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use std::{ffi::OsString, path::PathBuf, process::Command, time::Duration};
use crate::{parser::Parser, project::Project};
use self::error::Error;
pub mod error;
#[derive(Debug)]
pub struct Tmux;
impl Tmux {
pub fn sessions() -> Result<Vec<PathBuf>, Error> {
let stdout = Command::new("tmux")
.arg("list-sessions")
.arg("-F")
.arg("#{session_path}")
.output()?
.stdout;
Ok(std::str::from_utf8(&stdout)?
.lines()
.map(Into::into)
.collect())
}
pub fn get_session(&self, path_buf: PathBuf) -> Result<Project, Error> {
let mut filter = OsString::from("#{==:#{session_path},");
filter.push(path_buf.as_os_str());
filter.push("}");
// tmux list-sessions -f '#{==:#{session_path},/home/tobyv/src/projectr}'
let stdout = Command::new("tmux")
.arg("list-sessions")
.arg("-F")
.arg("#{session_path},#{session_last_attached},#{session_created}")
.arg("-f")
.arg(filter)
.output()?
.stdout;
std::str::from_utf8(&stdout)?
.lines()
.map(Self::parse_project)
.inspect(|res| {
if let Err(err) = res {
tracing::warn!(%err, "Skipping invalid format")
}
})
.flatten()
.max()
.ok_or(Error::NotFound)
}
fn parse_project<T: AsRef<str>>(fmt_str: T) -> Result<Project, Error> {
let mut split = fmt_str.as_ref().split(',');
let path_buf = split
.next()
.ok_or(Error::PathFormat(fmt_str.as_ref().to_string()))?
.into();
let timestamp = split
.next()
.ok_or(Error::TimestampFormat(fmt_str.as_ref().to_string()))?
.parse()
.map(Duration::from_secs)?;
Ok(Project {
timestamp,
path_buf,
})
}
}
impl Parser for Tmux {
type Error = Error;
fn parse(&self, path_buf: PathBuf) -> Result<Project, Self::Error> {
self.get_session(path_buf)
}
}
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