def add_subdomain()

in privaterelay/models.py [0:0]

• 16 lines of code
• 7 McCabe index (conditional complexity)

    def add_subdomain(self, subdomain):
        # Handles if the subdomain is "" or None
        if not subdomain:
            raise CannotMakeSubdomainException(
                "error-subdomain-cannot-be-empty-or-null"
            )

        # subdomain must be all lowercase
        subdomain = subdomain.lower()

        if not self.has_premium:
            raise CannotMakeSubdomainException("error-premium-set-subdomain")
        if self.subdomain is not None:
            raise CannotMakeSubdomainException("error-premium-cannot-change-subdomain")
        self.subdomain = subdomain
        # The validator defined in the subdomain field does not get run in full_clean()
        # when self.subdomain is "" or None, so we need to run the validator again to
        # catch these cases.
        valid_available_subdomain(subdomain)
        self.full_clean()
        self.save()

        RegisteredSubdomain.objects.create(subdomain_hash=hash_subdomain(subdomain))
        return subdomain