- unless @stock.valid?
  .panel.panel-danger.form-errors
    .panel-heading
      = "#{pluralize(@stock.errors.count + @stock.stock_entries.map(&:errors).map(&:count).sum, "error")} prohibited this stock from being saved:"
    .panel-body
      %ul
        = @stock.errors.full_messages.map{ |m| content_tag(:li, m) }.join.html_safe
        = @stock.stock_entries.map{ |se| se.errors.full_messages.map{ |e| "#{se.product.name}: #{e}" } }.flatten.map{ |m| content_tag(:li, m) }.join.html_safe