elsif params[:filters].is_a? String and !params[:filters].empty?
begin
f = Oj.load params[:filters]
- raise unless f.is_a? Array
- @filters += f
+ if not f.nil?
+ raise unless f.is_a? Array
+ @filters += f
+ end
rescue
raise ArgumentError.new("Could not parse \"filters\" param as an array")
end