Moved .restart_failed_jobs to backend and added rspec test.

app/controllers/monitoring_controller.rb

@@ -183,9 +183,7 @@ curl http://localhost/api/v1/monitoring/status?token=XXX
   def restart_failed_jobs
     access_check
 
-    Scheduler.where(status: 'error', active: false).each do |scheduler|
-      scheduler.update(active: true)
-    end
+    Scheduler.restart_failed_jobs
 
     render json: {}, status: :ok
   end

app/models/scheduler.rb

@@ -267,4 +267,18 @@ class Scheduler < ApplicationModel
 
   end
 
+  # This function restarts failed jobs to retry them
+  #
+  # @example
+  #   Scheduler.restart_failed_jobs
+  #
+  # return [true]
+  def self.restart_failed_jobs
+    Scheduler.where(status: 'error', active: false).each do |scheduler|
+      scheduler.update(active: true)
+    end
+
+    true
+  end
+
 end

spec/models/scheduler_spec.rb

@@ -26,6 +26,17 @@ RSpec.describe Scheduler do
     SpecSpace.send(:remove_const, :DelayedJobBackend)
   end
 
+  describe '.restart_failed_jobs' do
+
+    it 'does restart failed jobs' do
+      job = create(:scheduler, status: 'error', active: false)
+      described_class.restart_failed_jobs
+      job.reload
+      expect(job.active).to be true
+    end
+
+  end
+
   describe '._start_job' do
 
     it 'sets error status/message for failed jobs' do