roadie/Roadie.Api.Services/ServiceBase.cs
2019-01-26 14:55:58 -06:00

954 lines
No EOL
40 KiB
C#

using HashidsNet;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Logging;
using Roadie.Library;
using Roadie.Library.Caching;
using Roadie.Library.Configuration;
using Roadie.Library.Encoding;
using Roadie.Library.Identity;
using Roadie.Library.Models;
using Roadie.Library.Utility;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using data = Roadie.Library.Data;
namespace Roadie.Api.Services
{
public abstract class ServiceBase
{
public static string TrackTokenSalt = "B0246908-FBD6-4E12-A96C-AF5B086115B3";
protected readonly ICacheManager _cacheManager = null;
protected readonly IRoadieSettings _configuration = null;
protected readonly data.IRoadieDbContext _dbContext = null;
protected readonly IHttpContext _httpContext = null;
protected readonly IHttpEncoder _httpEncoder = null;
protected readonly ILogger _logger = null;
protected ICacheManager CacheManager
{
get
{
return this._cacheManager;
}
}
protected IRoadieSettings Configuration
{
get
{
return this._configuration;
}
}
protected data.IRoadieDbContext DbContext
{
get
{
return this._dbContext;
}
}
protected IHttpContext HttpContext
{
get
{
return this._httpContext;
}
}
protected IHttpEncoder HttpEncoder
{
get
{
return this._httpEncoder;
}
}
protected ILogger Logger
{
get
{
return this._logger;
}
}
public ServiceBase(IRoadieSettings configuration, IHttpEncoder httpEncoder, data.IRoadieDbContext context,
ICacheManager cacheManager, ILogger logger, IHttpContext httpContext)
{
this._configuration = configuration;
this._httpEncoder = httpEncoder;
this._dbContext = context;
this._cacheManager = cacheManager;
this._logger = logger;
this._httpContext = httpContext;
}
public static bool ConfirmTrackPlayToken(ApplicationUser user, Guid trackRoadieId, string token)
{
if (string.IsNullOrEmpty(token))
{
return false;
}
return ServiceBase.TrackPlayToken(user, trackRoadieId).Equals(token);
}
public static string TrackPlayToken(ApplicationUser user, Guid trackId)
{
var hashids = new Hashids(ServiceBase.TrackTokenSalt);
var trackIdPart = BitConverter.ToInt32(trackId.ToByteArray(), 6);
if (trackIdPart < 0)
{
trackIdPart = trackIdPart * -1;
}
var token = hashids.Encode(user.Id, SafeParser.ToNumber<int>(user.CreatedDate.Value.ToString("DDHHmmss")), trackIdPart);
return token;
}
public Image MakeThumbnailImage(Guid id, string type, int? width = null, int? height = null, bool includeCachebuster = false)
{
return this.MakeImage(id, type, width ?? this.Configuration.ThumbnailImageSize.Width, height ?? this.Configuration.ThumbnailImageSize.Height, null, includeCachebuster);
}
protected IEnumerable<int> ArtistIdsForRelease(int releaseId)
{
var trackArtistIds = (from r in this.DbContext.Releases
join rm in this.DbContext.ReleaseMedias on r.Id equals rm.ReleaseId
join tr in this.DbContext.Tracks on rm.Id equals tr.ReleaseMediaId
where r.Id == releaseId
where tr.ArtistId != null
select tr.ArtistId.Value).ToList();
trackArtistIds.Add(this.DbContext.Releases.FirstOrDefault(x => x.Id == releaseId).ArtistId);
return trackArtistIds.Distinct().ToArray();
}
protected data.Artist GetArtist(string artistName)
{
if (string.IsNullOrEmpty(artistName))
{
return null;
}
var artistByName = this.CacheManager.Get(data.Artist.CacheUrnByName(artistName), () =>
{
return this.DbContext.Artists
