public void Filter(UserSearchPipelineResult pipelineResult, UserSearchPipelineRequest request)
{
if (pipelineResult == null) throw new ArgumentNullException("pipelineResult");
if (pipelineResult.ScoredInterests == null) throw new ArgumentNullException("pipelineResult", "Scored results should be provided");
pipelineResult.ScoredInterests = pipelineResult.ScoredInterests.Where(x => x.Score >= Constants.EXPLICIT_SEARCH_INTEREST_THRESHOLD).ToList();
}
public void Filter(UserSearchPipelineResult pipelineResult, UserSearchPipelineRequest request)
{
if (pipelineResult == null) throw new ArgumentNullException("pipelineResult");
if (pipelineResult.ScoredInterests == null) throw new ArgumentNullException("pipelineResult", "Scored results should be provided");
_mainCategoryScoreCalculator.CalculateMainCategoryScores(pipelineResult.ScoredInterests);
}
public void Filter(UserSearchPipelineResult pipelineResult, UserSearchPipelineRequest request)
{
if (pipelineResult == null) throw new ArgumentNullException("pipelineResult");
if (pipelineResult.ScoredInterests == null) throw new ArgumentNullException("pipelineResult", "Scored results should be provided");
pipelineResult.ScoredInterests = _closeInterestLimiter.LimitCloseInterests(pipelineResult.ScoredInterests).Cast<ScoredRelatedInterestDto>().ToList();
}
public void Filter(UserSearchPipelineResult pipelineResult, UserSearchPipelineRequest request)
{
if (pipelineResult == null) throw new ArgumentNullException("pipelineResult");
if (request == null) throw new ArgumentNullException("request", "Location data is required");
if (request.LocationData == null) throw new ArgumentNullException("request", "Location data is required");
var geo = new GeoCoordinate(request.LocationData.Latitude, request.LocationData.Longitude);
foreach (var user in pipelineResult.Users)
{
var distanceTo = (float) geo.GetDistanceTo(new GeoCoordinate(user.Latitude, user.Longitude));
float miles = distanceTo / _metersToMiles;
var res = (int) Math.Round(miles, 0, MidpointRounding.AwayFromZero);
float locationMultiplier = (Constants.LOCATION_MAX_MILES - res) * Constants.LOCATION_MILE_MULTIPLIER;
if (Math.Abs(locationMultiplier) < float.Epsilon) //float precision - if not 0
{
locationMultiplier = float.Epsilon;
}
user.Score *= locationMultiplier;
}
}
public void Filter(UserSearchPipelineResult pipelineResult, UserSearchPipelineRequest request)
{
if (pipelineResult == null) throw new ArgumentNullException("pipelineResult");
_interestScoreCalculator.CalculateRelatedInterestScore(pipelineResult.RelatedInterests);
pipelineResult.ScoredInterests = pipelineResult.RelatedInterests.Select(x => new ScoredRelatedInterestDto(x.Id, x.Score, x.Slug, x.IsMainCategory, x.ExplicitSearch, x.Weight.Count)).ToList();
}
public void Filter(UserSearchPipelineResult pipelineResult, UserSearchPipelineRequest request)
{
if (pipelineResult == null) throw new ArgumentNullException("pipelineResult");
if (request == null) throw new ArgumentNullException("request");
if (request.User == null) throw new ArgumentNullException("request","User required");
var relatedInterestDtos = _interestRepository.GetRelatedInterests(request.User.Interests.Select(x => x.Interest.Slug).ToList()).ToList();
pipelineResult.RelatedInterests.AddRange(relatedInterestDtos);
}
public void Filter(UserSearchPipelineResult pipelineResult, UserSearchPipelineRequest request)
{
if (pipelineResult == null) throw new ArgumentNullException("pipelineResult");
if (pipelineResult.Users == null) throw new ArgumentNullException("pipelineResult", "Users must be provided");
pipelineResult.Users = pipelineResult
.Users
.OrderByDescending(x => x.Score)
.ToList();
}
public void Filter(UserSearchPipelineResult pipelineResult, UserSearchPipelineRequest request)
{
if (pipelineResult == null) throw new ArgumentNullException("pipelineResult");
if (request.User == null) throw new ArgumentNullException("request", "User cannot be null");
pipelineResult.UserQuery =
pipelineResult
.UserQuery
.Where(x => x != request.User);
}
public void Filter(UserSearchPipelineResult pipelineResult, UserSearchPipelineRequest request)
{
if (pipelineResult == null) throw new ArgumentNullException("pipelineResult");
if (request == null) throw new ArgumentNullException("request");
if (request.InterestSearch == null) throw new ArgumentNullException("request", "Search keys required");
var relatedInterestDtos = _interestRepository.GetRelatedInterests(request.InterestSearch).ToList();
relatedInterestDtos.ForEach(x => x.ExplicitSearch = true);
