public static bool AddRecipe(string shawarmaName, IngradientWeight[] ingradientWeightAccordings, int cookingTime = 0)
{
using (var ctx = new ShawarmaDBEntities())
{
Shawarma shawarma = ctx.Shawarmas.FirstOrDefault(sh => sh.ShawarmaName == shawarmaName) ?? new Shawarma
{
ShawarmaName = shawarmaName,
CookingTime = cookingTime
};
ShawarmaRecipe recipe = ctx.ShawarmaRecipes.Create();
recipe.Shawarma = shawarma;
foreach (var ingradientWeightAccording in ingradientWeightAccordings)
{
Ingradient ingradient =
ctx.Ingradients.FirstOrDefault(
ing => ing.IngradientName == ingradientWeightAccording.IngradientName);
if (ingradient == null)
{
AddIngredient(ingradientWeightAccording.IngradientName, 0);
ingradient =
ctx.Ingradients.FirstOrDefault(
ing => ing.IngradientName == ingradientWeightAccording.IngradientName);
}
recipe.IngradientId = ingradient.IngradientId;
recipe.Weight = ingradientWeightAccording.Weight;
ctx.ShawarmaRecipes.Add(recipe);
}
return(Commit(ctx));
}
}
public static bool AddPrice(string sellingPointTitle, string shawarmaName, decimal newPrice, string comment)
{
using (var ctx = new ShawarmaDBEntities())
{
SellingPoint point = ctx.SellingPoints.FirstOrDefault(p => p.ShawarmaTitle == sellingPointTitle);
if (point == null)
{
AddSellingPoint(sellingPointTitle, "", "");
point = ctx.SellingPoints.FirstOrDefault(p => p.ShawarmaTitle == sellingPointTitle);
}
Shawarma shawarma = ctx.Shawarmas.FirstOrDefault(sh => sh.ShawarmaName == shawarmaName);
if (shawarma == null)
{
return(false); //there is not specified shawarma
}
ctx.PriceControllers.Add(new PriceController
{
ShwarmaId = shawarma.ShawarmaId,
Price = newPrice,
SellingPointId = point.SellingPointId,
Comment = comment
});
return(Commit(ctx));
}
}
public static bool ShawarmaSelling(string shawarmaName)
{
using (var ctx = new ShawarmaDBEntities())
{
Shawarma shawarma = ctx.Shawarmas.FirstOrDefault(sh => sh.ShawarmaName == shawarmaName);
if (shawarma == null)
{
throw new Exception("there is not specified shawarma");
}
foreach (var recipe in ctx.ShawarmaRecipes.Where(sh => sh.ShawarmaId == shawarma.ShawarmaId))
{
if (recipe.Ingradient.TotalWeight >= recipe.Weight)
{
recipe.Ingradient.TotalWeight -= recipe.Weight;
}
else
{
throw new Exception("not enough ingradient " + recipe.Ingradient.IngradientName);
}
}
return(Commit(ctx));
}
}
