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 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 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);
}
void CategorizeSkill(Recipe recipe, CategorizationResult result)
{
//Common: Has 3 or more ingredients and all ingredients are considered "common"
result.Skill_Common = recipe.Ingredients.Length >= 3 && recipe.Ingredients.All(i => commonIngs.ContainsKey(i.Ingredient.Id));
result.Commonality = Convert.ToSingle(result.Skill_Common ? recipe.Ingredients.Average(i => commonIngs[i.Ingredient.Id].Commonality) : 0f);
//Easy: Has the word "easy" in the title, or (prep <= 15min and ingredients <= 5)
result.Skill_Easy = (recipe.Title.ToLower().Contains("easy") || (recipe.PrepTime <= 15 && recipe.Ingredients.Length <= 5));
//Quick: prep <= 10 and cooktime <= 20
result.Skill_Quick = (recipe.PrepTime <= 10 && recipe.CookTime <= 20);
}
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;
}
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;
}
static void CategorizeMeal(Recipe recipe, CategorizationResult result, Analyzer analyzer)
{
IRecipeClassification trainedRecipe;
if (analyzer.CheckIfTrained(recipe.Id, out trainedRecipe))
{
result.Meal_Breakfast = trainedRecipe.IsBreakfast;
result.Meal_Lunch = trainedRecipe.IsLunch;
result.Meal_Dinner = trainedRecipe.IsDinner;
result.Meal_Dessert = trainedRecipe.IsDessert;
}
else
{
var analysis = analyzer.GetPrediction(recipe);
result.Meal_Breakfast = (analysis.FirstPlace.Equals(Category.Breakfast) || analysis.SecondPlace.Equals(Category.Breakfast));
result.Meal_Lunch = (analysis.FirstPlace.Equals(Category.Lunch) || analysis.SecondPlace.Equals(Category.Lunch));
result.Meal_Dinner = (analysis.FirstPlace.Equals(Category.Dinner) || analysis.SecondPlace.Equals(Category.Dinner));
result.Meal_Dessert = (analysis.FirstPlace.Equals(Category.Dessert) || analysis.SecondPlace.Equals(Category.Dessert));
}
}
static void CategorizeTaste(Recipe recipe, CategorizationResult result)
{
var totalMass = new Amount(0, Units.Gram);
float totalSweet = 0f, totalSpicy = 0f;
foreach (var usage in recipe.Ingredients)
{
if (usage.Amount == null)
{
continue; //No amount specified for this ingredient (TODO: Any way to estimate this?)
}
if (usage.Ingredient.Metadata == null)
{
continue; //TODO: Log if ingredient has no metadata
}
var meta = usage.Ingredient.Metadata;
var amt = FormConversion.GetWeightForUsage(usage);
if (amt == null)
{
continue;
}
totalMass += amt;
totalSweet += (amt.SizeHigh * meta.Sweet);
totalSpicy += (amt.SizeHigh * meta.Spicy);
}
if (totalMass.SizeHigh == 0)
{
return; //Nothing to calc, exit
}
var maxRating = totalMass.SizeHigh * 4;
var recipeSweet = (totalSweet / maxRating); //Pct sweet the recipe is
var recipeSpicy = (totalSpicy / maxRating); //Pct spicy the recipe is
result.Taste_SavoryToSweet = Convert.ToByte(recipeSweet * 100); //Scale in terms of percentage
result.Taste_MildToSpicy = Convert.ToByte(recipeSpicy * 100);
}
static void CategorizeNutrition(Recipe recipe, CategorizationResult result)
{
float totalGrams = 0, totalFat = 0, totalSugar = 0, totalCal = 0, totalSodium = 0, totalCarbs = 0;
var noMatch = false;
//First, convert every ingredient to weight
foreach (var usage in recipe.Ingredients)
{
if (usage.Amount == null) //No amount specified for this ingredient (TODO: Any way to estimate this?)
