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file.rs
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file.rs
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use crate::{helpers, log, process::Process};
use colored::Colorize;
use macros_rs::{crashln, string, ternary};
use std::{
env,
fs::{self, File},
io::{BufRead, BufReader},
path::{Path, PathBuf},
thread::sleep,
time::Duration,
};
pub fn logs(item: &Process, lines_to_tail: usize, kind: &str) {
let log_file = match kind {
"out" => item.logs().out,
"error" => item.logs().error,
_ => item.logs().out,
};
if !Exists::check(&log_file).empty() {
let file = File::open(&log_file).unwrap();
let reader = BufReader::new(file);
let lines = reader.lines().map(|line| line.unwrap_or_else(|err| format!("error reading line: {err}"))).collect();
logs_internal(lines, lines_to_tail, &log_file, item.id, kind, &item.name)
} else {
println!("{} No logs found in {log_file}", *helpers::FAIL)
}
}
pub fn logs_internal(lines: Vec<String>, lines_to_tail: usize, log_file: &str, id: usize, log_type: &str, item_name: &str) {
println!("{}", format!("\n{log_file} last {lines_to_tail} lines:").bright_black());
let color = ternary!(log_type == "out", "green", "red");
let start_index = if lines.len() > lines_to_tail { lines.len() - lines_to_tail } else { 0 };
for (_, line) in lines.iter().skip(start_index).enumerate() {
println!("{} {}", format!("{}|{} |", id, item_name).color(color), line);
}
}
pub fn cwd() -> PathBuf {
match env::current_dir() {
Ok(path) => path,
Err(_) => crashln!("{} Unable to find current working directory", *helpers::FAIL),
}
}
pub fn make_relative(current: &Path, home: &Path) -> PathBuf {
match current.strip_prefix(home) {
Err(_) => Path::new(home).join(current),
Ok(relative_path) => Path::new("~").join(relative_path),
}
}
pub struct Exists<'p> {
path: &'p str,
}
impl<'p> Exists<'p> {
pub fn check(path: &'p str) -> Self { Self { path } }
pub fn folder(&self) -> bool { Path::new(self.path).is_dir() }
pub fn file(&self) -> bool { Path::new(self.path).exists() }
pub fn empty(&self) -> bool { fs::metadata(Path::new(self.path)).map(|m| m.len() == 0).unwrap_or(true) }
}
pub fn raw(path: String) -> Vec<u8> {
match fs::read(&path) {
Ok(contents) => contents,
Err(err) => crashln!("{} Cannot find dumpfile.\n{}", *helpers::FAIL, string!(err).white()),
}
}
pub fn read<T: serde::de::DeserializeOwned>(path: String) -> T {
let contents = match fs::read_to_string(&path) {
Ok(contents) => contents,
Err(err) => crashln!("{} Cannot find dumpfile.\n{}", *helpers::FAIL, string!(err).white()),
};
match toml::from_str(&contents).map_err(|err| string!(err)) {
Ok(parsed) => parsed,
Err(err) => crashln!("{} Cannot parse dumpfile.\n{}", *helpers::FAIL, err.white()),
}
}
pub fn from_object<T: serde::de::DeserializeOwned>(bytes: &[u8]) -> T {
match ron::de::from_bytes(&bytes) {
Ok(parsed) => parsed,
Err(err) => crashln!("{} Cannot parse file.\n{}", *helpers::FAIL, string!(err).white()),
}
}
pub fn read_object<T: serde::de::DeserializeOwned>(path: String) -> T {
let mut retry_count = 0;
let max_retries = 5;
let bytes = loop {
match fs::read(&path) {
Ok(contents) => break contents,
Err(err) => {
retry_count += 1;
if retry_count >= max_retries {
log!("file::read] Cannot find file: {err}");
println!("{} Cannot find file.\n{}", *helpers::FAIL, string!(err).white());
} else {
log!("file::read] Error reading file. Retrying... (Attempt {retry_count}/{max_retries})");
println!("{} Error reading file. Retrying... (Attempt {retry_count}/{max_retries})", *helpers::FAIL);
}
}
}
sleep(Duration::from_secs(1));
};
retry_count = 0;
loop {
match ron::de::from_bytes(&bytes) {
Ok(parsed) => break parsed,
Err(err) => {
retry_count += 1;
if retry_count >= max_retries {
log!("[file::parse] Cannot parse file: {err}");
println!("{} Cannot parse file.\n{}", *helpers::FAIL, string!(err).white());
} else {
log!("[file::parse] Error parsing file. Retrying... (Attempt {retry_count}/{max_retries})");
println!("{} Error parsing file. Retrying... (Attempt {retry_count}/{max_retries})", *helpers::FAIL);
}
}
}
sleep(Duration::from_secs(1));
}
}

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