47colborne/cloud-sesame

module CloudSesame
    module Query
        module DSL
            module AppliedFilterQuery

                def included?(field, value = nil)
                    applied?(field, value, true)
                end

                def excluded?(field, value = nil)
                    applied?(field, value, false)
                end

                def applied?(field, value = nil, included = nil)
                    field = field.to_sym
                    applied = applied_filters(included)
                    if value
                        applied[field] && applied[field].include?(value)
                    else
                        applied[field] && !applied[field].empty?
                    end
                end

                def applied_filters(included = nil)
                    result = Hash.new { |hash, key| hash[key] = [] }

                    (applied_fields = _scope.applied).flatten!
                    applied_fields.compact!

                    applied_fields.each do |field|
                        if included.nil? || field[:included] == included
                            result[field[:field]] << field[:value]
                        end
                    end

                    result
                end

            end
        end
    end
end