public static DataFeedsPrefetcher GetInstance()
{
if (_instance == null)
{
_instance = new DataFeedsPrefetcher();
}
return _instance;
}
public void PreFetch()
{
string[] categories = { "news", "business", "technologyscience",
"sports", "art", "design", "photography",
"fashion", "lifestyle", "travel", "movie", "music" };
//string[] categories = { "news", "business", "technologyscience" };
foreach (var category in categories)
{
var mainCat = category;
var cfb = CategoryConfigB.Config;
var subCatsStg = cfb[mainCat]["subcat"];
var subCats = subCatsStg.Split('|');
List<Dictionary<string, string>> categoryInfoList = subCats.Select(subCat => cfb[subCat]).ToList();
foreach (var item in categoryInfoList)
{
string keywords = item["keyword"];
string storageName = "fbd-prefetch-" + item["cachename"];
bool isStorageFileExisted = false;
using (IsolatedStorageFile f = IsolatedStorageFile.GetUserStoreForApplication())
{
isStorageFileExisted = f.FileExists(storageName + ".xml");
}
if (isStorageFileExisted) continue;
var dataFetcher = new DataFeedsPrefetcher();
dataFetcher.FetchFeeds(keywords, new DataModel.UserToken
{
DataFetchType = storageName,
Callback = null
});
}
}
}