Add administrateur#feature_enabled? method

app/helpers/type_de_champ_helper.rb

@@ -2,7 +2,7 @@ module TypeDeChampHelper
   def tdc_options(current_administrateur)
     tdcs = TypeDeChamp.type_de_champs_list_fr
 
-    if !current_administrateur.id.in?(Features.champ_pj_allowed_for_admin_ids)
+    if !current_administrateur.feature_enabled?(:champ_pj_allowed)
       tdcs.reject! { |tdc| tdc.last == "piece_justificative" }
     end
 

app/models/administrateur.rb

@@ -73,6 +73,11 @@ class Administrateur < ApplicationRecord
     administrateur
   end
 
+  def feature_enabled?(feature)
+    ids = Features.send(:"#{feature}_for_admin_ids")
+    ids.present? ? id.in?(ids) : false
+  end
+
   private
 
   def generate_api_token

spec/models/administrateur_spec.rb

@@ -66,4 +66,16 @@ describe Administrateur, type: :model do
     it { expect(Administrateur.reset_password('123', '12345678').errors).not_to be_empty }
     it { expect(Administrateur.reset_password(reset_password_token, '').errors).not_to be_empty }
   end
+
+  describe '#feature_enabled?' do
+    let(:administrateur) { create(:administrateur) }
+
+    before do
+      allow(Features).to receive(:champ_pj_allowed_for_admin_ids)
+        .and_return([administrateur.id])
+    end
+
+    it { expect(administrateur.feature_enabled?(:yolo)).to be_falsey }
+    it { expect(administrateur.feature_enabled?(:champ_pj_allowed)).to be_truthy }
+  end
 end