mirror of
https://github.com/sphildreth/roadie
synced 2024-11-23 04:33:16 +00:00
481 lines
No EOL
23 KiB
C#
481 lines
No EOL
23 KiB
C#
using Mapster;
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using Microsoft.AspNetCore.Http;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.Logging;
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using Roadie.Library;
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using Roadie.Library.Caching;
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using Roadie.Library.Configuration;
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using Roadie.Library.Encoding;
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using Roadie.Library.Extensions;
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using Roadie.Library.Models;
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using Roadie.Library.Models.Pagination;
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using Roadie.Library.Models.Releases;
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using Roadie.Library.Models.Users;
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using Roadie.Library.Utility;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Linq.Dynamic.Core;
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using System.Threading.Tasks;
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using data = Roadie.Library.Data;
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namespace Roadie.Api.Services
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{
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public class TrackService : ServiceBase, ITrackService
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{
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public TrackService(IRoadieSettings configuration,
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IHttpEncoder httpEncoder,
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IHttpContext httpContext,
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data.IRoadieDbContext dbContext,
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ICacheManager cacheManager,
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ILogger<TrackService> logger)
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: base(configuration, httpEncoder, dbContext, cacheManager, logger, httpContext)
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{
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}
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public async Task<OperationResult<Track>> ById(User roadieUser, Guid id, IEnumerable<string> includes)
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{
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var sw = Stopwatch.StartNew();
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sw.Start();
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var cacheKey = string.Format("urn:track_by_id_operation:{0}:{1}", id, includes == null ? "0" : string.Join("|", includes));
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var result = await this.CacheManager.GetAsync<OperationResult<Track>>(cacheKey, async () =>
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{
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return await this.TrackByIdAction(id, includes);
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}, data.Track.CacheRegionUrn(id));
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if (result?.Data != null && roadieUser != null)
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{
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//var artist = this.GetArtist(id);
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//result.Data.UserBookmark = this.GetUserBookmarks(roadieUser).FirstOrDefault(x => x.Type == BookmarkType.Artist && x.Bookmark.Value == artist.RoadieId.ToString());
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//var userArtist = this.DbContext.UserArtists.FirstOrDefault(x => x.ArtistId == artist.Id && x.UserId == roadieUser.Id);
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//if (userArtist != null)
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//{
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// result.Data.UserRating = new UserArtist
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// {
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// IsDisliked = userArtist.IsDisliked ?? false,
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// IsFavorite = userArtist.IsFavorite ?? false,
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// Rating = userArtist.Rating
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// };
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//}
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//if (this.RoadieUser != null)
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//{
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// var userTrack = context.usertracks.FirstOrDefault(x => x.trackId == trackInfo.t.id && x.userId == this.RoadieUser.id);
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// if (userTrack != null)
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// {
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// result.UserTrack = Map.ObjectToObject<dto.UserTrack>(userTrack);
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// result.UserTrack.userId = this.RoadieUser.roadieId;
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// result.UserTrack.trackId = result.roadieId;
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// result.UserTrack.createdDateTime = userTrack.createdDate;
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// result.UserTrack.lastUpdatedDateTime = userTrack.lastUpdated;
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// }
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//}
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}
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sw.Stop();
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return new OperationResult<Track>(result.Messages)
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{
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Data = result?.Data,
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Errors = result?.Errors,
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IsNotFoundResult = result?.IsNotFoundResult ?? false,
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IsSuccess = result?.IsSuccess ?? false,
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OperationTime = sw.ElapsedMilliseconds
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};
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}
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private async Task<OperationResult<Track>> TrackByIdAction(Guid id, IEnumerable<string> includes)
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{
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var sw = Stopwatch.StartNew();
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sw.Start();
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var track = this.GetTrack(id);
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if (track == null)
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{
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return new OperationResult<Track>(true, string.Format("Track Not Found [{0}]", id));
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}
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var result = track.Adapt<Track>();
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result.PlayUrl = $"{ this.HttpContext.BaseUrl }/play/track/{track.RoadieId}.mp3";
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result.IsLocked = (track.IsLocked ?? false) ||
