Override #destroy action on stores controller

Store deletion can be aborted if we are deleting a default
store, so we'll show alert in that case.

Author: chaimann

admin/app/controllers/solidus_admin/stores_controller.rb

@@ -2,6 +2,20 @@
 
 module SolidusAdmin
   class StoresController < SolidusAdmin::ResourcesController
+    def destroy
+      @resource = resource_class.where(id: params[:id])
+
+      failed = @resource.destroy_all.reject(&:destroyed?)
+      if failed.present?
+        desc = failed.map { t(".error.description", name: _1.name, reason: _1.errors.full_messages.join(" ")) }.join("<br>")
+        flash[:danger] = { title: t(".error.title"), description: desc }
+      else
+        flash[:notice] = t('.success')
+      end
+
+      redirect_to after_destroy_path, status: :see_other
+    end
+
     private
 
     def resource_class = Spree::Store