async Task <T> Execute <T, T2>(RestRequestWithCache request, Func <IRestResponse <T2>, T> selector, string url = null)
where T : class, new()
where T2 : class, new()
{
var cacheStyle = request.CacheSyle;
var restClient = CreateClient(url);
switch (cacheStyle)
{
case RestRequestWithCache.CacheStyle.None:
break;
case RestRequestWithCache.CacheStyle.Immutable:
var item = cache.Get(CacheKey <T>(restClient, request));
if (item != null)
{
return((T)item);
}
break;
case RestRequestWithCache.CacheStyle.IfNotModified:
var obj = cache.Get(CacheKey <T>(restClient, request));
if (obj != null)
{
var tuple = (Tuple <string, T>)obj;
request.AddHeader("If-None-Match", tuple.Item1);
}
break;
}
LogRequest(request);
var response = await restClient.ExecuteTaskAsync <T2>(request).ConfigureAwait(false);
CleanResponse(response);
var data = default(T);
switch (cacheStyle)
{
case RestRequestWithCache.CacheStyle.Immutable:
if (response.StatusCode == HttpStatusCode.OK)
{
data = ProcessResponse(selector, response);
CacheData(request, restClient, data);
}
break;
case RestRequestWithCache.CacheStyle.IfNotModified:
switch (response.StatusCode)
{
case HttpStatusCode.OK:
data = ProcessResponse(selector, response);
var etag = response.Headers.FirstOrDefault(h => h.Name == "ETag");
if (etag != null)
{
CacheData(request, restClient, Tuple.Create(etag.Value.ToString(), data));
}
break;
case HttpStatusCode.NotModified:
LogResponse(response);
var obj = cache.Get(CacheKey <T>(restClient, request));
if (obj != null)
{
var tuple = (Tuple <string, T>)obj;
data = tuple.Item2;
}
break;
}
break;
default:
data = ProcessResponse(selector, response);
break;
}
return(data);
}
T Execute <T>(RestRequestWithCache request, Func <IRestResponse, T> selector, string baseUrl = null)
{
var cacheStyle = request.CacheSyle;
var restClient = CreateClient(baseUrl);
switch (cacheStyle)
{
case RestRequestWithCache.CacheStyle.None:
break;
case RestRequestWithCache.CacheStyle.Immutable:
var item = cache.Get(CacheKey <T>(restClient, request));
if (item != null)
{
return((T)item);
}
break;
case RestRequestWithCache.CacheStyle.IfNotModified:
var obj = cache.Get(CacheKey <T>(restClient, request));
if (obj != null)
{
var tuple = (Tuple <string, T>)obj;
request.AddHeader("If-None-Match", tuple.Item1);
}
break;
}
LogRequest(request);
var response = restClient.Execute(request);
var data = default(T);
switch (cacheStyle)
{
case RestRequestWithCache.CacheStyle.Immutable:
if (response.StatusCode == HttpStatusCode.OK)
{
data = ProcessResponse(selector, response);
CacheData(request, restClient, data);
}
// https://github.com/Particular/FeatureDevelopment/issues/296
else if (response.StatusCode == HttpStatusCode.NoContent)
{
data = ProcessResponse(selector, response);
CacheData(request, restClient, data);
}
break;
case RestRequestWithCache.CacheStyle.IfNotModified:
switch (response.StatusCode)
{
case HttpStatusCode.OK:
data = ProcessResponse(selector, response);
var etag = response.Headers.FirstOrDefault(h => h.Name == "ETag");
if (etag != null)
{
CacheData(request, restClient, Tuple.Create(etag.Value.ToString(), data));
}
break;
case HttpStatusCode.NotModified:
LogResponse(response);
var obj = cache.Get(CacheKey <T>(restClient, request));
if (obj != null)
{
var tuple = (Tuple <string, T>)obj;
data = tuple.Item2;
}
break;
}
break;
default:
data = ProcessResponse(selector, response);
break;
}
return(data);
}
