When a new PJ is uploaded enqueue a anti virus scan job

app/jobs/anti_virus_job.rb

@@ -0,0 +1,20 @@
+class AntiVirusJob < ApplicationJob
+  include ActiveStorage::Downloading
+
+  attr_reader :blob
+
+  def perform(virus_scan)
+    @blob = ActiveStorage::Blob.find_by(key: virus_scan.blob_key)
+
+    if @blob.present?
+      download_blob_to_tempfile do |file|
+        if ClamavService.safe_file?(file.path)
+          status = "safe"
+        else
+          status = "infected"
+        end
+        virus_scan.update(scanned_at: Time.now, status: status)
+      end
+    end
+  end
+end