How to check if image exists in Rails?

Question

<%= image_tag(\"/images/users/user_\" + @user_id.to_s + \".png\") %>

How do you check to see if there is such an image, and if not, then disp

Answer 1

For Rails 5 the one that worked for me is

ActionController::Base.helpers.resolve_asset_path("logos/smthg.png")

returns nil if the asset is absent and path_of_the_asset if present