//TODO; Verify the math in case of food stage with refuse
public NutritionalLabel CreateNutritionalLabel(decimal amount)
{
NutritionalLabel label = new NutritionalLabel {
Amount = amount
};
NutritionalFact calories = NutritionalFacts.FirstOrDefault(n => n.FactDefinition.Tag != null && n.FactDefinition.Tag.Equals("ENERC_KCAL"));
label.Calories = calories?.Value ?? 0;
NutritionalFact fat = NutritionalFacts.FirstOrDefault(n => n.FactDefinition.Tag.Equals("FAT"));
decimal fatValue = fat?.Value ?? 0;
label.CaloriesFromFat = FatCalorieFactor > 0 ? fatValue * FatCalorieFactor : fatValue * 9;
NutritionalFact protein = NutritionalFacts.FirstOrDefault(n => n.FactDefinition.Tag != null && n.FactDefinition.Tag.Equals("PROCNT"));
decimal proteinValue = protein?.Value ?? 0;
label.CaloriesFromProtein = ProteinCalorieFactor > 0 ? ProteinCalorieFactor * proteinValue : proteinValue * 4;
NutritionalFact carb = NutritionalFacts.FirstOrDefault(n => n.FactDefinition.Tag != null && n.FactDefinition.Tag.Equals("CHOCDF"));
decimal carbValue = carb?.Value ?? 0;
label.CaloriesFromCarb = CarbCalorieFactor > 0 ? carbValue * CarbCalorieFactor : carbValue * 4;
label = FixPercentages(label);
label = PopulateNutrient(label, false);
return(label);
}
private NutritionalLabel PopulateNutrient(NutritionalLabel label, bool complexity)
{
label.Nutrients = new List <Nutrient>();
IEnumerable <NutritionalFact> nutrientValues = complexity
? NutritionalFacts.Where(n => n.FactDefinition.Tag != "ENERC_KCAL")
: NutritionalFacts.Where(n => n.FactDefinition.Tag != "ENERC_KCAL" && n.FactDefinition.IsPrincipal);
nutrientValues = nutrientValues.OrderBy(n => n.FactDefinition.Order);
foreach (Nutrient nutrient in from nutrientValue in nutrientValues where Math.Round(nutrientValue.Value, nutrientValue.FactDefinition.DecimalRoundNumber) > 0
select new Nutrient
{
Value = Math.Round(nutrientValue.Value, nutrientValue.FactDefinition.DecimalRoundNumber),
IsTitle = nutrientValue.FactDefinition.IsTitle,
Name = nutrientValue.FactDefinition.Name,
Order = nutrientValue.FactDefinition.Order,
Type = nutrientValue.FactDefinition.Type,
Unit = nutrientValue.FactDefinition.Unit,
ShowPercentage = nutrientValue.FactDefinition.DailyValue > 0,
Percentage =
nutrientValue.FactDefinition.DailyValue > 0
? Math.Round((nutrientValue.Value / nutrientValue.FactDefinition.DailyValue) * 100, 2)
: 0
})
{
label.Nutrients.Add(nutrient);
}
return(label);
}
private async void Item_Tapped(object sender, EventArgs e)
{
var item = sender as ViewCell;
Label ingredient = (Label)item.FindByName("lblIngredient");
listView.SelectedItem = false;
_timeToresponse.IsRunning = true;
_timeToresponse.IsVisible = true;
NutritionalFacts nutritionalFactsData = await _restService.GetNutritionalData(GenerateRequestUri(Constants.EdanamAPIEndPoind, "100 gr " + ingredient.Text));
_timeToresponse.IsRunning = false;
_timeToresponse.IsVisible = false;
await Navigation.PushAsync(new NutritionalDataView()
{
Title = ingredient.Text,
BindingContext = nutritionalFactsData.totalNutrients
});
}
