Using page specific action cable functionality within ruby on rails comes in very handy sometimes. It allows you to target given functionality to specific pages and controllers. Furthermore, it reduces the number of open web sockets, which again reduces your server load.
Sometimes you simply want to set some default values for an associated model within
ActiveRecord without thinking too much of creating possible side effects when overriding methods like
build_association or add model callbacks. The following example demonstrates the easiest way so far to achieve the desired functionality.