Add OptionTypesController with position update and destroy actions

admin/app/controllers/solidus_admin/option_types_controller.rb

@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+module SolidusAdmin
+  class OptionTypesController < SolidusAdmin::BaseController
+    before_action :load_option_type, only: [:move]
+
+    def move
+      @option_type.insert_at(params[:position].to_i)
+
+      respond_to do |format|
+        format.js { head :no_content }
+      end
+    end
+
+    def destroy
+      @option_types = Spree::OptionType.where(id: params[:id])
+
+      Spree::OptionType.transaction { @option_types.destroy_all }
+
+      flash[:notice] = t('.success')
+      redirect_back_or_to option_types_path, status: :see_other
+    end
+
+    private
+
+    def load_option_type
+      @option_type = Spree::OptionType.find(params[:id])
+      authorize! action_name, @option_type
+    end
+  end
+end

admin/config/locales/option_types.en.yml

@@ -0,0 +1,6 @@
+en:
+  solidus_admin:
+    option_types:
+      title: "Option Types"
+      destroy:
+        success: "Option Types were successfully removed."

admin/config/routes.rb

@@ -42,4 +42,13 @@
       delete :destroy
     end
   end
+
+  resources :option_types do
+    collection do
+      delete :destroy
+    end
+    member do
+      patch :move
+    end
+  end
 end