/// <summary>
/// Constructor
/// </summary>
/// <param name="model"></param>
public LocationPriceModelView(LocationPriceViewModel model)
{
InitializeComponent();
Title = model.ShoppingListName;
BindingContext = model;
}
/// <summary>
/// Method to compare prices for the given locations and put the results in the LocationPriceModels
/// </summary>
/// <param name="locations"></param>
private void ComparePrices(IEnumerable <LocationModel> locations)
{
// Loop through the locations
foreach (var location in locations)
{
try
{
// Create a new location price model for this location
var lpm = new LocationPriceViewModel()
{
Location = location,
ShoppingListName = shoppingList.Name
};
// Loop through each iqp in the shopping list
foreach (var item in shoppingList.Items)
{
// Get the best ipl match for the iqp
var ipl = GetBestMatch(item, location);
if (ipl == null)
{
break;
}
// Create an ItemMatch to be added to the LocationPriceViewModel
var itemMatch = new ItemMatchViewModel()
{
Iqp = item,
Matched = false,
};
// Calculate price and set attributes if ipl match has been found
if (ipl != null)
{
var price = CalculatePrice(item, ipl);
lpm.Price += price;
lpm.NumberOfItemsMatched++;
itemMatch.Matched = true;
itemMatch.Price = Math.Round(price, 2);
itemMatch.MatchedTo = ipl.Name;
itemMatch.ImageUrl = ipl.ImageUrl;
}
// Add the match item to the LocationPriceViewModel
lpm.ItemMatches.Add(itemMatch);
}
// Round the price
lpm.Price = Math.Round(lpm.Price, 2);
// Add the LocationPriceViewModel to the collection
if (lpm.NumberOfItemsMatched != 0)
{
locationPriceModels.Add(lpm);
}
// Remove the refreshing icon
ShoppingListsView.IsRefreshing = false;
}
catch (Exception e)
{
App.Log.Error("ComparePrices", e.Message + "\n" + e.StackTrace);
}
}
}
