Files
n34/src/cli/utils.rs
Awiteb 95a46a798f feat(logs): log to stderr and a file
Signed-off-by: Awiteb <a@4rs.nl>
2025-09-24 10:50:10 +00:00

87 lines
2.6 KiB
Rust

// n34 - A CLI to interact with NIP-34 and other stuff related to codes in nostr
// Copyright (C) 2025 Awiteb <a@4rs.nl>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://gnu.org/licenses/gpl-3.0.html>.
use std::{
fs,
io::{self, Write},
};
use crate::error::{N34Error, N34Result};
/// Displays the given prompt and reads a line of input from the user.
pub fn read_line(prompt: &str) -> io::Result<String> {
{
let mut stdout = io::stdout().lock();
write!(&mut stdout, "{prompt}: ")?;
_ = stdout.flush();
}
let mut user_input = String::new();
io::stdin().read_line(&mut user_input)?;
Ok(user_input.trim().to_owned())
}
/// Prompts the user with a message and repeatedly asks until they enter a valid
/// boolean response. Recognizes "yes", "y", "true" for `true` and "no", "n",
/// "false" for `false`.
pub fn prompt_bool(prompt: &str) -> io::Result<bool> {
loop {
let user_input = read_line(prompt)?.to_ascii_lowercase();
match user_input.as_str() {
"yes" | "y" | "true" => return Ok(true),
"no" | "n" | "false" => return Ok(false),
_ => continue,
}
}
}
/// Opens the logs file for writing. If the file size exceeds 5MB, it is opened
/// in write mode, otherwise in append mode.
pub fn logs_file() -> N34Result<fs::File> {
const FIVE_MB: u64 = 1024 * 1024 * 5;
let logs_path = dirs::data_local_dir()
.ok_or(N34Error::CanNotFindDataPath)?
.join("n34")
.join("logs.log");
tracing::info!(path = %logs_path.display(), "Logs file");
if let Some(parent) = logs_path.parent()
&& !parent.exists()
{
fs::create_dir_all(parent)?;
}
_ = fs::File::create_new(&logs_path);
let is_large = if let Ok(file) = fs::File::open(&logs_path)
&& let Ok(metadata) = file.metadata()
{
metadata.len() >= FIVE_MB
} else {
false
};
fs::OpenOptions::new()
.write(true)
.append(!is_large)
.truncate(is_large)
.open(&logs_path)
.map_err(N34Error::from)
}