.FirstOrDefault(x => x.Name == artistName);
}, null);
if (artistByName == null)
{
return null;
}
return this.GetArtist(artistByName.RoadieId);
}
protected data.Artist GetArtist(Guid id)
{
return this.CacheManager.Get(data.Artist.CacheUrn(id), () =>
{
return this.DbContext.Artists
.Include(x => x.Genres)
.Include("Genres.Genre")
.FirstOrDefault(x => x.RoadieId == id);
}, data.Artist.CacheRegionUrn(id));
}
protected data.Collection GetCollection(Guid id)
{
return this.CacheManager.Get(data.Collection.CacheUrn(id), () =>
{
return this.DbContext.Collections
.FirstOrDefault(x => x.RoadieId == id);
}, data.Collection.CacheRegionUrn(id));
}
protected data.Label GetLabel(Guid id)
{
return this.CacheManager.Get(data.Label.CacheUrn(id), () =>
{
return this.DbContext.Labels
.FirstOrDefault(x => x.RoadieId == id);
}, data.Label.CacheRegionUrn(id));
}
protected data.Playlist GetPlaylist(Guid id)
{
return this.CacheManager.Get(data.Playlist.CacheUrn(id), () =>
{
return this.DbContext.Playlists
.Include(x => x.User)
.FirstOrDefault(x => x.RoadieId == id);
}, data.Playlist.CacheRegionUrn(id));
}
protected data.Release GetRelease(Guid id)
{
return this.CacheManager.Get(data.Release.CacheUrn(id), () =>
{
return this.DbContext.Releases
.Include(x => x.Artist)
.Include(x => x.Genres)
.Include("Genres.Genre")
.Include(x => x.Medias)
.Include("Medias.Tracks")
.Include("Medias.Tracks.TrackArtist")
.FirstOrDefault(x => x.RoadieId == id);
}, data.Release.CacheRegionUrn(id));
}
/// <summary>
/// Get Track by Subsonic Id ("T:guid")
/// </summary>
protected data.Track GetTrack(string id)
{
Guid trackId = Guid.Empty;
if (Guid.TryParse(id, out trackId))
{
return this.GetTrack(trackId);
}
return null;
}
// Only read operations
protected data.Track GetTrack(Guid id)
{
return this.CacheManager.Get(data.Track.CacheUrn(id), () =>
{
return this.DbContext.Tracks
.Include(x => x.ReleaseMedia)
.Include(x => x.ReleaseMedia.Release)
.Include(x => x.ReleaseMedia.Release.Artist)
.Include(x => x.TrackArtist)
.FirstOrDefault(x => x.RoadieId == id);
}, data.Track.CacheRegionUrn(id));
}
protected ApplicationUser GetUser(string username)
{
if (string.IsNullOrEmpty(username))
{
return null;
}
var userByUsername = this.CacheManager.Get(ApplicationUser.CacheUrnByUsername(username), () =>
{
return this.DbContext.Users
.FirstOrDefault(x => x.UserName == username);
}, null);
return this.GetUser(userByUsername?.RoadieId);
}
protected ApplicationUser GetUser(Guid? id)
{
if (!id.HasValue)
{
return null;
}
return this.CacheManager.Get(ApplicationUser.CacheUrn(id.Value), () =>
{
return this.DbContext.Users
.Include(x => x.ArtistRatings)
.Include(x => x.ReleaseRatings)
.Include(x => x.TrackRatings)
.Include(x => x.UserRoles)
.Include("UserRoles.Role")
.Include("UserRoles.Role.RoleClaims")
.Include(x => x.Claims)
.Include(x => x.UserQues)
.Include("UserQues.Track")
.FirstOrDefault(x => x.RoadieId == id);
}, ApplicationUser.CacheRegionUrn(id.Value));
}
protected Image MakeArtistThumbnailImage(Guid? id)
{
if (!id.HasValue)
{
return null;
}
return MakeThumbnailImage(id.Value, "artist");
}
protected Image MakeCollectionThumbnailImage(Guid id)
{
return MakeThumbnailImage(id, "collection");
}
protected Image MakeFullsizeImage(Guid id, string caption = null)
{
return new Image($"{this.HttpContext.ImageBaseUrl }/{id}", caption, $"{this.HttpContext.ImageBaseUrl }/{id}/{ this.Configuration.SmallImageSize.Width }/{ this.Configuration.SmallImageSize.Height }");
