From a88d3091ed0df6b4821688cca653b7fdef3a03d7 Mon Sep 17 00:00:00 2001
From: Melody Horn <melody@boringcactus.com>
Date: Thu, 22 Apr 2021 04:09:18 -0600
Subject: correctly find repos in subdirectories

---
 src/main.rs          |  2 ++
 src/state.rs         | 48 +++++++++++++++++++++++++++++++++++-------------
 templates/index.html |  2 +-
 3 files changed, 38 insertions(+), 14 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 52dcaee..795cf41 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -34,6 +34,8 @@ async fn main() -> Result<()> {
     // TODO do something smarter for that
     let mut app = tide::with_state(Arc::new(Mutex::new(state)));
     app.at("/").get(index);
+    app.at("/*repo").get(|_| async { Ok("bruh") });
+    app.at("/*repo/tree").get(|_| async { Ok("bruh tree") });
     app.listen(("127.0.0.1", port)).await?;
     Ok(())
 }
diff --git a/src/state.rs b/src/state.rs
index 1a88929..475302b 100644
--- a/src/state.rs
+++ b/src/state.rs
@@ -1,24 +1,46 @@
-use std::io;
-use std::path::Path;
-
-use async_std::prelude::*;
-use async_std::fs::read_dir;
+use std::fs::read_dir;
+use std::path::{Path, PathBuf};
 
+use eyre::Result;
 use git2::Repository;
 
 pub struct State {
+    pub root: PathBuf,
     pub data: Vec<Repository>,
 }
 
+// TODO figure out how to make this return impl Stream without living in actual hell
+// Heartbreaking: E0733
+fn find_repos_in(dir: impl AsRef<Path>) -> Result<Vec<Repository>> {
+    let dir = dir.as_ref();
+    let dir = read_dir(dir)?;
+    let mut result = vec![];
+    for subdir in dir {
+        match subdir {
+            Ok(subdir) => {
+                match Repository::open_bare(subdir.path()) {
+                    Ok(repo) => result.push(repo),
+                    Err(err) if err.class() == git2::ErrorClass::Repository && err.code() == git2::ErrorCode::NotFound => {
+                        result.extend(find_repos_in(subdir.path())?)
+                    }
+                    // TODO handle in a non-god-awful way
+                    Err(err) => panic!("{}", err),
+                }
+            }
+            Err(_) => {},
+        }
+    }
+    Ok(result)
+}
+
 impl State {
-    pub async fn discover(root: impl AsRef<Path>) -> io::Result<Self> {
+    pub async fn discover(root: impl AsRef<Path>) -> 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 })
+        let data = find_repos_in(root)?;
+        Ok(Self { root: root.to_owned(), data })
+    }
+
+    pub fn relative_path<'a>(&'a self, subdir: &'a Path) -> &'a Path {
+        subdir.strip_prefix(&self.root).unwrap_or_else(|_| subdir.as_ref())
     }
 }
diff --git a/templates/index.html b/templates/index.html
index 00ccd55..302c11e 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -11,7 +11,7 @@
 <h1>hi this is gityeet</h1>
 <ul>
     {% for repo in state.data %}
-        <li>{{ repo.path().display() }}</li>
+        <li><a href="/{{ state.relative_path(repo.path()).display() }}">{{ state.relative_path(repo.path()).display() }}</a></li>
     {% endfor %}
 </ul>
 </body>
-- 
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