pipelineResult.RelatedInterests.AddRange(relatedInterestDtos);
}
public void Filter(UserSearchPipelineResult pipelineResult, UserSearchPipelineRequest request)
{
if (pipelineResult == null) throw new ArgumentNullException("pipelineResult");
foreach (var user in pipelineResult.Users)
{
user.Score += user.InterestDtos.Sum(
x =>
{
var foundInterest = pipelineResult.ScoredInterests.SingleOrDefault(y => y.Id == x.InterestId);
return foundInterest != null ? foundInterest.Score : 0f;
});
}
}
public void Filter(UserSearchPipelineResult pipelineResult, UserSearchPipelineRequest request)
{
if (pipelineResult == null) throw new ArgumentNullException("pipelineResult");
if (pipelineResult.ScoredInterests == null) throw new ArgumentNullException("pipelineResult", "Scored results should be provided");
var scoredRelatedInterestDtos = pipelineResult
.ScoredInterests
.Where(x => x.ExplicitSearch && x.Hops < Constants.EXPLICIT_SEARCH_INTEREST_MULTIPLIER.Length)
.ToList();
foreach (var scoredRelatedInterestDto in scoredRelatedInterestDtos)
{
scoredRelatedInterestDto.Score *= Constants.EXPLICIT_SEARCH_INTEREST_MULTIPLIER[scoredRelatedInterestDto.Hops];
}
}
public void Filter(UserSearchPipelineResult pipelineResult, UserSearchPipelineRequest request)
{
if (pipelineResult == null) throw new ArgumentNullException("pipelineResult");
if (pipelineResult.ScoredInterests == null) throw new ArgumentNullException("pipelineResult", "ScoredInterests is required");
var interestIds = pipelineResult
.ScoredInterests
.Select(x => x.Id)
.ToList(); //this needs to be a list since it's used in a query expression
pipelineResult.UserQuery =
pipelineResult
.UserQuery
.Where(x => x.Interests.Any(y => interestIds.Contains(y.Interest.Id)));
}
public void ExplicitSearchIncreasesScore()
{
var score1 = new ScoredRelatedInterestDto(0, 4, "", false, true, 0);
var userSearchPipelineResult = new UserSearchPipelineResult
{
ScoredInterests = new List<ScoredRelatedInterestDto>
{
score1
}
};
_calculateExplicitSearchInterestScoreFilter.Filter(userSearchPipelineResult, null);
Assert.That(userSearchPipelineResult.ScoredInterests.Single().Score, Is.EqualTo(20f));
}
public void Filter(UserSearchPipelineResult userSearchPipelineResult, UserSearchPipelineRequest request)
{
if (userSearchPipelineResult == null) throw new ArgumentNullException("userSearchPipelineResult");
userSearchPipelineResult.Users = userSearchPipelineResult.UserQuery.Select(x => new UserSearchResultDto(x)).ToList();
}
public UserSearchPipelineResult Execute(UserSearchPipelineRequest request)
{
//set flags
var explicitSearch = request.InterestSearch != null;
//start with list of users
var retVal = new UserSearchPipelineResult { UserQuery = _userRepository.FindAll() };
/************ Find Dependent Data ******************/
//run filter to query potential interests based on the user's list of interests
_findTargetUsersRelatedInterestsFilter.Filter(retVal, request);
//run filter to query potential interests based on what was explicitly searched for
if (explicitSearch)
{
_findRelatedInterestsFromKeywordSearchFilter.Filter(retVal, request);
}
/************ Calculate Signal Data ******************/
//score interests based on user
_calculateRelatedInterestScoreFilter.Filter(retVal, request);
//score interests based on explicit search
if (explicitSearch)
{
_calculateExplicitSearchInterestScoreFilter.Filter(retVal, request);
}
//main categories get less points - too vague
_calculateMainCategoryInterestScoreFilter.Filter(retVal, request);
//keep only the highest scored interests
_calculateHighestScoredInterestFilter.Filter(retVal, request);
/************ Limits/Constraints ******************/
//if explicit search, hide less relevant interests
if (explicitSearch)
{
_limitByExplicitSearchScoreFilter.Filter(retVal, request);
}
else
{
//only keep 'close' interests
_limitByCloseInterestFilter.Filter(retVal, request);
}
//filter users by interests and related
_limitByInterestFilter.Filter(retVal, request);
//dont show the target user in results
_limitByTargetUserFilter.Filter(retVal, request);
/************ Transform ******************/
//transform users to found dtos
_transformUserToScoredUserFilter.Filter(retVal, request);
/************ Assign User Score ******************/
//sort users by interests points
_assignInterestCommonalityScoreFilter.Filter(retVal, request);
_assignLocationScoreFilter.Filter(retVal, request);
/************ Sort ******************/
//order by scores
_sortUserScoreFilter.Filter(retVal, request);
return retVal;
}
