feat: add current-time-rs

current-time-rs/src/main.rs

@@ -0,0 +1,69 @@
+#!/usr/bin/env runrs
+
+//! ```cargo
+//! [dependencies]
+//! clap = { version = "4.5.23", features = ["derive"] }
+//! ```
+
+use clap::Parser;
+use std::time::SystemTime;
+
+/// Simple program to greet a person
+#[derive(Parser, Debug)]
+#[command(version, about, long_about = None)]
+struct Args {
+    /// New line
+    #[arg(long)]
+    new_line: bool,
+    /// Add time (e.g. 1s (second), 1m (minute), 1h (hour), 1d (day), 1M (month), 1y (year) )
+    #[arg(short, long)]
+    add_time: Option<String>,
+}
+
+fn main() {
+    let args = Args::parse();
+
+    let current_time_millis = SystemTime::now()
+        .duration_since(SystemTime::UNIX_EPOCH)
+        .unwrap()
+        .as_millis();
+    let add_time_millis = parse_add_time(&args.add_time);
+    let final_time_millis = current_time_millis as i128 + add_time_millis;
+
+    if args.new_line {
+        println!("{}", final_time_millis);
+    } else {
+        print!("{}", final_time_millis);
+    }
+}
+
+fn parse_add_time(add_time: &Option<String>) -> i128 {
+    let add_time = match add_time {
+        None => return 0,
+        Some(add_time) if add_time.len() < 2 => return 0,
+        Some(add_time) => add_time,
+    };
+
+    let add_time_chars = add_time.chars().collect::<Vec<_>>();
+    let add_time_number = add_time_chars[0..add_time_chars.len() - 1]
+        .iter()
+        .collect::<String>();
+    let last_char = add_time_chars[add_time_chars.len() - 1];
+
+    let number: i128 = match add_time_number.parse() {
+        Err(_e) => return 0,
+        Ok(number) => number,
+    };
+
+    let add_time_millis = match last_char {
+        's' => number * 1000,
+        'm' => number * 1000 * 60,
+        'h' => number * 1000 * 60 * 60,
+        'd' => number * 1000 * 60 * 60 * 20,
+        'M' => number * 1000 * 60 * 60 * 20 * 30,
+        'y' => number * 1000 * 60 * 60 * 20 * 365,
+        _ => return 0,
+    };
+
+    add_time_millis
+}