public IEnumerable <MostPopularRecommendation> GetRecommendations(IInputForUser userRatings, int numRecommendationsToTryToGet)
{
List <MostPopularRecommendation> recs = new List <MostPopularRecommendation>();
for (int i = 0; recs.Count < numRecommendationsToTryToGet && i < m_numRatingsForEachItem.Count; i++)
{
if (userRatings.ItemIsOkToRecommend(m_numRatingsForEachItem[i].Item1))
{
recs.Add(new MostPopularRecommendation(m_numRatingsForEachItem[i].Item1, popularityRank: i + 1,
numRatings: m_numRatingsForEachItem[i].Item2));
}
}
return(recs);
}
public IEnumerable <AverageScoreRecommendation> GetRecommendations(IInputForUser userRatings, int numRecommendationsToTryToGet)
{
List <AverageScoreRecommendation> recs = new List <AverageScoreRecommendation>();
for (int i = 0; recs.Count < numRecommendationsToTryToGet && i < m_itemIdNumRatingsAndAverage.Count; i++)
{
if (userRatings.ItemIsOkToRecommend(m_itemIdNumRatingsAndAverage[i].Item1))
{
recs.Add(new AverageScoreRecommendation(
itemId: m_itemIdNumRatingsAndAverage[i].Item1,
numRatings: m_itemIdNumRatingsAndAverage[i].Item2,
averageScore: m_itemIdNumRatingsAndAverage[i].Item3)
);
}
}
return(recs);
}