hlsget/src/client/error.rs

use std::{error, fmt};

use super::ClientActorMessageHandle;


#[derive(Debug)]
pub(crate) struct ClientError {
    pub(super) action: ClientActorMessageHandle,
    pub(super) source: Option<anyhow::Error>,
}


impl ClientError {
    pub(super) fn new( action: ClientActorMessageHandle
                     , source: Option<anyhow::Error> ) -> Self {
        let action = action.to_owned();
        Self { action, source }
    }
}

impl error::Error for ClientError {
    fn source(&self) -> Option<&(dyn error::Error + 'static)> {
        match &self.source {
            None => None,
            Some(e) => Some(e.as_ref()),
        }
    }
}

impl fmt::Display for ClientError {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        match &self.source {
            None => write!(f, "download error: {:?}", self.action),
            Some(err) => write!(f, "download error ({:?}): {}", self.action, err),
        }
    }
}