/// <summary>
/// Check whether access_token cache is created and stores if not.
/// </summary>
async Task <string> GetTokenCache()
{
var tokenCache = (Token)HttpContext.Cache.Get("access_token");
if (tokenCache == null)
{
tokenCache = await ApiEvents.GetToken();
HttpContext.Cache.Add("access_token", tokenCache, null, DateTime.Now.AddSeconds(tokenCache.expires_in),
Cache.NoSlidingExpiration, CacheItemPriority.AboveNormal, null);
}
return(tokenCache.access_token);
}
