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use std::ops::Deref;
use std::path::Path;
use async_std::sync::{Arc, Mutex};
use eyre::Result;
use tide::prelude::*;
mod state;
mod templates;
use state::State;
#[async_std::main]
async fn main() -> Result<()> {
tide::log::start();
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 like maybe just a vec of repo paths
let mut app = tide::with_state(Arc::new(Mutex::new(state)));
app.at("/").get(index);
{
let mut repo = app.at("/*repo/");
repo.get(about);
repo.at("tree/").get(|_| async { Ok("bruh tree") });
}
app.listen(("127.0.0.1", port)).await?;
Ok(())
}
type Request = tide::Request<Arc<Mutex<State>>>;
async fn index(req: Request) -> tide::Result {
let state = req.state();
let state = state.lock_arc().await;
Ok(templates::Index { state: state.deref() }.into())
}
async fn about(req: Request) -> tide::Result {
let repo_rel_path = req.param("repo").expect("no repo in repo-based URL?");
let state = req.state();
let state = state.lock_arc().await;
let repo = state.data.iter()
.find(|repo| state.relative_path(repo.path()) == Path::new(repo_rel_path));
let repo = match repo {
Some(x) => x,
None => return Ok("bruh that's not a real repo".into()),
};
let head = repo.head();
let head = match head {
Ok(x) => x,
Err(err) => return Ok(format!("bruh that repo has no HEAD: {}", err).into()),
};
let head_tree = head.peel_to_tree();
let head_tree = match head_tree {
Ok(x) => x,
Err(err) => return Ok(format!("bruh that repo's HEAD has no tree: {}", err).into()),
};
let tree_readme = head_tree.get_path(Path::new("README.md"));
let tree_readme = match tree_readme {
Ok(x) => x,
Err(err) => return Ok(format!("that repo's HEAD tree has no README.md: {}", err).into()),
};
let tree_readme_object = tree_readme.to_object(repo);
let tree_readme_object = match tree_readme_object {
Ok(x) => x,
Err(err) => return Ok(format!("that repo's HEAD tree has no README.md: {}", err).into()),
};
let head_readme_blob = tree_readme_object.into_blob();
let head_readme_blob = match head_readme_blob {
Ok(x) => x,
Err(_) => return Ok("somehow that README wasn't a file".into()),
};
let readme = String::from_utf8_lossy(head_readme_blob.content());
Ok(templates::About { path: repo_rel_path, readme }.into())
}
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