Exemplo n.º 1
0
        public static void GetAnswer(XDocument doc)
        {
            var profitability =
                (from customer in doc.Element("customers").Elements("customer")
                 from order in customer.Element("orders").Elements("order")
                 group order by customer.Element("city").Value into AverageByCity
                 select new
            {
                city = AverageByCity.Key,
                average = AverageByCity.Average(avr => decimal.Parse((string)avr.Element("total")))
            }).ToDictionary(t => t.city, t => t.average);


            //foreach (var info in profitability)
            //{
            //    Console.WriteLine("City : " + info.city);

            //    Console.WriteLine("\t Average profitability " + Math.Round(info.average,3) +"\r\n");
            //}

            //Console.WriteLine("\r\n");



            var countOfOrdersByCustomer = (from customer in doc.Element("customers").Elements("customer")
                                           from order in customer.Element("orders").Elements("order")
                                           select new
            {
                customer = customer.Element("id").Value,
                orders = order
            }).ToDictionary(t => t.customer, t => t.orders.ToString().Count());



            //var summOfOrdersByCity =
            //       from customer in doc.Element("customers").Elements("customer")
            //       from order in customer.Element("orders").Elements("order")
            //       group order by customer.Element("city").Value into summ
            //       select new
            //       {
            //           city = summ.Key,
            //           summary = summ.Average(sum => decimal.Parse((string)sum.Element("total"))),

            //       };

            //foreach (var info in summOfOrdersByCity)
            //{
            //    Console.WriteLine("City : " + info.city);
            //    Console.WriteLine("\t Average intensity " + Math.Round(info.summary/countOfOrdersByCity.Count(), 3) + "\r\n");
            //}
        }
Exemplo n.º 2
0
        public static Dictionary <string, decimal> GetAnswer(XDocument doc)
        {
            var profitability =
                (from customer in doc.Element("customers").Elements("customer")
                 from order in customer.Element("orders").Elements("order")
                 group order by customer.Element("city").Value into AverageByCity
                 select new
            {
                city = AverageByCity.Key,
                average = AverageByCity.Average(avr => decimal.Parse((string)avr.Element("total")))
            }).ToDictionary(t => t.city, t => t.average);

            return(profitability);
        }