use actix_multipart::Field;
use futures::StreamExt;

pub fn get_field_name(field: &Field) -> Result<String, actix_web::error::ParseError> {
    field
        .content_disposition()
        .ok_or_else(|| actix_web::error::ParseError::Incomplete)?
        .get_name()
        .map(|s| s.to_owned())
        .ok_or_else(|| actix_web::error::ParseError::Incomplete)
}

pub async fn read_string(
    mut field: actix_multipart::Field,
) -> Result<String, std::string::FromUtf8Error> {
    let mut data = Vec::new();
    while let Some(chunk) = field.next().await {
        data.extend(chunk.unwrap());
    }
    String::from_utf8(data)
}