Log slash vs prefix command usage

scripty_bot_utils/src/handler/pre_command.rs

@@ -1,6 +1,8 @@
 use poise::BoxFuture;
 
-async fn _pre_command(ctx: crate::Context<'_>) {
+use crate::Context;
+
+async fn _pre_command(ctx: Context<'_>) {
 	scripty_metrics::measure_end_latency(ctx.id());
 
 	let metrics = scripty_metrics::get_metrics();
@@ -10,10 +12,19 @@ async fn _pre_command(ctx: crate::Context<'_>) {
 		.get_metric_with_label_values(&[&ctx.command().qualified_name])
 		.expect("exactly one label")
 		.inc();
+
+	match ctx {
+		Context::Prefix(..) => {
+			metrics.command_usage.prefix.inc();
+		}
+		Context::Application(..) => {
+			metrics.command_usage.slash.inc();
+		}
+	}
 }
 
 #[inline]
-pub fn pre_command(ctx: crate::Context) -> BoxFuture<()> {
+pub fn pre_command(ctx: Context) -> BoxFuture<()> {
 	debug!("pre_command");
 	Box::pin(_pre_command(ctx))
 }

scripty_metrics/src/metrics.rs

@@ -146,6 +146,14 @@ make_static_metric! {
 	pub struct LatencyVec: IntGauge {
 		"latency_type" => LatencyType,
 	}
+
+	pub label_enum CommandUsage {
+		slash,
+		prefix,
+	}
+	pub struct CommandUsageVec: IntCounter {
+		"command_usage_type" => CommandUsage,
+	}
 }
 
 pub static METRICS: OnceCell<Arc<Metrics>> = OnceCell::new();
@@ -173,6 +181,7 @@ pub struct Metrics {
 	pub runtime_metrics:          RuntimeMetricsVec,
 	pub latency:                  LatencyVec,
 	pub stt_time:                 Histogram,
+	pub command_usage:            CommandUsageVec,
 }
 
 impl Metrics {
@@ -298,6 +307,14 @@ impl Metrics {
 		.expect("failed to init stt_time histogram");
 		registry.register(Box::new(stt_time.clone())).unwrap();
 
+		let command_usage_stats = IntCounterVec::new(
+			Opts::new("command_usage", "Breakdown of each command used"),
+			&["command_usage_type"],
+		)
+		.unwrap();
+		let command_usage = CommandUsageVec::from(&command_usage_stats);
+		registry.register(Box::new(command_usage_stats)).unwrap();
+
 		let up = IntCounter::new("up", "Always 1").unwrap();
 		up.inc();
 		registry.register(Box::new(up)).unwrap();
@@ -321,6 +338,7 @@ impl Metrics {
 			stt_server_fetch_success,
 			stt_server_fetch_failure,
 			stt_time,
+			command_usage,
 		})
 	}
 }