public void RemoveIgnoreAnime(int ignoreAnimeID)
{
try
{
IgnoreAnimeRepository repIgnore = new IgnoreAnimeRepository();
IgnoreAnime ignore = repIgnore.GetByID(ignoreAnimeID);
if (ignore == null) return;
repIgnore.Delete(ignoreAnimeID);
}
catch (Exception ex)
{
logger.ErrorException(ex.ToString(), ex);
}
}
/// <summary>
/// Returns a list of recommendations based on the users votes
/// </summary>
/// <param name="maxResults"></param>
/// <param name="userID"></param>
/// <param name="recommendationType">1 = to watch, 2 = to download</param>
public List<Contract_Recommendation> GetRecommendations(int maxResults, int userID, int recommendationType)
{
List<Contract_Recommendation> recs = new List<Contract_Recommendation>();
try
{
AniDB_AnimeRepository repAnime = new AniDB_AnimeRepository();
AniDB_VoteRepository repVotes = new AniDB_VoteRepository();
AnimeSeriesRepository repSeries = new AnimeSeriesRepository();
JMMUserRepository repUsers = new JMMUserRepository();
JMMUser juser = repUsers.GetByID(userID);
if (juser == null) return recs;
// get all the anime the user has chosen to ignore
int ignoreType = 1;
switch (recommendationType)
{
case 1: ignoreType = 1; break;
case 2: ignoreType = 2; break;
}
IgnoreAnimeRepository repIgnore = new IgnoreAnimeRepository();
List<IgnoreAnime> ignored = repIgnore.GetByUserAndType(userID, ignoreType);
Dictionary<int, IgnoreAnime> dictIgnored = new Dictionary<int, Entities.IgnoreAnime>();
foreach (IgnoreAnime ign in ignored)
dictIgnored[ign.AnimeID] = ign;
// find all the series which the user has rated
List<AniDB_Vote> allVotes = repVotes.GetAll();
if (allVotes.Count == 0) return recs;
// sort by the highest rated
List<SortPropOrFieldAndDirection> sortCriteria = new List<SortPropOrFieldAndDirection>();
sortCriteria.Add(new SortPropOrFieldAndDirection("VoteValue", true, SortType.eInteger));
allVotes = Sorting.MultiSort<AniDB_Vote>(allVotes, sortCriteria);
Dictionary<int, Contract_Recommendation> dictRecs = new Dictionary<int, Contract_Recommendation>();
List<AniDB_Vote> animeVotes = new List<AniDB_Vote>();
foreach (AniDB_Vote vote in allVotes)
{
if (vote.VoteType != (int)enAniDBVoteType.Anime && vote.VoteType != (int)enAniDBVoteType.AnimeTemp) continue;
if (dictIgnored.ContainsKey(vote.EntityID)) continue;
// check if the user has this anime
AniDB_Anime anime = repAnime.GetByAnimeID(vote.EntityID);
if (anime == null) continue;
// get similar anime
List<AniDB_Anime_Similar> simAnime = anime.GetSimilarAnime();
// sort by the highest approval
sortCriteria = new List<SortPropOrFieldAndDirection>();
sortCriteria.Add(new SortPropOrFieldAndDirection("ApprovalPercentage", true, SortType.eDoubleOrFloat));
simAnime = Sorting.MultiSort<AniDB_Anime_Similar>(simAnime, sortCriteria);
foreach (AniDB_Anime_Similar link in simAnime)
{
if (dictIgnored.ContainsKey(link.SimilarAnimeID)) continue;
AniDB_Anime animeLink = repAnime.GetByAnimeID(link.SimilarAnimeID);
if (animeLink != null)
if (!juser.AllowedAnime(animeLink)) continue;
// don't recommend to watch anime that the user doesn't have
if (animeLink == null && recommendationType == 1) continue;
// don't recommend to watch series that the user doesn't have
AnimeSeries ser = repSeries.GetByAnimeID(link.SimilarAnimeID);
if (ser == null && recommendationType == 1) continue;
if (ser != null)
{
// don't recommend to watch series that the user has already started watching
AnimeSeries_User userRecord = ser.GetUserRecord(userID);
if (userRecord != null)
{
