Migrate to flipper

config/initializers/flipper.rb

@@ -0,0 +1,46 @@
+Flipper.configure do |config|
+  config.default do
+    Flipper.new(Flipper::Adapters::ActiveRecord.new)
+  end
+end
+
+Flipper.register('Administrateurs') do |user|
+  user.administrateur_id.present?
+end
+Flipper.register('Instructeurs') do |user|
+  user.instructeur_id.present?
+end
+
+# This setup is primarily for first deployment, because consequently
+# we can add new features from the Web UI. However when the new DB is created
+# this will immediately migrate the default features to be controlled.
+def setup_features(features)
+  features.each do |feature|
+    if Flipper.exist?(feature)
+      return
+    end
+
+    # Disable feature by default
+    Flipper.disable(feature)
+  end
+end
+
+# A list of features to be deployed on first push
+features = [
+  :administrateur_champ_integer_number,
+  :administrateur_web_hook,
+  :insee_api_v3,
+  :instructeur_bypass_email_login_token,
+  :instructeur_download_as_zip,
+  :maintenance_mode,
+  :mini_profiler,
+  :operation_log_serialize_subject,
+  :pre_maintenance_mode,
+  :xray
+]
+
+ActiveSupport.on_load(:active_record) do
+  if ActiveRecord::Base.connection.data_source_exists? 'flipper_features'
+    setup_features(features)
+  end
+end