public static FishingRecordRepository GetInstance()
{
if (_instance == null)
{
_instance = new FishingRecordRepository();
}
return(_instance);
}
public static int[] GetMonths()
{
HashSet <int> months = new HashSet <int>();;
foreach (FishingRecord record in FishingRecordRepository.GetInstance().GetRecords())
{
months.Add(record.DateTimeInterval.Start.Month);
months.Add(record.DateTimeInterval.End.Month);
}
return(months.ToArray());
}
public static int[] GetYears()
{
HashSet <int> years = new HashSet <int>();
foreach (FishingRecord record in FishingRecordRepository.GetInstance().GetRecords())
{
years.Add(record.DateTimeInterval.Start.Year);
years.Add(record.DateTimeInterval.End.Year);
}
return(years.ToArray());
}
public static string[] GetFishNames()
{
HashSet <string> fishNames = new HashSet <string>();;
foreach (FishingRecord record in FishingRecordRepository.GetInstance().GetRecords())
{
foreach (string fishName in record.FishCatch.GetCaughtFish())
{
fishNames.Add(fishName);
}
}
return(fishNames.ToArray());
}
public void DeleteLocation(int index)
{
if (0 <= index & index < _locations.Count)
{
Location location = _locations[index];
foreach (FishingRecord record in FishingRecordRepository.GetInstance().GetRecords())
{
if (location == record.Location)
{
throw new LocationPartOfFishingRecordException();
}
}
_locations.RemoveAt(index);
NotifyObservers(location);
}
else
{
throw new LocationDoesntExistException();
}
}