Improve alpaca request error handling

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

src/lib/alpaca/clock.rs

@@ -1,3 +1,4 @@
+use super::{error_to_backoff, status_error_to_backoff};
 use crate::types::alpaca::api::incoming::clock::Clock;
 use backoff::{future::retry_notify, ExponentialBackoff};
 use governor::DefaultDirectRateLimiter;
@@ -18,17 +19,13 @@ pub async fn get(
             client
                 .get(&format!("https://{}.alpaca.markets/v2/clock", api_base))
                 .send()
-                .await?
+                .await
+                .map_err(error_to_backoff)?
                 .error_for_status()
-                .map_err(|e| match e.status() {
-                    Some(reqwest::StatusCode::BAD_REQUEST | reqwest::StatusCode::FORBIDDEN) => {
-                        backoff::Error::Permanent(e)
-                    }
-                    _ => e.into(),
-                })?
+                .map_err(status_error_to_backoff)?
                 .json::<Clock>()
                 .await
-                .map_err(backoff::Error::Permanent)
+                .map_err(error_to_backoff)
         },
         |e, duration: Duration| {
             warn!(