cli.rs
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cli.rs
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	use colored::Colorize;
	use global_placeholders::global;
	use macros_rs::{crashln, string, ternary};
	use psutil::process::{MemoryInfo, Process};
	use serde::Serialize;
	use serde_json::json;
	use std::env;

	use pmc::{
	config,
	file::{self, Exists},
	helpers::{self, ColoredString},
	log,
	process::Runner,
	};

	use tabled::{
	settings::{
	object::{Columns, Rows},
	style::{BorderColor, Style},
	themes::Colorization,
	Color, Modify, Rotate, Width,
	},
	Table, Tabled,
	};

	#[derive(Clone, Debug)]
	pub enum Args {
	Id(usize),
	Script(String),
	}

	pub fn get_version(short: bool) -> String {
	return match short {
	true => format!("{} {}", env!("CARGO_PKG_NAME"), env!("CARGO_PKG_VERSION")),
	false => format!("{} ({} {}) [{}]", env!("CARGO_PKG_VERSION"), env!("GIT_HASH"), env!("BUILD_DATE"), env!("PROFILE")),
	};
	}

	pub fn start(name: &Option<String>, args: &Option<Args>, watch: &Option<String>) {
	let mut runner = Runner::new();
	let config = config::read();

	match args {
	Some(Args::Id(id)) => {
	println!("{} Applying action restartProcess on ({id})", *helpers::SUCCESS);
	let item = runner.get(*id);

	match watch {
	Some(path) => item.watch(path),
	None => item.disable_watch(),
	}

	name.as_ref().map(\|n\| item.rename(n.trim().replace("\n", "")));
	item.restart();

	println!("{} restarted ({id}) ✓", *helpers::SUCCESS);
	log!("process started (id={id})");
	list(&string!("default"));
	}
	Some(Args::Script(script)) => {
	let name = match name {
	Some(name) => string!(name),
	None => string!(script.split_whitespace().next().unwrap_or_default()),
	};

	println!("{} Creating process with ({name})", *helpers::SUCCESS);
	if name.ends_with(".ts") \|\| name.ends_with(".js") {
	let script = format!("{} {script}", config.runner.node);
	runner.start(&name, &script, watch).save();
	} else {
	runner.start(&name, script, watch).save();
	}

	println!("{} created ({name}) ✓", *helpers::SUCCESS);
	log!("process created (name={name})");
	list(&string!("default"));
	}
	None => {}
	}
	}

	pub fn stop(id: &usize) {
	println!("{} Applying action stopProcess on ({id})", *helpers::SUCCESS);
	let mut runner = Runner::new();
	runner.get(*id).stop();

	println!("{} stopped ({id}) ✓", *helpers::SUCCESS);
	log!("process stopped (id={id})");
	list(&string!("default"));
	}

	pub fn remove(id: &usize) {
	println!("{} Applying action removeProcess on ({id})", *helpers::SUCCESS);
	Runner::new().remove(*id);

	println!("{} removed ({id}) ✓", *helpers::SUCCESS);
	log!("process removed (id={id})");
	}

	pub fn info(id: &usize, format: &String) {
	#[derive(Clone, Debug, Tabled)]
	struct Info {
	#[tabled(rename = "error log path ")]
	log_error: String,
	#[tabled(rename = "out log path")]
	log_out: String,
	#[tabled(rename = "cpu percent")]
	cpu_percent: String,
	#[tabled(rename = "memory usage")]
	memory_usage: String,
	#[tabled(rename = "path hash")]
	hash: String,
	#[tabled(rename = "watching")]
	watch: String,
	#[tabled(rename = "exec cwd")]
	path: String,
	#[tabled(rename = "script command ")]
	command: String,
	#[tabled(rename = "script id")]
	id: String,
	restarts: u64,
	uptime: String,
	pid: String,
	name: String,
	status: ColoredString,
	}

	impl Serialize for Info {
	fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
	let trimmed_json = json!({
	"id": &self.id.trim(),
	"pid": &self.pid.trim(),
	"name": &self.name.trim(),
	"path": &self.path.trim(),
	"restarts": &self.restarts,
	"watch": &self.watch.trim(),
	"watch": &self.hash.trim(),
	"uptime": &self.uptime.trim(),
	"status": &self.status.0.trim(),
	"log_out": &self.log_out.trim(),
	"cpu": &self.cpu_percent.trim(),
	"command": &self.command.trim(),
	"mem": &self.memory_usage.trim(),
	"log_error": &self.log_error.trim(),
	});

	trimmed_json.serialize(serializer)
	}
	}

	if let Some(home) = home::home_dir() {
	let config = config::read().runner;
	let item = Runner::new().get(*id).clone();
	let mut memory_usage: Option<MemoryInfo> = None;
	let mut cpu_percent: Option<f32> = None;

	if let Ok(mut process) = Process::new(item.pid as u32) {
	memory_usage = process.memory_info().ok();
	cpu_percent = process.cpu_percent().ok();
	}

	let cpu_percent =
	match cpu_percent {
	Some(percent) => format!("{:.2}%", percent),
	None => string!("0%"),
	};

	let memory_usage = match memory_usage {
	Some(usage) => helpers::format_memory(usage.rss()),
	None => string!("0b"),
	};

	let status =
	if item.running {
	"online ".green().bold()
	} else {
	match item.crash.crashed {
	true => "crashed ",
	false => "stopped ",
	}
	.red()
	.bold()
	};

	let path = file::make_relative(&item.path, &home)
	.map(\|relative_path\| relative_path.to_string_lossy().into_owned())
	.unwrap_or_else(\|\| crashln!("{} Unable to get your current directory", *helpers::FAIL));