}
protected Image MakeImage(Guid id, int width = 200, int height = 200, string caption = null, bool includeCachebuster = false)
{
return new Image($"{this.HttpContext.ImageBaseUrl }/{id}/{ width }/{ height }/{ (includeCachebuster ? DateTime.UtcNow.Ticks.ToString() : string.Empty) }", caption, $"{this.HttpContext.ImageBaseUrl }/{id}/{ this.Configuration.SmallImageSize.Width }/{ this.Configuration.SmallImageSize.Height }");
}
protected Image MakeImage(Guid id, string type, ImageSize imageSize)
{
return this.MakeImage(id, type, imageSize.Width, imageSize.Height);
}
protected Image MakeLabelThumbnailImage(Guid id)
{
return MakeThumbnailImage(id, "label");
}
protected string MakeLastFmUrl(string artistName, string releaseTitle)
{
return "http://www.last.fm/music/" + this.HttpEncoder.UrlEncode($"{ artistName }/{ releaseTitle }");
}
protected Image MakePlaylistThumbnailImage(Guid id)
{
return MakeThumbnailImage(id, "playlist");
}
protected Image MakeReleaseThumbnailImage(Guid id)
{
return MakeThumbnailImage(id, "release");
}
protected string MakeTrackPlayUrl(ApplicationUser user, int trackId, Guid trackRoadieId)
{
return $"{ this.HttpContext.BaseUrl }/play/track/{user.Id}/{ ServiceBase.TrackPlayToken(user, trackRoadieId)}/{ trackRoadieId }.mp3";
}
protected Image MakeTrackThumbnailImage(Guid id)
{
return MakeThumbnailImage(id, "track");
}
protected Image MakeUserThumbnailImage(Guid id)
{
return MakeThumbnailImage(id, "user");
}
protected async Task<OperationResult<short>> SetArtistRating(Guid artistId, ApplicationUser user, short rating)
{
var artist = this.DbContext.Artists
.Include(x => x.Genres)
.Include("Genres.Genre")
.FirstOrDefault(x => x.RoadieId == artistId);
if (artist == null)
{
return new OperationResult<short>(true, $"Invalid Artist Id [{ artistId }]");
}
var now = DateTime.UtcNow;
var userArtist = this.DbContext.UserArtists.FirstOrDefault(x => x.ArtistId == artist.Id && x.UserId == user.Id);
if (userArtist == null)
{
userArtist = new data.UserArtist
{
Rating = rating,
UserId = user.Id,
ArtistId = artist.Id
};
this.DbContext.UserArtists.Add(userArtist);
}
else
{
userArtist.Rating = rating;
userArtist.LastUpdated = now;
}
await this.DbContext.SaveChangesAsync();
var ratings = this.DbContext.UserArtists.Where(x => x.ArtistId == artist.Id && x.Rating > 0).Select(x => x.Rating);
if (ratings != null && ratings.Any())
{
artist.Rating = (short)ratings.Average(x => (decimal)x);
}
else
{
artist.Rating = 0;
}
artist.LastUpdated = now;
await this.DbContext.SaveChangesAsync();
await this.UpdateArtistRank(artist.Id);
this.CacheManager.ClearRegion(user.CacheRegion);
this.CacheManager.ClearRegion(artist.CacheRegion);
artist = this.GetArtist(artistId);
return new OperationResult<short>
{
IsSuccess = true,
Data = artist.Rating ?? 0
};
}
protected async Task<OperationResult<short>> SetReleaseRating(Guid releaseId, ApplicationUser user, short rating)
{
var release = this.DbContext.Releases
.Include(x => x.Artist)
.Include(x => x.Genres)
.Include("Genres.Genre")
.Include(x => x.Medias)
.Include("Medias.Tracks")
.Include("Medias.Tracks.TrackArtist")
.FirstOrDefault(x => x.RoadieId == releaseId);
if (release == null)
{
return new OperationResult<short>(true, $"Invalid Release Id [{ releaseId }]");
}
var userRelease = this.DbContext.UserReleases.FirstOrDefault(x => x.ReleaseId == release.Id && x.UserId == user.Id);
