jellyfin/MediaBrowser.Server.Implementations/LiveTv/LiveTvManager.cs
2013-12-22 13:58:51 -05:00

698 lines
25 KiB
C#

using MediaBrowser.Common.Extensions;
using MediaBrowser.Common.IO;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Drawing;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.LiveTv;
using MediaBrowser.Controller.Localization;
using MediaBrowser.Controller.Persistence;
using MediaBrowser.Model.LiveTv;
using MediaBrowser.Model.Logging;
using MediaBrowser.Model.Querying;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Server.Implementations.LiveTv
{
/// <summary>
/// Class LiveTvManager
/// </summary>
public class LiveTvManager : ILiveTvManager
{
private readonly IServerApplicationPaths _appPaths;
private readonly IFileSystem _fileSystem;
private readonly ILogger _logger;
private readonly IItemRepository _itemRepo;
private readonly IUserManager _userManager;
private readonly ILocalizationManager _localization;
private readonly LiveTvDtoService _tvDtoService;
private readonly List<ILiveTvService> _services = new List<ILiveTvService>();
private Dictionary<Guid, LiveTvChannel> _channels = new Dictionary<Guid, LiveTvChannel>();
private Dictionary<Guid, LiveTvProgram> _programs = new Dictionary<Guid, LiveTvProgram>();
public LiveTvManager(IServerApplicationPaths appPaths, IFileSystem fileSystem, ILogger logger, IItemRepository itemRepo, IImageProcessor imageProcessor, ILocalizationManager localization, IUserDataManager userDataManager, IDtoService dtoService, IUserManager userManager)
{
_appPaths = appPaths;
_fileSystem = fileSystem;
_logger = logger;
_itemRepo = itemRepo;
_localization = localization;
_userManager = userManager;
_tvDtoService = new LiveTvDtoService(dtoService, userDataManager, imageProcessor, logger);
}
/// <summary>
/// Gets the services.
/// </summary>
/// <value>The services.</value>
public IReadOnlyList<ILiveTvService> Services
{
get { return _services; }
}
public ILiveTvService ActiveService { get; private set; }
/// <summary>
/// Adds the parts.
/// </summary>
/// <param name="services">The services.</param>
public void AddParts(IEnumerable<ILiveTvService> services)
{
_services.AddRange(services);
ActiveService = _services.FirstOrDefault();
}
public Task<QueryResult<ChannelInfoDto>> GetChannels(ChannelQuery query, CancellationToken cancellationToken)
{
var user = string.IsNullOrEmpty(query.UserId) ? null : _userManager.GetUserById(new Guid(query.UserId));
IEnumerable<LiveTvChannel> channels = _channels.Values;
if (user != null)
{
channels = channels
.Where(i => i.IsParentalAllowed(user, _localization))
.OrderBy(i =>
{
double number = 0;
if (!string.IsNullOrEmpty(i.ChannelInfo.Number))
{
double.TryParse(i.ChannelInfo.Number, out number);
}
return number;
});
}
var returnChannels = channels.OrderBy(i =>
{
double number = 0;
if (!string.IsNullOrEmpty(i.ChannelInfo.Number))
{
double.TryParse(i.ChannelInfo.Number, out number);
}
return number;
}).ThenBy(i => i.Name)
.Select(i => _tvDtoService.GetChannelInfoDto(i, user))
.ToArray();
var result = new QueryResult<ChannelInfoDto>
{
Items = returnChannels,
TotalRecordCount = returnChannels.Length
};
return Task.FromResult(result);
}
public LiveTvChannel GetInternalChannel(string id)
{
var guid = new Guid(id);
LiveTvChannel channel = null;
_channels.TryGetValue(guid, out channel);
return channel;
}
public LiveTvProgram GetInternalProgram(string id)
{
var guid = new Guid(id);
LiveTvProgram obj = null;
_programs.TryGetValue(guid, out obj);
return obj;
}
public async Task<LiveTvRecording> GetInternalRecording(string id, CancellationToken cancellationToken)
{
var service = ActiveService;
var recordings = await service.GetRecordingsAsync(cancellationToken).ConfigureAwait(false);
var recording = recordings.FirstOrDefault(i => _tvDtoService.GetInternalRecordingId(service.Name, i.Id) == new Guid(id));
