Store entry html content outside DB in file storage

Since the HTML content can get quite big and can have embeded images.

src/handlers/entry.rs

@@ -1,8 +1,11 @@
+use std::fs;
+
 use axum::extract::{Path, State};
 use axum::response::Response;
 use maud::{html, PreEscaped};
 use sqlx::PgPool;
 
+use crate::config::Config;
 use crate::error::Result;
 use crate::models::entry::get_entry;
 use crate::partials::layout::Layout;
@@ -11,9 +14,12 @@ use crate::uuid::Base62Uuid;
 pub async fn get(
     Path(id): Path<Base62Uuid>,
     State(pool): State<PgPool>,
+    State(config): State<Config>,
     layout: Layout,
 ) -> Result<Response> {
     let entry = get_entry(&pool, id.as_uuid()).await?;
+    let content_dir = std::path::Path::new(&config.content_dir);
+    let content_path = content_dir.join(format!("{}.html", entry.entry_id));
     Ok(layout.render(html! {
         article {
             @let title = entry.title.unwrap_or_else(|| "Untitled".to_string());
@@ -25,7 +31,7 @@ pub async fn get(
                     (published_at)
                 }
             }
-            @let content = entry.html_content.unwrap_or_else(|| "No content".to_string());
+            @let content = fs::read_to_string(content_path).unwrap_or_else(|_| "No content".to_string());
             (PreEscaped(content))
         }
     }))