public NutritionFactsViewModel(NutritionFacts nutFacts)
{
if (nutFacts != null)
{
Calories = nutFacts.Calories;
TotalCarbohydrate = nutFacts.TotalCarbohydrate;
TotalFat = nutFacts.TotalFat;
SaturatedFat = nutFacts.SaturatedFat;
Protein = nutFacts.Protein;
Cholesterol = nutFacts.Cholesterol;
Sugars = nutFacts.Sugars;
Sodium = nutFacts.Sodium;
}
}
private static NutritionFacts SumIngredientsNutritionFacts(List<Ingredient> ingredients)
{
NutritionFacts nutFactsSum = new NutritionFacts();
foreach (Ingredient ingredient in ingredients)
{
nutFactsSum += (ingredient.NutritionFacts * (ingredient.Amount.Weight / 100));
}
return nutFactsSum;
}
public NutritionFacts NutDataListToNutritionFacts(List<NUT_DATA> nutList)
{
log.InfoFormat("[NutDataListToNutritionFacts] nutList.Count={0}", nutList.Count);
NutritionFacts returnValue = new NutritionFacts();
try
{
foreach (var nut in nutList)
{
NutritionData tempNutritionData = NutDataToNutritionData(nut);
returnValue.FullNutrisionList.Add(tempNutritionData);
if (nut.Nutr_Val.HasValue)
{
switch (tempNutritionData.Nutr_No)
{
case 203:
returnValue.Protein = nut.Nutr_Val.Value;
break;
case 204:
returnValue.TotalFat = nut.Nutr_Val.Value;
break;
case 205:
returnValue.TotalCarbohydrate = nut.Nutr_Val.Value;
break;
case 269:
returnValue.Sugars = nut.Nutr_Val.Value;
break;
case 307:
returnValue.Sodium = nut.Nutr_Val.Value;
break;
case 601:
returnValue.Cholesterol = nut.Nutr_Val.Value;
break;
case 606:
returnValue.SaturatedFat = nut.Nutr_Val.Value;
break;
default:
break;
}//switch
}
}
}
catch (Exception e)
{
log.ErrorFormat("[NutDataListToNutritionFacts] Exception={0}", e);
}
return returnValue;
}
private static List<Ingredient> ExtractIngredients(HtmlNode ingredientsNode)
{
List<Ingredient> ingredients = new List<Ingredient>();
string[] ingredientLines = ingredientsNode.InnerHtml.Split(new string[] { "<br>" }, StringSplitOptions.RemoveEmptyEntries);
foreach (string ingredientLine in ingredientLines)
{
string ingredientName = ingredientLine;
Fraction incredientAmountFraction = Fraction.Zero;
double incredientWeight = 1;
string[] ingredientParsed = null;
string measureUnit = GetMeasureUnit(ingredientLine);
if (measureUnit != null)
{
ingredientParsed = ingredientLine.Split(new string[] { measureUnit }, StringSplitOptions.RemoveEmptyEntries);
}
else
{
ingredientParsed = ingredientLine.Split(null as string[], 2, StringSplitOptions.RemoveEmptyEntries);
}
try
{
if (ingredientParsed.Length == 1)
{
incredientAmountFraction = new Fraction(1);
ingredientName = ingredientParsed[0].Trim(' ', '-');
}
else
{
string incredientAmount = ingredientParsed[0]
.Trim(' ', '-')
.Replace("חצי", "1/2").Replace("½", "1/2")
.Replace("שליש", "1/3")
.Replace("רבע", "1/4");
incredientAmountFraction = new Fraction(incredientAmount);
ingredientName = ingredientParsed[1].Trim(' ', '-');
if (measureUnit != null)
{
incredientWeight = incredientAmountFraction.ToDouble() * IncredientAmount.MEASURE_UNITS[measureUnit];
}
}
}
catch (Exception e)
{
log.WarnFormat("Failed to parse ingredient: {0} {1}", ingredientLine, e);
}
ProductBasicData product = FindProductByName(ingredientName);
string productId = null, productName = null;
NutritionFacts nutFacts = new NutritionFacts();
if (product != null)
{
productId = product.ProductId;
productName = product.ProductName;
if (product.ExtendedData != null && product.ExtendedData.NutritionTable != null)
{
nutFacts = new NutritionFacts(product.ExtendedData.NutritionTable);
}
}
Ingredient ingredient = new Ingredient()
{
Name = ingredientName,
ProductId = productId,
ProductName = productName,
NutritionFacts = nutFacts,
Amount = new IncredientAmount()
{
MeasureUnit = measureUnit,
Amount = incredientAmountFraction,
Weight = incredientWeight
}
};
ingredients.Add(ingredient);
}
return ingredients;
}