public void DisplayContactDetails()
{
Console.Clear();
// NOTE 'this' refers to the object who invoked the prototype method
IContact contact = (IContact)this;
Console.WriteLine(contact.FullName);
Console.WriteLine(contact.Address);
if (contact is CoWorker)
{
CoWorker c = (CoWorker)contact;
Console.WriteLine(c.Business);
Console.WriteLine(c.Position);
}
if (contact is FamilyMember)
{
FamilyMember famMem = (FamilyMember)contact;
Console.WriteLine(famMem.Relation);
}
if (contact is Friend)
{
Friend friend = (Friend)contact;
Console.WriteLine(friend.NickName);
}
PersonMenu();
}
public void ListContacts(string group = "")
{
List <IContact> contactList = Contacts;
if (group == "4")
{
return;
}
switch (group)
{
case "1":
// logic
contactList = Contacts.FindAll(c => c is CoWorker);
break;
case "2":
// logic
contactList = Contacts.FindAll(c => c is Friend);
break;
case "3":
// logic
contactList = Contacts.FindAll(c => c is FamilyMember);
break;
case "":
//NOTE do nothing
break;
default:
Console.WriteLine("If specifying group must enter either CoWorkers, Friends, or FamilyMembers");
break;
}
foreach (IContact contact in contactList)
{
//NOTE 'is' is a type check that returns true/false
if (contact is CoWorker)
{
//NOTE below is syntax to cast from data type IContact to data type CoWorker
CoWorker c = (CoWorker)contact;
System.Console.WriteLine(c.FullName + " " + c.Business);
}
if (contact is FamilyMember)
{
FamilyMember c = (FamilyMember)contact;
System.Console.WriteLine(c.Relation + ": " + c.FullName);
}
if (contact is Friend)
{
Friend c = (Friend)contact;
System.Console.WriteLine(c.NickName + ": " + c.FullName);
}
}
}
public void CreateContact()
{
System.Console.WriteLine("Enter First Name:");
string userFirst = Console.ReadLine();
System.Console.WriteLine("Enter Last Name:");
string userLast = Console.ReadLine();
System.Console.WriteLine("Enter Address:");
string userAddress = Console.ReadLine();
System.Console.WriteLine("Type of contact\n1. CoWorker\n2. Family Member\n3. Friend");
switch (Console.ReadLine())
{
case "1":
System.Console.WriteLine("Enter Business: ");
string userBusiness = Console.ReadLine();
System.Console.WriteLine(("Enter Position: "));
string userPosition = Console.ReadLine();
CoWorker c = new CoWorker(userFirst, userLast, userAddress, userBusiness, userPosition);
Contacts.Add(c);
break;
case "2":
System.Console.WriteLine("Enter Relation: ");
string userRelation = Console.ReadLine();
FamilyMember fm = new FamilyMember(userFirst, userLast, userAddress, userRelation);
Contacts.Add(fm);
break;
case "3":
System.Console.WriteLine("Enter NickName: ");
string userNickName = Console.ReadLine();
Friend f = new Friend(userFirst, userLast, userAddress, userNickName);
Contacts.Add(f);
break;
default:
System.Console.WriteLine("Not a valid option");
break;
}
}
public void ListContacts(string group = "")
{
List <IContact> contactList = Contacts;
switch (group)
{
case "COWORKERS":
// logic
break;
case "FRIENDS":
// logic
break;
case "FAMILYMEMBERS":
// logic
break;
case "":
//NOTE do nothing
break;
default:
Console.WriteLine("If specifying group must enter either CoWorkers, Friends, or FamilyMembers");
break;
}
foreach (IContact contact in contactList)
{
//NOTE 'is' is a type check that returns true/false
if (contact is CoWorker)
{
//NOTE below is syntax to cast from data type IContact to data type CoWorker
CoWorker c = (CoWorker)contact;
System.Console.WriteLine(c.FullName + " " + c.Business);
}
}
}