From f14c4bc7fc74d39b31b049c10421609e6e048a69 Mon Sep 17 00:00:00 2001
From: necrashter
Date: Sat, 23 Apr 2022 15:09:43 +0300
Subject: Support for multiple configs/routes

---
 src/main.rs   | 25 +++++++++++++++++++++----
 src/routes.rs | 11 ++++-------
 2 files changed, 25 insertions(+), 11 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 6edd67c..65b4430 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -36,20 +36,37 @@ use db::Db;
 use lazy_static::lazy_static;
 use std::fs;
 use crate::config::Config;
+use warp::{Filter};
+use log::{error};
 
 #[tokio::main]
 async fn main() {
     log4rs::init_file("log.conf.yml", log4rs::config::Deserializers::default()).unwrap();
 
-    let config = match Config::read("config.yaml") {
-        Some(c) => c,
+    let configs = vec!["config.yaml"];
+
+    let combined_routes = configs.into_iter()
+        .filter_map(|filename| {
+            match Config::read(filename) {
+                Some(config) => Some(routes::network(Db::new(config))),
+                None => None,
+            }
+        })
+        .reduce(|routes, route| routes.or(route).unify().boxed());
+
+    let routes = match combined_routes {
+        Some(r) => r,
         None => {
-            println!("Could not read config file, exiting.");
+            // Exit the program if there's no successfully loaded config file.
+            error!("Failed to load any config files!");
             return;
         },
     };
 
-    let api = routes::application(Db::new(config));
+    // gradecoin-site (zola) outputs a public/, we serve it here
+    let static_route = warp::any().and(warp::fs::dir("public"));
+
+    let api = routes.or(static_route);
 
     // Start the server
     let point = ([127, 0, 0, 1], 8080);
diff --git a/src/routes.rs b/src/routes.rs
index cdbfc08..f53a20c 100644
--- a/src/routes.rs
+++ b/src/routes.rs
@@ -3,20 +3,17 @@
 use crate::custom_filters;
 use crate::handlers;
 use crate::Db;
-use warp::{Filter, Rejection, Reply};
-
-/// Every route combined
-pub fn application(db: Db) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
-    // gradecoin-site (zola) outputs a public/, we serve it here
-    let static_route = warp::any().and(warp::fs::dir("public"));
+use warp::{Filter, filters::BoxedFilter, Rejection, Reply};
 
+/// Every route combined for a single network
+pub fn network(db: Db) -> BoxedFilter<(impl Reply,)> {
     transaction_list(db.clone())
         .or(register_user(db.clone()))
         .or(auth_transaction_propose(db.clone()))
         .or(auth_block_propose(db.clone()))
         .or(list_users(db.clone()))
         .or(block_list(db))
-        .or(static_route)
+        .boxed()
 }
 
 /// GET /user warp route
-- 
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