From 834f998788fd3659f4f4d859b1b95be71fa8f216 Mon Sep 17 00:00:00 2001
From: Michal Vanko <mklakakilli@gmail.com>
Date: Sun, 14 Jan 2024 22:56:14 +0100
Subject: [PATCH] directory listing

---
 axum_server/src/pages/mod.rs         |  1 +
 axum_server/src/pages/post.rs        |  2 +-
 axum_server/src/pages/post_list.rs   | 47 ++++++++++++++++++++++++++++
 axum_server/src/router.rs            |  3 +-
 axum_server/templates/post_list.html | 21 +++++++++++++
 5 files changed, 72 insertions(+), 2 deletions(-)
 create mode 100644 axum_server/src/pages/post_list.rs
 create mode 100644 axum_server/templates/post_list.html

diff --git a/axum_server/src/pages/mod.rs b/axum_server/src/pages/mod.rs
index dad6d73..6515127 100644
--- a/axum_server/src/pages/mod.rs
+++ b/axum_server/src/pages/mod.rs
@@ -1,2 +1,3 @@
 pub mod index;
 pub mod post;
+pub mod post_list;
diff --git a/axum_server/src/pages/post.rs b/axum_server/src/pages/post.rs
index 8a4e5a0..88acd97 100644
--- a/axum_server/src/pages/post.rs
+++ b/axum_server/src/pages/post.rs
@@ -13,7 +13,7 @@ pub struct PostMetadata {
     pub published: bool,
     #[serde(deserialize_with = "deserialize_date")]
     pub date: DateTime<Utc>,
-    pub thumbnail: String,
+    pub thumbnail: Option<String>,
     pub tags: Vec<String>,
 }
 
diff --git a/axum_server/src/pages/post_list.rs b/axum_server/src/pages/post_list.rs
new file mode 100644
index 0000000..c8e5dd8
--- /dev/null
+++ b/axum_server/src/pages/post_list.rs
@@ -0,0 +1,47 @@
+use askama::Template;
+use axum::http::StatusCode;
+use tokio::fs::read_dir;
+use tracing::info;
+
+use crate::post_parser::{parse_post, ParseResult};
+
+use super::post::PostMetadata;
+
+#[derive(Template)]
+#[template(path = "post_list.html")]
+pub struct PostListTemplate {
+    pub posts: Vec<ParseResult<PostMetadata>>,
+    // TODO tags and pagination
+}
+
+pub async fn render_post_list() -> Result<PostListTemplate, StatusCode> {
+    let path = "../_posts/blog/";
+    let dir = read_dir(path).await;
+    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
+        .next_entry()
+        .await
+        .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?
+    {
+        let file_path = file.path();
+        let file_path_str = file_path.to_str().unwrap();
+        info!(":{}", file_path_str);
+        let post = parse_post::<PostMetadata>(file_path_str).await?;
+        posts.push(post);
+    }
+
+    Ok(PostListTemplate { posts })
+}
+
+// TODO Do we want pagination or not? Ask designer
+// TODO How are we going to implement tags? The path extractor would have to make decision on wether we have a path or a blog post
+// TODO Refactor `?` with `.map_err`
diff --git a/axum_server/src/router.rs b/axum_server/src/router.rs
index 844f205..1bc8bf9 100644
--- a/axum_server/src/router.rs
+++ b/axum_server/src/router.rs
@@ -1,4 +1,4 @@
-use crate::pages::{index::render_index, post::render_post};
+use crate::pages::{index::render_index, post::render_post, post_list::render_post_list};
 use axum::{extract::MatchedPath, http::Request, routing::get, Router};
 use tower_http::trace::TraceLayer;
 use tracing::info_span;
@@ -6,6 +6,7 @@ use tracing::info_span;
 pub fn get_router() -> Router {
     Router::new()
         .route("/", get(render_index))
+        .route("/blog", get(render_post_list))
         .route("/blog/:post_id", get(render_post))
         .layer(
             TraceLayer::new_for_http().make_span_with(|request: &Request<_>| {
diff --git a/axum_server/templates/post_list.html b/axum_server/templates/post_list.html
new file mode 100644
index 0000000..17ca242
--- /dev/null
+++ b/axum_server/templates/post_list.html
@@ -0,0 +1,21 @@
+{% if posts.len() == 0 %}
+<p class="no-posts">You've found void in the space.</p>
+{% else %}
+<h1>{# if filters.tags #} {# <em>{filters.tags}</em> #} Blog posts</h1>
+
+{#if filters.tags#}
+<div class="{seeAllClass}">
+  <a href="/blog">See all posts</a>
+</div>
+{% endif%}
+
+<ul>
+  {% for post in posts %}
+  <li>
+    {# <ArticlePreviewCard {article} {segment} /> #} {#
+    <ArticleFooter {article} {segment} /> #} {{post.metadata.title}}
+  </li>
+  {% endfor %}
+</ul>
+
+{# <ArticlePreviewList {...data} segment="blog" /> #}