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(track.ReleaseMedia.IsLocked ?? false) ||
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(track.ReleaseMedia.Release.IsLocked ?? false ) ||
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(track.ReleaseMedia.Release.Artist.IsLocked ?? false);
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result.Thumbnail = base.MakeTrackThumbnailImage(id);
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result.ReleaseMediaId = track.ReleaseMedia.RoadieId.ToString();
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result.Artist = new DataToken
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{
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Text = track.ReleaseMedia.Release.Artist.Name,
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Value = track.ReleaseMedia.Release.Artist.RoadieId.ToString()
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};
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result.ArtistThumbnail = this.MakeArtistThumbnailImage(track.ReleaseMedia.Release.Artist.RoadieId);
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result.Release = new DataToken
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{
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Text = track.ReleaseMedia.Release.Title,
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Value = track.ReleaseMedia.Release.RoadieId.ToString()
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};
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result.ReleaseThumbnail = this.MakeReleaseThumbnailImage(track.ReleaseMedia.Release.RoadieId);
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if(track.ArtistId.HasValue)
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{
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var trackArtist = this.DbContext.Artists.FirstOrDefault(x => x.Id == track.ArtistId);
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if(trackArtist == null)
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{
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this.Logger.LogWarning($"Unable to find Track Artist [{ track.ArtistId }");
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}
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else
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{
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result.TrackArtist = new DataToken
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{
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Text = trackArtist.Name,
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Value = trackArtist.RoadieId.ToString()
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};
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result.TrackArtistThumbnail = this.MakeArtistThumbnailImage(trackArtist.RoadieId);
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}
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}
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if (includes != null && includes.Any())
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{
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if (includes.Contains("stats"))
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{
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var userTracks = (from t in this.DbContext.Tracks
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join ut in this.DbContext.UserTracks on t.Id equals ut.TrackId into tt
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from ut in tt.DefaultIfEmpty()
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where t.Id == track.Id
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select ut).ToArray();
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if (userTracks.Any())
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{
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result.Statistics = new Library.Models.Statistics.TrackStatistics
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{
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DislikedCount = userTracks.Count(x => x.IsDisliked ?? false),
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FavoriteCount = userTracks.Count(x => x.IsFavorite ?? false),
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PlayedCount = userTracks.Sum(x => x.PlayedCount),
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FileSizeFormatted = ((long?)track.FileSize).ToFileSize(),
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Time = TimeSpan.FromSeconds(Math.Floor((double)track.Duration / 1000)).ToString(@"hh\:mm\:ss")
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};
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}
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}
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}
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sw.Stop();
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return new OperationResult<Track>
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{
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Data = result,
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IsSuccess = result != null,
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OperationTime = sw.ElapsedMilliseconds
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};
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}
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public static long DetermineByteEndFromHeaders(IHeaderDictionary headers, long fileLength)
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{
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var defaultFileLength = fileLength - 1;
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if (headers == null || !headers.Any(x => x.Key == "Range"))
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{
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return defaultFileLength;
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}
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long? result = null;
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var rangeHeader = headers["Range"];
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string rangeEnd = null;
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var rangeBegin = rangeHeader.FirstOrDefault();
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if (!string.IsNullOrEmpty(rangeBegin))
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{
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//bytes=0-
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rangeBegin = rangeBegin.Replace("bytes=", "");
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var parts = rangeBegin.Split('-');
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rangeBegin = parts[0];
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if (parts.Length > 1)
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{
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rangeEnd = parts[1];
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}
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if (!string.IsNullOrEmpty(rangeEnd))
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{
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result = long.TryParse(rangeEnd, out long outValue) ? (int?)outValue : null;
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}
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}
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return result ?? defaultFileLength;
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}
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public static long DetermineByteStartFromHeaders(IHeaderDictionary headers)
