C# Recipes.Recipe类代码示例

        public RecipeCreator(IKpcContext context)
        {
            this.context = context;
            this.recipe = new Recipe();

            this.recipe.DateEntered = DateTime.Now;
        }

        private static void CategorizeMeal(Recipe recipe, CategorizationResult result, Analyzer analyzer)
        {
            IRecipeClassification trainedRecipe;
            if (analyzer.CheckIfTrained(recipe.Id, out trainedRecipe))
            {
                result.MealBreakfast = trainedRecipe.IsBreakfast;
                result.MealLunch = trainedRecipe.IsLunch;
                result.MealDinner = trainedRecipe.IsDinner;
                result.MealDessert = trainedRecipe.IsDessert;
            }
            else
            {
                var analysis = analyzer.GetPrediction(recipe);

                result.MealBreakfast =
                    analysis.FirstPlace.Equals(Category.Breakfast) ||
                    analysis.SecondPlace.Equals(Category.Breakfast);
                result.MealLunch =
                    analysis.FirstPlace.Equals(Category.Lunch) ||
                    analysis.SecondPlace.Equals(Category.Lunch);
                result.MealDinner =
                    analysis.FirstPlace.Equals(Category.Dinner) ||
                    analysis.SecondPlace.Equals(Category.Dinner);
                result.MealDessert =
                    analysis.FirstPlace.Equals(Category.Dessert) ||
                    analysis.SecondPlace.Equals(Category.Dessert);
            }
        }

        public RecipeRater(IKPCContext context, Recipe recipe, Rating rating)
        {
            this.context = context;
            this.newRatings = new Dictionary<Recipe, Rating>();

            this.newRatings.Add(recipe, rating);
        }

        public RecipeClassification(Recipe recipe, RecipeTag tag)
        {
            this.Recipe = recipe;

            this.IsBreakfast = tag == RecipeTag.Breakfast;
            this.IsLunch = tag == RecipeTag.Lunch;
            this.IsDinner = tag == RecipeTag.Dinner;
            this.IsDessert = tag == RecipeTag.Dessert;
        }

        public MenuUpdater Add(Recipe recipe)
        {
            if (!this.addQueue.Contains(recipe))
            {
                this.addQueue.Add(recipe);
            }

            return this;
        }

        static readonly Regex valid = new Regex(@"[a-z]", RegexOptions.IgnoreCase); //All tokens have to have at least one letter in them

        #endregion Fields

        #region Methods

        public static IEnumerable<IToken> Tokenize(Recipe recipe)
        {
            var tokens = new List<IToken>();
             tokens.AddRange(ParseText(recipe.Title ?? ""));
             tokens.AddRange(ParseText(recipe.Description ?? ""));
             //tokens.AddRange(ParseText(recipe.Method ?? ""));
             //tokens.Add(new TimeToken(recipe.CookTime.GetValueOrDefault() + recipe.PrepTime.GetValueOrDefault()));
             tokens.AddRange(from i in recipe.Ingredients.NeverNull() select new IngredientToken(i.Ingredient) as IToken);

             return tokens;
        }

 public RecipeBrief(Recipe recipe)
 {
     this.Id = recipe.Id;
     this.OwnerId = recipe.OwnerId;
     this.Title = recipe.Title;
     this.Description = recipe.Description;
     this.ImageUrl = recipe.ImageUrl;
     this.Author = recipe.OwnerAlias;
     this.PreparationTime = recipe.PreparationTime;
     this.CookingTime = recipe.CookingTime;
     this.AverageRating = recipe.AverageRating;
 }

 public RecipeBrief(Recipe r)
 {
     this.Id = r.Id;
      this.OwnerId = r.OwnerId;
      this.Title = r.Title;
      this.Description = r.Description;
      this.ImageUrl = r.ImageUrl;
      this.Author = r.OwnerAlias;
      this.PrepTime = r.PrepTime;
      this.CookTime = r.CookTime;
      this.AvgRating = r.AvgRating;
 }

        public CategorizationResult Categorize(Recipe recipe)
        {
            var result = new CategorizationResult();

