public bool RegisterSportsman(Sportsman sportsman)
{
if (Sportsmen.Contains(sportsman))
{
return(false);
}
Sportsmen.Add(sportsman);
return(true);
}
public bool AddMedalToSportsman(Sportsman sportsman, MedalType medalType)
{
var newMedal = new MedalSportsman(sportsman, medalType);
if (Medals.Contains(newMedal))
{
return(false);
}
Medals.Add(newMedal);
return(true);
}
public bool RemoveSportsman(Sportsman sportsman)
{
if (Sportsmen.Contains(sportsman))
{
if (Medals.Any(m => m.Sportsman == sportsman))
{
throw new Exception($"{sportsman} can not be removed because he/she has involved in a competition");
}
else
{
Sportsmen.Remove(sportsman);
return(true);
}
}
return(false);
}
public void ChangeSportsmanMedal(Sportsman sportsman, MedalType medalType)
{
Medals.FirstOrDefault(m => m.Sportsman == sportsman).ChangeMedalType(medalType);
}
public void RemoveMedalToSportsman(Sportsman sportsman)
{
Medals.Remove(Medals.FirstOrDefault(m => m.Sportsman == sportsman));
}
public MedalSportsman(Sportsman sportsman, MedalType medalType)
{
Sportsman = sportsman;
MedalType = medalType;
}