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{
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if (headers == null || !headers.Any(x => x.Key == "Range"))
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{
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return 0;
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}
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long result = 0;
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var rangeHeader = headers["Range"];
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var rangeBegin = rangeHeader.FirstOrDefault();
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if (!string.IsNullOrEmpty(rangeBegin))
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{
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//bytes=0-
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rangeBegin = rangeBegin.Replace("bytes=", "");
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var parts = rangeBegin.Split('-');
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rangeBegin = parts[0];
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if (!string.IsNullOrEmpty(rangeBegin))
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{
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long.TryParse(rangeBegin, out result);
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}
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}
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return result;
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}
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public async Task<Library.Models.Pagination.PagedResult<TrackList>> List(PagedRequest request, User roadieUser, bool? doRandomize = false, Guid? releaseId = null)
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{
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var sw = new Stopwatch();
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sw.Start();
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IQueryable<int> favoriteTrackIds = (new int[0]).AsQueryable();
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if (request.FilterFavoriteOnly)
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{
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favoriteTrackIds = (from t in this.DbContext.Tracks
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join ut in this.DbContext.UserTracks on t.Id equals ut.TrackId
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where ut.IsFavorite ?? false
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select t.Id
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);
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}
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Dictionary<int, int> playListTrackPositions = new Dictionary<int, int>();
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int[] playlistTrackIds = new int[0];
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if (request.FilterToPlaylistId.HasValue)
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{
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playListTrackPositions = (from plt in this.DbContext.PlaylistTracks
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join p in this.DbContext.Playlists on plt.PlayListId equals p.Id
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join t in this.DbContext.Tracks on plt.TrackId equals t.Id
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where p.RoadieId == request.FilterToPlaylistId.Value
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orderby plt.ListNumber
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select new {
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plt.ListNumber, t.Id
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}).Skip(request.SkipValue).Take(request.LimitValue).ToDictionary(x => x.Id, x => x.ListNumber);
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playlistTrackIds = playListTrackPositions.Select(x => x.Key).ToArray();
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request.Sort = "TrackNumber";
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request.Order = "ASC";
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}
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int[] topTrackids = new int[0];
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if(request.FilterTopPlayedOnly)
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{
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// Get request number of top played songs for artist
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topTrackids = (from t in this.DbContext.Tracks
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join ut in this.DbContext.UserTracks on t.Id equals ut.TrackId
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join rm in this.DbContext.ReleaseMedias on t.ReleaseMediaId equals rm.Id
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join r in this.DbContext.Releases on rm.ReleaseId equals r.Id
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join a in this.DbContext.Artists on r.ArtistId equals a.Id
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where a.RoadieId == request.FilterToArtistId
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orderby ut.PlayedCount descending
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select t.Id
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).Skip(request.SkipValue).Take(request.LimitValue).ToArray();
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}
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int[] randomTrackIds = null;
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if(doRandomize ?? false)
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{
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var randomLimit = roadieUser?.RandomReleaseLimit ?? 50;
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randomLimit = request.LimitValue > randomLimit ? randomLimit : request.LimitValue;
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var sql = $"SELECT t.* FROM `track` t WHERE t.Hash IS NOT NULL ORDER BY RAND() LIMIT {randomLimit}";
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randomTrackIds = this.DbContext.Tracks.FromSql(sql).Select(x => x.Id).ToArray();
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}
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Guid?[] filterToTrackIds = null;
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if(request.FilterToTrackId.HasValue || request.FilterToTrackIds != null)
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{
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var f = new List<Guid?>();
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if(request.FilterToTrackId.HasValue)
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{
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f.Add(request.FilterToTrackId);
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}
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if (request.FilterToTrackIds != null)
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{
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foreach (var ft in request.FilterToTrackIds)
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{
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if (!f.Contains(ft))
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{
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f.Add(ft);
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}
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}
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}
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filterToTrackIds = f.ToArray();
