use std::io;
use std::path::Path;
use thiserror::Error;
use crate::logs::asynchronous::LogFileReaderError;
use crate::logs::content::LogEvent;
use super::RawLiveLogFileReader;
#[derive(Debug)]
pub struct LiveLogFileReader {
inner: RawLiveLogFileReader,
}
#[derive(Debug, Error)]
pub enum LiveLogFileReaderError {
#[error(transparent)]
IO(#[from] io::Error),
#[error(transparent)]
NotifyError(#[from] notify::Error),
#[error(transparent)]
LogFileReaderError(#[from] LogFileReaderError),
}
impl LiveLogFileReader {
pub async fn open<P: AsRef<Path>>(path: P) -> Result<Self, LiveLogFileReaderError> {
Ok(LiveLogFileReader {
inner: RawLiveLogFileReader::open(path).await?,
})
}
pub async fn next(&mut self) -> Option<Result<LogEvent, LogFileReaderError>> {
let result = match self.inner.next().await? {
Ok(x) => x,
Err(e) => return Some(Err(e)),
};
Some(serde_json::from_value(result).map_err(|e| e.into()))
}
}