Sort blog entries

.gitignore

@@ -6,6 +6,7 @@
 !src/page/cube/
 !src/page/text/
 !src/routes/
+!src/routes/blog/
 !src/routes/index/
 
 !.gitignore

Cargo.lock

@@ -367,6 +367,12 @@ version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06ea2b9bc92be3c2baa9334a323ebca2d6f074ff852cd1d7b11064035cd3868f"
 
+[[package]]
+name = "either"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
+
 [[package]]
 name = "embed"
 version = "0.1.0"
@@ -674,6 +680,15 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "25db6b064527c5d482d0423354fcd07a89a2dfe07b67892e62411946db7f07b0"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.10"
@@ -1201,6 +1216,8 @@ dependencies = [
  "clap",
  "embed",
  "env_logger",
+ "indexmap",
+ "itertools",
  "log",
  "maud",
  "mime_guess",

Cargo.toml

@@ -18,6 +18,8 @@ chrono             = { version = "0.4.31", features = [ "serde" ] }
 clap               = { version = "4.4.12", features = [ "derive" ] }
 embed              = { git = "https://github.com/RGBCube/embed-rs" }
 env_logger         = "0.10.1"
+indexmap           = "2.1.0"
+itertools          = "0.12.0"
 log                = { version = "0.4.20", features = [ "serde" ] }
 maud               = { git = "https://github.com/lambda-fairy/maud", features = [ "axum" ] }
 mime_guess         = "2.0.4"

src/routes/blog.rs

@@ -1,10 +1,17 @@
+use std::sync::LazyLock;
+
 use axum::extract::Path;
+use indexmap::IndexMap;
+use itertools::Itertools;
 use maud::{
     html,
     Markup,
 };
 
-use super::markdown::PAGES;
+use super::markdown::{
+    Metadata,
+    PAGES,
+};
 use crate::{
     errors::not_found,
     page::{
@@ -13,24 +20,49 @@ use crate::{
     },
 };
 
+static ENTRIES: LazyLock<IndexMap<&'static str, (&'static Metadata, Markup)>> =
+    LazyLock::new(|| {
+        IndexMap::from_iter(
+            PAGES
+                .iter()
+                .sorted_by_key(|(_, value)| value.0.date)
+                .rev()
+                .filter_map(|(path, (metadata, body))| {
+                    if let Some(name) = path.strip_prefix("blog/") {
+                        let body = html! {
+                            (body)
+
+                            @if let Some(tags) = &metadata.tags {
+                                p {
+                                    "Tags: "
+                                    (tags.join(", "))
+                                }
+                            }
+                        };
+
+                        Some((name, (metadata, body)))
+                    } else {
+                        None
+                    }
+                }),
+        )
+    });
+
 pub async fn index_handler() -> Markup {
     text::create(
-        Some("blog"),
+        Some("Blog"),
         Page::Blog,
         &html! {
             h1 { "Blog Articles" }
             p { "RSS feed coming soon, probably :)" }
 
             ul {
-                @let pages = &*PAGES;
-                @for (path, (metadata, ..)) in pages.iter() {
-                    @if path.starts_with("blog") {
-                        li {
-                            (metadata.date.unwrap().format("%d/%m/%Y"))
-                            " - "
-                            a href=(format!("/{path}")) {
-                                (metadata.title)
-                            }
+                @for (path, (metadata, ..)) in ENTRIES.iter() {
+                    li {
+                        (metadata.date.unwrap().format("%d/%m/%Y"))
+                        " - "
+                        a href=(format!("/blog/{path}")) {
+                            (metadata.title)
                         }
                     }
                 }
@@ -39,22 +71,9 @@ pub async fn index_handler() -> Markup {
     )
 }
 
-pub async fn entry_handler(Path(path): Path<String>) -> Markup {
-    if let Some((metadata, body)) = PAGES.get(&path) {
-        text::create(
-            Some(&metadata.title),
-            Page::Other,
-            &html! {
-                (body)
-
-                @if let Some(tags) = &metadata.tags {
-                    p {
-                        "Tags: "
-                        (tags.join(", "))
-                    }
-                }
-            },
-        )
+pub async fn entry_handler(Path(entry): Path<String>) -> Markup {
+    if let Some((metadata, body)) = ENTRIES.get(entry.as_str()) {
+        text::create(Some(&metadata.title), Page::Other, &body)
     } else {
         not_found::handler().await
     }

src/routes/blog/test.md

@@ -0,0 +1,6 @@
+title: Oldest entry
+date: 2022-01-01
+tags:
+  - foo
+  - bar
+---

src/routes/blog/test123.md

@@ -0,0 +1,6 @@
+title: Second oldest
+date: 2022-01-05
+tags:
+  - foo
+  - bar
+---

src/routes/blog/test123a.md

@@ -0,0 +1,6 @@
+title: Newest
+date: 2024-01-08
+tags:
+  - foo
+  - bar
+---

src/routes/blog/test12d3a.md

@@ -0,0 +1,6 @@
+title: 3rd oldest
+date: 2023-01-08
+tags:
+  - foo
+  - bar
+---

src/routes/markdown.rs

@@ -32,9 +32,7 @@ pub static PAGES: LazyLock<HashMap<String, (Metadata, Markup)>> = LazyLock::new(
         .canonicalize()
         .unwrap();
 
-    let mut pages = HashMap::new();
-
-    for file in embed::dir!(".").flatten() {
+    HashMap::from_iter(embed::dir!(".").flatten().iter().filter_map(|file| {
         let path = path::Path::new(file.path().as_ref())
             .strip_prefix(&routes_path)
             .unwrap()
@@ -42,7 +40,7 @@ pub static PAGES: LazyLock<HashMap<String, (Metadata, Markup)>> = LazyLock::new(
             .unwrap();
 
         if !path.ends_with(".md") {
-            continue;
+            return None;
         }
 
         let content = String::from_utf8(file.content().to_vec()).unwrap();
@@ -52,13 +50,12 @@ pub static PAGES: LazyLock<HashMap<String, (Metadata, Markup)>> = LazyLock::new(
         let metadata: Metadata = serde_yaml::from_str(metadata).unwrap();
 
         log::info!("Adding page {path}");
-        pages.insert(
+
+        Some((
             path.to_string().strip_suffix(".md").unwrap().to_string(),
             (metadata, markdown::parse(content)),
-        );
-    }
-
-    pages
+        ))
+    }))
 });
 
 pub async fn handler(Path(path): Path<String>) -> Markup {