from marshmallow import fields, Schema, validate


class OrchAdminUsersDataloader(Schema):
    """
    Schema for validating POST /users/orchadmin/dataloader requests.

    Validates a request body containing a list of user IDs. Each user ID must be a string of digits.

    Attributes:
        user_ids (List[str]): A required list of user IDs as digit-only strings.

    Example:
        {
            "user_ids": ["1", "2", "3"]
        }
    """

    user_ids = fields.List(
        fields.String(strict=True, validate=validate.Regexp(r'^\d+$')),
        required=True,
    )