public override async Task OnActionExecutionAsync(
ActionExecutingContext context, ActionExecutionDelegate next)
{
// Do we have a IRedisService implementation?
try
{
RedisService = context.HttpContext
.RequestServices.GetService <IRedisService>();
}
catch (InvalidOperationException)
{
// Caching has not been configured
await next();
return;
}
// Attempt to get the response data from the Redis cache
CacheKey = CacheKey.Format((IDictionary)context.ActionArguments);
var result = await RedisService.GetCachedResult(CacheKey);
if (result != null)
{
context.Result = result;
return;
}
// Execute the action normally, and then cache the result
ActionExecutedContext executedContext = await next();
await RedisService.CacheResult(
CacheKey, executedContext.Result as ApiResult,
expire : Expire
);
}