Ravendb }); AddMap（计数器=>来自计数器中的计数器 其中counter.Type==Core.Enums.Audio.AudioCounterType.Download 其中counter.DateTime>=DateTimeOffset.Now.Add
}); AddMap（计数器=>来自计数器中的计数器 其中counter.Type==Core.Enums.Audio.AudioCounterType.Download 其中counter.DateTime>=DateTimeOffset.Now.AddDays（-7） 选择新的 { Id=计数器。音频Id， ArtistName=（字符串）null， Name=（字符串）null， TotalDownloads=0， TotalPlays=0， TotalComments=0， Totalikes=0， TotalFavorites=0， WeeksDownloads=1， WeeksPlays=0， WeeksComments=0， WeeksLikes=0， 周收藏夹=0 }); AddMap（likes=>来自like中的like 选择新的 { Id=like.AudioId， ArtistName=（字符串）null， Name=（字符串）null， TotalDownloads=0， TotalPlays=0， TotalComments=0， Totalikes=1， TotalFavorites=0， WeeksDownloads=0， WeeksPlays=0， WeeksComments=0， WeeksLikes=0， 周收藏夹=0 }); 添加映射（favs=>来自favs中的fav 选择新的 { Id=fav.AudioId， ArtistName=（字符串）null， Name=（字符串）null， TotalDownloads=0， TotalPlays=0， TotalComments=0， Totalikes=0， TotalFavorites=1， WeeksDownloads=0， WeeksPlays=0， WeeksComments=0， WeeksLikes=0， 周收藏夹=0 }); AddMap（计数器=>来自计数器中的计数器 其中counter.Type==Core.Enums.Audio.AudioCounterType.Play 其中counter.DateTime>=DateTimeOffset.Now.AddDays（-7） 选择新的 { Id=计数器。音频Id， ArtistName=（字符串）null， Name=（字符串）null， TotalDownloads=0， TotalPlays=0， TotalComments=0， Totalikes=0， TotalFavorites=0， WeeksDownloads=1， WeeksPlays=0， WeeksComments=0， WeeksLikes=0， 周收藏夹=0 }); AddMap（likes=>来自like中的like 其中like.DateCreated>=DateTimeOffset.Now.AddDays（-7） 选择新的 { Id=like.AudioId， ArtistName=（字符串）null， Name=（字符串）null， TotalDownloads=0， TotalPlays=0， TotalComments=0， Totalikes=0， TotalFavorites=0， WeeksDownloads=0， WeeksPlays=0， WeeksComments=0， WeeksLikes=1， 周收藏夹=0 }); 添加映射（favs=>来自favs中的fav 其中fav.DateCreated>=DateTimeOffset.Now.AddDays（-7） 选择新的 { Id=fav.AudioId， 艺人姓名=（stRavendb }); AddMap（计数器=>来自计数器中的计数器 其中counter.Type==Core.Enums.Audio.AudioCounterType.Download 其中counter.DateTime>=DateTimeOffset.Now.Add,ravendb,denormalization,multimap,Ravendb,Denormalization,Multimap,}); AddMap（计数器=>来自计数器中的计数器 其中counter.Type==Core.Enums.Audio.AudioCounterType.Download 其中counter.DateTime>=DateTimeOffset.Now.AddDays（-7） 选择新的 { Id=计数器。音频Id， ArtistName=（字符串）null， Name=（字符串）null， TotalDownloads=0， TotalPlays=0， TotalComments=0， Totali
public class AudioWithCounters : AbstractMultiMapIndexCreationTask<AudioWithCounters.AudioViewModel>
{
public class AudioViewModel
{
public string Id { get; set; }
public string ArtistName { get; set; }
public string Name { get; set; }
public int TotalComments { get; set; }
public int TotalDownloads { get; set; }
public int TotalPlays { get; set; }
public int TotalLikes { get; set; }
public int TotalFavourites { get; set; }
public int WeeksComments { get; set; }
public int WeeksDownloads { get; set; }
public int WeeksPlays { get; set; }
public int WeeksLikes { get; set; }
public int WeeksFavourites { get; set; }
}
public AudioWithCounters()
{
AddMap<Audio>(audios => from audio in audios
select new
{
Id = audio.Id,
ArtistName = audio.ArtistName,
Name = audio.Name,
TotalDownloads = 0,
TotalComments = audio.CommentsCount,
TotalPlays = 0,
TotalLikes = 0,
TotalFavourites = 0,
WeeksDownloads = 0,
WeeksPlays = 0,
WeeksComments = 0,
WeeksLikes = 0,
WeeksFavourites = 0
});
AddMap<AudioComments>(comments => from audioComment in comments
from comment in audioComment.Comments
where comment.CreatedAt >= DateTimeOffset.Now.AddDays(-7)
select new
{
Id = audioComment.Audio.Id,
ArtistName = (string)null,
Name = (string)null,
TotalDownloads = 0,
TotalComments = 0,
TotalPlays = 0,
TotalLikes = 0,
TotalFavourites = 0,
WeeksDownloads = 0,
WeeksPlays = 0,
WeeksComments = 1,
WeeksLikes = 0,
WeeksFavourites = 0
});
AddMap<AudioCounter>(counters => from counter in counters
