schedule and display only schedulable jobs

lib/tasks/jobs.rake

@@ -1,15 +1,17 @@
 namespace :jobs do
-  desc 'Schedule all cron jobs'
+  desc 'Schedule all schedulable cron jobs'
   task schedule: :environment do
-    glob = Rails.root.join('app', 'jobs', '**', '*_job.rb')
+    schedulable_jobs.each(&:schedule)
-    Dir.glob(glob).each { |f| require f }
-    Cron::CronJob.subclasses.each(&:schedule)
   end
 
-  desc 'Display schedule for all cron jobs'
+  desc 'Display schedule for all schedulable cron jobs'
   task display_schedule: :environment do
+    schedulable_jobs.each(&:display_schedule)
+  end
+
+  def schedulable_jobs
     glob = Rails.root.join('app', 'jobs', '**', '*_job.rb')
     Dir.glob(glob).each { |f| require f }
-    Cron::CronJob.subclasses.each(&:display_schedule)
+    Cron::CronJob.subclasses.filter(&:schedulable?)
   end
 end