private ProductMeal MakeProductMeal(Double amount)
{
Product product = (Product)productsComboBox.SelectedItem;
var currentProduct = (from p in dieterDBM.Products where p.Id == product.Id select p).First();
ProductMeal productMeal = new ProductMeal();
if (currentProduct.IsUnit == 1)
{
productMeal.Amount = amount;
productMeal.Product = currentProduct;
productMeal.Kcal = Convert.ToInt32(currentProduct.Kcal * amount);
productMeal.Protein = Convert.ToDouble(currentProduct.Protein * amount);
productMeal.Fat = Convert.ToDouble(currentProduct.Fat * amount);
productMeal.Carbohydrate = Convert.ToDouble(currentProduct.Carbohydrate * amount);
}
else
{
productMeal.Amount = amount;
productMeal.Product = currentProduct;
productMeal.Kcal = Convert.ToInt32(currentProduct.Kcal * (amount / 100));
productMeal.Protein = Convert.ToDouble(currentProduct.Protein * (amount / 100));
productMeal.Fat = Convert.ToDouble(currentProduct.Fat * (amount / 100));
productMeal.Carbohydrate = Convert.ToDouble(currentProduct.Carbohydrate * (amount / 100));
}
return(productMeal);
}
private void AddProductToMeal(double amount)
{
dieterDBM = new DieterDBM();
ProductMeal productMeal = MakeProductMeal(amount);
var currentMeal = (from meal in dieterDBM.Meals where meal.Id == mealId select meal).First();
currentMeal.ProductMeals.Add(productMeal);
SumNutritionalContents(currentMeal);
dieterDBM.SubmitChanges();
dieterDBM.Dispose();
Clear();
InitProductMealsList();
}
private void DeleteProductFromMealClick(object sender, RoutedEventArgs e)
{
int id = Utils.GetIdFromUGrid((UniformGrid)((Button)sender).Parent);
dieterDBM = new DieterDBM();
ProductMeal removedProductMeal = (from productMeal in dieterDBM.ProductMeal where productMeal.Id == id select productMeal).Single();
dieterDBM.ProductMeal.DeleteOnSubmit(removedProductMeal);
dieterDBM.SubmitChanges();
var currentMeal = (from meal in dieterDBM.Meals where meal.Id == mealId select meal).First();
SumNutritionalContents(currentMeal);
dieterDBM.SubmitChanges();
dieterDBM.Dispose();
InitProductMealsList();
}