public IEnumerable <Subject> Load()
{
var registeredSubjects = new List <Subject>();
foreach (var subject in SubjectsList)
{
var unit = CheckForValidUnit(subject);
string topic = null;
var durationPosition = subject.IndexOfAny("0123456789".ToCharArray());
var duration = "1";
if (durationPosition == -1)
{
topic = subject.Substring(0, subject.LastIndexOf(unit, StringComparison.OrdinalIgnoreCase));
}
else
{
topic = subject.Substring(0, durationPosition);
duration = subject.Substring(durationPosition,
subject.LastIndexOfAny("0123456789".ToCharArray()) - durationPosition + 1);
}
var Duration = new SubjectDuration((TimeUnit)Enum.Parse(typeof(TimeUnit), unit, true)
, Convert.ToInt32(duration));
registeredSubjects.Add(new Subject(topic, Duration));
}
return(registeredSubjects);
}
public Subject(string topic, SubjectDuration duration)
{
try
{
Duration = duration;
if (IsInValidTitle(topic))
{
throw new ArgumentException("Title Cannot contain Numeric values");
}
Topic = topic;
}
catch (ArgumentException e)
{
throw;
}
}
