public void SaveSiteCard(ProductSiteCard entity)
{
if (dbContext.ProductSiteCards.AsNoTracking().FirstOrDefault(e => e.ProductId == entity.ProductId) == default)
{
dbContext.Entry(entity).State = EntityState.Added;
}
else
{
dbContext.Entry(entity).State = EntityState.Modified;
}
dbContext.SaveChanges();
}
public void SaveProducer(Producer entity)
{
Producer producer = dbContext.Producers.AsNoTracking().FirstOrDefault(x => x == entity);
if (producer == default)
{
dbContext.Entry(entity).State = EntityState.Added;
}
else
{
dbContext.Entry(entity).State = EntityState.Modified;
}
dbContext.SaveChanges();
}
public void SaveProduct(Product entity)
{
Producer producer = dbContext.Producers.AsNoTracking().FirstOrDefault(e => e.ProducerId == entity.ProducerId);
if (producer == default)
{
// Ошибка, такое невозможно
throw new ArgumentException("Ошибка, производителя нет для конкретного продукта");
}
if ((producer.Products == null) || (!producer.Products.Any(e => e.ProductId == entity.ProductId)))
{
dbContext.Entry(entity).State = EntityState.Added;
}
else
{
dbContext.Entry(entity).State = EntityState.Modified;
}
dbContext.SaveChanges();
}