Hello,

I've been looking for a way to noop a find_all_by. Use case: I have a  
function that takes a hash called options as argument, and that  
operates on a subset of Host objects as such:
"""
client_id = options[:client] ? Client.find(options[:client]) : nil
old_hosts = client_id ?  
Host 
.last_seen_before 
(minutes.minutes.ago).find_all_by_client_id(client_id) :  
Host.last_seen_before(minutes.minutes.ago)
"""
last_seen_before is a named_scope. If I had a noop for the  
find_all_by_client_id, I could make due of the client_id ? : part in  
the second line.

I admit that this is quite a simple a case, and that it doesn't add  
much complexity to the program, but I'll soon have to add some more  
filters and/or scopes, and I'd hate to make different calls depending  
on whether the option is set or not.

Does anyone know a way to make this less painfull?

Thanks,

Felix

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