{
noMatch = true;
continue;
}
var meta = usage.Ingredient.Metadata;
if (meta == null) //TODO: Log if ingredient has no metadata
{
noMatch = true;
continue;
}
var amt = FormConversion.GetWeightForUsage(usage);
if (amt == null)
{
noMatch = true;
continue; //Cannot convert this ingredient to grams, skip it
}
var grams = amt.SizeHigh;
totalGrams += grams;
if (!(meta.FatPerUnit.HasValue && meta.SugarPerUnit.HasValue && meta.CaloriesPerUnit.HasValue && meta.SodiumPerUnit.HasValue && meta.CarbsPerUnit.HasValue))
{
noMatch = true;
}
if (meta.FatPerUnit.HasValue)
totalFat += (meta.FatPerUnit.Value*grams)/100f; //Total fat per 100g
if (meta.SugarPerUnit.HasValue)
totalSugar += (meta.SugarPerUnit.Value*grams)/100f; //Total sugar per 100g;
if (meta.CaloriesPerUnit.HasValue)
totalCal += (meta.CaloriesPerUnit.Value*grams)/100f; //Total Calories per 100g
if (meta.SodiumPerUnit.HasValue)
totalSodium += (meta.SodiumPerUnit.Value*grams)/100f; //Total sodium per 100g
if (meta.CarbsPerUnit.HasValue)
totalCarbs += (meta.CarbsPerUnit.Value*grams)/100f; //Total carbs per 100g
}
result.USDAMatch = !noMatch; //Set to true if every ingredient has an exact USDA match
//Set totals
result.Nutrition_TotalFat = (short) totalFat;
result.Nutrition_TotalSugar = (short) totalSugar;
result.Nutrition_TotalCalories = (short) totalCal;
result.Nutrition_TotalSodium = (short) totalSodium;
result.Nutrition_TotalCarbs = (short) totalCarbs;
//Flag RecipeMetadata depending on totals in recipe
if (!noMatch)
{
result.Nutrition_LowFat = totalFat <= (totalCal*.03); //Definition of Low Fat is 3g of fat per 100 Cal
result.Nutrition_LowSugar = totalSugar <= (totalCal*.02); //There is no FDA definition of "Low Sugar" (Can estimate 2g of sugar per 100 Cal or less)
result.Nutrition_LowCalorie = totalCal <= (totalGrams*1.2); //Definition of Low Calorie is 120 cal per 100g
result.Nutrition_LowSodium = totalSodium <= (totalGrams*1.4); //Definition of Low Sodium is 140mg per 100g
result.Nutrition_LowCarb = totalCarbs <= (totalCal*.05); //No definition for Low Carb, but we can use 5g per 100 Cal or less
}
}
void CategorizeSkill(Recipe recipe, CategorizationResult result)
{
//Common: Has 3 or more ingredients and all ingredients are considered "common"
result.Skill_Common = recipe.Ingredients.Length >= 3 && recipe.Ingredients.All(i => commonIngs.ContainsKey(i.Ingredient.Id));
result.Commonality = Convert.ToSingle(result.Skill_Common ? recipe.Ingredients.Average(i => commonIngs[i.Ingredient.Id].Commonality) : 0f);
//Easy: Has the word "easy" in the title, or (prep <= 15min and ingredients <= 5)
result.Skill_Easy = (recipe.Title.ToLower().Contains("easy") || (recipe.PrepTime <= 15 && recipe.Ingredients.Length <= 5));
//Quick: prep <= 10 and cooktime <= 20
result.Skill_Quick = (recipe.PrepTime <= 10 && recipe.CookTime <= 20);
}
static void CategorizeTaste(Recipe recipe, CategorizationResult result)
{
var totalMass = new Amount(0, Units.Gram);
float totalSweet = 0f, totalSpicy = 0f;
foreach (var usage in recipe.Ingredients)
{
if (usage.Amount == null) continue; //No amount specified for this ingredient (TODO: Any way to estimate this?)
