/// <summary>
/// Initializes a new instance of the <see cref="ClientFlightPlacement" /> class.
/// </summary>
/// <param name="client">the client</param>
/// <param name="flight">the flight</param>
/// <param name="placement">the placement</param>
/// <param name="placementSequence">the placementSequence</param>
/// <param name="rules">the rules</param>
/// <param name="rankingGroupId">the rankingGroupId</param>
/// <param name="rankingGroupVersion">the rankingGroupVersion</param>
public ClientFlightPlacement(Client client, Flight flight, string placement, byte placementSequence, XElement rules, string rankingGroupId, int rankingGroupVersion)
{
ClientId = client.Id;
ClientAppId = client.App;
FlightId = flight.Id;
FlightVersion = flight.Version;
Placement = placement;
Key = GetKey(Client.GetKey(ClientId, ClientAppId), Flight.GetKey(FlightId, FlightVersion), Placement);
PlacementSequence = placementSequence;
Rules = rules;
DealsCountForRandomization = QueryRanking.DefaultDealsCountForRandomization;
var dealsCountForRandomizationNode = Rules.Descendants("DealsCountForRandomization").FirstOrDefault();
if (dealsCountForRandomizationNode != null)
{
int dealsCountForRandomization;
var randomizeResultsValue = dealsCountForRandomizationNode.Attribute("Value").Value;
if (int.TryParse(randomizeResultsValue, out dealsCountForRandomization))
{
DealsCountForRandomization = dealsCountForRandomization;
}
else
{
Log.Error("Incorrect NumberOfTopDealsToRandomize value in configuration: {0}", randomizeResultsValue);
}
}
FallbackToOnlineDeals = true;
var fallbackToOnlineDealsNode = Rules.Descendants("FallbackToOnlineDeals").FirstOrDefault();
if (fallbackToOnlineDealsNode != null)
{
bool fallbackToOnlineDeals;
var fallbackToOnlineDealsValue = fallbackToOnlineDealsNode.Attribute("Value").Value;
if (bool.TryParse(fallbackToOnlineDealsValue, out fallbackToOnlineDeals))
{
FallbackToOnlineDeals = fallbackToOnlineDeals;
}
else
{
Log.Error("Incorrect FallbackToOnlineDeals value in configuration: {0}", fallbackToOnlineDealsValue);
}
}
var countNode = Rules.Descendants("DefaultDealsCount").FirstOrDefault();
DefaultDealsCount = countNode == null ? (byte)50 : byte.Parse(countNode.Value);
RankingGroupId = rankingGroupId;
RankingGroupVersion = rankingGroupVersion;
RankingGroupKey = RankingGroup.GetKey(RankingGroupId, RankingGroupVersion);
}
/// <summary>
/// Gets Rank Weight
/// </summary>
/// <param name="rankingGroup">the rule</param>
/// <param name="providerId">provider id</param>
/// <param name="subProviderId">sub provider id</param>
/// <param name="categories">category names</param>
/// <param name="dealtype">the deal type</param>
/// <returns>rank weight</returns>
private static double GetRankWeight(RankingGroup rankingGroup, string providerId, string subProviderId, IList <string> categories, int dealtype)
{
var subProviderKey = string.IsNullOrEmpty(subProviderId) ? null : providerId + "/" + subProviderId.ToLower();
var wP = rankingGroup.DefaultProviderWeight;
foreach (var exception in rankingGroup.ExceptionProviderWeights)
{
if (string.Equals(exception.Provider, providerId, StringComparison.OrdinalIgnoreCase)
||
(subProviderId != null && string.Equals(exception.Provider, subProviderKey, StringComparison.OrdinalIgnoreCase)))
{
wP = exception.Weight;
break;
}
}
var wC = rankingGroup.DefaultCategoryWeight;
foreach (var exception in rankingGroup.ExceptionCategoryWeights)
{
if (categories.Any(_ => string.Equals(exception.Category, _, StringComparison.OrdinalIgnoreCase)))
{
wC = exception.Weight;
break;
}
}
var wDt = rankingGroup.DefaultDealTypeWeight;
foreach (var exception in rankingGroup.ExceptionDealTypeWeights)
{
if (exception.DealType == dealtype)
{
wDt = exception.Weight;
break;
}
}
return(wP * wC * wDt);
}
/// <summary>
/// Checks whether Campaign Rule is Satisfied
/// </summary>
/// <param name="deal">the deal</param>
/// <param name="rankingGroup">the rule</param>
/// <returns>value indicating whether rule is satisfied</returns>
private static bool AreRankingGroupRulesSatisfied(Deal deal, RankingGroup rankingGroup)
{
var res = false;
if (deal.DealType != DealType.CardLinkDeal // don't go through checks for card link deals
&&
(rankingGroup.ImageHeight != null ||
rankingGroup.PriceMinimum != null ||
rankingGroup.DiscountMinimum != null ||
rankingGroup.Categories.Any() ||
rankingGroup.Keywords.Any() ||
rankingGroup.ProblematicDealTitlePatterns.Any()))
{
do
{
// check image dimensions
if (rankingGroup.ImageHeight != null && deal.Images == null)
{
break;
}
if (rankingGroup.ImageHeight != null
&&
!deal.Images.Any(_ => _.ImageStatus == ImageStatusType.GoodImage &&
_.Height >= rankingGroup.ImageHeight &&
_.Width >= rankingGroup.ImageWidth))
{
break;
}
// check value
if (rankingGroup.PriceMinimum != null && deal.Price < rankingGroup.PriceMinimum)
{
break;
}
if (deal.DealInfo == null)
{
break;
}
if (rankingGroup.DiscountMinimum != null &&
deal.DealInfo.VoucherDiscountPercent < rankingGroup.DiscountMinimum)
{
break;
}
// check content
if (rankingGroup.Categories.Any()
&&
!deal.Categories.Any(_ => rankingGroup.Categories.Any(rc => string.Equals(rc, _.CategoryName))))
{
break;
}
if (rankingGroup.Keywords.Any())
{
if (!rankingGroup.Keywords.Any(_ => deal.Description.Contains(_) || deal.Title.Contains(_)))
{
break;
}
}
if (rankingGroup.ProblematicDealTitlePatterns.Any() && deal.Title != null)
{
// match title or businessname
if (
rankingGroup.ProblematicDealTitlePatterns.Any(
_ => ((new Regex(_, RegexOptions.IgnoreCase)).IsMatch(deal.Title)
||
(deal.Business != null &&
new Regex(_, RegexOptions.IgnoreCase).IsMatch(deal.Business.Name)))))
{
break;
}
}
res = true;
}while (false);
}
else
{
res = true;
}
return(res);
}
