public override string ToString()
{
var stringBuilder = new StringBuilder(RootNoteName.ToString());
var quality = Quality;
if (quality != null)
{
var qualityValue = quality.Value;
stringBuilder.Append(qualityValue != ChordQuality.Major ? QualitiesSymbols[qualityValue] : string.Empty);
}
var extensionInterval = ExtensionInterval;
if (extensionInterval != null)
{
var extensionQuality = extensionInterval.Quality;
var extensionNumber = extensionInterval.Number;
var extensionAlteration = ExtensionAlteration;
if (extensionAlteration == null)
{
var printQuality = (extensionNumber != 7 && extensionQuality != IntervalQuality.Major) ||
(extensionNumber == 7 && extensionQuality != IntervalQuality.Minor);
stringBuilder.Append($"{(printQuality ? IntervalQualitiesSymbols[extensionQuality] : string.Empty)}{extensionNumber}");
}
else
{
stringBuilder.Append($"7{(extensionAlteration == Accidental.Sharp ? Note.SharpShortString : Note.FlatShortString)}{extensionNumber}");
}
}
var suspensionIntervalNumber = SuspensionIntervalNumber;
if (suspensionIntervalNumber != null)
{
stringBuilder.Append($"sus{suspensionIntervalNumber}");
}
stringBuilder.Append(string.Join(string.Empty, AddedToneIntervals.Where(i => !AlteredIntervals.Any(t => t.IntervalNumber == i.Number)).Select(i => $"add{i.Number}")));
stringBuilder.Append(string.Join(string.Empty, AlteredIntervals));
var bassNoteName = BassNoteName;
if (bassNoteName != null)
{
stringBuilder.Append($"/{bassNoteName.Value.ToString().Replace(Note.SharpLongString, Note.SharpShortString)}");
}
return(stringBuilder.ToString());
}
public override int GetHashCode()
{
unchecked
{
var result = 17;
result = result * 23 + RootNoteName.GetHashCode();
result = result * 23 + (Quality?.GetHashCode() ?? 0);
result = result * 23 + (BassNoteName?.GetHashCode() ?? 0);
result = result * 23 + (ExtensionInterval?.GetHashCode() ?? 0);
result = result * 23 + (AddedToneIntervals.FirstOrDefault()?.GetHashCode() ?? 0);
result = result * 23 + (AlteredIntervals.FirstOrDefault()?.GetHashCode() ?? 0);
result = result * 23 + (SuspensionIntervalNumber?.GetHashCode() ?? 0);
result = result * 23 + SeventhQuality.GetHashCode();
return(result);
}
}