def top(*args, **options, &block)
if block || !(respond_to?(:scoping) || respond_to?(:with_scope))
raise ArgumentError, "wrong number of arguments (given #{args.size}, expected 0..1)" if args.size > 1
limit = args[0]
min = options[:min]
counts = Hash.new(0)
map(&block).each do |v|
counts[v] += 1
end
counts.delete(nil) unless options[:nil]
counts.select! { |_, v| v >= min } if min
arr = counts.sort_by { |_, v| -v }
arr = arr[0...limit] if limit
Hash[arr]
elsif respond_to?(:scoping)
scoping { klass.send(:top, *args, **options, &block) }
else
with_scope(self) { klass.send(:top, *args, **options, &block) }
end
end