return await GetRecording(recording, service.Name, cancellationToken).ConfigureAwait(false);
}
public async Task<StreamResponseInfo> GetRecordingStream(string id, CancellationToken cancellationToken)
{
var service = ActiveService;
var recordings = await service.GetRecordingsAsync(cancellationToken).ConfigureAwait(false);
var recording = recordings.FirstOrDefault(i => _tvDtoService.GetInternalRecordingId(service.Name, i.Id) == new Guid(id));
return await service.GetRecordingStream(recording.Id, cancellationToken).ConfigureAwait(false);
}
private async Task<LiveTvChannel> GetChannel(ChannelInfo channelInfo, string serviceName, CancellationToken cancellationToken)
{
var path = Path.Combine(_appPaths.ItemsByNamePath, "channels", _fileSystem.GetValidFilename(serviceName), _fileSystem.GetValidFilename(channelInfo.Name));
var fileInfo = new DirectoryInfo(path);
var isNew = false;
if (!fileInfo.Exists)
{
Directory.CreateDirectory(path);
fileInfo = new DirectoryInfo(path);
if (!fileInfo.Exists)
{
throw new IOException("Path not created: " + path);
}
isNew = true;
}
var id = _tvDtoService.GetInternalChannelId(serviceName, channelInfo.Id, channelInfo.Name);
var item = _itemRepo.RetrieveItem(id) as LiveTvChannel;
if (item == null)
{
item = new LiveTvChannel
{
Name = channelInfo.Name,
Id = id,
DateCreated = _fileSystem.GetCreationTimeUtc(fileInfo),
DateModified = _fileSystem.GetLastWriteTimeUtc(fileInfo),
Path = path
};
isNew = true;
}
item.ChannelInfo = channelInfo;
item.ServiceName = serviceName;
// Set this now so we don't cause additional file system access during provider executions
item.ResetResolveArgs(fileInfo);
await item.RefreshMetadata(cancellationToken, forceSave: isNew, resetResolveArgs: false);
return item;
}
private async Task<LiveTvProgram> GetProgram(ProgramInfo info, ChannelType channelType, string serviceName, CancellationToken cancellationToken)
{
var isNew = false;
var id = _tvDtoService.GetInternalProgramId(serviceName, info.Id);
var item = _itemRepo.RetrieveItem(id) as LiveTvProgram;
if (item == null)
{
item = new LiveTvProgram
{
Name = info.Name,
Id = id,
DateCreated = DateTime.UtcNow,
DateModified = DateTime.UtcNow
};
isNew = true;
}
item.ChannelType = channelType;
item.ProgramInfo = info;
item.ServiceName = serviceName;
await item.RefreshMetadata(cancellationToken, forceSave: isNew, resetResolveArgs: false);
return item;
}
private async Task<LiveTvRecording> GetRecording(RecordingInfo info, string serviceName, CancellationToken cancellationToken)
{
var isNew = false;
var id = _tvDtoService.GetInternalRecordingId(serviceName, info.Id);
var item = _itemRepo.RetrieveItem(id) as LiveTvRecording;
if (item == null)
{
item = new LiveTvRecording
{
Name = info.Name,
Id = id,
DateCreated = DateTime.UtcNow,
DateModified = DateTime.UtcNow
};
isNew = true;
}
item.RecordingInfo = info;
item.ServiceName = serviceName;
await item.RefreshMetadata(cancellationToken, forceSave: isNew, resetResolveArgs: false);
return item;
}
public async Task<ProgramInfoDto> GetProgram(string id, CancellationToken cancellationToken, User user = null)
{
var program = GetInternalProgram(id);
var dto = _tvDtoService.GetProgramInfoDto(program, user);
await AddRecordingInfo(new[] { dto }, cancellationToken).ConfigureAwait(false);
return dto;
}
public async Task<QueryResult<ProgramInfoDto>> GetPrograms(ProgramQuery query, CancellationToken cancellationToken)
{
IEnumerable<LiveTvProgram> programs = _programs.Values;
if (query.ChannelIdList.Length > 0)
{
var guids = query.ChannelIdList.Select(i => new Guid(i)).ToList();
var serviceName = ActiveService.Name;
programs = programs.Where(i =>
{
var programChannelId = i.ProgramInfo.ChannelId;
var internalProgramChannelId = _tvDtoService.GetInternalChannelId(serviceName, programChannelId, i.ProgramInfo.ChannelName);
return guids.Contains(internalProgramChannelId);
});
}
