/// <summary>
/// Sets the Cache-Control header and optionally the Expires and Vary headers.
/// </summary>
/// <param name="response"></param>
/// <param name="cacheOptions">A <see cref="CacheOptions"/> object to specify the cache settings.</param>
public static void SetCacheOptions(this IResponse response, CacheOptions cacheOptions) {
if (cacheOptions == null) {
return;
}
if (cacheOptions.Disable) {
response.Headers.CacheControl = "no-cache, no-store, must-revalidate";
response.Headers.Pragma = "no-cache";
response.Headers.Expires = "0";
return;
}
response.Headers.CacheControl = cacheOptions.ToHeaderString();
if (cacheOptions.AbsoluteExpiry.HasValue) {
response.Headers.Expires = cacheOptions.AbsoluteExpiry.Value.ToString("R");
}
if (cacheOptions.VaryByHeaders != null && cacheOptions.VaryByHeaders.Count > 0) {
response.Headers.Vary = string.Join(", ", cacheOptions.VaryByHeaders);
}
}
/// <summary>
/// Sets the Cache-Control header and optionally the Expires and Vary headers.
/// </summary>
/// <param name="response"></param>
/// <param name="cacheOptions">A <see cref="CacheOptions"/> object to specify the cache settings.</param>
public static void SetCacheOptions(this IResponse response, CacheOptions cacheOptions)
{
if (cacheOptions == null)
{
return;
}
if (cacheOptions.Disable)
{
response.Headers.CacheControl = "no-cache, no-store, must-revalidate";
response.Headers.Pragma = "no-cache";
response.Headers.Expires = "0";
return;
}
response.Headers.CacheControl = cacheOptions.ToHeaderString();
if (cacheOptions.AbsoluteExpiry.HasValue)
{
response.Headers.Expires = cacheOptions.AbsoluteExpiry.Value.ToString("R");
}
if (cacheOptions.VaryByHeaders != null && cacheOptions.VaryByHeaders.Count > 0)
{
response.Headers.Vary = string.Join(", ", cacheOptions.VaryByHeaders);
}
}
