Can create a relay

central_backend/src/server/servers.rs

@@ -166,7 +166,7 @@ pub async fn secure_server(energy_actor: EnergyActorAddr) -> anyhow::Result<()>
                 web::get().to(relays_controller::get_list),
             )
             .route(
-                "/web_api/relays/create",
+                "/web_api/relay/create",
                 web::post().to(relays_controller::create),
             )
             // Devices API

central_backend/src/server/web_api/relays_controller.rs

@@ -19,5 +19,33 @@ pub struct CreateDeviceRelayRequest {
 
 /// Create a new relay
 pub async fn create(actor: WebEnergyActor, req: web::Json<CreateDeviceRelayRequest>) -> HttpResult {
-    todo!()
+    let list = actor.send(energy_actor::GetRelaysList).await?;
+
+    if let Some(e) = req.relay.error(&list) {
+        log::error!("Invalid relay create query: {e}");
+        return Ok(HttpResponse::BadRequest().json(e));
+    }
+
+    let Some(device) = actor
+        .send(energy_actor::GetSingleDevice(req.device_id.clone()))
+        .await?
+    else {
+        log::error!("Invalid relay create query: specified device does not exists!");
+        return Ok(HttpResponse::NotFound().json("Linked device not found!"));
+    };
+
+    if device.relays.len() >= device.info.max_relays {
+        log::error!("Invalid relay create query: too many relay for the target device!");
+        return Ok(HttpResponse::BadRequest().json("Too many relays for the target device!"));
+    }
+
+    // Create the device
+    actor
+        .send(energy_actor::CreateDeviceRelay(
+            req.device_id.clone(),
+            req.relay.clone(),
+        ))
+        .await??;
+
+    Ok(HttpResponse::Accepted().finish())
 }