In my site I would like to be able to sort the "lesson packs" by the
number of lessons they contain.
define_index do
indexes :name, :sortable => true
indexes :description
indexes [ lessons.instructors.first_name,
lessons.instructors.last_name ], :as => "instructor_name", :sortable
=> true
has :created_at, :status
has lessons.count, :as => :num_lessons
end
The line:
has lessons.count, :as => :num_lessons
doesn't work. This seems like a common/simple issue, but I cannot
figure out how to do it.
All help appreciated.
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