var user = string.IsNullOrEmpty(query.UserId) ? null : _userManager.GetUserById(new Guid(query.UserId));
if (user != null)
{
programs = programs.Where(i => i.IsParentalAllowed(user, _localization));
}
var returnArray = programs
.OrderBy(i => i.ProgramInfo.StartDate)
.Select(i => _tvDtoService.GetProgramInfoDto(i, user))
.ToArray();
await AddRecordingInfo(returnArray, cancellationToken).ConfigureAwait(false);
var result = new QueryResult<ProgramInfoDto>
{
Items = returnArray,
TotalRecordCount = returnArray.Length
};
return result;
}
private async Task AddRecordingInfo(IEnumerable<ProgramInfoDto> programs, CancellationToken cancellationToken)
{
var timers = await ActiveService.GetTimersAsync(cancellationToken).ConfigureAwait(false);
var timerList = timers.ToList();
foreach (var program in programs)
{
var timer = timerList.FirstOrDefault(i => string.Equals(i.ProgramId, program.ExternalId, StringComparison.OrdinalIgnoreCase));
if (timer != null)
{
program.TimerId = _tvDtoService.GetInternalTimerId(program.ServiceName, timer.Id)
.ToString("N");
if (!string.IsNullOrEmpty(timer.SeriesTimerId))
{
program.SeriesTimerId = _tvDtoService.GetInternalSeriesTimerId(program.ServiceName, timer.SeriesTimerId)
.ToString("N");
}
}
}
}
internal async Task RefreshChannels(IProgress<double> progress, CancellationToken cancellationToken)
{
// Avoid implicitly captured closure
var service = ActiveService;
if (service == null)
{
progress.Report(100);
return;
}
progress.Report(10);
var allChannels = await GetChannels(service, cancellationToken).ConfigureAwait(false);
var allChannelsList = allChannels.ToList();
var list = new List<LiveTvChannel>();
var programs = new List<LiveTvProgram>();
var numComplete = 0;
foreach (var channelInfo in allChannelsList)
{
try
{
var item = await GetChannel(channelInfo.Item2, channelInfo.Item1, cancellationToken).ConfigureAwait(false);
var channelPrograms = await service.GetProgramsAsync(channelInfo.Item2.Id, cancellationToken).ConfigureAwait(false);
var programTasks = channelPrograms.Select(program => GetProgram(program, item.ChannelInfo.ChannelType, service.Name, cancellationToken));
var programEntities = await Task.WhenAll(programTasks).ConfigureAwait(false);
programs.AddRange(programEntities);
list.Add(item);
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception ex)
{
_logger.ErrorException("Error getting channel information for {0}", ex, channelInfo.Item2.Name);
}
numComplete++;
double percent = numComplete;
percent /= allChannelsList.Count;
progress.Report(90 * percent + 10);
}
_programs = programs.ToDictionary(i => i.Id);
_channels = list.ToDictionary(i => i.Id);
}
private async Task<IEnumerable<Tuple<string, ChannelInfo>>> GetChannels(ILiveTvService service, CancellationToken cancellationToken)
{
var channels = await service.GetChannelsAsync(cancellationToken).ConfigureAwait(false);
return channels.Select(i => new Tuple<string, ChannelInfo>(service.Name, i));
}
public async Task<QueryResult<RecordingInfoDto>> GetRecordings(RecordingQuery query, CancellationToken cancellationToken)
{
var service = ActiveService;
var user = string.IsNullOrEmpty(query.UserId) ? null : _userManager.GetUserById(new Guid(query.UserId));
var list = new List<RecordingInfo>();
var recordings = await service.GetRecordingsAsync(cancellationToken).ConfigureAwait(false);
list.AddRange(recordings);
if (!string.IsNullOrEmpty(query.ChannelId))
{
list = list
.Where(i => _tvDtoService.GetInternalChannelId(service.Name, i.ChannelId, i.ChannelName) == new Guid(query.ChannelId))
.ToList();
}
if (!string.IsNullOrEmpty(query.Id))
{
list = list
.Where(i => _tvDtoService.GetInternalRecordingId(service.Name, i.Id) == new Guid(query.Id))
.ToList();
}
var entities = await GetEntities(list, service.Name, cancellationToken).ConfigureAwait(false);
if (user != null)
{
entities = entities.Where(i => i.IsParentalAllowed(user, _localization)).ToArray();
}