if (usage.Ingredient.Metadata == null) continue; //TODO: Log if ingredient has no metadata
var meta = usage.Ingredient.Metadata;
var amt = FormConversion.GetWeightForUsage(usage);
if (amt == null) continue;
totalMass += amt;
totalSweet += (amt.SizeHigh*meta.Sweet);
totalSpicy += (amt.SizeHigh*meta.Spicy);
}
if (totalMass.SizeHigh == 0) return; //Nothing to calc, exit
var maxRating = totalMass.SizeHigh*4;
var recipeSweet = (totalSweet/maxRating); //Pct sweet the recipe is
var recipeSpicy = (totalSpicy/maxRating); //Pct spicy the recipe is
result.Taste_SavoryToSweet = Convert.ToByte(recipeSweet*100); //Scale in terms of percentage
result.Taste_MildToSpicy = Convert.ToByte(recipeSpicy*100);
}
static void CategorizeNutrition(Recipe recipe, CategorizationResult result)
{
float totalGrams = 0, totalFat = 0, totalSugar = 0, totalCal = 0, totalSodium = 0, totalCarbs = 0;
var noMatch = false;
//First, convert every ingredient to weight
foreach (var usage in recipe.Ingredients)
{
if (usage.Amount == null) //No amount specified for this ingredient (TODO: Any way to estimate this?)
{
noMatch = true;
continue;
}
var meta = usage.Ingredient.Metadata;
if (meta == null) //TODO: Log if ingredient has no metadata
{
noMatch = true;
continue;
}
var amt = FormConversion.GetWeightForUsage(usage);
if (amt == null)
{
noMatch = true;
continue; //Cannot convert this ingredient to grams, skip it
}
var grams = amt.SizeHigh;
totalGrams += grams;
if (!(meta.FatPerUnit.HasValue && meta.SugarPerUnit.HasValue && meta.CaloriesPerUnit.HasValue && meta.SodiumPerUnit.HasValue && meta.CarbsPerUnit.HasValue))
{
noMatch = true;
}
if (meta.FatPerUnit.HasValue)
{
totalFat += (meta.FatPerUnit.Value * grams) / 100f; //Total fat per 100g
}
if (meta.SugarPerUnit.HasValue)
{
totalSugar += (meta.SugarPerUnit.Value * grams) / 100f; //Total sugar per 100g;
}
if (meta.CaloriesPerUnit.HasValue)
{
totalCal += (meta.CaloriesPerUnit.Value * grams) / 100f; //Total Calories per 100g
}
if (meta.SodiumPerUnit.HasValue)
{
totalSodium += (meta.SodiumPerUnit.Value * grams) / 100f; //Total sodium per 100g
}
if (meta.CarbsPerUnit.HasValue)
{
totalCarbs += (meta.CarbsPerUnit.Value * grams) / 100f; //Total carbs per 100g
}
}
result.USDAMatch = !noMatch; //Set to true if every ingredient has an exact USDA match
//Set totals
result.Nutrition_TotalFat = (short)totalFat;
result.Nutrition_TotalSugar = (short)totalSugar;
result.Nutrition_TotalCalories = (short)totalCal;
result.Nutrition_TotalSodium = (short)totalSodium;
result.Nutrition_TotalCarbs = (short)totalCarbs;
//Flag RecipeMetadata depending on totals in recipe
if (!noMatch)
{
result.Nutrition_LowFat = totalFat <= (totalCal * .03); //Definition of Low Fat is 3g of fat per 100 Cal
result.Nutrition_LowSugar = totalSugar <= (totalCal * .02); //There is no FDA definition of "Low Sugar" (Can estimate 2g of sugar per 100 Cal or less)
result.Nutrition_LowCalorie = totalCal <= (totalGrams * 1.2); //Definition of Low Calorie is 120 cal per 100g
result.Nutrition_LowSodium = totalSodium <= (totalGrams * 1.4); //Definition of Low Sodium is 140mg per 100g
result.Nutrition_LowCarb = totalCarbs <= (totalCal * .05); //No definition for Low Carb, but we can use 5g per 100 Cal or less
}
}
