//Create a FoodItem from a series of food data, along with the appropriate multiplie to get to 100g units.
public FoodItem(List <NutData> values, double multiplier)
{
nutrients = new List <Nutrient>();
foreach (var value in values)
{
Nutrient nutrient = new Nutrient();
nutrient.quantity = value.nutr_value * multiplier / 100;
nutrient.dbNo = value.nutr_no;
switch (value.nutr_no)
{
case 208:
nutrient.name = "Calories";
nutrient.quantifier = "kcal";
break;
case 203:
nutrient.name = "Protein(g)";
nutrient.quantifier = "g";
break;
case 205:
nutrient.name = "Carbohydrates(g)";
nutrient.quantifier = "g";
break;
case 269:
nutrient.name = "Total Sugars(g)";
nutrient.quantifier = "g";
break;
case 291:
nutrient.name = "Total Dietary Fiber(g)";
nutrient.quantifier = "g";
break;
case 301:
nutrient.name = "Calcium(mg)";
nutrient.quantifier = "mg";
break;
case 303:
nutrient.name = "Iron(mg)";
nutrient.quantifier = "mg";
break;
case 304:
nutrient.name = "Magnesium(mg)";
nutrient.quantifier = "mg";
break;
case 305:
nutrient.name = "Phosphorus(mg)";
nutrient.quantifier = "mg";
break;
case 306:
nutrient.name = "Potassium(mg)";
nutrient.quantifier = "mg";
break;
case 307:
nutrient.name = "Sodium(mg)";
nutrient.quantifier = "g";
break;
case 309:
nutrient.name = "Zinc(mg)";
nutrient.quantifier = "mg";
break;
case 312:
nutrient.name = "Copper(mg)";
nutrient.quantifier = "mg";
break;
case 315:
nutrient.name = "Magnanese(mg)";
nutrient.quantifier = "mg";
break;
case 317:
nutrient.name = "Selenium(µg)";
nutrient.quantifier = "µg";
break;
case 320:
nutrient.name = "Vitamin A RAE(µg)";
nutrient.quantifier = "µg";
break;
case 323:
nutrient.name = "Vitamin E(mg)";
nutrient.quantifier = "mg";
break;
case 401:
nutrient.name = "Vitamin C(mg)";
nutrient.quantifier = "mg";
break;
case 404:
nutrient.name = "Thiamin(mg)";
nutrient.quantifier = "mg";
break;
case 405:
nutrient.name = "Riboflavin(mg)";
nutrient.quantifier = "mg";
break;
case 406:
nutrient.name = "Niacin(mg)";
nutrient.quantifier = "mg";
break;
case 410:
nutrient.name = "Pantothenic Acid(mg)";
nutrient.quantifier = "mg";
break;
case 415:
nutrient.name = "Vitamin B6(mg)";
nutrient.quantifier = "mg";
break;
case 417:
nutrient.name = "Folate(µg)";
nutrient.quantifier = "µg";
break;
case 418:
nutrient.name = "Vitamin B12(µg)";
nutrient.quantifier = "µg";
break;
case 430:
nutrient.name = "Vitamin K(µg)";
nutrient.quantifier = "µg";
break;
case 618:
nutrient.name = "Omega 6 1(g)";
nutrient.quantifier = "g";
break;
case 670:
nutrient.name = "Omega 6 2(g)";
nutrient.quantifier = "g";
break;
case 672:
nutrient.name = "Omega 6 3(g)";
nutrient.quantifier = "g";
break;
case 685:
nutrient.name = "Omega 6 4(g)";
nutrient.quantifier = "g";
nutrients.Add(nutrient);
nutrient = new Nutrient();
nutrient.name = "Omega 3 7(g)";
nutrient.quantifier = "g";
nutrient.quantity = value.nutr_value / 100;
break;
case 620:
nutrient.name = "Omega 6 5(g)";
nutrient.quantifier = "g";
break;
case 853:
nutrient.name = "Omega 6 6(g)";
nutrient.quantifier = "g";
break;
case 619:
nutrient.name = "Omega 3 1(g)";
nutrient.quantifier = "g";
break;
case 858:
nutrient.name = "Omega 3 2(g)";
nutrient.quantifier = "g";
break;
case 852:
nutrient.name = "Omega 3 3(g)";
nutrient.quantifier = "g";
break;
case 621:
nutrient.name = "Omega 3 4(g)";
nutrient.quantifier = "g";
break;
case 629:
nutrient.name = "Omega 3 5(g)";
nutrient.quantifier = "g";
break;
case 631:
nutrient.name = "Omega 3 6(g)";
nutrient.quantifier = "g";
break;
default:
break;
}
if (nutrient.name != null)
{
nutrients.Add(nutrient);
}
}
//Special logic for totaling up omega 6 nutrient and omega 3 nutrient
Nutrient omega6 = new Nutrient();
omega6.name = "Omega 6 total(g)";
omega6.quantifier = "g";
omega6.quantity = 0;
