/// <summary>
/// Checks that expert has joined the session.
/// </summary>
/// <param name="expertName">Expert name.</param>
/// <param name="sessionOfExperts">Session of Experts.</param>
/// <remarks>If current session does no exist returns false.</remarks>
public virtual void JoinSession([NotNull] string expertName, [NotNull] SessionOfExperts sessionOfExperts)
{
if (expertName == null)
{
throw new ArgumentNullException(nameof(expertName));
}
if (sessionOfExperts == null)
{
throw new ArgumentNullException(nameof(sessionOfExperts));
}
var expert = new Expert(expertName, sessionOfExperts);
_expertRepository.AddOrUpdate(expert);
}