var returnArray = entities
.Select(i => _tvDtoService.GetRecordingInfoDto(i, service, user))
.OrderByDescending(i => i.StartDate)
.ToArray();
return new QueryResult<RecordingInfoDto>
{
Items = returnArray,
TotalRecordCount = returnArray.Length
};
}
private Task<LiveTvRecording[]> GetEntities(IEnumerable<RecordingInfo> recordings, string serviceName, CancellationToken cancellationToken)
{
var tasks = recordings.Select(i => GetRecording(i, serviceName, cancellationToken));
return Task.WhenAll(tasks);
}
private IEnumerable<ILiveTvService> GetServices(string serviceName, string channelId)
{
IEnumerable<ILiveTvService> services = _services;
if (string.IsNullOrEmpty(serviceName) && !string.IsNullOrEmpty(channelId))
{
var channel = GetInternalChannel(channelId);
if (channel != null)
{
serviceName = channel.ServiceName;
}
}
if (!string.IsNullOrEmpty(serviceName))
{
services = services.Where(i => string.Equals(i.Name, serviceName, StringComparison.OrdinalIgnoreCase));
}
return services;
}
public async Task<QueryResult<TimerInfoDto>> GetTimers(TimerQuery query, CancellationToken cancellationToken)
{
var service = ActiveService;
var timers = await service.GetTimersAsync(cancellationToken).ConfigureAwait(false);
if (!string.IsNullOrEmpty(query.ChannelId))
{
var guid = new Guid(query.ChannelId);
timers = timers.Where(i => guid == _tvDtoService.GetInternalChannelId(service.Name, i.ChannelId, i.ChannelName));
}
var returnArray = timers
.Select(i =>
{
var program = string.IsNullOrEmpty(i.ProgramId) ? null : GetInternalProgram(_tvDtoService.GetInternalProgramId(service.Name, i.ProgramId).ToString("N"));
return _tvDtoService.GetTimerInfoDto(i, service, program);
})
.OrderBy(i => i.StartDate)
.ToArray();
return new QueryResult<TimerInfoDto>
{
Items = returnArray,
TotalRecordCount = returnArray.Length
};
}
public async Task DeleteRecording(string recordingId)
{
var recording = await GetRecording(recordingId, CancellationToken.None).ConfigureAwait(false);
if (recording == null)
{
throw new ResourceNotFoundException(string.Format("Recording with Id {0} not found", recordingId));
}
var service = GetServices(recording.ServiceName, null)
.First();
await service.DeleteRecordingAsync(recording.ExternalId, CancellationToken.None).ConfigureAwait(false);
}
public async Task CancelTimer(string id)
{
var timer = await GetTimer(id, CancellationToken.None).ConfigureAwait(false);
if (timer == null)
{
throw new ResourceNotFoundException(string.Format("Timer with Id {0} not found", id));
}
var service = GetServices(timer.ServiceName, null)
.First();
await service.CancelTimerAsync(timer.ExternalId, CancellationToken.None).ConfigureAwait(false);
}
public async Task CancelSeriesTimer(string id)
{
var timer = await GetSeriesTimer(id, CancellationToken.None).ConfigureAwait(false);
if (timer == null)
{
throw new ResourceNotFoundException(string.Format("Timer with Id {0} not found", id));
}
var service = GetServices(timer.ServiceName, null)
.First();
await service.CancelSeriesTimerAsync(timer.ExternalId, CancellationToken.None).ConfigureAwait(false);
}
public async Task<RecordingInfoDto> GetRecording(string id, CancellationToken cancellationToken, User user = null)
{
var results = await GetRecordings(new RecordingQuery
{
UserId = user == null ? null : user.Id.ToString("N"),
Id = id
}, cancellationToken).ConfigureAwait(false);
return results.Items.FirstOrDefault();
}
public async Task<TimerInfoDto> GetTimer(string id, CancellationToken cancellationToken)
{
var results = await GetTimers(new TimerQuery(), cancellationToken).ConfigureAwait(false);
return results.Items.FirstOrDefault(i => string.Equals(i.Id, id, StringComparison.CurrentCulture));
}
public async Task<SeriesTimerInfoDto> GetSeriesTimer(string id, CancellationToken cancellationToken)
{
var results = await GetSeriesTimers(new SeriesTimerQuery(), cancellationToken).ConfigureAwait(false);
