PriceList klasa

K1SR

Jun 18th, 2025

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public class PriceList
{
public Guid Id { get; private set; } // Identitet
public DateRange ActivePeriod { get; private set; } // Value Object
public PriceListStatus Status { get; private set; } // Status u životnom ciklusu
// Povezanost sa drugim entitetima/agregatima preko ID-a ili referenci
public Guid CreatedByEmployeeId { get; private set; }
public Guid? PublishedByEmployeeId { get; private set; }
public Guid? ClosedByEmployeeId { get; private set; }
// Kolekcija stavki cenovnika (PriceListItems) - možda lista Value Objekata ili entiteta u zavisnosti od konteksta
private List<ProductPrice> _productPrices;
public IReadOnlyCollection<ProductPrice> ProductPrices => _productPrices.AsReadOnly();
private List<Correction> _corrections; // Skup ispravki na cenovnik
public IReadOnlyCollection<Correction> Corrections => _corrections.AsReadOnly();
public PriceList(Guid id, DateRange activePeriod, Guid createdByEmployeeId)
{
Id = id;
ActivePeriod = activePeriod ?? throw new ArgumentNullException(nameof(activePeriod));
CreatedByEmployeeId = createdByEmployeeId;
Status = PriceListStatus.Draft; // Inicijalno stanje
_productPrices = new List<ProductPrice>();
_corrections = new List<Correction>();
// Self-validating: Validacija pri konstrukciji
// Dodatna validacija ako postoji specifično pravilo pri kreiranju
}
// Behavior-rich metode koje menjaju stanje i uključuju self-validaciju
public void Publish(Guid publishedByEmployeeId)
{
if (Status != PriceListStatus.Draft)
{
throw new InvalidOperationException("Only draft price lists can be published.");
}
// Dodatna poslovna pravila pre publikovanja
Status = PriceListStatus.Published;
PublishedByEmployeeId = publishedByEmployeeId;
}
public void Close(Guid closedByEmployeeId)
{
if (Status == PriceListStatus.Closed || Status == PriceListStatus.Expired)
{
throw new InvalidOperationException("Price list is already closed or expired.");
}
// Dodatna poslovna pravila pre zatvaranja
Status = PriceListStatus.Closed;
ClosedByEmployeeId = closedByEmployeeId;
}
public void AddCorrection(Correction correction)
{
if (Status == PriceListStatus.Closed)
{
throw new InvalidOperationException("Cannot add corrections to a closed price list.");
}
// Dodatna validacija za samu korekciju
_corrections.Add(correction);
}
public ProductPrice GetPriceForProduct(Guid productId)
{
// Logika za pronalaženje cene, npr. uzimanje u obzir korekcija
return _productPrices.FirstOrDefault(pp => pp.ProductId == productId);
}
// ... druge metode koje podržavaju životni ciklus i ponašanje
}
public enum PriceListStatus
{
Draft,
Published,
Closed,
Expired
}

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