	let data = vec![Info {
	cpu_percent,
	memory_usage,
	id: string!(id),
	restarts: item.restarts,
	name: item.name.clone(),
	path: format!("{} ", path),
	status: ColoredString(status),
	log_out: global!("pmc.logs.out", item.name.as_str()),
	log_error: global!("pmc.logs.error", item.name.as_str()),
	pid: ternary!(item.running, format!("{}", item.pid), string!("n/a")),
	command: format!("{} {} '{}'", config.shell, config.args.join(" "), item.script),
	hash: ternary!(item.watch.enabled, format!("{} ", item.watch.hash), string!("none ")),
	watch: ternary!(item.watch.enabled, format!("{path}/{} ", item.watch.path), string!("disabled ")),
	uptime: ternary!(item.running, format!("{}", helpers::format_duration(item.started)), string!("none")),
	}];

	let table = Table::new(data.clone())
	.with(Rotate::Left)
	.with(Style::rounded().remove_horizontals())
	.with(Colorization::exact([Color::FG_CYAN], Columns::first()))
	.with(BorderColor::filled(Color::FG_BRIGHT_BLACK))
	.to_string();

	if let Ok(json) = serde_json::to_string(&data[0]) {
	match format.as_str() {
	"raw" => println!("{:?}", data[0]),
	"json" => println!("{json}"),
	_ => {
	println!("{}\n{table}\n", format!("Describing process with id ({id})").on_bright_white().black());
	println!(" {}", format!("Use `pmc logs {id} [--lines <num>]` to display logs").white());
	println!(" {}", format!("Use `pmc env {id}` to display environment variables").white());
	}
	};
	};
	} else {
	crashln!("{} Impossible to get your home directory", *helpers::FAIL);
	}
	}

	pub fn logs(id: &usize, lines: &usize) {
	let item = Runner::new().get(*id).clone();
	let log_error = global!("pmc.logs.error", item.name.as_str());
	let log_out = global!("pmc.logs.out", item.name.as_str());

	if Exists::file(log_error.clone()).unwrap() && Exists::file(log_out.clone()).unwrap() {
	println!("{}", format!("Showing last {lines} lines for process [{id}] (change the value with --lines option)").yellow());

	file::logs(lines, &log_error, id, "error", &item.name);
	file::logs(lines, &log_out, id, "out", &item.name);
	} else {
	crashln!("{} Logs for process ({id}) not found", *helpers::FAIL);
	}
	}

	pub fn env(id: &usize) {
	let item = Runner::new().get(*id).clone();
	for (key, value) in item.env.iter() {
	println!("{}: {}", key, value.green());
	}
	}

	pub fn list(format: &String) {
	let mut runner = Runner::new();
	let mut processes: Vec<ProcessItem> = Vec::new();

	#[derive(Tabled, Debug)]
	struct ProcessItem {
	id: ColoredString,
	name: String,
	pid: String,
	uptime: String,
	#[tabled(rename = "↺")]
	restarts: String,
	status: ColoredString,
	cpu: String,
	mem: String,
	#[tabled(rename = "watching")]
	watch: String,
	}

	impl serde::Serialize for ProcessItem {
	fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
	let trimmed_json = json!({
	"cpu": &self.cpu.trim(),
	"mem": &self.mem.trim(),
	"id": &self.id.0.trim(),
	"pid": &self.pid.trim(),
	"name": &self.name.trim(),
	"watch": &self.watch.trim(),
	"uptime": &self.uptime.trim(),
	"status": &self.status.0.trim(),
	"restarts": &self.restarts.trim(),
	});
	trimmed_json.serialize(serializer)
	}
	}

	if runner.is_empty() {
	println!("{} Process table empty", *helpers::SUCCESS);
	} else {
	for (id, item) in runner.items() {
	let mut memory_usage: Option<MemoryInfo> = None;
	let mut cpu_percent: Option<f32> = None;

	if let Ok(mut process) = Process::new(item.pid as u32) {
	memory_usage = process.memory_info().ok();
	cpu_percent = process.cpu_percent().ok();
	}

	let cpu_percent = match cpu_percent {
	Some(percent) => format!("{:.0}%", percent),
	None => string!("0%"),
	};

	let memory_usage = match memory_usage {
	Some(usage) => helpers::format_memory(usage.rss()),
	None => string!("0b"),
	};

	let status = if item.running {
	"online ".green().bold()
	} else {
	match item.crash.crashed {
	true => "crashed ",
	false => "stopped ",
	}
	.red()
	.bold()
	};

	processes.push(ProcessItem {
	status: ColoredString(status),
	cpu: format!("{cpu_percent} "),
	mem: format!("{memory_usage} "),
	restarts: format!("{} ", item.restarts),
	name: format!("{} ", item.name.clone()),
	id: ColoredString(id.to_string().cyan().bold()),
	pid: ternary!(item.running, format!("{} ", item.pid), string!("n/a ")),
	watch: ternary!(item.watch.enabled, format!("{} ", item.watch.path), string!("disabled ")),
	uptime: ternary!(item.running, format!("{} ", helpers::format_duration(item.started)), string!("none ")),
	});
	}

	let table = Table::new(&processes)
	.with(Style::rounded().remove_verticals())
	.with(BorderColor::filled(Color::FG_BRIGHT_BLACK))
	.with(Colorization::exact([Color::FG_BRIGHT_CYAN], Rows::first()))
	.with(Modify::new(Columns::single(1)).with(Width::truncate(35).suffix("... ")))
	.to_string();

	if let Ok(json) = serde_json::to_string(&processes) {
	match format.as_str() {
	"raw" => println!("{:?}", processes),
	"json" => println!("{json}"),
	"default" => println!("{table}"),
	_ => {}
	};
	};
	}
	}

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