Gab Social. All are welcome.

app/controllers/settings/exports_controller.rb

@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+class Settings::ExportsController < Settings::BaseController
+  include Authorization
+
+  layout 'admin'
+
+  before_action :authenticate_user!
+
+  def show
+    @export  = Export.new(current_account)
+    @backups = current_user.backups
+  end
+
+  def create
+    raise GabSocial::NotPermittedError unless user_signed_in?
+
+    backup = nil
+
+    RedisLock.acquire(lock_options) do |lock|
+      if lock.acquired?
+        authorize :backup, :create?
+        backup = current_user.backups.create!
+      else
+        raise GabSocial::RaceConditionError
+      end
+    end
+
+    BackupWorker.perform_async(backup.id)
+
+    redirect_to settings_export_path
+  end
+
+  def lock_options
+    { redis: Redis.current, key: "backup:#{current_user.id}" }
+  end
+end