feat: get latest tarball from REST API

src/api.rs

@@ -0,0 +1,60 @@
+/*
+ * ForgeFlux StarChart - A federated software forge spider
+ * Copyright (C) 2022  Aravinth Manivannan <realaravinth@batsense.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+use actix_web::web;
+use actix_web::{HttpResponse, Responder};
+use actix_web_codegen_const_routes::get;
+use serde::{Deserialize, Serialize};
+
+use crate::errors::*;
+use crate::WebFederate;
+
+pub const ROUTES: Api = Api::new();
+
+#[derive(Deserialize, Serialize, Clone, Debug, Eq, PartialEq)]
+pub struct Api {
+    pub get_latest: &'static str,
+}
+
+impl Api {
+    const fn new() -> Api {
+        let get_latest = "/api/v1/federated/latest";
+        Api { get_latest }
+    }
+}
+
+#[derive(Deserialize, Serialize, Clone, Debug, Eq, PartialEq)]
+pub struct LatestResp {
+    pub latest: String,
+}
+
+impl LatestResp {
+    pub async fn new(federate: &WebFederate) -> Self {
+        let latest = federate.latest_tar().await.unwrap();
+        LatestResp { latest }
+    }
+}
+
+#[get(path = "ROUTES.get_latest")]
+pub async fn lastest(federate: WebFederate) -> ServiceResult<impl Responder> {
+    let latest = LatestResp::new(&federate).await;
+    Ok(HttpResponse::Ok().json(latest))
+}
+
+pub fn services(cfg: &mut web::ServiceConfig) {
+    cfg.service(lastest);
+}

src/main.rs

@@ -22,6 +22,7 @@ use actix_web::{middleware, web::Data, App, HttpServer};
 use lazy_static::lazy_static;
 use tokio::sync::oneshot;
 
+pub mod api;
 pub mod ctx;
 pub mod db;
 pub mod dns;
@@ -82,7 +83,6 @@ async fn main() {
     let crawler_fut = tokio::spawn(spider::Crawler::start(crawler.clone()));
     let ctx = WebCtx::new(ctx);
     let socket_addr = settings.server.get_ip();
-
     HttpServer::new(move || {
         App::new()
             .wrap(middleware::Logger::default())

src/routes.rs

@@ -17,6 +17,7 @@
  */
 
 pub fn services(cfg: &mut actix_web::web::ServiceConfig) {
+    crate::api::services(cfg);
     crate::pages::services(cfg);
     crate::static_assets::services(cfg);
 }