How to reuse named scope conditions with eager loading


I've got Channel model that has many events. Event belongs to channel
and additionally has a named scope called "current".

I need to iterate over each channel and then over each "current" event
for given channel i.e.:

@channels.each do |channel| do |event|

I could do

@channels = Channel.all(:include => :events, :conditions =>
"events.end_time >...")

but the problem is that the conditions would be exactly the same as
already specified for the "current" scope in Event model. Is it
somehow possible to reuse them here?