public AppElementViewModel(IAppStoreItem appItem, bool usePhoneFeed)
{
if (appItem == null)
throw new ArgumentNullException("appItem");
_usePhoneFeed = usePhoneFeed;
AppStoreId = ExtractAppId(appItem.Id);
PackageFamilyName = appItem.PackageFamilyName;
ThumbnailUrl = GetThumbnailUrl(appItem);
AppName = appItem.Name;
//Price value from feed comes in en-US culture format so we need to make sure it works when OS is set to a different culture.
CultureInfo culture = CultureInfo.InvariantCulture;
NumberStyles style = NumberStyles.AllowDecimalPoint;
double price;
Double.TryParse(appItem.Price, style, culture, out price);
if (usePhoneFeed)
{
Rating = appItem.Rating / 2; // Converting rating score to [0 to 5 stars] range.
Price = price;
}
else
{
Rating = appItem.Rating; //Rating range is [0 to 5] stars
if (string.IsNullOrEmpty(appItem.Price))
{
//Discounted price is missing so use full price
Price = appItem.FullPrice;
}
else
{
Price = price;
}
}
NumRatings = appItem.NumOfReviews;
_currencySymbol = appItem.CurrencySymbol;
Category = GetCatogoryName(appItem);
if (usePhoneFeed)
{
//Remove leading characters from app Id
AppStoreLink = string.Format(_baseStoreUrlPhone, AppStoreId);
}
else
{
AppStoreLink = string.Format(_baseStoreUrl, appItem.PackageFamilyName);
}
}
private string GetThumbnailUrl(IAppStoreItem appItem)
{
if (null != appItem && null != appItem.Assets && appItem.Assets.Count > 0)
{
var asset = appItem.Assets.FirstOrDefault();
if (null != asset && null != asset.Images && asset.Images.Count > 0)
{
foreach (var image in asset.Images)
{
// Check image size to see if it's the square tile
if (image.Size == 1)
{
if (image.Url == string.Empty)
{
return "Assets/LightGray.png"; // Renturn place holder image
}
if (_usePhoneFeed)
{
return _storeImagesUrlPhone + ExtractAppId(image.Url);
}
else
{
return _storeImagesUrl + ExtractAppId(image.Url);
}
}
}
}
}
return string.Empty;
}
private string GetCatogoryName(IAppStoreItem appItem)
{
if (null != appItem && null != appItem.Category && null != appItem.Category.Name)
{
return appItem.Category.Name;
}
else
{
return _resloader.GetString("NoCategory");
}
}