public AddItemUpdate(MyDayFoodItem item)
{
myDayItem = item;
//get food item from database
var db = DataAccessor.getDataAccessor();
FoodHistoryItem foodHistoryItem = db.getFoodHistoryItem(item.id);
//store food info in NumoNameSearch var
var search = new NumoNameSearch();
this.search = search;
search.food_no = foodHistoryItem.food_no;
search.name = foodHistoryItem.DisplayName;
//create new instance to display food info
nutrFacts = new NutrFacts(this, search);
//update the values being displayed
nutrFacts.DescriptView = foodHistoryItem.DisplayName;
nutrFacts.Quantity = foodHistoryItem.Quantity.ToString();
nutrFacts.UnitPickerText = foodHistoryItem.Quantifier;
nutrFacts.selectedResult = search;
nutrFacts.updateUnitPickerWithCustomOptions();
}
//When saved, data needs to be send to the database.
public override void saveButtonClicked(object sender, EventArgs args)
{
if (nutrFacts != null)
{
var nutrQuantifier = nutrFacts.getQuantifier();
var nutrQuantity = nutrFacts.Quantity;
//save info to database here
if (selectedResult != null && nutrQuantity != null && !nutrQuantity.Equals("0") && nutrQuantifier != null && date != null)
{
var db = DataAccessor.getDataAccessor();
//Increment the times this item has been selected so it will get priority in the future
db.incrementTimesSearched(selectedResult.food_no);
FoodHistoryItem item = new FoodHistoryItem();
//need to add date, quantity, quantifiers, and food_no to this item
item.food_no = selectedResult.food_no;
item.Date = date.ToString();
item.Quantity = Convert.ToDouble(nutrQuantity);
item.Quantifier = nutrQuantifier;
//Add to our database
db.addFoodHistory(item);
// Update the undo button at the superclass level
updateUndoButton();
}
}
}
async public override void saveButtonClicked(object sender, EventArgs e)
{
var nutrQuantifier = nutrFacts.getQuantifier();
var nutrQuantity = nutrFacts.Quantity;
if (search != null && nutrQuantity != null && !nutrQuantity.Equals("0") && nutrQuantifier != null)
{
var db = DataAccessor.getDataAccessor();
FoodHistoryItem item = new FoodHistoryItem();
//need to add date, quantity, quantifiers, and food_no to this item
item.food_no = search.food_no;
item.Quantity = Convert.ToDouble(nutrQuantity);
item.Quantifier = nutrQuantifier;
item.History_Id = myDayItem.id;
//Add to our database
bool success = db.updateFoodHistory(item, saveMemento: false);
if (success)
{
await DisplayAlert("Update successful", "", "OK");
}
else
{
await DisplayAlert("Update unsuccessful", "", "OK");
}
}
MyDayFoodItem.sendRefresh();
}
public bool getLastState()
{
bool success;
if (savepoint != null)
{
DataAccessor db = DataAccessor.getDataAccessor();
success = db.rollback(this);
return(success);
}
else
{
return(false);
}
}
public void SaveButtonClicked(object sender, EventArgs e)
{
var nutrQuantifier = nutrFacts.getQuantifier();
var nutrQuantity = nutrFacts.Quantity;
if (search != null && nutrQuantity != null && !nutrQuantity.Equals("0") && nutrQuantifier != null)
{
var db = DataAccessor.getDataAccessor();
FoodHistoryItem item = new FoodHistoryItem();
//need to add date, quantity, quantifiers, and food_no to this item
item.food_no = search.food_no;
item.Quantity = Convert.ToDouble(nutrQuantity);
item.Quantifier = nutrQuantifier;
//Add to our database
db.updateFoodHistory(item, myDayItem.id);
}
MyDayFoodItem.sendRefresh();
}
//gets the multiplier to convert to grams
public static double getMultiplier(string quantifier, int food_no)
{
var quantityIndex = -1;
double multiplier = 1.0;
for (int i = 0; i < standardUnits.Length; i++)
{
if (quantifier.Equals(standardUnits[i]))
{
quantityIndex = i;
break;
}
}
if (quantityIndex >= 0)
{
multiplier = standardWeights[quantityIndex];
}
else
{
//custom units code here
var db = DataAccessor.getDataAccessor();
var convertItems = db.getCustomQuantifiers(food_no);
foreach (var item in convertItems)
{
if (item.
name.
Equals
(quantifier))
{
multiplier = item.gramsMultiplier;
break;
}
}
}
return(multiplier);
}