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use std::env;
use std::fs;
use std::process;
use chrono::prelude::*;
use crate::error;
use crate::user;
fn create_tmp_file<'a>() -> Result<String, std::io::Error> {
let the_time = Utc::now().to_rfc3339();
let file_name = format!("/tmp/clinte_ed_{}_{}", *user::NAME, the_time);
match fs::write(&file_name, "") {
Ok(_) => Ok(file_name),
Err(err) => Err(err),
}
}
pub fn call(body: &str) -> String {
// If they don't have $EDITOR set, just default to nano
// instead of assuming vim or emacs.
let editor = match env::var("EDITOR") {
Ok(ed) => {
if &ed == "" {
"nano".into()
} else {
ed
}
}
Err(_) => {
log::warn!("Couldn't get value of $EDITOR, defaulting to nano");
"nano".into()
}
};
let tmp_loc = error::helper(create_tmp_file(), "Couldn't create tempfile");
error::helper(
fs::write(&tmp_loc, body),
"Couldn't populate tempfile with message",
);
error::helper(
process::Command::new(editor)
.arg(&tmp_loc)
.stdin(process::Stdio::inherit())
.stdout(process::Stdio::inherit())
.output(),
"Couldn't call editor",
);
let body = error::helper(
fs::read_to_string(&tmp_loc),
"Couldn't read message from disk",
);
error::helper(fs::remove_file(tmp_loc), "Couldn't remove temporary file");
body
}
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