refactor + Cow usage

src/endpoints.rs

@@ -7,23 +7,18 @@ use crate::structs::v3::PrometheusMetrics;
 use prometheus::{ Encoder, Gauge, Registry, TextEncoder};
 use std::sync::{ Arc, MutexGuard };
 use crate::AppState;
-use tracing::{ error, debug, info, warn };
+use tracing::{ error, info, warn };
 use crate::metrics::{MetricsProcesser, MetricsValueType};
 
 pub async fn update_metrics(
     State(state): State<Arc<AppState>>,
-    Json(request) : Json<PrometheusMetrics>
+    Json(request) : Json<PrometheusMetrics<'_>>
 ) -> impl IntoResponse {
     info!("post on /update");
-//     let resp = Response::new("body");
-    // debug!("{:?}", request);
-    // debug!("{:?}", MetricsProcesser::get_type_of_value(&request));
     let service = &request.service_name;
     let endpoint = &request.endpoint_name;
 
     for i in request.metrics {
-        // debug!("{:?}", &i);
-        // debug!("{:?}", MetricsProcesser::get_type_of_value(&i));
         let metric_name = format!("{}_{}_{}", service, endpoint, &i.id);
         match MetricsProcesser::get_type_of_value(&i) {
             MetricsValueType::Array | 
@@ -33,7 +28,8 @@ pub async fn update_metrics(
             MetricsValueType::Number => {
                 let gauge = MetricsProcesser::gauge_from_number(
                     &i, 
-                    &metric_name
+                    &metric_name,
+                    i.clone().desc.unwrap_or_else(|| std::borrow::Cow::Borrowed(&i.id)).into_owned()
                 );
                 if let Some(gauge) = gauge {
                     match state.registry.lock() {
@@ -50,7 +46,6 @@ pub async fn update_metrics(
                         },
                     }
                 }
-                // dbg!(gauge);
             },
             MetricsValueType::ArrayOfStrings => {
                 warn!("String arrays are unsupported, ignoring ...");