Ejemplo n.º 1
0
        public static bool CachResult(ExcelPackage workbook, string filename)
        {
            string    cacheKey           = System.Web.HttpContext.Current.User.Identity.Name + System.Web.HttpContext.Current.Request.RawUrl;
            var       OutputCacheManager = new OutputCacheManager();
            CacheItem item = OutputCacheManager.GetItem(cacheKey);

            if (item != null && item.ContentType == "StartRequest")
            {
                FileStream fileStream = new FileStream(FilePath(filename), FileMode.Create, FileAccess.Write);
                workbook.SaveAs(fileStream);
                fileStream.Close();
                item.Content     = filename;
                item.ContentType = "FinishRequest";

                OutputCacheManager.AddItem(cacheKey, item, DateTime.UtcNow.AddSeconds(1800));
                return(false);
            }
            else
            {
                FileStream fileStream = new FileStream(FilePath(filename), FileMode.Create, FileAccess.Write);
                workbook.SaveAs(fileStream);
                fileStream.Close();
                item.Content     = filename;
                item.ContentType = "FinishRequest";
                OutputCacheManager.AddItem(cacheKey, item, DateTime.UtcNow.AddSeconds(1800));
                return(true);
            }
        }
Ejemplo n.º 2
0
 public void OnException(ExceptionContext filterContext)
 {
     string cacheKey = System.Web.HttpContext.Current.User.Identity.Name + System.Web.HttpContext.Current.Request.RawUrl;
     var OutputCacheManager = new OutputCacheManager();
     CacheItem item = OutputCacheManager.GetItem(cacheKey);
     if (item != null)
     {
         item.ContentType = "RequestError";
         OutputCacheManager.AddItem(cacheKey, item, DateTime.UtcNow.AddSeconds(1800));
     }
 }
Ejemplo n.º 3
0
        public override void OnActionExecuting(ActionExecutingContext filterContext)
        {
            if (string.IsNullOrEmpty(System.Web.HttpContext.Current.User.Identity.Name))
            {
                ContentResult result = new ContentResult {
                    Content = "", ContentType = ""
                };
                filterContext.Result = result;
            }
            string cacheKey = System.Web.HttpContext.Current.User.Identity.Name + System.Web.HttpContext.Current.Request.RawUrl;

            if (!string.IsNullOrEmpty(cacheKey))
            {
                var       OutputCacheManager = new OutputCacheManager();
                CacheItem item = OutputCacheManager.GetItem(cacheKey);
                if (item == null)
                {
                    item = new CacheItem {
                        Content = "", ContentType = "StartRequest"
                    };
                    OutputCacheManager.AddItem(cacheKey, item, DateTime.UtcNow.AddSeconds(1800));
                }
                else if (item.ContentType == "RequestError" || (option == 1 && item.ContentType == "FinishRequest"))
                {
                    item.Content     = "";
                    item.ContentType = "StartRequest";
                    OutputCacheManager.AddItem(cacheKey, item, DateTime.UtcNow.AddSeconds(1800));
                }
                else if (item.ContentType == "FinishRequest")
                {
                    FilePathResult result = new FilePathResult(ExportCache.FilePath(item.Content), "application/vnd.ms-excel");
                    result.FileDownloadName = item.Content;
                    filterContext.Result    = result;
                }
                else
                {
                    int current = 0;
                    if (!string.IsNullOrEmpty(item.Content))
                    {
                        current = int.Parse(item.Content) + 1;
                    }
                    item.Content = current.ToString();
                    OutputCacheManager.AddItem(cacheKey, item, DateTime.UtcNow.AddSeconds(1800));
                    while (item.ContentType == "StartRequest" && item.Content == current.ToString())
                    {
                        System.Threading.Thread.Sleep(5000);
                        item = OutputCacheManager.GetItem(cacheKey);
                    }

                    if (item.ContentType == "FinishRequest")
                    {
                        FilePathResult result = new FilePathResult(ExportCache.FilePath(item.Content), "application/vnd.ms-excel");
                        result.FileDownloadName = item.Content;
                        filterContext.Result    = result;
                    }
                    else if (item.ContentType == "RequestError")
                    {
                        ContentResult result = new ContentResult
                        {
                            Content     = "Error when excute request",
                            ContentType = item.ContentType
                        };
                        filterContext.Result = result;
                    }
                    else
                    {
                        ContentResult result = new ContentResult
                        {
                            Content     = "",
                            ContentType = item.ContentType
                        };
                        filterContext.Result = result;
                    }
                }
            }
        }