public virtual string AnyIdentifiableTag(int row = -1)
{
if (!UserName.NullOrEmpty())
{
return(UserName);
}
if (!FirstName.NullOrEmpty())
{
if (!LastName.NullOrEmpty())
{
return(FirstName + " " + LastName);
}
else
{
return(FirstName);
}
}
if (!LastName.NullOrEmpty())
{
return(LastName);
}
if (!StudentID.NullOrEmpty())
{
return(StudentID);
}
if (row >= 0)
{
return($"on row {row}");
}
return("Unidentifiable student");
}
public virtual List <ErrorType> GetErrors()
{
List <ErrorType> list = new List <ErrorType>();
if (FirstName.NullOrEmpty())
{
list.Add(ErrorType.FirstName);
}
if (LastName.NullOrEmpty())
{
list.Add(ErrorType.LastName);
}
if (UserName.NullOrEmpty())
{
list.Add(ErrorType.UserName);
}
if (StudentID.NullOrEmpty())
{
list.Add(ErrorType.StudentID);
}
return(list);
}
/// <summary>
/// Checks that all data is valid for the student
/// </summary>
/// <returns>Returns true if everything is okay, false if there is an error.</returns>
public virtual bool ResolveErrors()
{
return(!FirstName.NullOrEmpty() && !LastName.NullOrEmpty() && !StudentID.NullOrEmpty() && !UserName.NullOrEmpty());
}