From fb33221b29832fa9e2d57c94cbc4f63a92c22dbd Mon Sep 17 00:00:00 2001
From: Jordan Doyle <jordan@doyle.la>
Date: Wed, 06 Jul 2022 02:09:28 +0100
Subject: [PATCH] Implement repository about page

---
 src/git.rs                | 26 +++++++++++++++++++++++++-
 src/methods/repo.rs       | 11 +++++++++++
 templates/repo/about.html |  1 +
 3 files changed, 34 insertions(+), 4 deletions(-)

diff --git a/src/git.rs b/src/git.rs
index cfb66f8..943206f 100644
--- a/src/git.rs
+++ a/src/git.rs
@@ -14,7 +14,8 @@
 
 #[derive(Clone)]
 pub struct Git {
-    commits: moka::future::Cache<String, Arc<Commit>>,
+    commits: moka::future::Cache<Oid, Arc<Commit>>,
+    readme_cache: moka::future::Cache<PathBuf, Arc<str>>,
     repository_metadata: Arc<ArcSwapOption<RepositoryMetadataList>>,
 }
 
@@ -22,6 +23,7 @@
     fn default() -> Self {
         Self {
             commits: moka::future::Cache::new(100),
+            readme_cache: moka::future::Cache::new(100),
             repository_metadata: Arc::new(ArcSwapOption::default()),
         }
     }
@@ -32,12 +34,32 @@
         let commit = Oid::from_str(commit).unwrap();
 
         self.commits
-            .get_with(commit.to_string(), async {
+            .get_with(commit, async {
                 tokio::task::spawn_blocking(move || {
                     let repo = Repository::open_bare(repo).unwrap();
                     let commit = repo.find_commit(commit).unwrap();
 
                     Arc::new(Commit::from(commit))
+                })
+                .await
+                .unwrap()
+            })
+            .await
+    }
+
+    pub async fn get_readme(&self, repo: PathBuf) -> Arc<str> {
+        self.readme_cache
+            .get_with(repo.clone(), async {
+                tokio::task::spawn_blocking(move || {
+                    let repo = Repository::open_bare(repo).unwrap();
+                    let head = repo.head().unwrap();
+                    let commit = head.peel_to_commit().unwrap();
+                    let tree = commit.tree().unwrap();
+
+                    let object = tree.get_name("README.md").unwrap().to_object(&repo).unwrap();
+                    let blob = object.into_blob().unwrap();
+
+                    Arc::from(String::from_utf8(blob.content().to_vec()).unwrap())
                 })
                 .await
                 .unwrap()
diff --git a/src/methods/repo.rs b/src/methods/repo.rs
index 915ea2f..3926eff 100644
--- a/src/methods/repo.rs
+++ a/src/methods/repo.rs
@@ -111,14 +111,21 @@
 }
 
 #[allow(clippy::unused_async)]
-pub async fn handle_about(Extension(repo): Extension<Repository>) -> Html<String> {
+pub async fn handle_about(
+    Extension(repo): Extension<Repository>,
+    Extension(RepositoryPath(repository_path)): Extension<RepositoryPath>,
+    Extension(git): Extension<Git>
+) -> Html<String> {
     #[derive(Template)]
     #[template(path = "repo/about.html")]
     pub struct View {
         repo: Repository,
+        readme: Arc<str>,
     }
 
-    Html(View { repo }.render().unwrap())
+    let readme = git.get_readme(repository_path).await;
+
+    Html(View { repo, readme }.render().unwrap())
 }
 
 #[derive(Deserialize)]
diff --git a/templates/repo/about.html b/templates/repo/about.html
index f4d3acc..692ea07 100644
--- a/templates/repo/about.html
+++ a/templates/repo/about.html
@@ -1,6 +1,7 @@
 {% extends "repo/base.html" %}
 
 {% block about_nav_class %}active{% endblock %}
 
 {% block content %}
+<pre>{{ readme }}</pre>
 {% endblock %}--
rgit 0.1.3