if (userRecord.WatchedEpisodeCount > 0 && recommendationType == 1) continue;
}
// don't recommend to download anime that the user has files for
if (ser.LatestLocalEpisodeNumber > 0 && recommendationType == 2) continue;
}
Contract_Recommendation rec = new Contract_Recommendation();
rec.BasedOnAnimeID = anime.AnimeID;
rec.RecommendedAnimeID = link.SimilarAnimeID;
// if we don't have the anime locally. lets assume the anime has a high rating
decimal animeRating = 850;
if (animeLink != null) animeRating = animeLink.AniDBRating;
rec.Score = CalculateRecommendationScore(vote.VoteValue, link.ApprovalPercentage, animeRating);
rec.BasedOnVoteValue = vote.VoteValue;
rec.RecommendedApproval = link.ApprovalPercentage;
// check if we have added this recommendation before
// this might happen where animes are recommended based on different votes
// and could end up with different scores
if (dictRecs.ContainsKey(rec.RecommendedAnimeID))
{
if (rec.Score < dictRecs[rec.RecommendedAnimeID].Score) continue;
}
rec.Recommended_AniDB_Anime = null;
if (animeLink != null)
rec.Recommended_AniDB_Anime = animeLink.ToContract();
rec.BasedOn_AniDB_Anime = anime.ToContract();
rec.Recommended_AnimeSeries = null;
if (ser != null)
rec.Recommended_AnimeSeries = ser.ToContract(ser.GetUserRecord(userID));
AnimeSeries serBasedOn = repSeries.GetByAnimeID(anime.AnimeID);
if (serBasedOn == null) continue;
rec.BasedOn_AnimeSeries = serBasedOn.ToContract(serBasedOn.GetUserRecord(userID));
dictRecs[rec.RecommendedAnimeID] = rec;
}
}
List<Contract_Recommendation> tempRecs = new List<Contract_Recommendation>();
foreach (Contract_Recommendation rec in dictRecs.Values)
tempRecs.Add(rec);
// sort by the highest score
sortCriteria = new List<SortPropOrFieldAndDirection>();
sortCriteria.Add(new SortPropOrFieldAndDirection("Score", true, SortType.eDoubleOrFloat));
tempRecs = Sorting.MultiSort<Contract_Recommendation>(tempRecs, sortCriteria);
int numRecs = 0;
foreach (Contract_Recommendation rec in tempRecs)
{
if (numRecs == maxResults) break;
recs.Add(rec);
numRecs++;
}
if (recs.Count == 0) return recs;
return recs;
}
catch (Exception ex)
{
logger.ErrorException(ex.ToString(), ex);
return recs;
}
}
public void IgnoreAnime(int animeID, int ignoreType, int userID)
{
try
{
AniDB_AnimeRepository repAnime = new AniDB_AnimeRepository();
AniDB_Anime anime = repAnime.GetByAnimeID(animeID);
if (anime == null) return;
JMMUserRepository repUser = new JMMUserRepository();
JMMUser user = repUser.GetByID(userID);
if (user == null) return;
IgnoreAnimeRepository repIgnore = new IgnoreAnimeRepository();
IgnoreAnime ignore = repIgnore.GetByAnimeUserType(animeID, userID, ignoreType);
if (ignore != null) return;// record already exists
ignore = new IgnoreAnime();
ignore.AnimeID = animeID;
ignore.IgnoreType = ignoreType;
ignore.JMMUserID = userID;
repIgnore.Save(ignore);
}
catch (Exception ex)
{
logger.ErrorException(ex.ToString(), ex);
}
}
public List<Contract_IgnoreAnime> GetIgnoredAnime(int userID)
{
List<Contract_IgnoreAnime> retAnime = new List<Contract_IgnoreAnime>();
try
{
JMMUserRepository repUser = new JMMUserRepository();
JMMUser user = repUser.GetByID(userID);
if (user == null) return retAnime;
IgnoreAnimeRepository repIgnore = new IgnoreAnimeRepository();
List<IgnoreAnime> ignoredAnime = repIgnore.GetByUser(userID);
foreach (IgnoreAnime ign in ignoredAnime)
retAnime.Add(ign.ToContract());
}
catch (Exception ex)
{
logger.ErrorException(ex.ToString(), ex);
}
return retAnime;
}
