leesmith/decent_authentication

module ApplicationHelper
  def alert_class_for(flash_type)
    {success: "alert-success", error: "alert-error", warning: "alert-warning", info: "alert-info"}[flash_type.to_sym] || flash_type.to_s
  end

  def model_error_display(model, attribute)
    if field_with_error?(model, attribute)
      content_tag(:small, model.errors[attribute].first.to_s, class: "text-red-700")
    end
  end

  def field_with_error?(model, attribute)
    model.errors[attribute].present?
  end

  def form_error_class(model, attribute)
    field_with_error?(model, attribute) ? "input-invalid" : nil
  end
end