
"""Checks if discord webhook urls are valid."""
if not isinstance(url, str):
raise ValueError("Webhook URL must be a string.")
if "discord.com/api/webhooks/" not in url:
raise ValueError("URL must be a discord webhook.")
# Attempt to connect to URL
try:
httpx.get(url).raise_for_status()
except httpx.RequestError as e:
# Catch exceptions in request format
raise ValueError(
f"Encountered error while trying to connect to url: `{e}`"
)
except httpx.HTTPStatusError as e:
# Catch exceptions in response
status = e.response.status_code
if status == 401:
raise ValueError(
"Could not authenticate with target. Please check the webhook url."
)
elif status == 404:
raise ValueError(
"Target could not find webhook url. Please check the webhook url."
)
else:
raise ValueError(
f"Unknown error ({status}) while connecting to target: {e}"
)
return url
class _FormMeta(BaseModel):
"""Schema model for form meta data."""
webhook: _WebHook = None
class Form(BaseModel):
"""Schema model for form."""
id: str = Field(alias="_id")
features: list[str]
questions: list[Question]
name: str
description: str
meta: _FormMeta
class Config:
allow_population_by_field_name = True
@validator("features")
def validate_features(cls, value: list[str]) -> t.Optional[list[str]]:
"""Validates is all features in allowed list."""
# Uppercase everything to avoid mixed case in DB
value = [v.upper() for v in value]
allowed_values = [v.value for v in FormFeatures.__members__.values()]
if any(v not in allowed_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: # noqa
raise ValueError("COLLECT_EMAIL feature require REQUIRES_LOGIN feature.")
return value
def dict(self, admin: bool = True, **kwargs: t.Any) -> dict[str, t.Any]:
"""Wrapper for original function to exclude private data for public access."""
data = super().dict(**kwargs)
returned_data = {}
if not admin:
for field in PUBLIC_FIELDS:
if field == "id" and kwargs.get("by_alias"):
fetch_field = "_id"
else:
fetch_field = field
returned_data[field] = data[fetch_field]
else:
returned_data = data
return returned_data
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