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use crate::app::Task;
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use crate::app::{ExternalMsg, MsgIn};
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use anyhow::Result;
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use std::path::PathBuf;
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use std::sync::mpsc::{Receiver, Sender};
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use std::thread;
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use std::time::Duration;
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pub fn keep_watching(
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pwd: &str,
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tx_msg_in: Sender<Task>,
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rx_pwd_watcher: Receiver<String>,
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) -> Result<()> {
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let mut pwd = PathBuf::from(pwd);
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let mut last_modified = pwd.metadata().and_then(|m| m.modified())?;
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thread::spawn(move || loop {
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if let Ok(new_pwd) = rx_pwd_watcher.try_recv() {
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pwd = PathBuf::from(new_pwd);
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} else {
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pwd.metadata()
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.and_then(|m| m.modified())
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.map(|modified| {
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if modified != last_modified {
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let msg = MsgIn::External(ExternalMsg::ExplorePwdAsync);
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tx_msg_in.send(Task::new(msg, None)).unwrap_or_default();
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last_modified = modified;
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} else {
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thread::sleep(Duration::from_secs(1));
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};
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})
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.unwrap_or_else(|e| {
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let msg = MsgIn::External(ExternalMsg::LogError(e.to_string()));
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tx_msg_in.send(Task::new(msg, None)).unwrap_or_default();
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thread::sleep(Duration::from_secs(1));
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})
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}
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});
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Ok(())
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}
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