public static async Task <object> ResolveFromCacheAsync(this ICacheClientAsync cache, string cacheKey, IRequest req,
CancellationToken token = default)
{
var checkModifiedSince = GetIfModifiedSince(req);
if (!req.ResponseContentType.IsBinary())
{
string modifiers = null;
if (req.ResponseContentType == MimeTypes.Json)
{
string jsonp = req.GetJsonpCallback();
if (jsonp != null)
{
modifiers = ".jsonp," + jsonp.SafeVarName();
}
}
var cacheKeySerialized = GetCacheKeyForSerialized(cacheKey, req.ResponseContentType, modifiers);
var compressionType = req.GetCompressionType();
bool doCompression = compressionType != null;
if (doCompression)
{
var cacheKeySerializedZip = GetCacheKeyForCompressed(cacheKeySerialized, compressionType);
var validCache = await cache.HasValidCacheAsync(req, cacheKeySerializedZip, checkModifiedSince, token).ConfigAwait();
if (validCache.IsValid)
{
return(HttpResult.NotModified());
}
DateTime?lastModified = validCache.LastModified;
if (req.Response.GetHeader(HttpHeaders.CacheControl) != null)
{
lastModified = null;
}
var compressedResult = await cache.GetAsync <byte[]>(cacheKeySerializedZip, token).ConfigAwait();
if (compressedResult != null)
{
return(new CompressedResult(
compressedResult,
compressionType,
req.ResponseContentType)
{
LastModified = lastModified,
});
}
}
else
{
if ((await cache.HasValidCacheAsync(req, cacheKeySerialized, checkModifiedSince, token).ConfigAwait()).IsValid)
{
return(HttpResult.NotModified());
}
var serializedResult = await cache.GetAsync <string>(cacheKeySerialized, token).ConfigAwait();
if (serializedResult != null)
{
return(serializedResult);
}
}
}
else
{
var cacheKeySerialized = GetCacheKeyForSerialized(cacheKey, req.ResponseContentType, modifiers: null);
if ((await cache.HasValidCacheAsync(req, cacheKeySerialized, checkModifiedSince, token).ConfigAwait()).IsValid)
{
return(HttpResult.NotModified());
}
var serializedResult = await cache.GetAsync <byte[]>(cacheKeySerialized, token).ConfigAwait();
if (serializedResult != null)
{
return(serializedResult);
}
}
return(null);
}
public static object ResolveFromCache(this ICacheClient cache, string cacheKey, IRequest req)
{
var checkModifiedSince = GetIfModifiedSince(req);
if (!req.ResponseContentType.IsBinary())
{
string modifiers = null;
if (req.ResponseContentType == MimeTypes.Json)
{
string jsonp = req.GetJsonpCallback();
if (jsonp != null)
{
modifiers = ".jsonp," + jsonp.SafeVarName();
}
}
var cacheKeySerialized = GetCacheKeyForSerialized(cacheKey, req.ResponseContentType, modifiers);
var compressionType = req.GetCompressionType();
bool doCompression = compressionType != null;
if (doCompression)
{
var cacheKeySerializedZip = GetCacheKeyForCompressed(cacheKeySerialized, compressionType);
if (cache.HasValidCache(req, cacheKeySerializedZip, checkModifiedSince, out var lastModified))
{
return(HttpResult.NotModified());
}
if (req.Response.GetHeader(HttpHeaders.CacheControl) != null)
{
lastModified = null;
}
var compressedResult = cache.Get <byte[]>(cacheKeySerializedZip);
if (compressedResult != null)
{
return(new CompressedResult(
compressedResult,
compressionType,
req.ResponseContentType)
{
LastModified = lastModified,
});
}
}
else
{
if (cache.HasValidCache(req, cacheKeySerialized, checkModifiedSince, out _))
{
return(HttpResult.NotModified());
}
var serializedResult = cache.Get <string>(cacheKeySerialized);
if (serializedResult != null)
{
return(serializedResult);
}
}
}
else
{
var cacheKeySerialized = GetCacheKeyForSerialized(cacheKey, req.ResponseContentType, modifiers: null);
if (cache.HasValidCache(req, cacheKeySerialized, checkModifiedSince, out _))
{
return(HttpResult.NotModified());
}
var serializedResult = cache.Get <byte[]>(cacheKeySerialized);
if (serializedResult != null)
{
return(serializedResult);
}
}
return(null);
}
