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use std::{
fs::File,
io::{BufRead, BufReader},
path::PathBuf,
};
use directories::ProjectDirs;
use crate::Session;
use super::SessionSource;
#[derive(Debug)]
pub struct History(PathBuf);
impl History {
pub fn new(history_file: PathBuf) -> Self {
Self(history_file)
}
pub fn default_path() -> Option<PathBuf> {
ProjectDirs::from("", "", env!("CARGO_CRATE_NAME"))?
.state_dir()?
.join("history")
.into()
}
}
impl SessionSource for History {
type Error = std::io::Error;
type Iter = Vec<Session>;
fn sessions(&self) -> Result<Self::Iter, Self::Error> {
let mut sessions = Vec::new();
let file = File::open(&self.0)?;
for res in BufReader::new(file).lines() {
let entry = match res {
Ok(entry) => entry,
Err(err) => {
tracing::warn!(?err, "Failed to read line from history file");
continue;
}
};
match ron::from_str(&entry) {
Ok(session) => sessions.push(session),
Err(err) => tracing::warn!(?err, "Invalid history entry"),
}
}
Ok(sessions)
}
}
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