var now = DateTime.UtcNow;
if (userRelease == null)
{
userRelease = new data.UserRelease
{
Rating = rating,
UserId = user.Id,
ReleaseId = release.Id
};
this.DbContext.UserReleases.Add(userRelease);
}
else
{
userRelease.Rating = rating;
userRelease.LastUpdated = now;
}
await this.DbContext.SaveChangesAsync();
var ratings = this.DbContext.UserReleases.Where(x => x.ReleaseId == release.Id && x.Rating > 0).Select(x => x.Rating);
if (ratings != null && ratings.Any())
{
release.Rating = (short)ratings.Average(x => (decimal)x);
}
else
{
release.Rating = 0;
}
release.LastUpdated = now;
await this.DbContext.SaveChangesAsync();
await this.UpdateReleaseRank(release.Id);
this.CacheManager.ClearRegion(user.CacheRegion);
this.CacheManager.ClearRegion(release.CacheRegion);
this.CacheManager.ClearRegion(release.Artist.CacheRegion);
release = this.GetRelease(releaseId);
return new OperationResult<short>
{
IsSuccess = true,
Data = release.Rating ?? 0
};
}
protected async Task<OperationResult<short>> SetTrackRating(Guid trackId, ApplicationUser user, short rating)
{
var track = this.DbContext.Tracks
.Include(x => x.ReleaseMedia)
.Include(x => x.ReleaseMedia.Release)
.Include(x => x.ReleaseMedia.Release.Artist)
.Include(x => x.TrackArtist)
.FirstOrDefault(x => x.RoadieId == trackId);
if (track == null)
{
return new OperationResult<short>(true, $"Invalid Track Id [{ trackId }]");
}
var now = DateTime.UtcNow;
var userTrack = this.DbContext.UserTracks.FirstOrDefault(x => x.TrackId == track.Id && x.UserId == user.Id);
if (userTrack == null)
{
userTrack = new data.UserTrack
{
Rating = rating,
UserId = user.Id,
TrackId = track.Id
};
this.DbContext.UserTracks.Add(userTrack);
}
else
{
userTrack.Rating = rating;
userTrack.LastUpdated = now;
}
await this.DbContext.SaveChangesAsync();
var ratings = this.DbContext.UserTracks.Where(x => x.TrackId == track.Id && x.Rating > 0).Select(x => x.Rating);
if (ratings != null && ratings.Any())
{
track.Rating = (short)ratings.Average(x => (decimal)x);
} else
{
track.Rating = 0;
}
track.LastUpdated = now;
await this.DbContext.SaveChangesAsync();
await this.UpdateReleaseRank(track.ReleaseMedia.Release.Id);
this.CacheManager.ClearRegion(user.CacheRegion);
this.CacheManager.ClearRegion(track.CacheRegion);
this.CacheManager.ClearRegion(track.ReleaseMedia.Release.CacheRegion);
this.CacheManager.ClearRegion(track.ReleaseMedia.Release.Artist.CacheRegion);
track = this.GetTrack(trackId);
return new OperationResult<short>
{
IsSuccess = true,
Data = track.Rating
};
}
protected async Task<OperationResult<bool>> ToggleArtistDisliked(Guid artistId, ApplicationUser user, bool isDisliked)
{
var artist = this.DbContext.Artists
.Include(x => x.Genres)
.Include("Genres.Genre")
.FirstOrDefault(x => x.RoadieId == artistId);
if (artist == null)
{
return new OperationResult<bool>(true, $"Invalid Artist Id [{ artistId }]");
}
var userArtist = this.DbContext.UserArtists.FirstOrDefault(x => x.ArtistId == artist.Id && x.UserId == user.Id);
if (userArtist == null)
{
userArtist = new data.UserArtist
{
IsDisliked = isDisliked,
UserId = user.Id,
ArtistId = artist.Id
};
this.DbContext.UserArtists.Add(userArtist);
}
else
{
userArtist.IsDisliked = isDisliked;
userArtist.LastUpdated = DateTime.UtcNow;
}
await this.DbContext.SaveChangesAsync();
this.CacheManager.ClearRegion(user.CacheRegion);
