private async Task <Listing> GetListing(string url, CancellationToken token, IProgress <float> progress, bool ignoreCache, Dictionary <string, string> body)
{
return(await Task.Run(async() =>
{
if (!ignoreCache && _cacheProvider != null)
{
var cacheResult = await _cacheProvider.GetListing(url);
if (cacheResult != null)
{
return cacheResult;
}
}
if (body == null)
{
//need someplace to put the redirect url
body = new Dictionary <string, string>();
}
var resultString = await _networkLayer.Get(url, token, progress, body);
Listing resultListing = null;
if (resultString.StartsWith("["))
{
var listings = JsonConvert.DeserializeObject <Listing[]>(resultString);
resultListing = new Listing {
Data = new ListingData {
Children = new List <Thing>()
}
};
foreach (var combinableListing in listings)
{
resultListing.Data.Children.AddRange(combinableListing.Data.Children);
resultListing.Kind = combinableListing.Kind;
resultListing.Data.After = combinableListing.Data.After;
resultListing.Data.Before = combinableListing.Data.Before;
}
}
else if (resultString == "\"{}\"")
{
return new Listing {
Kind = "Listing", Data = new ListingData {
Children = new List <Thing>()
}
};
}
else
{
resultListing = JsonConvert.DeserializeObject <Listing>(resultString);
}
if (body.ContainsKey("redirected-url"))
{
url = body["redirected-url"];
resultListing.RedirectedUrl = url;
}
var filteredResult = await _listingFilter.Filter(resultListing);
if (_cacheProvider != null)
{
await _cacheProvider.SetListing(url, filteredResult);
}
return filteredResult;
}));
}
