public async Task AddIngredient(Guid recipeId, string name, double quantity, string unitOfMeasurement)
{
Ingredient ingredient;
ProductStore productStoreCheapest;
int nrOfProductsNecessary = 0;
double cost = 0;
if (!await _productsRepository.Exists(name))
{
productStoreCheapest = null;
}
else
{
Product product = (await _productsRepository.GetByName(name)).FirstOrDefault();
productStoreCheapest = await _productStoresRepository.GetCheapestStoreByProduct(product.Id);
}
if (productStoreCheapest != null)
{
Product product = await _productsRepository.GetById(productStoreCheapest.ProductId);
double quantityAfterConversion = _productsRepository.ConvertUnits(unitOfMeasurement, product.UnitOfMeasurement, quantity);
nrOfProductsNecessary = (int)Math.Round(quantityAfterConversion / product.Quantity) + 1;
cost = nrOfProductsNecessary * productStoreCheapest.Price;
}
ingredient = Ingredient.Create(recipeId, productStoreCheapest.Id, name, quantity, cost, unitOfMeasurement, nrOfProductsNecessary);
await Add(ingredient);
}
