refactor errors into map_err

axum_server/src/pages/post.rs

@@ -21,7 +21,7 @@ pub struct PostMetadata {
 #[template(path = "post.html")]
 pub struct PostTemplate {
     pub title: String,
-    pub content: String,
+    pub body: String,
 }
 
 pub async fn render_post(Path(post_id): Path<String>) -> Result<PostTemplate, StatusCode> {
@@ -29,6 +29,6 @@ pub async fn render_post(Path(post_id): Path<String>) -> Result<PostTemplate, St
     let parsed = parse_post::<PostMetadata>(&path).await?;
     Ok(PostTemplate {
         title: parsed.metadata.title,
-        content: parsed.content,
+        body: parsed.body,
     })
 }

axum_server/src/pages/post_list.rs

@@ -16,18 +16,12 @@ pub struct PostListTemplate {
 
 pub async fn render_post_list() -> Result<PostListTemplate, StatusCode> {
     let path = "../_posts/blog/";
-    let dir = read_dir(path).await;
+    let mut dir = read_dir(path)
+        .await
+        .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
     let mut posts: Vec<ParseResult<PostMetadata>> = Vec::new();
 
-    let mut files = match dir {
-        Err(_reason) => {
-            // TODO find the real reason
-            return Err(StatusCode::INTERNAL_SERVER_ERROR);
-        }
-        Ok(files) => files,
-    };
-
-    while let Some(file) = files
+    while let Some(file) = dir
         .next_entry()
         .await
         .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?