Files
ironbar-fork/src/modules/script.rs
2022-08-21 23:36:51 +01:00

78 lines
2.2 KiB
Rust

use crate::modules::{Module, ModuleInfo};
use color_eyre::{eyre::Report, eyre::Result, eyre::WrapErr, Section};
use gtk::prelude::*;
use gtk::Label;
use serde::Deserialize;
use std::process::Command;
use tokio::spawn;
use tokio::time::sleep;
use tracing::{error, instrument};
#[derive(Debug, Deserialize, Clone)]
pub struct ScriptModule {
path: String,
#[serde(default = "default_interval")]
interval: u64,
}
/// 5000ms
const fn default_interval() -> u64 {
5000
}
impl Module<Label> for ScriptModule {
fn into_widget(self, _info: &ModuleInfo) -> Result<Label> {
let label = Label::builder().use_markup(true).build();
let (tx, rx) = glib::MainContext::channel(glib::PRIORITY_DEFAULT);
spawn(async move {
loop {
match self.run_script() {
Ok(stdout) => tx.send(stdout).expect("Failed to send stdout"),
Err(err) => error!("{:?}", err),
}
sleep(tokio::time::Duration::from_millis(self.interval)).await;
}
});
{
let label = label.clone();
rx.attach(None, move |s| {
label.set_label(s.as_str());
Continue(true)
});
}
Ok(label)
}
}
impl ScriptModule {
#[instrument]
fn run_script(&self) -> Result<String> {
let output = Command::new("sh")
.arg("-c")
.arg(&self.path)
.output()
.wrap_err("Failed to get script output")?;
if output.status.success() {
let stdout = String::from_utf8(output.stdout)
.map(|output| output.trim().to_string())
.wrap_err("Script stdout not valid UTF-8")?;
Ok(stdout)
} else {
let stderr = String::from_utf8(output.stderr)
.map(|output| output.trim().to_string())
.wrap_err("Script stderr not valid UTF-8")?;
Err(Report::msg(stderr)
.wrap_err("Script returned non-zero error code")
.suggestion("Check the path to your script")
.suggestion("Check the script for errors"))
}
}
}