add tracing

src/command.rs

@@ -3,6 +3,7 @@ use std::{collections::HashMap, fmt::Display, sync::Arc};
 use crate::Context;
 use anyhow::Error;
 use poise::serenity_prelude::{Cache, CacheHttp, ChannelId, ChannelType, GetMessages, GuildChannel, Http, Message};
+use tracing::error;
 
 struct Server {
     channels: Vec<Channel>,
@@ -149,18 +150,18 @@ impl Server {
                         // store messages in our server object
                         channel.messages = mesgs;
                         if channel.messages.is_empty() {
-                            eprintln!("{} was empty - (Or incorrect permissions)", channel.this.name);
+                            error!("{} was empty - (Or incorrect permissions)", channel.this.name);
                         }
                     },
                     Err(e) => {
-                        eprintln!("{}", e);
+                        error!("{}", e);
                     },
                 }
                 // Clone *should* be cheap - it's Arc under the hood
                 Box::pin(walk_channels(&mut channel.children, cache.clone(), settings)).await;
             }
         }
-   }
+    }
 
     /// Walk thru all the channels and count the saved messages. Will only give relevant data if
     /// done after `scrape_all()`.
@@ -195,8 +196,8 @@ async fn index(map: HashMap<ChannelId, GuildChannel>) -> Server {
     map.into_iter().for_each(|(_id, current)| {
         // println!("{} {} {:?}", current.name, current.id, current.parent_id);
         server.add(current);
-        // TODO take note of position
-        // Take node of vc user limit
+        // TODO Take note of position
+        // TODO Take node of vc user limit
     });
     server.clean();
     server

src/main.rs

@@ -1,5 +1,7 @@
 use once_cell::sync::Lazy;
 use poise::serenity_prelude::{self as serenity, GatewayIntents};
+use tracing::{debug, error, info, warn, Level};
+use tracing_subscriber::EnvFilter;
 mod command;
 
 pub struct Data {} // User data, which is stored and accessible in all command invocations
@@ -12,16 +14,31 @@ static ENV: Lazy<BotEnv> = Lazy::new(|| {
 #[tokio::main]
 async fn main() {
 
+    // Start the tracing subscriber
+    let filter = EnvFilter::builder()
+            .parse("room_clocks=trace,poem=debug,tokio=warn")
+            .expect("Could not create env filter.")
+            ;
+
+    tracing_subscriber::fmt::fmt()
+        .with_max_level(Level::TRACE)
+        .with_target(true)
+        .with_env_filter(filter)
+        .with_thread_ids(false)
+        .with_file(false)
+        .without_time()
+        .init();
+
     // Generate sick text like this: 
     // http://www.patorjk.com/software/taag/#p=testall&f=Graffiti&t=hello%20world
-    println!(r#"
+    info!(r#"
     Invite this bot with:
     "#);
-    println!("https://discord.com/api/oauth2/authorize?client_id={}&permissions={}&scope=bot",
+    info!("https://discord.com/api/oauth2/authorize?client_id={}&permissions={}&scope=bot",
         ENV.id,
         ENV.intents.bits(),
     );
-    print!("\n");
+    info!("\n");
 
     // Setup framework
     let framework = poise::Framework::builder()
@@ -65,9 +82,7 @@ fn read_env() -> BotEnv {
     // ==================== ID ===========================
     let id: String = std::env::var(DISCORD_ID)
         .unwrap_or_else(|_| {
-            println!(r#"
-WARN: Missing {DISCORD_ID}
-> This isn't really that problematic, just that the generated invite link won't work."#);
+            warn!("Missing {DISCORD_ID} This isn't really that problematic, just that the generated invite link won't work.");
             String::from("")
         });
     // ==================== Token ========================
@@ -76,8 +91,8 @@ WARN: Missing {DISCORD_ID}
     // ==================== Intents ======================
     let intents_env: String = std::env::var(DISCORD_INTENTS)
         .unwrap_or_else(|msg| {
-            println!("DEBUG: what is: {msg}");
-            println!("ERROR: Missing {DISCORD_INTENTS}");
+            debug!("What is: {msg}");
+            error!("Missing {DISCORD_INTENTS}");
             "0".to_string()
         });
     // ==================== Parse Intents =================
@@ -85,7 +100,7 @@ WARN: Missing {DISCORD_ID}
     let intents_u64 = intents_env.parse::<u64>().unwrap_or(0u64);
     let intents_truncated: GatewayIntents = GatewayIntents::from_bits_truncate(intents_u64);
     if intents_truncated.bits() != intents_u64 {
-        println!("WARN: Intents integer got truncated from {} to {}!", intents_u64, intents_truncated.bits())
+        warn!("Intents integer got truncated from {} to {}!", intents_u64, intents_truncated.bits())
     };
     BotEnv {
         intents: intents_truncated,