public async Task Handle(HistoryUpdatedIntegrationEvent @event)
{
var userStatistics = await _recommendationRepository.GetUserStatistics(@event.UserId, @event.ProfileId);
if (userStatistics == null)
{
var newUserStatistics = new UserStatisticsEntity()
{
PartitionKey = @event.UserId,
RowKey = @event.ProfileId,
GenresPreferences = $"{@event.Genres}:1",
RelaseYearPreferences = $"{@event.ReleaseYear}:1",
VideoIdPreferences = @event.WatchingItemId
};
await _recommendationRepository.AddUserStatistics(newUserStatistics);
}
else
{
var genreDictionary = userStatistics.GenresPreferences.ConvertToDictionary();
var releaseYearDictionary = userStatistics.RelaseYearPreferences.ConvertToDictionary();
IncrementValue(genreDictionary, @event.Genres);
IncrementValue(releaseYearDictionary, @event.ReleaseYear);
userStatistics.GenresPreferences = genreDictionary.ConvertToString();
userStatistics.RelaseYearPreferences = releaseYearDictionary.ConvertToString();
userStatistics.VideoIdPreferences = userStatistics.VideoIdPreferences + "," + @event.WatchingItemId;
await _recommendationRepository.UpdateUserStatistics(userStatistics);
}
}
