feat: impl history file and sorting

1 files changed, 50 insertions, 0 deletions

diff --git a/src/tmux.rs b/src/tmux.rs
new file mode 100644
index 0000000..c6e83b1
--- /dev/null
+++ b/src/tmux.rs
@@ -0,0 +1,50 @@
+use std::process::Command;
+
+use crate::{Session, SessionSource};
+
+pub use error::Error;
+
+mod error;
+
+#[derive(Debug)]
+pub struct Tmux {
+    socket_name: String,
+}
+
+impl Tmux {
+    const SESSION_FORMAT: &str = r##"Session( name: "#S", timestamp: Some(#{?session_last_attached,#{session_last_attached},#{session_created}}))"##;
+
+    pub fn new(socket_name: String) -> Self {
+        Self { socket_name }
+    }
+}
+
+impl SessionSource for Tmux {
+    type Error = Error;
+
+    type Iter = Vec<Session>;
+
+    fn sessions(&self) -> Result<Self::Iter, Self::Error> {
+        let output = Command::new("tmux")
+            .arg("-L")
+            .arg(&self.socket_name)
+            .arg("list-sessions")
+            .arg("-F")
+            .arg(Self::SESSION_FORMAT)
+            .output()?
+            .stdout;
+
+        let sessions = std::str::from_utf8(&output)?
+            .lines()
+            .filter_map(|s| match ron::from_str(s) {
+                Ok(session) => Some(session),
+                Err(err) => {
+                    tracing::warn!(?err, "Invalid session format");
+                    None
+                }
+            })
+            .collect();
+
+        Ok(sessions)
+    }
+}