Improve error handling

src/commands/cmd/play.rs

@@ -103,6 +103,16 @@ impl Command for Play {
       let mut data = handle.typemap().write().await;
       data.insert::<SongMetadataKey>(metadata.clone());
     }
+    match handle.add_event(
+      Event::Track(TrackEvent::Error),
+      SongError {
+        ctx: ctx.clone(),
+        command: command.clone(),
+      },
+    ) {
+      Ok(_) => (),
+      Err(e) => error!("Error adding SongError event: {}", e),
+    }
     let embed_title = match handler.queue().len() == 1 {
       true => "Playing",
       false => "Added to queue",
@@ -270,6 +280,24 @@ impl EventHandler for SongStart {
   }
 }
 
+struct SongError {
+  pub command: CommandInteraction,
+  pub ctx: Context,
+}
+
+#[async_trait]
+impl EventHandler for SongError {
+  async fn act(&self, _ctx: &EventContext<'_>) -> Option<Event> {
+    match text_response(&self.ctx, &self.command, "Error playing song").await {
+      Ok(_) => None,
+      Err(e) => {
+        error!("Failed editing error response: {}", e);
+        None
+      }
+    }
+  }
+}
+
 async fn join_channel(
   manager: Arc<Songbird>,
   voip_data: VOIPData,

src/commands/mod.rs

@@ -110,7 +110,10 @@ pub async fn handle_commands(ctx: &Context, command: CommandInteraction) {
           "{user} failed running command {cmd}",
           user = user.tag(),
           cmd = name
-        )
+        );
+        text_response(ctx, &command, "Error processing command")
+          .await
+          .unwrap_or(());
       } else {
         info!("{user} ran command {cmd}", user = user.tag(), cmd = name)
       }