private SlideShowPageState GetPageState()
{
try
{
SlideShowPageState pagestate = new SlideShowPageState();
// Initialize the session values if they don't exist - need to do this the first time controller is hit
if (Session["SlideShowPageState"] == null)
{
int accountid = 0;
if (Session["UserAccountID"] != null)
{
accountid = Convert.ToInt32(Session["UserAccountID"]);
}
pagestate.AccountID = accountid;
pagestate.SlideShowName = String.Empty;
pagestate.Tag = String.Empty;
pagestate.IncludeInactive = false;
pagestate.SortBy = "SlideShowName";
pagestate.AscDesc = "Ascending";
pagestate.PageNumber = 1;
Session["SlideShowPageState"] = pagestate;
}
else
{
pagestate = (SlideShowPageState)Session["SlideShowPageState"];
}
return(pagestate);
}
catch { return(new SlideShowPageState()); }
}
private void SavePageState(SlideShowPageState pagestate)
{
Session["SlideShowPageState"] = pagestate;
}
//
// GET: /SlideShow/
public ActionResult Index()
{
try
{
if (Session["UserAccountID"] == null)
{
return(RedirectToAction("Validate", "Login"));
}
User user = (User)Session["User"];
ViewData["LoginInfo"] = Utility.BuildUserAccountString(user.Username, Convert.ToString(Session["UserAccountName"]));
if (user.IsAdmin)
{
ViewData["txtIsAdmin"] = "true";
}
else
{
ViewData["txtIsAdmin"] = "false";
}
// Initialize or get the page state using session
SlideShowPageState pagestate = GetPageState();
// Get the account id
int accountid = 0;
if (Session["UserAccountID"] != null)
{
accountid = Convert.ToInt32(Session["UserAccountID"]);
}
// Set and save the page state to the submitted form values if any values are passed
if (Request.Form["lstAscDesc"] != null)
{
pagestate.AccountID = accountid;
pagestate.SlideShowName = Request.Form["txtSlideShowName"].ToString().Trim();
pagestate.Tag = Request.Form["txtTag"].ToString().Trim();
if (Request.Form["chkIncludeInactive"].ToLower().StartsWith("true"))
{
pagestate.IncludeInactive = true;
}
else
{
pagestate.IncludeInactive = false;
}
pagestate.SortBy = Request.Form["lstSortBy"].ToString().Trim();
pagestate.AscDesc = Request.Form["lstAscDesc"].ToString().Trim();
pagestate.PageNumber = Convert.ToInt32(Request.Form["txtPageNumber"].ToString().Trim());
SavePageState(pagestate);
}
// Add the session values to the view data so they can be populated in the form
ViewData["AccountID"] = pagestate.AccountID;
ViewData["SlideShowName"] = pagestate.SlideShowName;
ViewData["Tag"] = pagestate.Tag;
ViewData["IncludeInactive"] = pagestate.IncludeInactive;
ViewData["SortBy"] = pagestate.SortBy;
ViewData["SortByList"] = new SelectList(BuildSortByList(), "Value", "Text", pagestate.SortBy);
ViewData["AscDescList"] = new SelectList(BuildAscDescList(), "Value", "Text", pagestate.AscDesc);
// Determine asc/desc
bool isdescending = false;
if (pagestate.AscDesc.ToLower().StartsWith("d"))
{
isdescending = true;
}
// Get a Count of all filtered records
int recordcount = repository.GetSlideShowRecordCount(pagestate.AccountID, pagestate.SlideShowName, pagestate.Tag, pagestate.IncludeInactive);
// Determine the page count
int pagecount = 1;
if (recordcount > 0)
{
pagecount = recordcount / Constants.PageSize;
if (recordcount % Constants.PageSize != 0) // Add a page if there are more records
{
pagecount = pagecount + 1;
}
}
// Make sure the current page is not greater than the page count
if (pagestate.PageNumber > pagecount)
{
pagestate.PageNumber = pagecount;
SavePageState(pagestate);
}
// Set the page number and account in viewdata
ViewData["PageNumber"] = Convert.ToString(pagestate.PageNumber);
ViewData["PageCount"] = Convert.ToString(pagecount);
ViewData["RecordCount"] = Convert.ToString(recordcount);
ViewResult result = View(repository.GetSlideShowPage(pagestate.AccountID, pagestate.SlideShowName, pagestate.Tag, pagestate.IncludeInactive, pagestate.SortBy, isdescending, pagestate.PageNumber, pagecount));
result.ViewName = "Index";
return(result);
}
catch (Exception ex)
{
Helpers.SetupApplicationError("SlideShow", "Index", ex.Message);
return(RedirectToAction("Index", "ApplicationError"));
}
}