this.CacheManager.ClearRegion(artist.CacheRegion);
return new OperationResult<bool>
{
IsSuccess = true,
Data = true
};
}
protected async Task<OperationResult<bool>> ToggleArtistFavorite(Guid artistId, ApplicationUser user, bool isFavorite)
{
var artist = this.DbContext.Artists
.Include(x => x.Genres)
.Include("Genres.Genre")
.FirstOrDefault(x => x.RoadieId == artistId);
if (artist == null)
{
return new OperationResult<bool>(true, $"Invalid Artist Id [{ artistId }]");
}
var userArtist = this.DbContext.UserArtists.FirstOrDefault(x => x.ArtistId == artist.Id && x.UserId == user.Id);
if (userArtist == null)
{
userArtist = new data.UserArtist
{
IsFavorite = isFavorite,
UserId = user.Id,
ArtistId = artist.Id
};
this.DbContext.UserArtists.Add(userArtist);
}
else
{
userArtist.IsFavorite = isFavorite;
userArtist.LastUpdated = DateTime.UtcNow;
}
await this.DbContext.SaveChangesAsync();
this.CacheManager.ClearRegion(user.CacheRegion);
this.CacheManager.ClearRegion(artist.CacheRegion);
return new OperationResult<bool>
{
IsSuccess = true,
Data = true
};
}
protected async Task<OperationResult<bool>> ToggleReleaseDisliked(Guid releaseId, ApplicationUser user, bool isDisliked)
{
var release = this.DbContext.Releases
.Include(x => x.Artist)
.Include(x => x.Genres)
.Include("Genres.Genre")
.Include(x => x.Medias)
.Include("Medias.Tracks")
.Include("Medias.Tracks.TrackArtist")
.FirstOrDefault(x => x.RoadieId == releaseId);
if (release == null)
{
return new OperationResult<bool>(true, $"Invalid Release Id [{ releaseId }]");
}
var userRelease = this.DbContext.UserReleases.FirstOrDefault(x => x.ReleaseId == release.Id && x.UserId == user.Id);
if (userRelease == null)
{
userRelease = new data.UserRelease
{
IsDisliked = isDisliked,
UserId = user.Id,
ReleaseId = release.Id
};
this.DbContext.UserReleases.Add(userRelease);
}
else
{
userRelease.IsDisliked = isDisliked;
userRelease.LastUpdated = DateTime.UtcNow;
}
await this.DbContext.SaveChangesAsync();
this.CacheManager.ClearRegion(user.CacheRegion);
this.CacheManager.ClearRegion(release.CacheRegion);
this.CacheManager.ClearRegion(release.Artist.CacheRegion);
return new OperationResult<bool>
{
IsSuccess = true,
Data = true
};
}
protected async Task<OperationResult<bool>> ToggleReleaseFavorite(Guid releaseId, ApplicationUser user, bool isFavorite)
{
var release = this.DbContext.Releases
.Include(x => x.Artist)
.Include(x => x.Genres)
.Include("Genres.Genre")
.Include(x => x.Medias)
.Include("Medias.Tracks")
.Include("Medias.Tracks.TrackArtist")
.FirstOrDefault(x => x.RoadieId == releaseId);
if (release == null)
{
return new OperationResult<bool>(true, $"Invalid Release Id [{ releaseId }]");
}
var userRelease = this.DbContext.UserReleases.FirstOrDefault(x => x.ReleaseId == release.Id && x.UserId == user.Id);
if (userRelease == null)
{
userRelease = new data.UserRelease
{
IsFavorite = isFavorite,
UserId = user.Id,
ReleaseId = release.Id
};
this.DbContext.UserReleases.Add(userRelease);
}
else
{
userRelease.IsFavorite = isFavorite;
userRelease.LastUpdated = DateTime.UtcNow;
}
await this.DbContext.SaveChangesAsync();
this.CacheManager.ClearRegion(user.CacheRegion);
this.CacheManager.ClearRegion(release.CacheRegion);
this.CacheManager.ClearRegion(release.Artist.CacheRegion);
return new OperationResult<bool>
{
IsSuccess = true,
Data = true
};
}
protected async Task<OperationResult<bool>> ToggleTrackDisliked(Guid trackId, ApplicationUser user, bool isDisliked)
