feat(attestation): support last champ updated at as tag

closes #9825

app/models/concerns/tags_substitution_concern.rb

@@ -102,6 +102,13 @@ module TagsSubstitutionConcern
       lambda: -> (d) { format_date(d.processed_at) },
       available_for_states: Dossier::TERMINE
     },
+    {
+      id: 'dossier_last_champ_updated_at',
+      libelle: 'date de mise à jour',
+      description: 'Date de dernière mise à jour d’un champ du dossier',
+      lambda: -> (d) { format_date(d.last_champ_updated_at) },
+      available_for_states: Dossier::SOUMIS
+    },
     {
       id: 'dossier_procedure_libelle',
       libelle: 'libellé démarche',

spec/models/concerns/tags_substitution_concern_spec.rb

@@ -375,13 +375,17 @@ describe TagsSubstitutionConcern, type: :model do
 
     context "when using a date tag" do
       before do
-        Timecop.freeze(Time.zone.local(2001, 2, 3))
+        travel_to Time.zone.local(2001, 2, 3)
         dossier.passer_en_construction!
-        Timecop.freeze(Time.zone.local(2004, 5, 6))
+
+        travel_to Time.zone.local(2003, 1, 3)
+        dossier.touch(:last_champ_updated_at)
+
+        travel_to Time.zone.local(2004, 5, 6)
         dossier.passer_en_instruction!(instructeur: instructeur)
-        Timecop.freeze(Time.zone.local(2007, 8, 9))
+
+        travel_to Time.zone.local(2007, 8, 9)
         dossier.accepter!(instructeur: instructeur)
-        Timecop.return
       end
 
       context "with date de dépôt" do
@@ -401,6 +405,12 @@ describe TagsSubstitutionConcern, type: :model do
 
         it { is_expected.to eq('09/08/2007') }
       end
+
+      context "with date last ,champ updated at" do
+        let(:template) { '--date de mise à jour--' }
+
+        it { is_expected.to eq('03/01/2003') }
+      end
     end
 
     context "when the template has a libellé démarche tag" do

spec/models/export_template_spec.rb

@@ -67,24 +67,30 @@ describe ExportTemplate do
     context 'for entreprise procedure' do
       let(:for_individual) { false }
       let(:expected_tags) do
-        ['entreprise_siren', 'entreprise_numero_tva_intracommunautaire', 'entreprise_siret_siege_social', 'entreprise_raison_sociale', 'entreprise_adresse', 'dossier_depose_at', 'dossier_procedure_libelle', 'dossier_service_name', 'dossier_number', 'dossier_groupe_instructeur']
+        [
+          'entreprise_siren', 'entreprise_numero_tva_intracommunautaire', 'entreprise_siret_siege_social', 'entreprise_raison_sociale', 'entreprise_adresse',
+          'dossier_depose_at', 'dossier_procedure_libelle', 'dossier_service_name', 'dossier_number', 'dossier_groupe_instructeur', 'dossier_last_champ_updated_at'
+        ]
       end
 
       it do
-        expect(export_template.tags.map { _1[:id] }).to eq(expected_tags)
+        expect(export_template.tags.map { _1[:id] }).to match_array(expected_tags)
-        expect(export_template.pj_tags.map { _1[:id] }).to eq(expected_tags + ['original-filename'])
+        expect(export_template.pj_tags.map { _1[:id] }).to match_array(expected_tags + ['original-filename'])
       end
     end
 
     context 'for individual procedure' do
       let(:for_individual) { true }
       let(:expected_tags) do
-        ['individual_gender', 'individual_last_name', 'individual_first_name', 'dossier_depose_at', 'dossier_procedure_libelle', 'dossier_service_name', 'dossier_number', 'dossier_groupe_instructeur']
+        [
+          'individual_gender', 'individual_last_name', 'individual_first_name',
+          'dossier_depose_at', 'dossier_procedure_libelle', 'dossier_service_name', 'dossier_number', 'dossier_groupe_instructeur', 'dossier_last_champ_updated_at'
+        ]
       end
 
       it do
-        expect(export_template.tags.map { _1[:id] }).to eq(expected_tags)
+        expect(export_template.tags.map { _1[:id] }).to match_array(expected_tags)
-        expect(export_template.pj_tags.map { _1[:id] }).to eq(expected_tags + ['original-filename'])
+        expect(export_template.pj_tags.map { _1[:id] }).to match_array(expected_tags + ['original-filename'])
       end
     end
   end