Ejemplo n.º 1
0
        public static void GetID()
        {
            //id the user enters as input
            bool isFound = false;
            PreferredCustomer customer = null;
            do
            {
                Console.Write("Please enter user ID: "); //ID = 1000000
                var enteredID = ConsoleHelper.ReadRegexStringValue("10{5}\\d", "Enter Valid Customer ID"); //validates user Id using Regular expression 


                foreach (var cust in preferredCustomers)
                {
                    if (cust.CustomerID == enteredID)
                    {
                        isFound = true;
                        customer = cust;
                    }

                }
                if(!isFound)
                    Console.Write("ID does not exist. ");

            } while (!isFound);
            ShowCustomerInfo(customer);
        }
Ejemplo n.º 2
0
        public static void ShowCustomerInfo(PreferredCustomer customer)
        {
            using (var reader = new StreamReader("CustomerInfo.txt"))
            {
                var index = 0;
                preferredCustomers = new PreferredCustomer[5];
                while (!reader.EndOfStream)
                {
                    var line = reader.ReadLine().Split(':');
                    var name = line[0];
                    var address = line[1];
                    var phone = line[2];
                    var id = line[3];
                    var email = line[4];
                    var spentAmount = Convert.ToInt32(line[5]);
                    var onEmailList = Convert.ToBoolean(line[6]);
                    preferredCustomers[index] = new PreferredCustomer(name, address, phone, id, email, spentAmount,
                        onEmailList);
                    index++;

                    Console.WriteLine("{0}:{1}:{2}:{3}:{4}:{5}:{6}",
                        name, address, phone, id, email, spentAmount, onEmailList); //Shows customers info
                }
            }
            Console.WriteLine("Enter CustomerID which you want to delete (1-5):");
            var customerId = ConsoleHelper.ReadRegexStringValue("10{5}\\d", "Enter Valid Customer ID"); //Regular Expression

            var newCusomers = new List<PreferredCustomer>();
            foreach (var preferredCustomer in preferredCustomers)
            {
                if (preferredCustomer.CustomerID != customerId)
                {
                    newCusomers.Add(preferredCustomer);
                }
            }

            if (preferredCustomers.Length == newCusomers.Count)
            {
                Console.WriteLine("Customer was not found");
                return;
            }
            
            preferredCustomers = newCusomers.ToArray();
            using (var writer = new StreamWriter("CustomerInfo.txt"))
            {
                foreach (var pc in preferredCustomers)
                {
                    writer.WriteLine("{0}:{1}:{2}:{3}:{4}:{5}:{6}",
                        pc.CustomerName, pc.Address, pc.Phone, pc.CustomerID, pc.CustomerEmail, pc.CalcAmount(), pc.OnEmailList);
                }
            }
            Console.WriteLine($"Customer {customerId} deleted successfully");
        }
Ejemplo n.º 3
0
        //the method below uses text file to add elements to the array
        static void GetPreferredCustomers(string path)
        {
            List<string> customers = new List<string>();
            int count = 0;
            using (StreamReader sr = new StreamReader(path))
            {
                while (sr.Peek() >= 0)
                {
                    count++;
                    customers.Add(sr.ReadLine());
                }
            }
            preferredCustomers = new PreferredCustomer[count];
            for (int i = 0; i < count; i++)
            {
                string[] info = customers[i].Split(':');
                PreferredCustomer pc = new PreferredCustomer(info[0], info[1], info[2], info[3], info[4], Int32.Parse(info[5]), Boolean.Parse(info[6]));
                preferredCustomers[i] = pc; //the array prefferedCustomers contains values
            }

        }