{
var track = this.DbContext.Tracks
.Include(x => x.ReleaseMedia)
.Include(x => x.ReleaseMedia.Release)
.Include(x => x.ReleaseMedia.Release.Artist)
.Include(x => x.TrackArtist)
.FirstOrDefault(x => x.RoadieId == trackId);
if (track == null)
{
return new OperationResult<bool>(true, $"Invalid Track Id [{ trackId }]");
}
var userTrack = this.DbContext.UserTracks.FirstOrDefault(x => x.TrackId == track.Id && x.UserId == user.Id);
if (userTrack == null)
{
userTrack = new data.UserTrack
{
IsDisliked = isDisliked,
UserId = user.Id,
TrackId = track.Id
};
this.DbContext.UserTracks.Add(userTrack);
}
else
{
userTrack.IsDisliked = isDisliked;
userTrack.LastUpdated = DateTime.UtcNow;
}
await this.DbContext.SaveChangesAsync();
this.CacheManager.ClearRegion(user.CacheRegion);
this.CacheManager.ClearRegion(track.CacheRegion);
this.CacheManager.ClearRegion(track.ReleaseMedia.Release.CacheRegion);
this.CacheManager.ClearRegion(track.ReleaseMedia.Release.Artist.CacheRegion);
return new OperationResult<bool>
{
IsSuccess = true,
Data = true
};
}
protected async Task<OperationResult<bool>> ToggleTrackFavorite(Guid trackId, ApplicationUser user, bool isFavorite)
{
var track = this.DbContext.Tracks
.Include(x => x.ReleaseMedia)
.Include(x => x.ReleaseMedia.Release)
.Include(x => x.ReleaseMedia.Release.Artist)
.Include(x => x.TrackArtist)
.FirstOrDefault(x => x.RoadieId == trackId);
if (track == null)
{
return new OperationResult<bool>(true, $"Invalid Track Id [{ trackId }]");
}
var userTrack = this.DbContext.UserTracks.FirstOrDefault(x => x.TrackId == track.Id && x.UserId == user.Id);
if (userTrack == null)
{
userTrack = new data.UserTrack
{
IsFavorite = isFavorite,
UserId = user.Id,
TrackId = track.Id
};
this.DbContext.UserTracks.Add(userTrack);
}
else
{
userTrack.IsFavorite = isFavorite;
userTrack.LastUpdated = DateTime.UtcNow;
}
await this.DbContext.SaveChangesAsync();
this.CacheManager.ClearRegion(user.CacheRegion);
this.CacheManager.ClearRegion(track.CacheRegion);
this.CacheManager.ClearRegion(track.ReleaseMedia.Release.CacheRegion);
this.CacheManager.ClearRegion(track.ReleaseMedia.Release.Artist.CacheRegion);
return new OperationResult<bool>
{
IsSuccess = true,
Data = true
};
}
protected async Task UpdateArtistCounts(int artistId, DateTime now)
{
var artist = this.DbContext.Artists.FirstOrDefault(x => x.Id == artistId);
if (artist != null)
{
artist.ReleaseCount = this.DbContext.Releases.Where(x => x.ArtistId == artistId).Count();
artist.TrackCount = (from r in this.DbContext.Releases
join rm in this.DbContext.ReleaseMedias on r.Id equals rm.ReleaseId
join tr in this.DbContext.Tracks on rm.Id equals tr.ReleaseMediaId
where (tr.ArtistId == artistId || r.ArtistId == artistId)
select tr).Count();
artist.LastUpdated = now;
await this.DbContext.SaveChangesAsync();
this.CacheManager.ClearRegion(artist.CacheRegion);
}
}
/// <summary>
/// Update the counts for all artists on a release (both track and release artists)
/// </summary>
protected async Task UpdateArtistCountsForRelease(int releaseId, DateTime now)
{
foreach (var artistId in this.ArtistIdsForRelease(releaseId))
{
await this.UpdateArtistCounts(artistId, now);
}
}
protected async Task UpdateLabelCounts(int labelId, DateTime now)
{
var label = this.DbContext.Labels.FirstOrDefault(x => x.Id == labelId);
if (label != null)
{
