From 8c1666c1a64201f8a12e125e3c63a83f4dbf7069 Mon Sep 17 00:00:00 2001
From: Melody Horn <melody@boringcactus.com>
Date: Thu, 22 Apr 2021 03:26:33 -0600
Subject: throw together a super basic repo list

---
 src/main.rs  | 47 +++++++++++++++++++++++++++++++++++++++++------
 src/state.rs | 24 ++++++++++++++++++++++++
 2 files changed, 65 insertions(+), 6 deletions(-)
 create mode 100644 src/state.rs

(limited to 'src')

diff --git a/src/main.rs b/src/main.rs
index cb18c22..52dcaee 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,18 +1,53 @@
 use askama::Template;
+use async_std::sync::{Arc, Mutex};
+use eyre::Result;
 use tide::prelude::*;
 
+mod state;
+use state::State;
+use std::ops::Deref;
+
 #[derive(Template)]
 #[template(path = "index.html")]
-struct IndexTemplate;
+struct IndexTemplate<'a> {
+    state: &'a State,
+}
 
 #[async_std::main]
-async fn main() -> tide::Result<()> {
-    let mut app = tide::new();
+async fn main() -> Result<()> {
+    let matches = clap::App::new("gityeet")
+        .arg(clap::Arg::with_name("root")
+            .help("sets the directory from which repositories will be found")
+            .required(true))
+        .arg(clap::Arg::with_name("port")
+            .help("sets the port number")
+            .required(true))
+        .get_matches();
+
+    let root = matches.value_of("root").expect("root is required");
+    let port = matches.value_of("port").expect("port is required");
+    let port: u16 = port.parse().expect("port was not valid");
+
+    let state = State::discover(root).await?;
+    // unfortunately, the State has to be both Send and Sync, but git2::Repository is not Sync
+    // and even an Arc<RwLock<State>> isn't Sync if State isn't Sync, it has to be a Mutex to get Sync
+    // TODO do something smarter for that
+    let mut app = tide::with_state(Arc::new(Mutex::new(state)));
     app.at("/").get(index);
-    app.listen("127.0.0.1:8000").await?;
+    app.listen(("127.0.0.1", port)).await?;
     Ok(())
 }
 
-async fn index(_: tide::Request<()>) -> tide::Result {
-    Ok(IndexTemplate.into())
+async fn index(req: tide::Request<Arc<Mutex<State>>>) -> tide::Result {
+    let state = req.state();
+    let state = state.lock_arc().await;
+    for repo in &state.data {
+        println!("path: {:?}", repo.path());
+        let head = repo.head();
+        if let Ok(head) = head {
+            println!("head name: {:?}", head.name());
+            println!("head shorthand: {:?}", head.shorthand());
+        }
+    }
+    Ok(IndexTemplate { state: state.deref() }.into())
 }
diff --git a/src/state.rs b/src/state.rs
new file mode 100644
index 0000000..1a88929
--- /dev/null
+++ b/src/state.rs
@@ -0,0 +1,24 @@
+use std::io;
+use std::path::Path;
+
+use async_std::prelude::*;
+use async_std::fs::read_dir;
+
+use git2::Repository;
+
+pub struct State {
+    pub data: Vec<Repository>,
+}
+
+impl State {
+    pub async fn discover(root: impl AsRef<Path>) -> io::Result<Self> {
+        let root = root.as_ref();
+        let dir = read_dir(root).await?;
+        let data = dir
+            .filter_map(|subdir| {
+                subdir.ok().and_then(|subdir| Repository::open_bare(&subdir.path()).ok())
+            })
+            .collect().await;
+        Ok(Self { data })
+    }
+}
-- 
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