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"""Some common utils for requests to the resources endpoints."""
from functools import reduce
from pymonad.either import Left, Right, Either
def check_form(form, *fields) -> Either:
"""Check form for errors"""
def __check_field__(errors, field):
if not bool(form.get(field)):
return errors + (f"Missing `{field}` value.")
return errors
errors = reduce(__check_field__, fields, tuple())
if len(errors) > 0:
return Left({
"error": "Invalid request data!",
"error_description": "\n\t - ".join(errors)
})
return Right(form)
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