Use error helper e in index.rs

src/index.rs

@@ -1,9 +1,10 @@
+use anyhow::Context;
 use axum::{extract::State, response::Html};
 use http::StatusCode;
 use serde::Deserialize;
 use tokio::process::Command;
 
-use crate::SharedState;
+use crate::{SharedState, util::e};
 
 #[derive(Clone, Debug, Deserialize)]
 struct FlatpakApp {
@@ -28,10 +29,8 @@ pub async fn index(State(state): State<SharedState>) -> Result<Html<String>, Sta
             .arg(format!("file://{}", repo.display()))
             .output()
             .await
-            .map_err(|e| {
-                tracing::error!("Failed to execute `flatpak remote-ls`: {e:?}");
-                StatusCode::INTERNAL_SERVER_ERROR
-            })?
+            .context("Failed to execute `flatpak remote-ls`")
+            .map_err(e(StatusCode::INTERNAL_SERVER_ERROR))?
     };
 
     let stdout = String::from_utf8_lossy(&output.stdout);
@@ -42,10 +41,9 @@ pub async fn index(State(state): State<SharedState>) -> Result<Html<String>, Sta
         tracing::error!("stderr:\n{stderr}\n");
     }
 
-    let list: Vec<FlatpakApp> = serde_json::from_str(&stdout).map_err(|e| {
-        tracing::error!("Failed to deserialize `flatpak remote-ls --json`'s output: {e:?}");
-        StatusCode::INTERNAL_SERVER_ERROR
-    })?;
+    let list: Vec<FlatpakApp> = serde_json::from_str(&stdout)
+        .context("Failed to deserialize `flatpak remote-ls --json`'s output")
+        .map_err(e(StatusCode::INTERNAL_SERVER_ERROR))?;
 
     Ok(to_html(&list))
 }

src/util.rs

@@ -2,6 +2,9 @@ use std::fmt::Display;
 
 use http::StatusCode;
 
+/// Helper funciton for use with [`Result::map_err`].
+///
+/// Logs the error and replaces it with the provided status code.
 #[track_caller]
 pub fn e<E: Display>(code: StatusCode) -> impl FnOnce(E) -> StatusCode {
     move |e| {