label.ReleaseCount = this.DbContext.ReleaseLabels.Where(x => x.LabelId == label.Id).Count();
label.ArtistCount = (from r in this.DbContext.Releases
join rl in this.DbContext.ReleaseLabels on r.Id equals rl.ReleaseId
join a in this.DbContext.Artists on r.ArtistId equals a.Id
where rl.LabelId == label.Id
group a by a.Id into artists
select artists).Select(x => x.Key).Count();
label.TrackCount = (from r in this.DbContext.Releases
join rl in this.DbContext.ReleaseLabels on r.Id equals rl.ReleaseId
join rm in this.DbContext.ReleaseMedias on r.Id equals rm.ReleaseId
join t in this.DbContext.Tracks on rm.Id equals t.ReleaseMediaId
where rl.LabelId == label.Id
select t).Count();
await this.DbContext.SaveChangesAsync();
this.CacheManager.ClearRegion(label.CacheRegion);
}
}
protected async Task UpdatePlaylistCounts(int playlistId, DateTime now)
{
var playlist = this.DbContext.Playlists.FirstOrDefault(x => x.Id == playlistId);
if (playlist != null)
{
var playlistTracks = this.DbContext.PlaylistTracks
.Include(x => x.Track)
.Include("Track.ReleaseMedia")
.Where(x => x.PlayListId == playlist.Id).ToArray();
playlist.TrackCount = (short)playlistTracks.Count();
playlist.Duration = playlistTracks.Sum(x => x.Track.Duration);
playlist.ReleaseCount = (short)playlistTracks.Select(x => x.Track.ReleaseMedia.ReleaseId).Distinct().Count();
playlist.LastUpdated = now;
await this.DbContext.SaveChangesAsync();
this.CacheManager.ClearRegion(playlist.CacheRegion);
}
}
protected async Task UpdateReleaseCounts(int releaseId, DateTime now)
{
var release = this.DbContext.Releases.FirstOrDefault(x => x.Id == releaseId);
if (release != null)
{
release.PlayedCount = (from t in this.DbContext.Tracks
join rm in this.DbContext.ReleaseMedias on t.ReleaseMediaId equals rm.Id
where rm.ReleaseId == releaseId
where t.PlayedCount.HasValue
select t).Sum(x => x.PlayedCount);
release.Duration = (from t in this.DbContext.Tracks
join rm in this.DbContext.ReleaseMedias on t.ReleaseMediaId equals rm.Id
where rm.ReleaseId == releaseId
select t).Sum(x => x.Duration);
await this.DbContext.SaveChangesAsync();
this.CacheManager.ClearRegion(release.CacheRegion);
}
}
/// <summary>
/// Find all artists involved with release and update their rank
/// </summary>
protected async Task UpdateArtistsRankForRelease(data.Release release)
{
if(release != null)
{
var artistsForRelease = new List<int>
{
release.ArtistId
};
var trackArtistsForRelease = (from t in this.DbContext.Tracks
join rm in this.DbContext.ReleaseMedias on t.ReleaseMediaId equals rm.Id
where rm.ReleaseId == release.Id
where t.ArtistId.HasValue
select t.ArtistId.Value).ToArray();
artistsForRelease.AddRange(trackArtistsForRelease);
foreach(var artistId in artistsForRelease.Distinct())
{
await this.UpdateArtistRank(artistId);
}
}
}
/// <summary>
/// Update Artist Rank
/// Artist Rank is a sum of the artists release ranks + artist tracks rating + artist user rating
/// </summary>
protected async Task UpdateArtistRank(int artistId, bool updateReleaseRanks = false)
{
var artist = this.DbContext.Artists.FirstOrDefault(x => x.Id == artistId);
if (artist != null)
{
if(updateReleaseRanks)
{
var artistReleaseIds = this.DbContext.Releases.Where(x => x.ArtistId == artistId).Select(x => x.Id).ToArray();
foreach(var artistReleaseId in artistReleaseIds)
{
await this.UpdateReleaseRank(artistReleaseId, false);
}
}
var artistTrackAverage = (from t in this.DbContext.Tracks
