/// <summary>
/// Prepares the cached entry to be consumed by the caller, notably by setting the content.
/// </summary>
/// <param name="request">The request that invoked retrieving this response and need to be attached to the response.</param>
/// <param name="cachedData">The cache data that hold the data.</param>
/// <returns>A valid HttpResponseMessage that can be consumed by the caller of this message handler.</returns>
private static HttpResponseMessage PrepareCachedEntry(HttpRequestMessage request, CacheData cachedData)
{
HttpResponseMessage copy = cachedData.CachableResponse.CopyCachable();
copy.Content = new ByteArrayContent(cachedData.Data);
copy.RequestMessage = request;
return copy;
}
/// <summary>
/// Takes an HttpResponseMessage and converts that to a <see cref="CacheData"/>.
/// </summary>
/// <param name="response">The response to put into the cache.</param>
/// <returns>A cache entry that can be placed into the cache.</returns>
public static async Task<CacheData> ToCacheEntry(this HttpResponseMessage response)
{
var data = await response.Content.ReadAsByteArrayAsync();
var copy = response.CopyCachable();
var entry = new CacheData(data, copy);
return entry;
}
/// <summary>
/// Prepares the cached entry to be consumed by the caller, notably by setting the content.
/// </summary>
/// <param name="request">The request that invoked retrieving this response and need to be attached to the response.</param>
/// <param name="cachedData">The deserialized data from the cache.</param>
/// <returns>A valid HttpResponseMessage that can be consumed by the caller of this message handler.</returns>
public static HttpResponseMessage PrepareCachedEntry(this HttpRequestMessage request, CacheData cachedData)
{
var response = cachedData.CachableResponse;
if (cachedData.Headers != null)
{
foreach (var kvp in cachedData.Headers)
{
response.Headers.TryAddWithoutValidation(kvp.Key, kvp.Value);
}
}
response.Content = new ByteArrayContent(cachedData.Data);
if (cachedData.ContentHeaders != null)
{
foreach (var kvp in cachedData.ContentHeaders)
{
response.Content.Headers.TryAddWithoutValidation(kvp.Key, kvp.Value);
}
}
response.RequestMessage = request;
return(response);
}