public PantryBeverage VendBeverage(PantryBeverage beverage)
{
var toUpdate = _beverages.Find(s => s.BeverageId.Equals(beverage.BeverageId));
if (toUpdate != null)
{
//check if inventory is enough for all ingredients
foreach (var ingredient in toUpdate.Beverage.Ingredients)
{
if (IngredientUnitBalance(ingredient.IngredientId) < ingredient.RequiredUnitQuantity)
{
throw new ArgumentException($"Not enough quantity for {ingredient.Ingredient.Name}");
}
var newInventory = new Inventory
{
PantryId = Id,
IngredientId = ingredient.IngredientId,
TransactionDate = DateTime.UtcNow,
TransactionQuantity = Math.Round((ingredient.RequiredUnitQuantity / ingredient.StockUnitConversion) * -1, 2),
ConvertedUnitQuantity = ingredient.RequiredUnitQuantity * -1
};
AddNewInventory(newInventory);
}
toUpdate.AddNewOrder(new Order {
OrderDate = DateTime.UtcNow, Quantity = 1, PantryBeverageId = toUpdate.Id
});
toUpdate.State = TrackingState.Unchanged;
return(beverage);
}
return(null);
}
public PantryBeverage RemoveBeverage(PantryBeverage beverage)
{
var toUpdate = _beverages.Find(s => s.Id.Equals(beverage.Id));
if (toUpdate != null)
{
toUpdate.State = TrackingState.Deleted;
return(beverage);
}
return(null);
}
public PantryBeverage AddNewBeverage(PantryBeverage beverage)
{
if (_beverages.Any(s => s.BeverageId.Equals(beverage.BeverageId)))
{
throw new ArgumentException("Cannot add duplicate beverage to pantry.");
}
if (_beverages.Any(s => s.Id.Equals(beverage.Id)))
{
throw new ArgumentException("Cannot add duplicate beverage to pantry.");
}
beverage.State = TrackingState.Added;
_beverages.Add(beverage);
return(beverage);
}
