[#10951] Create a cron job to warn user that old brouillon is deleted

app/jobs/cron/purge_old_brouillon_dossiers_job.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class Cron::PurgeOldBrouillonDossiersJob < Cron::CronJob
+  self.schedule_expression = "every day at 08:30"
+
+  def perform
+    Dossier
+      .state_brouillon
+      .where(updated_at: ..(3.months + 2.weeks).ago)
+      .find_each do |dossier|
+        dossier.hide_and_keep_track!(:automatic, :not_modified_for_a_long_time)
+        DossierMailer.notify_old_brouillon_after_deletion(dossier).deliver_later
+      end
+  end
+end