feat: add ping command

Cargo.toml

@@ -9,4 +9,6 @@ edition = "2021"
 dotenv = "0.15.0"
 poise = "0.6.1"
 tokio = { version = "1.37.0", features = ["full", "rt-multi-thread"] }
-env_logger = "0.11.3"
+env_logger = "0.11.3"
+anyhow = "1.0.82"
+regex = "1.10.4"

src/commands.rs

@@ -1,3 +1,5 @@
+use std::process::Command;
+use std::str;
 use crate::{Context, Error};
 
 /// Show this help menu
@@ -76,3 +78,33 @@ pub async fn getvotes(
 
     Ok(())
 }
+
+/// Ping a server and return the average time
+///
+/// This command pings Cloudflare's DNS server (1.1.1.1) 10 times and returns the average time.
+/// ```
+/// ~ping
+/// ```
+#[poise::command(prefix_command, slash_command)]
+pub async fn ping(ctx: Context<'_>) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
+    let output = Command::new("ping")
+        .args(&["-c", "10", "1.1.1.1"])
+        .output()
+        .expect("Failed to execute command");
+
+    let output_str = str::from_utf8(&output.stdout).unwrap();
+    let lines: Vec<&str> = output_str.split('\n').collect();
+    let avg_line = lines
+        .iter()
+        .find(|line| line.contains("avg"))
+        .ok_or_else(|| anyhow::anyhow!("Could not find avg in ping output"))?;
+
+    let re = regex::Regex::new(r"(\d+\.\d+)/").unwrap();
+    let cap = re.captures(avg_line).ok_or_else(|| anyhow::anyhow!("Could not find avg in ping output"))?;
+    let avg = &cap[1];
+
+    let response = format!("Pong! 🏓\nThe average of 10 pings to Cloudflare's DNS (1.1.1.1) is\n{} ms", avg);
+    ctx.say(response).await?;
+
+    Ok(())
+}

src/main.rs

@@ -43,7 +43,7 @@ async fn main() {
     // FrameworkOptions contains all of poise's configuration option in one struct
     // Every option can be omitted to use its default value
     let options = poise::FrameworkOptions {
-        commands: vec![commands::help(), commands::vote(), commands::getvotes()],
+        commands: vec![commands::help(), commands::vote(), commands::getvotes(), commands::ping()],
         prefix_options: poise::PrefixFrameworkOptions {
             prefix: Some("~".into()),
             edit_tracker: Some(Arc::new(poise::EditTracker::for_timespan(