/// <summary>
/// Updates selected contact's data with new data
/// </summary>
/// <param name="peopleList">Contact's list</param>
/// <returns>Updated contact's list</returns>
public static List <Person> UpdateInfo(List <Person> peopleList, out string text)
{
List <Person> tempList = new List <Person>();
Console.Clear();
Person tempPerson = GetInfo();
var temp = peopleList.Where(x => x.Name == tempPerson.Name && x.Surname == tempPerson.Surname).ToList <Person>();
if (temp.Count > 0)
{
Console.WriteLine("Your information: \n");
InOut.PrintToScreen(temp);
Console.WriteLine("What do you want to update? (enter number of selected option)");
Console.WriteLine("1. Update name");
Console.WriteLine("2. Update last name");
Console.WriteLine("3. Update phone number");
Console.WriteLine("4. Update address");
int choice = int.Parse(Console.ReadLine());
if (choice < 1 || choice > 4)
{
text = "Selected choice does not exist \n ";
}
else
{
string updatedInfo = string.Empty;
text = string.Empty;
switch (choice)
{
case 1:
{
Console.WriteLine("Enter new name: ");
updatedInfo = Console.ReadLine();
peopleList = peopleList.Where(x => x.Name == tempPerson.Name).Select(x => { x.Name = updatedInfo; return(x); }).ToList <Person>();
break;
}
case 2:
{
Console.WriteLine("Enter new last name: ");
updatedInfo = Console.ReadLine();
peopleList = peopleList.Where(x => x.Surname == tempPerson.Surname).Select(x => { x.Surname = updatedInfo; return(x); }).ToList <Person>();
break;
}
case 3:
{
Console.WriteLine("Enter new phone number: ");
updatedInfo = Console.ReadLine();
var tempContact = new Person(tempPerson.Name, tempPerson.Surname, updatedInfo, tempPerson.Address);
if (CheckEligibility(tempContact, peopleList))
{
peopleList = peopleList.Where(x => x.PhoneNumber == tempPerson.PhoneNumber).Select(x => { x.PhoneNumber = updatedInfo; return(x); }).ToList <Person>();
}
else
{
text = "Phone number was not updated because its already exists \n";
}
break;
}
case 4:
{
Console.WriteLine("Enter new address: ");
peopleList = peopleList.Where(x => x.Address == tempPerson.Address).Select(x => { x.Address = updatedInfo; return(x); }).ToList <Person>();
break;
}
}
}
}
else
{
throw new Exception("Contact was not found");
}
return(peopleList);
}
/// <summary>
/// Main method which interacts with user and fulfill users selected options
/// </summary>
/// <param name="args"></param>
static void Main(string[] args)
{
bool Exit = false;
List <Person> PeopleList = InOut.ReadContacts();
while (!Exit)
{
int choice = 0;
Console.WriteLine("Contact manager \n");
Console.WriteLine("Choose what you want to do: (enter number of selected option)");
Console.WriteLine("1. Add contact");
Console.WriteLine("2. Update contact information");
Console.WriteLine("3. Delete contact");
Console.WriteLine("4. View all contacts");
Console.WriteLine("5. Exit and save");
try
{
choice = int.Parse(Console.ReadLine());
if (choice < 1 || choice > 5)
{
throw new Exception();
}
}
catch
{
Console.Clear();
Console.WriteLine("Selected choice does not exist \n ");
}
switch (choice)
{
case 1:
{
try
{
var person = TaskUtils.CreatePerson();
if (TaskUtils.CheckEligibility(person, PeopleList))
{
PeopleList.Add(person);
Console.Clear();
Console.WriteLine("Contact was created successfuly! \n");
}
else
{
Console.Clear();
Console.WriteLine("Contact was not created because person with declared phone number already exists \n");
}
}
catch (Exception ex)
{
Console.Clear();
Console.WriteLine(ex.Message);
}
break;
}
case 2:
{
try
{
string text = string.Empty;
TaskUtils.UpdateInfo(PeopleList, out text);
Console.Clear();
if (text == string.Empty)
{
Console.WriteLine("Contact was updated successfuly! \n");
}
else
{
Console.WriteLine(text);
}
}
catch (Exception ex)
{
Console.Clear();
Console.WriteLine(ex.Message);
}
break;
}
case 3:
{
try
{
TaskUtils.DeleteInfo(PeopleList);
Console.Clear();
Console.WriteLine("Contact was deleted successfuly! \n");
}
catch (Exception ex)
{
Console.Clear();
Console.WriteLine(ex.Message);
}
break;
}
case 4:
{
try
{
Console.Clear();
InOut.PrintToScreen(PeopleList);
}
catch (Exception ex)
{
Console.Clear();
Console.WriteLine(ex.Message);
}
break;
}
case 5:
{
InOut.PrintToCsv(PeopleList);
Exit = true;
break;
}
}
}
}