def append_collection_type_url(url, collection_type_id)
      uri = URI.parse(url)
      uri.query = [uri.query, "collection_type_id=#{collection_type_id}"].compact.join('&')
      uri.to_s
    end
def append_collection_type_url(url, collection_type_id)
      uri = URI.parse(url)
      uri.query = [uri.query, "collection_type_id=#{collection_type_id}"].compact.join('&')
      uri.to_s
    end
Append a collection_type_id to the existing querystring (whether or not it has pre-existing params)
 @return [String] the original url with and added collection_type_id param