async private void UpdateStats()
{
List <FoodItem> Items = await GlobalVariables.foodItemsDatabase.QueryById(getCurrentID());
FoodItem foodItem = Items.First();
Dictionary <int, int> dictionary = GlobalVariables.DeserializeDictionary(foodItem.ANSWERS);
frequencyRating.Text = textToRating(dictionary[1]);
healthRating.Text = textToRating(dictionary[2]);
}
private void populateFields()
{
Task.Run(async() => {
List <FoodItem> f = await GlobalVariables.foodItemsDatabase.QueryById(mID);
food = f.First();
dict = GlobalVariables.DeserializeDictionary(food.ANSWERS);
imageView.Source = ImageSource.FromStream(() => new MemoryStream(GlobalVariables.DeserializeStringToByteArray(food.IMGBYTES)));
if (EntryType == GlobalVariables.EntryType.UPDATE_ENTRY)
{
mName.Text = food.NAME;
foreach (var question in dict)
{
CustomRadioGroup group = null;
if (radioGroups.TryGetValue(question.Key, out group))
{
group.SelectedIndex = question.Value;
}
}
}
Update();
});
}
public PlanPage()
{
ContinueOption = false;
ChosenItems = new List <FoodItem>(GlobalVariables.PRACTICE_NUMBER);
InitializeComponent();
FoodItems = GlobalVariables.getFoodItems(); //populate list with all food items
//if random
NavigationPage.SetHasNavigationBar(this, false);
Randomizer randomizer = new Randomizer();
List <int> list;
if (Settings.RandomCriteriaValue == (int)GlobalVariables.RandomCriteria.Random)
{
list = randomizer.GetIndecies(GlobalVariables.PRACTICE_NUMBER, FoodItems.Count);
foreach (var i in list)
{
ChosenItems.Add(FoodItems[i]);
}
}
else if (Settings.RandomCriteriaValue == (int)GlobalVariables.RandomCriteria.Health)
{
//TODO: Change value of health from 0 to 4 to -2 to 2
// Use Math.Abs(health - 5)
// Use Math.Pow(base, exponent)
int seed = 0;
List <int> intervals = new List <int>(FoodItems.Count);
for (int f = 0; f < FoodItems.Count; f++)
{
FoodItem food = FoodItems[f];
int health = GlobalVariables.DeserializeDictionary(food.ANSWERS)[2];
seed += Math.Abs(health - 5);
for (int i = intervals.Count; i < seed; i++)
{
intervals.Add(f);
}
}
list = randomizer.GetIndecies(GlobalVariables.PRACTICE_NUMBER, seed);
foreach (var i in list)
{
ChosenItems.Add(FoodItems[intervals[i]]);
}
}
else if (Settings.RandomCriteriaValue == (int)GlobalVariables.RandomCriteria.DeltaFrequency)
{
int seed = 0;
List <int> intervals = new List <int>(FoodItems.Count);
for (int f = 0; f < FoodItems.Count; f++)
{
FoodItem food = FoodItems[f];
Dictionary <int, int> dict = GlobalVariables.DeserializeDictionary(food.ANSWERS);
int health = dict[2];
int deltaFreq = Math.Abs(dict[0] - dict[1]);
seed += (health * deltaFreq);
for (int i = intervals.Count; i < seed; i++)
{
intervals.Add(f);
}
}
list = randomizer.GetIndecies(GlobalVariables.PRACTICE_NUMBER, seed);
foreach (var i in list)
{
ChosenItems.Add(FoodItems[intervals[i]]);
}
}
else if (Settings.RandomCriteriaValue == (int)GlobalVariables.RandomCriteria.HealthAndFrequency)
{
int seed = 0;
List <int> intervals = new List <int>(FoodItems.Count);
for (int f = 0; f < FoodItems.Count; f++)
{
FoodItem food = FoodItems[f];
Dictionary <int, int> dict = GlobalVariables.DeserializeDictionary(food.ANSWERS);
int health = dict[2];
int Freq = dict[0];
seed += (health * Freq);
for (int i = intervals.Count; i < seed; i++)
{
intervals.Add(f);
}
}
list = randomizer.GetIndecies(GlobalVariables.PRACTICE_NUMBER, seed);
foreach (var i in list)
{
ChosenItems.Add(FoodItems[intervals[i]]);
}
}
}