             CategorizeMeal(recipe, result, analyzer);
             CategorizeDiet(recipe, result);
             CategorizeNutrition(recipe, result);
             CategorizeSkill(recipe, result);
             CategorizeTaste(recipe, result);

             return result;
        }

        public static Recipe MockRecipe(string title, string desc, RecipeTags tags = null)
        {
            var ret = new Recipe(Guid.NewGuid(), title, desc, null);

            ret.Method = "This is a mock recipe.";
            ret.OwnerAlias = "Fake Owner";
            ret.OwnerId = Guid.NewGuid();
            ret.PermanentLink = "http://www.kitchenpc.com/123";
            ret.ServingSize = 5;
            ret.Tags = tags;

            return ret;
        }

        // What should IToken have? Should Token be a Generic Item<T>?
        public static IEnumerable<IToken> Tokenize(Recipe recipe)
        {
            var tokens = new List<IToken>();
            tokens.AddRange(ParseText(recipe.Title ?? string.Empty));
            tokens.AddRange(ParseText(recipe.Description ?? string.Empty));
            tokens.AddRange(ParseText(recipe.Method ?? string.Empty));
            tokens.Add(new TimeToken(recipe.CookTime + recipe.PrepTime));
            tokens.AddRange(
                recipe.Ingredients.NeverNull()
                    .Select(ingredientUsage => new IngredientToken(ingredientUsage.Ingredient)));

            return tokens;
        }

 public void Add(Recipe recipe)
 {
     var tokens = Tokenizer.Tokenize(recipe);
     foreach (var token in tokens)
     {
         if (this.index.ContainsKey(token))
         {
             this.index[token]++;
         }
         else
         {
             this.index.Add(token, 1);
         }
     }
 }

        private void CategorizeDiet(Recipe recipe, CategorizationResult result)
        {
            var ingredientMeta = recipe.Ingredients.Select(ing => ing.Ingredient.Metadata).ToArray();

            var glutenFree = ingredientMeta.All(ing => ing.HasGluten == false);
            var noAnimals = ingredientMeta.All(ing => ing.HasAnimal == false);
            var noMeat = ingredientMeta.All(ing => ing.HasMeat == false);
            var noPork = ingredientMeta.All(ing => ing.HasPork == false);
            var noRedMeat = ingredientMeta.All(ing => ing.HasRedMeat == false);

            result.DietGlutenFree = glutenFree;
            result.DietNoAnimals = noAnimals;
            result.DietNoMeat = noMeat;
            result.DietNoPork = noPork;
            result.DietNoRedMeat = noRedMeat;
        }

        static void CategorizeDiet(Recipe recipe, CategorizationResult result)
        {
            var ingmeta = (from ing in recipe.Ingredients select ing.Ingredient.Metadata).ToArray();

             var glutenFree = ingmeta.All(ing => ing.HasGluten == false);
             var noAnimals = ingmeta.All(ing => ing.HasAnimal == false);
             var noMeat = ingmeta.All(ing => ing.HasMeat == false);
             var noPork = ingmeta.All(ing => ing.HasPork == false);
             var noRed = ingmeta.All(ing => ing.HasRedMeat == false);

             result.Diet_GlutenFree = glutenFree;
             result.Diet_NoAnimals = noAnimals;
             result.Diet_NoMeat = noMeat;
             result.Diet_NoPork = noPork;
             result.Diet_NoRedMeat = noRed;
        }

        public AnalyzerResult GetPrediction(Recipe recipe)
        {
            var winsBreakfast = new Ranking(Category.Breakfast);
            var winsLunch = new Ranking(Category.Lunch);
            var winsDinner = new Ranking(Category.Dinner);
            var winsDessert = new Ranking(Category.Dessert);

            // Setup Tournament
            this.Compete(recipe, this.breakfastIndex, this.lunchIndex, winsBreakfast, winsLunch, winsDinner, winsDessert);
            this.Compete(recipe, this.breakfastIndex, this.dinnerIndex, winsBreakfast, winsLunch, winsDinner, winsDessert);
            this.Compete(recipe, this.breakfastIndex, this.dessertIndex, winsBreakfast, winsLunch, winsDinner, winsDessert);
            this.Compete(recipe, this.lunchIndex, this.dinnerIndex, winsBreakfast, winsLunch, winsDinner, winsDessert);
            this.Compete(recipe, this.lunchIndex, this.dessertIndex, winsBreakfast, winsLunch, winsDinner, winsDessert);
            this.Compete(recipe, this.dinnerIndex, this.dessertIndex, winsBreakfast, winsLunch, winsDinner, winsDessert);

            // Choose winner
            var result = GetWinner(winsBreakfast, winsLunch, winsDinner, winsDessert);
            return result;
        }