class ApiHandler

# File lib/booksr/api_handler.rb, line 6
def search_by_google(query_string, query_type)
        responses = Array.new
        parser = Parser.new

        # https://www.googleapis.com/books/v1/volumes?q=field:qeury_string&startIndex=#{start_index}&maxResults=#{GOOGLE_MAX_RESULTS}
        query_string = URI::escape(query_string)
        api_uri = "https://www.googleapis.com/books/v1/volumes"
        query = "?q="

        if query_type == :title
                query += "intitle:"
        elsif query_type == :author
                query += "inauthor:"
        elsif query_type == :isbn
                query += "isbn:"
        end

        query += query_string

        start_index = 0
        begin
                subquery = "&startIndex=#{start_index}&maxResults=#{GOOGLE_MAX_RESULTS}"

                response = RestClient.get api_uri + query + subquery
                responses.push(response)
                
                data = parser.parse_json(response)
                start_index += GOOGLE_MAX_RESULTS
        end while data.size == GOOGLE_MAX_RESULTS

        return responses
end