//to add contacts
public void AddContact()
{
Console.WriteLine("\nEnter The First Name of Contact");
firstName = Console.ReadLine();
Console.WriteLine("\nEnter The Last Name of Contact");
lastName = Console.ReadLine();
Console.WriteLine("\nEnter The Address of Contact");
address = Console.ReadLine();
Console.WriteLine("\nEnter The City Name of Contact");
city = Console.ReadLine().ToLower();
Console.WriteLine("\nEnter The State Name of Contact");
state = Console.ReadLine().ToLower();
Console.WriteLine("\nEnter the Zip of Locality of Contact");
zip = Console.ReadLine();
Console.WriteLine("\nEnter The Phone Number of Contact");
phoneNumber = Console.ReadLine();
Console.WriteLine("\nEnter The Email of Contact");
email = Console.ReadLine();
// Creating an instance of contact with given details
Person addNewContact = new Person(firstName, lastName, address, city, state, zip, phoneNumber, email, nameOfAddressBook);
// Checking for duplicates with the equals method
// Loop continues till the given contact not equal to any available contact
while (addNewContact.Equals(contactList))
{
Console.WriteLine("contact already exists");
// Giving option to user to re enter or to exit
Console.WriteLine("Type Y to enter new name or any other key to exit");
// If user wants to re-enter then taking input from user
// Else return
if ((Console.ReadLine().ToLower() == "y"))
{
Console.WriteLine("Enter new first name");
firstName = Console.ReadLine();
Console.WriteLine("Enter new last name");
lastName = Console.ReadLine();
addNewContact = new Person(firstName, lastName, address, city, state, zip, phoneNumber, email, nameOfAddressBook);
}
else
{
return;
}
}
contactList.Add(addNewContact);
AddressDetails.AddToCityDictionary(city, addNewContact);
AddressDetails.AddToStateDictionary(state, addNewContact);
Console.WriteLine("\nContact added successfully");
}
/// <summary>
/// Updates the contact.
/// </summary>
public void UpdateContact()
{
// If the List have no contacts
if (contactList.Count() == 0)
{
Console.WriteLine("No saved contacts");
return;
}
// Input the name to be updated
Console.WriteLine("\nEnter the name of candidate to be updated");
string name = Console.ReadLine();
// Search the name
Person contact = SearchByName(name);
// If contact doesnt exist
if (contact == null)
{
Console.WriteLine("No record found");
return;
}
// To print details of searched contact
contact.toString();
int updateAttributeNum = 0;
// Getting the attribute to be updated
Console.WriteLine("\nEnter the row number attribute to be updated or 0 to exit");
try
{
updateAttributeNum = Convert.ToInt32(Console.ReadLine());
if (updateAttributeNum == 0)
{
return;
}
}
catch
{
Console.WriteLine("Invalid entry");
return;
}
// Getting the new value of attribute
Console.WriteLine("\nEnter the new value to be entered");
string newValue = Console.ReadLine();
// Updating selected attribute with selected value
switch (updateAttributeNum)
{
case UPDATE_FIRST_NAME:
firstName = contact.firstName;
contact.firstName = newValue;
// If duplicate contact exists with that name then revert the operation
if (contact.Equals(contactList))
{
contact.firstName = firstName;
Console.WriteLine("Contact already exists with that name");
return;
}
break;
case UPDATE_LAST_NAME:
// Store the LastName of given contact in variable
lastName = contact.lastName;
// Update the contact with given name
contact.lastName = newValue;
// If duplicate contact exists with that name then revert the operation
if (contact.Equals(contactList))
{
contact.lastName = lastName;
Console.WriteLine("Contact already exists with that name");
return;
}
break;
case UPDATE_ADDRESS:
contact.address = newValue;
break;
case UPDATE_CITY:
// Remove the contact from city dictionary
AddressDetails.cityToContactMap[contact.city].Remove(contact);
// Update the contact city
contact.city = newValue;
// Add to city dictionary
AddressDetails.AddToCityDictionary(contact.city, contact);
break;
case UPDATE_STATE:
// Remove the contact from state dictionary
AddressDetails.stateToContactMap[contact.state].Remove(contact);
// Update the contact state
contact.state = newValue;
// Add to state dictionary
AddressDetails.AddToStateDictionary(contact.state, contact);
break;
case UPDATE_ZIP:
contact.zip = newValue;
break;
case UPDATE_PHONE_NUMBER:
contact.phoneNumber = newValue;
break;
case UPDATE_EMAIL:
contact.email = newValue;
break;
default:
Console.WriteLine("Invalid Entry");
return;
}
Console.WriteLine("\nUpdate Successful");
}
