add temp job to set last_updated_at_* values for dossier

Co-authored-by: Christophe Robillard <christophe.robillard@beta.gouv.fr>

app/jobs/tmp_set_dossiers_last_updated_at_job.rb

@@ -0,0 +1,27 @@
+class TmpSetDossiersLastUpdatedAtJob < ApplicationJob
+  def perform(except)
+    dossiers = Dossier.where
+      .not(id: except)
+      .where(last_champ_updated_at: nil)
+      .includes(:champs, :avis, :commentaires)
+      .limit(100)
+
+    dossiers.find_each do |dossier|
+      last_commentaire_updated_at = dossier.commentaires.maximum(:updated_at)
+      last_avis_updated_at = dossier.avis.maximum(:updated_at)
+      last_champ_updated_at = dossier.champs.maximum(:updated_at)
+      last_champ_private_updated_at = dossier.champs_private.maximum(:updated_at)
+      dossier.update_columns(
+        last_commentaire_updated_at: last_commentaire_updated_at,
+        last_avis_updated_at: last_avis_updated_at,
+        last_champ_updated_at: last_champ_updated_at,
+        last_champ_private_updated_at: last_champ_private_updated_at
+      )
+      except << dossier.id
+    end
+
+    if dossiers.where.not(id: except).exists?
+      TmpSetDossiersLastUpdatedAtJob.perform_later(except)
+    end
+  end
+end