// Delete metodas
public static void DeleteContact()
{
// 1 - Display full list of contacts to choose ----------------------------------------------------------------
Console.WriteLine("-- Full list of contacts: ");
List <Contact> existingContacts;
using (var stream = File.Open(path, FileMode.OpenOrCreate))
{
var binaryFormatter = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
existingContacts = stream.Length == 0 ?
new List <Contact>() :
(List <Contact>)binaryFormatter.Deserialize(stream);
}
var pattern = string.Join(",", existingContacts.Select(cff => cff.ToString()));
Console.WriteLine(pattern);
// 2 - Enter contact by number which want to be deleted ----------------------------------------------------------------
Console.WriteLine("-- Enter contact number for deletion: ");
string phoneNumberAsString = Console.ReadLine();
int input_phoneNumber;
while (!int.TryParse(phoneNumberAsString, out input_phoneNumber))
{
Console.WriteLine("Not a number. Try again.");
phoneNumberAsString = Console.ReadLine();
}
// 3- Find a number. ----------------------------------------------------------------------------------------
var result = existingContacts.Find(x => x.PhoneNumber == input_phoneNumber);
Console.WriteLine(result);
while (result == null)
{
Console.WriteLine("This number is not present in list. Please enter new one.");
phoneNumberAsString = Console.ReadLine();
input_phoneNumber = CheckIfNumber(phoneNumberAsString);
result = existingContacts.Find(x => x.PhoneNumber == input_phoneNumber);
Console.WriteLine(result);
}
// Istrinamas kontaktas
existingContacts.Remove(result);
// Irasomas atnaujintas listas atgal i faila
Contact.Serialize(path, existingContacts);
}
// Paprasti metodai - jokios logikos.
// Add metodas - prideti kontakta
public static void AddContact()
{
List <Contact> existingContacts;
// Deserialize metodas
existingContacts = Contact.DeserializeForAddition(path);
Console.WriteLine("-- Enter your Name: ", "\n");
var input_name = Console.ReadLine();
Console.WriteLine("-- Enter your Last Name: ", "\n");
var input_lastName = Console.ReadLine();
Console.WriteLine("-- Enter your phone number: ", "\n");
string phoneNumberAsString = Console.ReadLine();
// Patikrinimai - ar skaicius, ar unikalus
int input_phoneNumber = CheckIfNumber(phoneNumberAsString);
Console.WriteLine(input_phoneNumber);
bool check = CheckUniqueness(existingContacts, input_phoneNumber);
if (check == true)
{
Console.WriteLine("Number already exists. Please enter new one.");
phoneNumberAsString = Console.ReadLine();
input_phoneNumber = CheckIfNumber(phoneNumberAsString);
}
Console.WriteLine("-- Enter your address: ", "\n");
var input_address = Console.ReadLine();
// Objekto sukurimas
var contactToAdd = new Contact
{
Name = input_name,
LastName = input_lastName,
PhoneNumber = input_phoneNumber,
Address = input_address
};
// Pridedame kontakta i lista
existingContacts.Add(contactToAdd);
// Iškviecamas Serialize metodas
Contact.Serialize(path, existingContacts);
}
// Update metodas
public static void UpdateContact()
{
// 1 - Display full list of contacts to choose ----------------------------------------------------------------
Console.WriteLine("-- Full list of contacts: ");
List <Contact> existingContacts;
using (var stream = File.Open(path, FileMode.OpenOrCreate))
{
var binaryFormatter = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
existingContacts = stream.Length == 0 ?
