private 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;
}
if (usage.Ingredient.Metadata == null)
{
continue;
}
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.TasteSavoryToSweet = Convert.ToByte(recipeSweet * 100); // Scale in terms of percentage
result.TasteMildToSpicy = Convert.ToByte(recipeSpicy * 100);
}
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);
}
private void CategorizeNutrition(Recipe recipe, CategorizationResult result)
{
float totalGrams = 0;
float totalFat = 0;
float totalSugar = 0;
float totalCal = 0;
float totalSodium = 0;
float totalCarbs = 0;
var noMatch = false;
// First, convert every ingredient to weight
foreach (var usage in recipe.Ingredients)
{
// No amount specified for this ingredient
if (usage.Amount == null)
{
noMatch = true;
continue;
}
var meta = usage.Ingredient.Metadata;
if (meta == null)
{
noMatch = true;
continue;
}
var amount = FormConversion.GetWeightForUsage(usage);
if (amount == null)
{
noMatch = true;
continue; // Cannot convert this ingredient to grams, skip it
}
var grams = amount.SizeHigh;
totalGrams += grams;
if (!(meta.FatPerUnit.HasValue && meta.SugarPerUnit.HasValue && meta.CaloriesPerUnit.HasValue &&
meta.SodiumPerUnit.HasValue && meta.CarbsPerUnit.HasValue))
{
noMatch = true;
}
else
{
totalFat += (meta.FatPerUnit.Value * grams) / 100f; // Total fat per 100g
totalSugar += (meta.SugarPerUnit.Value * grams) / 100f; // Total sugar per 100g;
totalCal += (meta.CaloriesPerUnit.Value * grams) / 100f; // Total Calories per 100g
totalSodium += (meta.SodiumPerUnit.Value * grams) / 100f; // Total sodium per 100g
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.NutritionTotalFat = (short)totalFat;
result.NutritionTotalSugar = (short)totalSugar;
result.NutritionTotalCalories = (short)totalCal;
result.NutritionTotalSodium = (short)totalSodium;
result.NutritionTotalCarbs = (short)totalCarbs;
// Flag RecipeMetadata depending on totals in recipe
if (!noMatch)
{
result.NutritionLowFat = totalFat <= (totalCal * 0.03); // Definition of Low Fat is 3g of fat per 100 Cal
result.NutritionLowSugar = totalSugar <= (totalCal * 0.02); // There is no FDA definition of "Low Sugar" (Can estimate 2g of sugar per 100 Cal or less)
result.NutritionLowCalorie = totalCal <= (totalGrams * 1.2); // Definition of Low Calorie is 120 cal per 100g
result.NutritionLowSodium = totalSodium <= (totalGrams * 1.4); // Definition of Low Sodium is 140mg per 100g
result.NutritionLowCarb = totalCarbs <= (totalCal * 0.05); // No definition for Low Carb, but we can use 5g per 100 Cal or less
}
}