protected IObservable <T> GetDataAsync <T>(RestfullRequest <T> request,
CachePolicy cachePolicy = CachePolicy.GetFromCacheAndUpdate)
where T : class
{
if (!_cache.IsCached <T>(request.Url))
{
Debug.WriteLine("DataProvider::Getting data:" + request.Url);
return(Observable.Create <T>(
observer =>
Scheduler.Default.Schedule(() => ExecuteRequest(request, observer))
));
}
Debug.WriteLine("DataProvider::Getting cached data:" + request.Url);
return(Observable.Create <T>(
observer =>
Scheduler.Default.Schedule(() =>
{
var item = _cache.Fetch <T>(request.Url);
observer.OnNext(item);
if (cachePolicy == CachePolicy.TryGetFromCache)
{
observer.OnCompleted();
}
else
{
var updatable = item as IUpdatableModel;
if (updatable != null)
{
CheckIfNeededToBeUpdated(request, updatable, observer);
}
else
{
Debug.WriteLine("UpdateData:" + request.Url);
ExecuteRequest(request, observer, true);
}
}
})
));
}
protected IObservable <T> GetDataAsync <T>(RestfullRequest <T> request) where T : new()
{
if (!_cache.IsCached <T>(request.Url))
{
Debug.WriteLine("Getting data:" + request.Url);
return(Observable.Create <T>(
observer =>
Scheduler.Default.Schedule(() => ExecuteRequest(request, observer))
));
}
Debug.WriteLine("Getting cached data:" + request.Url);
return(Observable.Create <T>(
observer =>
Scheduler.Default.Schedule(() =>
{
var item = _cache.Fetch <T>(request.Url);
observer.OnNext(item);
Debug.WriteLine("UpdateData:" + request.Url);
ExecuteRequest(request, observer, true);
})
));
}