feat(champs.contextual_validation): extract contextual methods validation in module

app/models/champ.rb

@@ -1,5 +1,6 @@
 class Champ < ApplicationRecord
   include ChampConditionalConcern
+  include ChampsValidateConcern
 
   belongs_to :dossier, inverse_of: false, touch: true, optional: false
   belongs_to :type_de_champ, inverse_of: :champ, optional: false
@@ -249,27 +250,6 @@ class Champ < ApplicationRecord
     end
   end
 
-  protected
-
-  def valid_champ_value?
-    valid?(public? ? :champs_public_value : :champs_private_value)
-  end
-
-  private
-
-  def validate_champ_value?
-    return false unless visible?
-
-    case validation_context
-    when :champs_public_value
-      public?
-    when :champs_private_value
-      private?
-    else
-      false
-    end
-  end
-
   def html_id
     "champ-#{public_id}"
   end

app/models/concerns/champs_validate_concern.rb

@@ -0,0 +1,31 @@
+module ChampsValidateConcern
+  extend ActiveSupport::Concern
+
+  included do
+    protected
+
+    # Champs public/private must be validated depending on the context
+    def valid_champ_value?
+      valid?(public? ? :champs_public_value : :champs_private_value)
+    end
+
+    private
+
+    def validate_champ_value?
+      return false unless visible?
+
+      case validation_context
+      when :champs_public_value
+        public?
+      when :champs_private_value
+        private?
+      else
+        false
+      end
+    end
+
+    def validate_champ_value_or_prefill?
+      validate_champ_value? || validation_context == :prefill
+    end
+  end
+end