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}
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var resultQuery = (from t in this.DbContext.Tracks
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join rm in this.DbContext.ReleaseMedias on t.ReleaseMediaId equals rm.Id
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join r in this.DbContext.Releases on rm.ReleaseId equals r.Id
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join trackArtist in this.DbContext.Artists on t.ArtistId equals trackArtist.Id into tas
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from trackArtist in tas.DefaultIfEmpty()
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join releaseArtist in this.DbContext.Artists on r.ArtistId equals releaseArtist.Id into aa
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from releaseArtist in aa.DefaultIfEmpty()
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where (t.Hash != null)
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where (releaseId == null || (releaseId != null && r.RoadieId == releaseId))
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where (filterToTrackIds == null || filterToTrackIds.Contains(t.RoadieId))
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where (request.FilterMinimumRating == null || t.Rating >= request.FilterMinimumRating.Value)
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where (request.FilterValue == "" || (t.Title.Contains(request.FilterValue) || t.AlternateNames.Contains(request.FilterValue)))
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where (!request.FilterFavoriteOnly || favoriteTrackIds.Contains(t.Id))
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where (request.FilterToPlaylistId == null || playlistTrackIds.Contains(t.Id))
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where (!request.FilterTopPlayedOnly || topTrackids.Contains(t.Id))
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where (randomTrackIds == null || randomTrackIds.Contains(t.Id))
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where (request.FilterToArtistId == null || request.FilterToArtistId != null && r.Artist.RoadieId == request.FilterToArtistId)
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select new { t, rm, r, trackArtist, releaseArtist });
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if (!string.IsNullOrEmpty(request.FilterValue))
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{
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if (request.FilterValue.StartsWith("#"))
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{
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// Find any releases by tags
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var tagValue = request.FilterValue.Replace("#", "");
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resultQuery = resultQuery.Where(x => x.t.Tags != null && x.t.Tags.Contains(tagValue));
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}
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}
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var result = resultQuery.Select(x =>
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new TrackList
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{
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DatabaseId = x.t.Id,
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Id = x.t.RoadieId,
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Track = new DataToken
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{
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Text = x.t.Title,
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Value = x.t.RoadieId.ToString()
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},
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Release = ReleaseList.FromDataRelease(x.r, x.releaseArtist, this.HttpContext.BaseUrl, this.MakeArtistThumbnailImage(x.releaseArtist.RoadieId), this.MakeReleaseThumbnailImage(x.r.RoadieId)),
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Artist = ArtistList.FromDataArtist(x.releaseArtist, this.MakeArtistThumbnailImage(x.releaseArtist.RoadieId)),
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TrackArtist = x.trackArtist != null ? ArtistList.FromDataArtist(x.trackArtist, this.MakeArtistThumbnailImage(x.trackArtist.RoadieId)) : null,
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TrackNumber = playListTrackPositions.ContainsKey(x.t.Id) ? playListTrackPositions[x.t.Id] : x.t.TrackNumber,
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MediaNumber = x.rm.MediaNumber,
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CreatedDate = x.t.CreatedDate,
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LastUpdated = x.t.LastUpdated,
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Duration = x.t.Duration,
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FileSize = x.t.FileSize,
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ReleaseDate = x.r.ReleaseDate,
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PlayedCount = x.t.PlayedCount,
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Rating = x.t.Rating,
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Title = x.t.Title,
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TrackPlayUrl = $"{ this.HttpContext.BaseUrl }/play/track/{ x.t.RoadieId }.mp3",
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Thumbnail = this.MakeTrackThumbnailImage(x.t.RoadieId)
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});
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string sortBy = null;
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var rowCount = result.Count();
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TrackList[] rows = null;
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if (request.Action == User.ActionKeyUserRated)
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{
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sortBy = string.IsNullOrEmpty(request.Sort) ? request.OrderValue(new Dictionary<string, string> { { "UserTrack.Rating", "DESC" }, { "MediaNumber", "ASC" }, { "TrackNumber", "ASC" } }) : request.OrderValue(null);
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}
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else
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{
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sortBy = string.IsNullOrEmpty(request.Sort) ? request.OrderValue(new Dictionary<string, string> { { "Release.Text", "ASC" }, { "MediaNumber", "ASC" }, { "TrackNumber", "ASC" } }) : request.OrderValue(null);
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}
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rows = result.OrderBy(sortBy).Skip(request.SkipValue).Take(request.LimitValue).ToArray();
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if (rows.Any() && roadieUser != null)
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{
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foreach (var userTrack in this.GetUser(roadieUser.UserId).TrackRatings)
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{
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var row = rows.FirstOrDefault(x => x.DatabaseId == userTrack.TrackId);
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if (row != null)
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{
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row.UserRating = new UserTrack
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{
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IsDisliked = userTrack.IsDisliked ?? false,
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IsFavorite = userTrack.IsFavorite ?? false,
