/// <summary>
/// Returns a string of nutrient content information for display purposes
/// </summary>
/// <remarks>
/// Simliar to <see cref="GetNutrientValue(string, string)"/>, but instead of returning a double this method returns a string for display in nutrition labels
/// </remarks>
/// <param name="nutrientId">The string identifier of the target <see cref="Nutrient"/> record</param>
/// <param name="type">A string representation of the detail expected in <see cref="Nutrient"/> record</param>
/// <returns>A string representinng specified nutrition content</returns>
public string GetNutrientDisplayValue(string nutrientId, string type)
{
if (Nutrients == null || Nutrients.Count == 0)
{
return("");
}
else
{
Nutrient nutrient = Nutrients.Where(x => x.NId == nutrientId).FirstOrDefault();
if (nutrient == null)
{
return("");
}
else
{
if (type == "regular")
{
return($"{String.Format("{0:0.##}", (nutrient.Measures.Where(x => (x.Label == SelectedPortionLabel) && (x.Qty == SelectedPortionQty)).FirstOrDefault().Value * NumberOfServings))} {nutrient.Unit}");
}
else if (type == "explore")
{
return($"{String.Format("{0:0.##}", nutrient.Value)} {nutrient.Unit}");
}
else
{
return("");
}
}
}
}
/// <summary>
/// Used to determine and retrieve the specified nutrient content in a food based on target nutrient, portion type, and quantity
/// </summary>
/// <remarks>
/// Unlike <see cref="GetNutrientDisplayValue(string, string)"/>, this method is used during the meal logging process
/// </remarks>
/// <param name="nutrientId">The string identifier of the target <see cref="Nutrient"/> record</param>
/// <param name="type">A string representation of the detail expected in <see cref="Nutrient"/> record</param>
/// <returns>A double value representing total content of specified nutrient</returns>
public double GetNutrientValue(string nutrientId, string type)
{
if (Nutrients == null || Nutrients.Count == 0)
{
return(0);
}
else
{
Nutrient nutrient = Nutrients.Where(x => x.NId == nutrientId).FirstOrDefault();
if (nutrient == null)
{
return(0);
}
else
{
if (type == "regular")
{
return(Convert.ToDouble(nutrient.Measures.Where(x => (x.Label == SelectedPortionLabel) && (x.Qty == SelectedPortionQty)).FirstOrDefault().Value *NumberOfServings));
}
else if (type == "explore" || type == "noMeasure")
{
return(Convert.ToDouble(nutrient.Value));
}
else
{
return(0);
}
}
}
}