new List <Contact>() :
(List <Contact>)binaryFormatter.Deserialize(stream);
}
var pattern = string.Join(",", existingContacts.Select(cff => cff.ToString()));
Console.WriteLine(pattern);
// 2 - Enter contact by number which want to be edited ----------------------------------------------------------------
Console.WriteLine("-- Enter editable contact number: ");
string phoneNumberAsString = Console.ReadLine();
int input_phoneNumber = CheckIfNumber(phoneNumberAsString);
// 3- Find a number. ----------------------------------------------------------------------------------------
var result = existingContacts.Find(x => x.PhoneNumber == input_phoneNumber);
Console.WriteLine(result);
while (result == null)
{
Console.WriteLine("This number is not present in list. Please enter new one.");
phoneNumberAsString = Console.ReadLine();
input_phoneNumber = CheckIfNumber(phoneNumberAsString);
result = existingContacts.Find(x => x.PhoneNumber == input_phoneNumber);
Console.WriteLine(result);
}
//4 - Select what to update ------------------------------------------------------------------------------
//Console.WriteLine("-- Selected object is: " + "\n" + result);
Console.WriteLine("--- Select confirmed. Select what to update: ", "\n");
string mode;
string retry = "No";
do
{
Console.WriteLine("\n");
Console.WriteLine("---Select Mode: " + "\n" + "1 - Name" + "\n" + "2 - Last Name" + "\n" + "3 - Phone number" + "\n" + "4 - Address");
mode = Console.ReadLine();
switch (mode)
{
case "1":
Console.WriteLine("-----------------------------", "\n");
Console.WriteLine("Selected - Update Name", "\n");
Console.WriteLine("-----------------------------", "\n");
// Vardas bus keiciama
Console.WriteLine("-- Enter New Name: ", "\n");
var input_name = Console.ReadLine();
result.Name = input_name;
// Irasymas ir parodymas
Contact.Serialize(path, existingContacts);
ContactRepository.ViewContacts();
Console.WriteLine("Update is finished or there are no such mode available. Do you want to select another mode? (Yes/No)");
retry = Console.ReadLine();
break;
case "2":
Console.WriteLine("-----------------------------", "\n");
Console.WriteLine("Selected - Update Last Name");
Console.WriteLine("-----------------------------", "\n");
// Pavarde bus keiciama
Console.WriteLine("-- Enter New Last Name: ", "\n");
var input_lastName = Console.ReadLine();
result.LastName = input_lastName;
// Irasymas ir parodymas
Contact.Serialize(path, existingContacts);
ContactRepository.ViewContacts();
Console.WriteLine("Update is finished or there are no such mode available. Do you want to select another mode? (Yes/No)");
retry = Console.ReadLine();
break;
case "3":
Console.WriteLine("-----------------------------", "\n");
Console.WriteLine("Selected - Update Phone Number");
Console.WriteLine("-----------------------------", "\n");
// Numeris bus keiciamas
Console.WriteLine("-- Enter New Phone Number Name: ", "\n");
phoneNumberAsString = Console.ReadLine();
// Patikrinimas
input_phoneNumber = CheckIfNumber(phoneNumberAsString);
Console.WriteLine(input_phoneNumber);
bool check = CheckUniqueness(existingContacts, input_phoneNumber);
Console.WriteLine(check);
if (check == true)
{
Console.WriteLine("Number already exists. Please enter new one.");
phoneNumberAsString = Console.ReadLine();
input_phoneNumber = CheckIfNumber(phoneNumberAsString);
}
result.PhoneNumber = input_phoneNumber;
// Irasymas ir parodymas
Contact.Serialize(path, existingContacts);
ContactRepository.ViewContacts();
Console.WriteLine("Update is finished or there are no such mode available. Do you want to select another mode? (Yes/No)");
retry = Console.ReadLine();
break;
case "4":
Console.WriteLine("-----------------------------", "\n");
Console.WriteLine("Selected - Update Address", "\n");
Console.WriteLine("-----------------------------", "\n");
// Adresas bus keiciama
Console.WriteLine("-- Enter New Last Name: ", "\n");
var input_address = Console.ReadLine();
result.Address = input_address;
// Irasymas ir parodymas
Contact.Serialize(path, existingContacts);
ContactRepository.ViewContacts();
Console.WriteLine("Update is finished or there are no such mode available. Do you want to select another mode? (Yes/No)");
retry = Console.ReadLine();
break;
default:
Console.WriteLine("Update is finished or there are no such mode available. Do you want to select another mode? (Yes/No)");
retry = Console.ReadLine();
break;
}
}while (retry != "No");
}