return results.Items.FirstOrDefault(i => string.Equals(i.Id, id, StringComparison.CurrentCulture));
}
public async Task<QueryResult<SeriesTimerInfoDto>> GetSeriesTimers(SeriesTimerQuery query, CancellationToken cancellationToken)
{
var service = ActiveService;
var timers = await service.GetSeriesTimersAsync(cancellationToken).ConfigureAwait(false);
var returnArray = timers
.Select(i => _tvDtoService.GetSeriesTimerInfoDto(i, service))
.OrderByDescending(i => i.StartDate)
.ToArray();
return new QueryResult<SeriesTimerInfoDto>
{
Items = returnArray,
TotalRecordCount = returnArray.Length
};
}
public Task<ChannelInfoDto> GetChannel(string id, CancellationToken cancellationToken, User user = null)
{
var channel = GetInternalChannel(id);
var dto = _tvDtoService.GetChannelInfoDto(channel, user);
return Task.FromResult(dto);
}
public async Task<SeriesTimerInfoDto> GetNewTimerDefaults(CancellationToken cancellationToken)
{
var service = ActiveService;
var info = await service.GetNewTimerDefaultsAsync(cancellationToken).ConfigureAwait(false);
var obj = _tvDtoService.GetSeriesTimerInfoDto(info, service);
obj.Id = obj.ExternalId = string.Empty;
return obj;
}
public async Task<SeriesTimerInfoDto> GetNewTimerDefaults(string programId, CancellationToken cancellationToken)
{
var info = await GetNewTimerDefaults(cancellationToken).ConfigureAwait(false);
var program = await GetProgram(programId, cancellationToken).ConfigureAwait(false);
info.Days = new List<DayOfWeek>
{
program.StartDate.ToLocalTime().DayOfWeek
};
info.DayPattern = _tvDtoService.GetDayPattern(info.Days);
info.Name = program.Name;
info.ChannelId = program.ChannelId;
info.ChannelName = program.ChannelName;
info.EndDate = program.EndDate;
info.StartDate = program.StartDate;
info.Name = program.Name;
info.Overview = program.Overview;
info.ProgramId = program.Id;
info.ExternalProgramId = program.ExternalId;
return info;
}
public async Task CreateTimer(TimerInfoDto timer, CancellationToken cancellationToken)
{
var service = string.IsNullOrEmpty(timer.ServiceName) ? ActiveService : GetServices(timer.ServiceName, null).First();
var info = await _tvDtoService.GetTimerInfo(timer, true, this, cancellationToken).ConfigureAwait(false);
// Set priority from default values
var defaultValues = await service.GetNewTimerDefaultsAsync(cancellationToken).ConfigureAwait(false);
info.Priority = defaultValues.Priority;
await service.CreateTimerAsync(info, cancellationToken).ConfigureAwait(false);
}
public async Task CreateSeriesTimer(SeriesTimerInfoDto timer, CancellationToken cancellationToken)
{
var service = string.IsNullOrEmpty(timer.ServiceName) ? ActiveService : GetServices(timer.ServiceName, null).First();
var info = await _tvDtoService.GetSeriesTimerInfo(timer, true, this, cancellationToken).ConfigureAwait(false);
// Set priority from default values
var defaultValues = await service.GetNewTimerDefaultsAsync(cancellationToken).ConfigureAwait(false);
info.Priority = defaultValues.Priority;
await service.CreateSeriesTimerAsync(info, cancellationToken).ConfigureAwait(false);
}
public async Task UpdateTimer(TimerInfoDto timer, CancellationToken cancellationToken)
{
var info = await _tvDtoService.GetTimerInfo(timer, false, this, cancellationToken).ConfigureAwait(false);
var service = string.IsNullOrEmpty(timer.ServiceName) ? ActiveService : GetServices(timer.ServiceName, null).First();
await service.UpdateTimerAsync(info, cancellationToken).ConfigureAwait(false);
}
public async Task UpdateSeriesTimer(SeriesTimerInfoDto timer, CancellationToken cancellationToken)
{
var info = await _tvDtoService.GetSeriesTimerInfo(timer, false, this, cancellationToken).ConfigureAwait(false);
var service = string.IsNullOrEmpty(timer.ServiceName) ? ActiveService : GetServices(timer.ServiceName, null).First();
await service.UpdateSeriesTimerAsync(info, cancellationToken).ConfigureAwait(false);
}
}
}