[#2180] Keep information that this type de champ was cloned from a PJ

app/models/type_de_champ.rb

@@ -37,7 +37,7 @@ class TypeDeChamp < ApplicationRecord
   belongs_to :parent, class_name: 'TypeDeChamp'
   has_many :types_de_champ, foreign_key: :parent_id, class_name: 'TypeDeChamp', dependent: :destroy
 
-  store_accessor :options, :cadastres, :quartiers_prioritaires, :parcelles_agricoles
+  store_accessor :options, :cadastres, :quartiers_prioritaires, :parcelles_agricoles, :old_pj
 
   # TODO simplify after migrating `options` column to (non YAML encoded) JSON
   class MaybeYaml

app/services/pieces_justificatives_service.rb

@@ -55,7 +55,10 @@ class PiecesJustificativesService
         type_champ: TypeDeChamp.type_champs.fetch(:piece_justificative),
         description: description,
         order_place: order_place,
-        mandatory: tpj.mandatory
+        mandatory: tpj.mandatory,
+        old_pj: {
+          stable_id: tpj.id
+        }
       )
     end
     if types_de_champ.count > 1

spec/models/procedure_spec.rb

@@ -396,6 +396,7 @@ describe Procedure do
         expect(stc.libelle).to eq(ptpj.libelle)
         expect(stc.description).to eq(ptpj.description)
         expect(stc.mandatory).to eq(ptpj.mandatory)
+        expect(stc.old_pj[:stable_id]).to eq(ptpj.id)
       end
     end