private void GetResponseAsync <T>(Dictionary <string, string> parameters, Action <TwentyThreeResult <T> > callback) where T : ITwentyThreeParsable, new()
{
CheckApiKey();
parameters["api_key"] = ApiKey;
// If performing one of the old 'flickr.auth' methods then use old authentication details.
string method = parameters["method"];
if (method.StartsWith("flickr.auth", StringComparison.Ordinal))
{
if (!string.IsNullOrEmpty(AuthToken))
{
parameters["auth_token"] = AuthToken;
}
}
var url = CalculateUri(parameters, !string.IsNullOrEmpty(sharedSecret));
lastRequest = url;
try
{
TwentyThreeResponder.GetDataResponseAsync(this, BaseUri.AbsoluteUri, parameters, (r)
=>
{
var result = new TwentyThreeResult <T>();
if (r.HasError)
{
result.Error = r.Error;
}
else
{
try
{
lastResponse = r.Result;
var t = new T();
((ITwentyThreeParsable)t).Load(r.Result);
result.Result = t;
result.HasError = false;
}
catch (Exception ex)
{
result.Error = ex;
}
}
if (callback != null)
{
callback(result);
}
});
}
catch (Exception ex)
{
var result = new TwentyThreeResult <T>();
result.Error = ex;
if (null != callback)
{
callback(result);
}
}
}
private T GetResponse <T>(Dictionary <string, string> parameters, TimeSpan cacheTimeout) where T : ITwentyThreeParsable, new()
{
// Flow for GetResponse.
// 1. Check API Key
// 2. Calculate Cache URL.
// 3. Check Cache for URL.
// 4. Get Response if not in cache.
// 5. Write Cache.
// 6. Parse Response.
CheckApiKey();
parameters["api_key"] = ApiKey;
// If performing one of the old 'flickr.auth' methods then use old authentication details.
var method = parameters["method"];
if (!string.IsNullOrEmpty(AuthToken))
{
parameters["auth_token"] = AuthToken;
}
var url = CalculateUri(parameters, !string.IsNullOrEmpty(sharedSecret));
lastRequest = url;
string responseXml;
if (InstanceCacheDisabled)
{
responseXml = TwentyThreeResponder.GetDataResponse(this, BaseUri.AbsoluteUri, parameters);
}
else
{
var urlComplete = url;
var cached = (ResponseCacheItem)Cache.Responses.Get(urlComplete, cacheTimeout, true);
if (cached != null)
{
Debug.WriteLine("Cache hit.");
responseXml = cached.Response;
}
else
{
Debug.WriteLine("Cache miss.");
responseXml = TwentyThreeResponder.GetDataResponse(this, BaseUri.AbsoluteUri, parameters);
var resCache = new ResponseCacheItem(new Uri(urlComplete), responseXml, DateTime.UtcNow);
Cache.Responses.Shrink(Math.Max(0, Cache.CacheSizeLimit - responseXml.Length));
Cache.Responses[urlComplete] = resCache;
}
}
lastResponse = responseXml;
var item = new T();
item.Load(responseXml);
return(item);
}
