app/controllers/spree/api/variants_controller.rb in solidus_api-2.2.2 vs app/controllers/spree/api/variants_controller.rb in solidus_api-2.3.0.beta1

@@ -63,11 +63,12 @@
 
         if current_ability.can?(:manage, Variant) && params[:show_deleted]
           variants = variants.with_deleted
         end
 
+        in_stock_only = ActiveRecord::Type::Boolean.new.cast(params[:in_stock_only])
         variants = variants.accessible_by(current_ability, :read)
-        variants = variants.in_stock if params[:in_stock_only] || cannot?(:view_out_of_stock, Spree::Variant)
+        variants = variants.in_stock if in_stock_only || cannot?(:view_out_of_stock, Spree::Variant)
         variants
       end
 
       def variant_params
         params.require(:variant).permit(permitted_variant_attributes)