where counter.Type == Core.Enums.Audio.AudioCounterType.Download
select new
{
Id = counter.AudioId,
ArtistName = (string)null,
Name = (string)null,
TotalDownloads = 1,
TotalComments = 0,
TotalPlays = 0,
TotalLikes = 0,
TotalFavourites = 0,
WeeksDownloads = 0,
WeeksPlays = 0,
WeeksComments = 0,
WeeksLikes = 0,
WeeksFavourites = 0
});
AddMap<AudioCounter>(counters => from counter in counters
where counter.Type == Core.Enums.Audio.AudioCounterType.Play
select new
{
Id = counter.AudioId,
ArtistName = (string)null,
Name = (string)null,
TotalDownloads = 0,
TotalPlays = 1,
TotalComments = 0,
TotalLikes = 0,
TotalFavourites = 0,
WeeksDownloads = 0,
WeeksPlays = 0,
WeeksComments = 0,
WeeksLikes = 0,
WeeksFavourites = 0
});
AddMap<AudioCounter>(counters => from counter in counters
where counter.Type == Core.Enums.Audio.AudioCounterType.Download
where counter.DateTime >= DateTimeOffset.Now.AddDays(-7)
select new
{
Id = counter.AudioId,
ArtistName = (string)null,
Name = (string)null,
TotalDownloads = 0,
TotalPlays = 0,
TotalComments = 0,
TotalLikes = 0,
TotalFavourites = 0,
WeeksDownloads = 1,
WeeksPlays = 0,
WeeksComments = 0,
WeeksLikes = 0,
WeeksFavourites = 0
});
AddMap<Like>(likes => from like in likes
select new
{
Id = like.AudioId,
ArtistName = (string)null,
Name = (string)null,
TotalDownloads = 0,
TotalPlays = 0,
TotalComments = 0,
TotalLikes = 1,
TotalFavourites = 0,
WeeksDownloads = 0,
WeeksPlays = 0,
WeeksComments = 0,
WeeksLikes = 0,
WeeksFavourites = 0
});
AddMap<Favourite>(favs => from fav in favs
select new
{
Id = fav.AudioId,
ArtistName = (string)null,
Name = (string)null,
TotalDownloads = 0,
TotalPlays = 0,
TotalComments = 0,
TotalLikes = 0,
TotalFavourites = 1,
WeeksDownloads = 0,
WeeksPlays = 0,
WeeksComments = 0,
WeeksLikes = 0,
WeeksFavourites = 0
});
AddMap<AudioCounter>(counters => from counter in counters
where counter.Type == Core.Enums.Audio.AudioCounterType.Play
where counter.DateTime >= DateTimeOffset.Now.AddDays(-7)
select new
{
Id = counter.AudioId,
ArtistName = (string)null,
Name = (string)null,
TotalDownloads = 0,
TotalPlays = 0,
TotalComments = 0,
TotalLikes = 0,
TotalFavourites = 0,
WeeksDownloads = 1,
WeeksPlays = 0,
WeeksComments = 0,
WeeksLikes = 0,
WeeksFavourites = 0
});
AddMap<Like>(likes => from like in likes
where like.DateCreated >= DateTimeOffset.Now.AddDays(-7)
select new
{
Id = like.AudioId,
ArtistName = (string)null,
Name = (string)null,
TotalDownloads = 0,
TotalPlays = 0,
TotalComments = 0,
TotalLikes = 0,
TotalFavourites = 0,
WeeksDownloads = 0,
WeeksPlays = 0,
WeeksComments = 0,
WeeksLikes = 1,
WeeksFavourites = 0
});
AddMap<Favourite>(favs => from fav in favs
where fav.DateCreated >= DateTimeOffset.Now.AddDays(-7)
select new
{
Id = fav.AudioId,
ArtistName = (string)null,
Name = (string)null,
TotalDownloads = 0,
TotalPlays = 0,
TotalComments = 0,
TotalLikes = 0,
TotalFavourites = 0,
WeeksDownloads = 0,
WeeksPlays = 0,
WeeksComments = 0,
WeeksLikes = 0,
WeeksFavourites = 1
});
Reduce = results => from result in results
group result by result.Id
into g
select new
{
Id = g.Key,
ArtistName = g.Select(x => x.ArtistName).Where(x => x != null).FirstOrDefault(),
Name = g.Select(x => x.Name).Where(x => x != null).FirstOrDefault(),
TotalDownloads = g.Sum(x => x.TotalDownloads),
TotalPlays = g.Sum(x => x.TotalPlays),
TotalComments = g.Sum(x => x.TotalComments),
TotalLikes = g.Sum(x => x.TotalLikes),
TotalFavourites = g.Sum(x => x.TotalFavourites),
WeeksComments = g.Sum(x => x.WeeksComments),
WeeksDownloads = g.Sum(x => x.WeeksDownloads),
WeeksPlays = g.Sum(x => x.WeeksPlays),
WeeksLikes = g.Sum(x => x.WeeksLikes),
WeeksFavourites = g.Sum(x => x.WeeksFavourites)
};
}