var omega6elements = nutrients.FindAll(i => i.name.Equals("Omega 6 1(g)") || i.name.Equals("Omega 6 2(g)") || i.name.Equals("Omega 6 3(g)") || i.name.Equals("Omega 6 4(g)") || i.name.Equals("Omega 6 5(g)") || i.name.Equals("Omega 6 6(g)"));
foreach (var element in omega6elements)
{
omega6.quantity += element.quantity;
}
//This entry is subtracted from our total due to direction from Ed Dratz
var omega6special = nutrients.Find(i => i.name.Equals("Omega 6 2(g)"));
if (omega6special != null)
{
omega6.quantity -= 2 * omega6special.quantity;
}
if (omega6.quantity > 0)
{
nutrients.Add(omega6);
}
Nutrient omega3 = new Nutrient();
omega3.name = "Omega 3 total(g)";
omega3.quantifier = "g";
omega3.quantity = 0;
var omega3elements = nutrients.FindAll(i => i.name.Equals("Omega 3 1(g)") || i.name.Equals("Omega 3 2(g)") || i.name.Equals("Omega 3 3(g)") || i.name.Equals("Omega 3 4(g)") || i.name.Equals("Omega 3 5(g)") || i.name.Equals("Omega 3 6(g)") || i.name.Equals("Omega 3 7(g)"));
foreach (var element in omega3elements)
{
omega3.quantity += element.quantity;
}
//This entry is subtracted from our total due to direction from Ed Dratz
var omega3special = nutrients.Find(i => i.name.Equals("Omega 3 7(g)"));
if (omega3special != null)
{
omega3.quantity -= 2 * omega3special.quantity;
}
if (omega3.quantity > 0)
{
nutrients.Add(omega3);
}
calculate63ratio(nutrients);
Nutrient netCarbs = new Nutrient();
netCarbs.name = "Net Carbohydrates(g)";
netCarbs.quantifier = "g";
var totalCarbs = nutrients.Find(i => i.name.Equals("Carbs By Diff(g)"));
if (totalCarbs != null)
{
netCarbs.quantity = totalCarbs.quantity;
var dietaryFiber = nutrients.Find(i => i.name.Equals("Total Dietary Fiber(g)"));
if (dietaryFiber != null)
{
netCarbs.quantity -= dietaryFiber.quantity;
}
nutrients.Add(netCarbs);
}
}
//Create food item from user data and save to database
async void saveButtonClicked(object sender, EventArgs args)
{
//check if inputs are valid
if (CreateItemName.Text == null || CreateItemName.Text == "")
{
await DisplayAlert("Please input NAME", "", "OK");
}
else if (quantity.Text == null || quantity.Text == "" || quantity.Text == "0")
{
await DisplayAlert("Please input QUANTITY", "example: 1.5 or 3", "OK");
}
else if (quantifier.Text == null || quantifier.Text == "")
{
await DisplayAlert("Please input SERVING", "", "OK");
}
else if (gramsAmount.Text == null || gramsAmount.Text == "")
{
await DisplayAlert("Please input GRAMS", "", "OK");
}
else //perform save
{
var db = DataAccessor.getDataAccessor();
var nutrientList = new List <Nutrient>();
//multiplier deals with getting food to the 100g rate by the time it's in the db.
var multiplier = 1 / Convert.ToDouble(gramsAmount.Text);
foreach (var item in nutrientSection)
{
var entryCellItem = (EntryCell)item;
if (Convert.ToDouble(entryCellItem.Text) > 0)
{
var oldNutrient = nutrientList.FindLast(i => i.dbNo == mappings[Array.IndexOf(inputValues, entryCellItem.Label)]);
if (oldNutrient == null)
{
var nutrient = new Nutrient();
nutrient.dbNo = mappings[Array.IndexOf(inputValues, entryCellItem.Label)];
nutrient.quantity = Convert.ToDouble(entryCellItem.Text) * multiplier;
nutrientList.Add(nutrient);
}
else
{
oldNutrient.quantity += Convert.ToDouble(entryCellItem.Text) * multiplier;
}
}
}
//check if there were any nutrients input
if (nutrientList.Count == 0)
{
await DisplayAlert("Please input NUTRIENTS", "", "OK");
}
else
{
//servingMultiplier for the custom unit
var servingMultiplier = Convert.ToDouble(quantity.Text) / (multiplier);
//put into database
db.createFoodItem(nutrientList, CreateItemName.Text, servingMultiplier, quantifier.Text.ToString());
//wipe inputs
foreach (var item in nutrientSection)
{
var entryCellItem = (EntryCell)item;
entryCellItem.Text = "0";
}
quantity.Text = "";
quantifier.Text = "";
gramsAmount.Text = "";
CreateItemName.Text = "";
//alert user it was saved
await DisplayAlert("Item Saved", "", "OK");
}
}
}
