Make post request to update arena's gateway_url at arena_server creat…

…ion and update

apps/configurator/lib/configurator_web/controllers/arena_server_controller.ex

@@ -17,6 +17,8 @@ defmodule ConfiguratorWeb.ArenaServerController do
   def create(conn, %{"arena_server" => arena_server_params}) do
     case Configuration.create_arena_server(arena_server_params) do
       {:ok, arena_server} ->
+        update_arena_gateway_url(arena_server.gateway_url, arena_server_params["gateway_url"], arena_server.url)
+
         conn
         |> put_flash(:info, "Arena server created successfully.")
         |> redirect(to: ~p"/arena_servers/#{arena_server}")
@@ -39,6 +41,7 @@ defmodule ConfiguratorWeb.ArenaServerController do
 
   def update(conn, %{"id" => id, "arena_server" => arena_server_params}) do
     arena_server = Configuration.get_arena_server!(id)
+    update_arena_gateway_url(arena_server.gateway_url, arena_server_params["gateway_url"], arena_server.url)
 
     case Configuration.update_arena_server(arena_server, arena_server_params) do
       {:ok, arena_server} ->
@@ -66,4 +69,22 @@ defmodule ConfiguratorWeb.ArenaServerController do
         |> redirect(to: ~p"/arena_servers")
     end
   end
+
+  defp update_arena_gateway_url(former_url, former_url, _arena_url), do: nil
+
+  defp update_arena_gateway_url(_former_url, new_url, arena_url) do
+    payload = Jason.encode!(%{gateway_url: new_url})
+
+    arena_url =
+      if String.contains?(arena_url, "localhost") do
+        "http://" <> arena_url
+      else
+        "https://" <> arena_url
+      end
+
+    spawn(fn ->
+      Finch.build(:post, arena_url <> "/api/update_central", [{"content-type", "application/json"}], payload)
+      |> Finch.request(Gateway.Finch)
+    end)
+  end
 end