join rm in this.DbContext.ReleaseMedias on t.ReleaseMediaId equals rm.Id
join ut in this.DbContext.UserTracks on t.Id equals ut.TrackId
where t.ArtistId == artist.Id
select (double?)ut.Rating).ToArray().Average(x => x) ?? 0;
var artistReleaseRatingRating = (from r in this.DbContext.Releases
join ur in this.DbContext.UserReleases on r.Id equals ur.ReleaseId
where r.ArtistId == artist.Id
select (double?)ur.Rating).ToArray().Average(x => x) ?? 0;
var artistReleaseRankSum = (from r in this.DbContext.Releases
where r.ArtistId == artist.Id
select r.Rank).ToArray().Sum(x => x) ?? 0;
artist.Rank = SafeParser.ToNumber<decimal>(artistTrackAverage + artistReleaseRatingRating) + artistReleaseRankSum + artist.Rating;
await this.DbContext.SaveChangesAsync();
this.CacheManager.ClearRegion(artist.CacheRegion);
this.Logger.LogInformation("UpdatedArtistRank For Artist `{0}`", artist);
}
}
/// <summary>
/// Update Relase Rank
/// Release Rank Calculation = Average of Track User Ratings + (User Rating of Release / Release Track Count) + Collection Rank Value
/// </summary>
protected async Task UpdateReleaseRank(int releaseId, bool updateArtistRank = true)
{
var release = this.DbContext.Releases.FirstOrDefault(x => x.Id == releaseId);
if (release != null)
{
var releaseTrackAverage = (from t in this.DbContext.Tracks
join rm in this.DbContext.ReleaseMedias on t.ReleaseMediaId equals rm.Id
join ut in this.DbContext.UserTracks on t.Id equals ut.TrackId
where rm.ReleaseId == releaseId
select (double?)ut.Rating).ToArray().Average(x => x);
var releaseUserRatingRank = release.Rating > 0 ? (decimal?)release.Rating / (decimal?)release.TrackCount : 0;
var collectionsWithRelease = (from c in this.DbContext.Collections
join cr in this.DbContext.CollectionReleases on c.Id equals cr.CollectionId
where c.CollectionType != Library.Enums.CollectionType.Chart
where cr.ReleaseId == release.Id
select new
{
c.CollectionCount,
cr.ListNumber
});
decimal releaseCollectionRank = 0;
foreach (var collectionWithRelease in collectionsWithRelease)
{
var rank = (decimal)((collectionWithRelease.CollectionCount * .01) - ((collectionWithRelease.ListNumber - 1) * .01));
releaseCollectionRank += rank;
}
release.Rank = SafeParser.ToNumber<decimal>(releaseTrackAverage) + releaseUserRatingRank + releaseCollectionRank;
await this.DbContext.SaveChangesAsync();
this.CacheManager.ClearRegion(release.CacheRegion);
this.Logger.LogInformation("UpdateReleaseRank For Release `{0}`", release);
if (updateArtistRank)
{
await this.UpdateArtistsRankForRelease(release);
}
}
}
protected Image MakeNewImage(string type)
{
return new Image($"{this.HttpContext.ImageBaseUrl }/{type}.jpg", null, null);
}
private Image MakeImage(Guid id, string type, int? width, int? height, string caption = null, bool includeCachebuster = false)
{
if (width.HasValue && height.HasValue && (width.Value != this.Configuration.ThumbnailImageSize.Width || height.Value != this.Configuration.ThumbnailImageSize.Height))
{
return new Image($"{this.HttpContext.ImageBaseUrl }/{type}/{id}/{width}/{height}/{ (includeCachebuster ? DateTime.UtcNow.Ticks.ToString() : string.Empty) }", caption, $"{this.HttpContext.ImageBaseUrl }/{type}/{id}/{ this.Configuration.ThumbnailImageSize.Width }/{ this.Configuration.ThumbnailImageSize.Height }");
}
return new Image($"{this.HttpContext.ImageBaseUrl }/{type}/{id}", caption, null);
}
}
}