public async Task <List <CategoryDetailsModel> > GetCategoryDetailsAsync(bool bForece = false)
{
DateTime dateTime = IsolatedStorageHelper.GetDateTime("LastTimeRefreshOfCategory", DateTime.Now.AddHours(-25));
var diff = DateTime.Now - dateTime;
if (diff.TotalHours >= 24 || ListOfCategories.Count == 0 || bForece)
{
var categories = await _theHinduClient.GetCategoryDetailsAsync();
if (categories != null)
{
//First remove the depricated categories.
var categoriesFromDB = await DatabaseOperations.GetInstance().GetCategoriesAsync();
if (categoriesFromDB != null && categoriesFromDB.Count > 0)
{
foreach (var category in categoriesFromDB)
{
if (categories.Find(o => o.CategoryName.ToLower() == category.CategoryName.ToLower()) == null)
{
await DatabaseOperations.GetInstance().DeleteCategoryAsync(category.CategoryName);
}
}
}
//update or insert the new categories.
foreach (var category in categories)
{
await DatabaseOperations.GetInstance().UpdateCategoryAsync(category);
}
IsolatedStorageHelper.SaveSettingValueImmediately("LastTimeRefreshOfCategory", DateTime.Now);
}
await LoadCategoryDetailsAsync();
}
else if (ListOfCategories == null || ListOfCategories.Count > 0)
{
await LoadCategoryDetailsAsync();
}
return(ListOfCategories);
}
protected override async void OnInvoke(ScheduledTask task)
{
try
{
_lastCheck = IsolatedStorageHelper.GetDateTime(LastUpdateVerificationPropertyName, new DateTime(1, 1, 1));
if (_lastCheck != null)
{
if (_lastCheck.Year != 1)
{
if (IsUpdateRequired())
{
await UpdateAsync();
}
else
{
NotifyComplete();
}
}
else
{
SaveSettingValueImmediately(LastUpdateVerificationPropertyName, DateTime.Now);
NotifyComplete();
}
}
else
{
SaveSettingValueImmediately(LastUpdateVerificationPropertyName, DateTime.Now);
NotifyComplete();
}
}
catch (Exception exception)
{
if (Debugger.IsAttached)
{
Debug.WriteLine("ScheduledAgent:" + exception);
}
NotifyComplete();
}
}