Use enum to the fullest with VirusScan.statuses

app/jobs/anti_virus_job.rb

@@ -9,9 +9,9 @@ class AntiVirusJob < ApplicationJob
     if @blob.present?
       download_blob_to_tempfile do |file|
         if ClamavService.safe_file?(file.path)
-          status = "safe"
+          status = VirusScan.statuses.fetch(:safe)
         else
-          status = "infected"
+          status = VirusScan.statuses.fetch(:infected)
         end
         virus_scan.update(scanned_at: Time.now, status: status)
       end

app/models/champs/piece_justificative_champ.rb

@@ -54,7 +54,7 @@ class Champs::PieceJustificativeChamp < Champ
     if self.piece_justificative_file&.attachment&.blob.present?
       VirusScan.where(champ: self).where.not(blob_key: self.piece_justificative_file.blob.key).delete_all
       VirusScan.find_or_create_by!(champ: self, blob_key: self.piece_justificative_file.blob.key) do |virus_scan|
-        virus_scan.status = "pending"
+        virus_scan.status = VirusScan.statuses.fetch(:pending)
       end
     end
   end

spec/jobs/anti_virus_job_spec.rb

@@ -4,7 +4,7 @@ RSpec.describe AntiVirusJob, type: :job do
     champ.piece_justificative_file.attach(io: StringIO.new("toto"), filename: "toto.txt", content_type: "text/plain")
     champ
   end
-  let(:virus_scan) { create(:virus_scan, status: "pending", champ: champ, blob_key: champ.piece_justificative_file.blob.key) }
+  let(:virus_scan) { create(:virus_scan, status: VirusScan.statuses.fetch(:pending), champ: champ, blob_key: champ.piece_justificative_file.blob.key) }
 
   subject { AntiVirusJob.new.perform(virus_scan) }
 
@@ -16,7 +16,7 @@ RSpec.describe AntiVirusJob, type: :job do
       subject
     end
 
-    it { expect(virus_scan.reload.status).to eq("safe") }
+    it { expect(virus_scan.reload.status).to eq(VirusScan.statuses.fetch(:safe)) }
   end
 
   context "when a virus is found" do
@@ -27,6 +27,6 @@ RSpec.describe AntiVirusJob, type: :job do
       subject
     end
 
-    it { expect(virus_scan.reload.status).to eq("infected") }
+    it { expect(virus_scan.reload.status).to eq(VirusScan.statuses.fetch(:infected)) }
   end
 end