fix: warning

config/config.exs

@@ -11,9 +11,13 @@ config :exmr,
   ecto_repos: [Exmr.Repo],
   generators: [timestamp_type: :utc_datetime]
 
+config :exmr,
+  registration_enabled: "true"
+
 # Configures the endpoint
 config :exmr, ExmrWeb.Endpoint,
   url: [host: "localhost"],
+  registration_enabled: "true",
   adapter: Bandit.PhoenixAdapter,
   render_errors: [
     formats: [html: ExmrWeb.ErrorHTML, json: ExmrWeb.ErrorJSON],

lib/exmr.ex

@@ -6,4 +6,8 @@ defmodule Exmr do
   Contexts are also responsible for managing your data, regardless
   if it comes from the database, an external API or others.
   """
+
+  def enable_registration do
+    Application.fetch_env!(:exmr, :registration_enabled)
+  end
 end

lib/exmr_web/router.ex

@@ -3,6 +3,8 @@ defmodule ExmrWeb.Router do
 
   import ExmrWeb.UserAuth
 
+  # enable_registration = Application.fetch_env!(:exmr, :registration_enabled)
+
   pipeline :browser do
     plug :accepts, ["html"]
     plug :fetch_session
@@ -52,7 +54,7 @@ defmodule ExmrWeb.Router do
 
     live_session :redirect_if_user_is_authenticated,
       on_mount: [{ExmrWeb.UserAuth, :redirect_if_user_is_authenticated}] do
-      if Application.get_env(:exmr, :registration_enabled) != "false" do
+      if Exmr.enable_registration() != "false" do
         live "/users/register", UserRegistrationLive, :new
       end
 
@@ -69,7 +71,7 @@ defmodule ExmrWeb.Router do
 
     live_session :require_authenticated_user,
       on_mount: [{ExmrWeb.UserAuth, :ensure_authenticated}] do
-      if Application.get_env(:exmr, :registration_enabled) == "false" do
+      if Exmr.enable_registration() == "false" do
         live "/users/register", UserRegistrationLive, :new
       end