Refactor the utils (remove them)

src/handlers/v1/relays.rs

@@ -20,7 +20,7 @@ pub async fn load_state_for_relay(relay: &mut Relay, app_state: &Addr<AppState>)
 	Ok(())
 }
 
-pub async fn load_state_for_relays(relays: &mut Vec<Relay>, app_state: &Addr<AppState>) -> Result<(), EmgauwaError>{
+pub async fn load_state_for_relays(relays: &mut [Relay], app_state: &Addr<AppState>) -> Result<(), EmgauwaError>{
 	let stated_relays = get_stated_relays(app_state).await?;
 	relays.iter_mut().for_each(|r| r.find_and_apply_state(&stated_relays));
 	Ok(())

src/handlers/v1/ws/controllers/mod.rs

@@ -1,20 +1,20 @@
-mod handlers;
-
 use std::time::Instant;
 
 use actix::{Actor, ActorContext, Addr, AsyncContext, Handler, StreamHandler};
 use actix_web_actors::ws;
 use actix_web_actors::ws::ProtocolError;
+use futures::executor::block_on;
+use sqlx::{Pool, Sqlite};
+use sqlx::pool::PoolConnection;
+use ws::Message;
+
 use emgauwa_common::constants::{HEARTBEAT_INTERVAL, HEARTBEAT_TIMEOUT};
 use emgauwa_common::errors::EmgauwaError;
 use emgauwa_common::types::{ControllerWsAction, EmgauwaUid};
-use futures::executor::block_on;
-use sqlx::pool::PoolConnection;
-use sqlx::{Pool, Sqlite};
-use ws::Message;
 
 use crate::app_state::{AppState, DisconnectController};
-use crate::utils::flatten_result;
+
+mod handlers;
 
 pub struct ControllersWs {
 	pub pool: Pool<Sqlite>,
@@ -32,13 +32,9 @@ impl Actor for ControllersWs {
 
 	fn stopped(&mut self, _ctx: &mut Self::Context) {
 		if let Some(controller_uid) = &self.controller_uid {
-			let flat_res = flatten_result(
-				block_on(self.app_state.send(DisconnectController {
+			if let Err(err) = block_on(self.app_state.send(DisconnectController {
 				controller_uid: controller_uid.clone(),
-				}))
-				.map_err(EmgauwaError::from),
-			);
-			if let Err(err) = flat_res {
+			})).unwrap_or_else(|err| Err(EmgauwaError::from(err))) {
 				log::error!("Error disconnecting controller: {:?}", err);
 			}
 		}

src/main.rs

@@ -15,7 +15,6 @@ use crate::app_state::AppState;
 mod app_state;
 mod handlers;
 mod settings;
-mod utils;
 
 #[actix_web::main]
 async fn main() -> Result<(), std::io::Error> {

src/utils.rs

@@ -1,7 +0,0 @@
-pub fn flatten_result<T, E>(res: Result<Result<T, E>, E>) -> Result<T, E> {
-	match res {
-		Ok(Ok(t)) => Ok(t),
-		Ok(Err(e)) => Err(e),
-		Err(e) => Err(e),
-	}
-}