adjust webhooks

app/controllers/webhook_preferences_controller.rb

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+class WebhookPreferencesController < ApplicationController
+  load_and_authorize_resource :webhook_url, parent: false
+
+  def update
+    webhook_preferences_params[:events].each do |event, val|
+      @webhook_url.events.delete(event) if val == '0'
+      @webhook_url.events.push(event) if val == '1' && @webhook_url.events.exclude?(event)
+    end
+
+    @webhook_url.save!
+
+    head :ok
+  end
+
+  private
+
+  def webhook_preferences_params
+    params.require(:webhook_url).permit(events: {})
+  end
+end