ValueObject.cs

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namespace TaskManagement.Domain.Common;
 
public abstract class ValueObject
{
    protected abstract IEnumerable<object?> GetEqualityComponents();
 
    public override bool Equals(object? obj)
    {
        if (obj is null || obj.GetType() != GetType())
            return false;
 
        var other = (ValueObject)obj;
        return GetEqualityComponents().SequenceEqual(other.GetEqualityComponents());
    }
 
    public override int GetHashCode()
    {
        return GetEqualityComponents()
            .Aggregate(0, (current, component) =>
                HashCode.Combine(current, component));
    }
 
    public static bool operator ==(ValueObject? left, ValueObject? right)
        => Equals(left, right);
 
    public static bool operator !=(ValueObject? left, ValueObject? right)
        => !Equals(left, right);
}