How to implement the conversion of 2 or more images in the text into a slider?

Question

Ruby on Rails

Hello. Tell me the solution on Ruby on Rails, when you insert 2 or more pictures into the text, you need to convert them into a slider (for example, a photorome).
Thank you.

Answer 1

Not sure if I understood the question correctly.
/controller
@images = Image
/view
<% if @images.count > 1 %>
# gallery code
<% else %>
# something else
<% end %>

Answer 2

Perhaps you mean fancybox?! fancybox.net