use webhook urls instead of encrypted configs

app/controllers/webhook_secret_controller.rb

@@ -1,29 +1,21 @@
 # frozen_string_literal: true
 
 class WebhookSecretController < ApplicationController
-  before_action :load_encrypted_config
-  authorize_resource :encrypted_config, parent: false
+  load_and_authorize_resource :webhook_url, parent: false
 
-  def index; end
+  def show; end
 
-  def create
-    @encrypted_config.assign_attributes(value: {
-      encrypted_config_params[:key] => encrypted_config_params[:value]
+  def update
+    @webhook_url.update!(secret: {
+      webhook_secret_params[:key] => webhook_secret_params[:value]
     }.compact_blank)
 
-    @encrypted_config.value.present? ? @encrypted_config.save! : @encrypted_config.delete
-
     redirect_back(fallback_location: settings_webhooks_path, notice: I18n.t('webhook_secret_has_been_saved'))
   end
 
   private
 
-  def load_encrypted_config
-    @encrypted_config =
-      current_account.encrypted_configs.find_or_initialize_by(key: EncryptedConfig::WEBHOOK_SECRET_KEY)
-  end
-
-  def encrypted_config_params
-    params.require(:encrypted_config).permit(value: %i[key value]).fetch(:value, {})
+  def webhook_secret_params
+    params.require(:webhook_url).permit(secret: %i[key value]).fetch(:secret, {})
   end
 end