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kyledecot/gist:7586269

Created November 21, 2013 17:51
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gistfile1.txt
Resource::POSSIBLE_CLASSES.each do |klass|
define_method klass.name.tableize do
resource_ids = group_memberships.pluck(:resource_id)
klass.where(klass.arel_table[:id].in(resource_ids))
end
define_method "has_#{klass.name.underscore}?" do |object|
object.resource_id.in? send(klass.name.tableize.to_sym).pluck(:id)
end
end
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