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Rating = userTrack.Rating,
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LastPlayed = userTrack.LastPlayed,
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PlayedCount = userTrack.PlayedCount
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};
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}
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}
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}
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if (rows.Any())
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{
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foreach (var row in rows)
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{
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row.PlayedCount = (from ut in this.DbContext.UserTracks
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join tr in this.DbContext.Tracks on ut.TrackId equals tr.Id
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where ut.TrackId == row.DatabaseId
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select ut.PlayedCount).Sum() ?? 0;
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row.FavoriteCount = (from ut in this.DbContext.UserTracks
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join tr in this.DbContext.Tracks on ut.TrackId equals tr.Id
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where ut.TrackId == row.DatabaseId
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where ut.IsFavorite ?? false
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select ut.Id).Count();
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}
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}
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sw.Stop();
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return new Library.Models.Pagination.PagedResult<TrackList>
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{
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TotalCount = rowCount,
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CurrentPage = request.PageValue,
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TotalPages = (int)Math.Ceiling((double)rowCount / request.LimitValue),
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OperationTime = sw.ElapsedMilliseconds,
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Rows = rows
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};
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}
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public async Task<OperationResult<TrackStreamInfo>> TrackStreamInfo(Guid trackId, long beginBytes, long endBytes)
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{
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var track = this.GetTrack(trackId);
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if (track == null)
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{
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return new OperationResult<TrackStreamInfo>($"TrackStreamInfo: Unable To Find Track [{ trackId }]");
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}
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if (!track.IsValid)
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{
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return new OperationResult<TrackStreamInfo>($"TrackStreamInfo: Invalid Track. Track Id [{trackId}], FilePath [{track.FilePath}], Filename [{track.FileName}]");
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}
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string trackPath = null;
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try
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{
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trackPath = track.PathToTrack(this.Configuration, this.Configuration.LibraryFolder);
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}
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catch (Exception ex)
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{
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return new OperationResult<TrackStreamInfo>(ex);
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}
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var trackFileInfo = new FileInfo(trackPath);
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if (!trackFileInfo.Exists)
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{
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track.UpdateTrackMissingFile();
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await this.DbContext.SaveChangesAsync();
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return new OperationResult<TrackStreamInfo>($"TrackStreamInfo: TrackId [{trackId}] Unable to Find Track [{trackFileInfo.FullName}]");
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}
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var contentDurationTimeSpan = TimeSpan.FromMilliseconds((double)(track.Duration ?? 0));
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var info = new TrackStreamInfo
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{
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FileName = this.HttpEncoder.UrlEncode(track.FileName).ToContentDispositionFriendly(),
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ContentDisposition = $"attachment; filename=\"{ this.HttpEncoder.UrlEncode(track.FileName).ToContentDispositionFriendly() }\"",
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ContentDuration = contentDurationTimeSpan.TotalSeconds.ToString(),
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};
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var cacheTimeout = 86400; // 24 hours
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var contentLength = (endBytes - beginBytes) + 1;
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info.Track = new DataToken
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{
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Text = track.Title,
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Value = track.RoadieId.ToString()
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};
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info.BeginBytes = beginBytes;
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info.EndBytes = endBytes;
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info.ContentRange = $"bytes {beginBytes}-{endBytes}/{contentLength}";
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info.ContentLength = contentLength.ToString();
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info.IsFullRequest = beginBytes == 0 && endBytes == (trackFileInfo.Length - 1);
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info.IsEndRangeRequest = beginBytes > 0 && endBytes != (trackFileInfo.Length - 1);
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info.LastModified = (track.LastUpdated ?? track.CreatedDate).ToString("R");
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info.Etag = track.Etag;
|
|
info.CacheControl = $"public, max-age={ cacheTimeout.ToString() } ";
|
|
info.Expires = DateTime.UtcNow.AddMinutes(cacheTimeout).ToString("R");
|
|
int bytesToRead = (int)(endBytes - beginBytes) + 1;
|
|
byte[] trackBytes = new byte[bytesToRead];
|
|
using (var fs = trackFileInfo.OpenRead())
|
|
{
|
|
try
|
|
{
|
|
fs.Seek(beginBytes, SeekOrigin.Begin);
|
|
var r = fs.Read(trackBytes, 0, bytesToRead);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
return new OperationResult<TrackStreamInfo>(ex);
|
|
}
|
|
}
|
|
info.Bytes = trackBytes;
|
|
return new OperationResult<TrackStreamInfo>
|
|
{
|
|
IsSuccess = true,
|
|
Data = info
|
|
};
|
|
}
|
|
}
|
|
} |