dossier_controller#new uses info from FC if any

app/controllers/users/dossiers_controller.rb

@@ -223,6 +223,10 @@ module Users
       dossier = Dossier.create!(procedure: procedure, user: current_user, state: Dossier.states.fetch(:brouillon))
 
       if dossier.procedure.for_individual
+        if current_user.france_connect_information.present?
+          dossier.update_with_france_connect(current_user.france_connect_information)
+        end
+
         redirect_to identite_dossier_path(dossier)
       else
         redirect_to siret_dossier_path(id: dossier.id)

app/models/dossier.rb

@@ -477,6 +477,14 @@ class Dossier < ApplicationRecord
     !PiecesJustificativesService.liste_pieces_justificatives(self).empty? && PiecesJustificativesService.pieces_justificatives_total_size(self) < Dossier::TAILLE_MAX_ZIP
   end
 
+  def update_with_france_connect(fc_information)
+    self.individual = Individual.create(
+      nom: fc_information.given_name,
+      prenom: fc_information.family_name,
+      gender: fc_information.gender == 'female' ? 'Mme' : 'M.'
+    )
+  end
+
   private
 
   def log_dossier_operation(author, operation, subject = nil)