public async Task SetAsync(string key, IResponseCacheEntry entry, TimeSpan validFor)
{
object serializableEntry = null;
if (entry is CachedResponse cachedResponse)
{
serializableEntry = SerializableCachedResponse.From(cachedResponse);
}
else if (entry is CachedVaryByRules varyByRules)
{
serializableEntry = SerializableCacheVaryByRules.From(varyByRules);
}
using var stream = new MemoryStream();
using (var writer = new BinaryWriter(stream, Encoding.UTF8, true))
{
writer.Write(serializableEntry.GetType().Name);
writer.Flush();
}
await JsonSerializer.SerializeAsync(stream, serializableEntry, serializableEntry.GetType());
await cache.SetAsync(key, stream.ToArray(), new DistributedCacheEntryOptions
{
AbsoluteExpirationRelativeToNow = validFor
});
}
public static SerializableCachedResponse From(CachedResponse cachedResponse)
{
if (cachedResponse == null)
{
return(null);
}
var response = new SerializableCachedResponse
{
Created = cachedResponse.Created,
StatusCode = cachedResponse.StatusCode,
Headers = cachedResponse.Headers
.Select(header => new KeyValuePair <string, List <string> >(header.Key, header.Value.ToList()))
.ToList()
};
if (cachedResponse.Body != null)
{
using var stream = new MemoryStream();
cachedResponse.Body.CopyTo(stream);
response.Body = stream.ToArray();
}
return(response);
}