private BannerDataHolder PickBannerK(Identity id, BannerQuerySetInfo info)
{
int? indexOfBannerToReturn = null;
double target = ThreadSafeRandom.NextDouble() * info.TotalRemainingImpressionsForTheCurrentTimeSlot;
Stack<int> suitableBannersIndexes = new Stack<int>();
for (int i = 0; i < info.Banners.Count && indexOfBannerToReturn == null; i++)
{
long remainingHits = info.GetRemainingHits(i);
if (remainingHits == 0) { continue; }
target -= remainingHits;
suitableBannersIndexes.Push(i);
if (target <= 0)
{
indexOfBannerToReturn = ReturnFirstBannerThatNeedsAHit(id, suitableBannersIndexes, info);
}
}
if (indexOfBannerToReturn.HasValue)
{
return info.Banners[indexOfBannerToReturn.Value];
}
else
{
return null;
}
}
private static void SetUpRequestRules(Bobs.Banner.Positions position, bool isHttpsContext, Identity id, RequestRules requestRules)
{
requestRules.Add(new BannerPositionRule(position));
requestRules.Add(id.IdentityRules);
requestRules.Add(new Rules.TypesOfRule.BannerIsLiveRule());
if (isHttpsContext)
{
requestRules.Add(new BannerIsNotHtmlRule());
}
}
private void AddBanners(int numberOfBannersToGet, Identity id, BannerQuerySetInfo info, List<BannerDataHolder> chosenBanners)
{
for (int i = 0; i < numberOfBannersToGet - chosenBanners.Count; i++)
{
BannerDataHolder banner = PickBannerK(id, info);
if (banner != null)
{
chosenBanners.Add(banner);
}
}
}
private void MakeBannerServerCall(Identity id, Banner.Positions position)
{
Server server = new Server();
BannerDataHolder bdh = server.GetBanner(position, false, id, new Bobs.BannerServer.Rules.RequestRules());
if (bdh != null)
{
LogBannerHit(id, bdh);
}
else
{
Timeslots.GetCurrentTimeslot().TotalNotShown().Increment();
}
}
private void Page_Init(object sender, System.EventArgs e)
{
if (DontRenderBannerBecauseAjaxPartialPageRequestOrCrawler)
{
return;
}
if (ContainerPage.Url.HasObjectFilter && ContainerPage.Url.ObjectFilterBob is IRelevanceContributor)
((IRelevanceContributor) ContainerPage.Url.ObjectFilterBob).AddRelevant(ContainerPage);
//ScriptManager.RegisterClientScriptInclude(this.Page, typeof (Page), "FlashReplace", "/Misc/FlashReplace.js");
this.identity = Identity.Current;
if (!ShowLinkedBanner && !ShowLinkedWootUkBanner && !ShowRoadblockedGroupPageBanner)
{
this.timeThatBannnerRequestThreadWasStarted = Time.Now;
bannerRequestThread = Utilities.GetSafeThread(this.GetBannerFromBannerServer);
//this.mainThread = System.Threading.Thread.CurrentThread;
bannerRequestThread.Start();
}
}
public List<BannerDataHolder> GetBanners(Bobs.Banner.Positions position, bool isHttpsContext, int numberOfBannersToGet, Identity id, RequestRules rules)
{
Timeslot currentTimeslot = Timeslots.GetCurrentTimeslot();
currentTimeslot.CallsToBannerServer().Increment();
SetUpRequestRules(position, isHttpsContext, id, rules);
List<BannerDataHolder> chosenBanners = new List<BannerDataHolder>(numberOfBannersToGet);
foreach (BannerQuerySetInfo bannerQuerySetInfo in rules.BannerQuerySetInfosInDescendingPriorityOrder(currentTimeslot))
{
AddBanners(numberOfBannersToGet, id, bannerQuerySetInfo, chosenBanners);
if (chosenBanners.Count == chosenBanners.Capacity) { return chosenBanners; }
}
#region REMOVED DUE TO BANNER SERVER BUG
//rules.RemoveBannersWhichHaveReachedTargetsFromCachedQuery(currentTimeslot);
#endregion
PadOutChosenBannersWithNulls(chosenBanners);
return chosenBanners;
}
public BannerDataHolder GetBanner(Bobs.Banner.Positions position, bool isHttpsContext, Identity identity, RequestRules requestRules)
{
List<BannerDataHolder> banners = GetBanners(position, isHttpsContext, 1, identity, requestRules);
return banners[0];
}
bool BannerHasBeenShownToAParticularIdentityTooManyTimesToday(BannerDataHolder bdh, Identity id)
{
if (bdh.FrequencyCapPerIdentifierPerDay > -1)
{
long numberOfTimesBannerHasBeenShownToUser = Timeslots.Today.BannerHitsForIdentity(bdh.K, id.Guid).Value;
if (numberOfTimesBannerHasBeenShownToUser >= bdh.FrequencyCapPerIdentifierPerDay)
{
return true;
}
}
return false;
}
private int? ReturnFirstBannerThatNeedsAHit(Identity id, Stack<int> suitableBanners, BannerQuerySetInfo info)
{
double hitProportion = Common.ThreadSafeRandom.NextDouble();
while (suitableBanners.Count > 0)
{
int index = suitableBanners.Peek();
BannerDataHolder banner = info.Banners[index];
if (BannerHasBeenShownToAParticularIdentityTooManyTimesToday(banner, id) || info.BannerNeedsToDropAHit(index, hitProportion))
{
suitableBanners.Pop();
continue;
}
return suitableBanners.Peek();
}
return null;
}
private static void LogBannerHit(Identity id, BannerDataHolder bdh)
{
Banner b = new Banner(bdh.K);
b.RegisterHit(id);
}
public void RegisterHit(Identity id)
{
Timeslot currentTimeslot = Timeslots.GetCurrentTimeslot();
BannerTimeslotInfo bannerTimeslotInfo = new BannerTimeslotInfo(K, currentTimeslot);
bannerTimeslotInfo.ActualHits.Increment();
bool isUniqueVisitorHit = Timeslots.Today.BannerHitsForIdentity(K, id.Guid).Increment() == 1;
this.TotalHitsCounter.Increment();
Bobs.BannerStat.Log(this.K, this.Position, DateTime.Today, 1, isUniqueVisitorHit ? 1 : 0, 0);
}