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#nullable disable
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#pragma warning disable CS1591
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using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Globalization;
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using System.Threading;
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using Jellyfin.Data.Entities;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Controller.Dto;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.Persistence;
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using MediaBrowser.Model.Dto;
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using MediaBrowser.Model.Entities;
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using AudioBook = MediaBrowser.Controller.Entities.AudioBook;
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using Book = MediaBrowser.Controller.Entities.Book;
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namespace Emby.Server.Implementations.Library
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{
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/// <summary>
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/// Class UserDataManager.
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/// </summary>
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public class UserDataManager : IUserDataManager
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{
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private readonly ConcurrentDictionary<string, UserItemData> _userData =
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new ConcurrentDictionary<string, UserItemData>(StringComparer.OrdinalIgnoreCase);
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private readonly IServerConfigurationManager _config;
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private readonly IUserManager _userManager;
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private readonly IUserDataRepository _repository;
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public UserDataManager(
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IServerConfigurationManager config,
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IUserManager userManager,
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IUserDataRepository repository)
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{
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_config = config;
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_userManager = userManager;
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_repository = repository;
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}
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public event EventHandler<UserDataSaveEventArgs> UserDataSaved;
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public void SaveUserData(Guid userId, BaseItem item, UserItemData userData, UserDataSaveReason reason, CancellationToken cancellationToken)
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{
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var user = _userManager.GetUserById(userId);
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SaveUserData(user, item, userData, reason, cancellationToken);
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}
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public void SaveUserData(User user, BaseItem item, UserItemData userData, UserDataSaveReason reason, CancellationToken cancellationToken)
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{
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ArgumentNullException.ThrowIfNull(userData);
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ArgumentNullException.ThrowIfNull(item);
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cancellationToken.ThrowIfCancellationRequested();
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var keys = item.GetUserDataKeys();
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var userId = user.InternalId;
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foreach (var key in keys)
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{
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_repository.SaveUserData(userId, key, userData, cancellationToken);
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}
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var cacheKey = GetCacheKey(userId, item.Id);
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_userData.AddOrUpdate(cacheKey, userData, (_, _) => userData);
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UserDataSaved?.Invoke(this, new UserDataSaveEventArgs
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{
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Keys = keys,
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UserData = userData,
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SaveReason = reason,
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UserId = user.Id,
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Item = item
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});
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}
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/// <summary>
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/// Save the provided user data for the given user. Batch operation. Does not fire any events or update the cache.
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/// </summary>
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/// <param name="userId">The user id.</param>
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/// <param name="userData">The user item data.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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public void SaveAllUserData(Guid userId, UserItemData[] userData, CancellationToken cancellationToken)
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{
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var user = _userManager.GetUserById(userId);
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_repository.SaveAllUserData(user.InternalId, userData, cancellationToken);
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}
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/// <summary>
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/// Retrieve all user data for the given user.
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/// </summary>
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/// <param name="userId">The user id.</param>
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/// <returns>A <see cref="List{UserItemData}"/> containing all of the user's item data.</returns>
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public List<UserItemData> GetAllUserData(Guid userId)
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{
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var user = _userManager.GetUserById(userId);
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return _repository.GetAllUserData(user.InternalId);
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}
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public UserItemData GetUserData(Guid userId, Guid itemId, List<string> keys)
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{
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var user = _userManager.GetUserById(userId);
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return GetUserData(user, itemId, keys);
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}
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public UserItemData GetUserData(User user, Guid itemId, List<string> keys)
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{
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var userId = user.InternalId;
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var cacheKey = GetCacheKey(userId, itemId);
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return _userData.GetOrAdd(cacheKey, _ => GetUserDataInternal(userId, keys));
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}
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private UserItemData GetUserDataInternal(long internalUserId, List<string> keys)
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{
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var userData = _repository.GetUserData(internalUserId, keys);
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if (userData is not null)
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{
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return userData;
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}
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if (keys.Count > 0)
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{
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return new UserItemData
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{
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Key = keys[0]
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};
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}
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return null;
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}
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/// <summary>
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/// Gets the internal key.
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/// </summary>
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/// <returns>System.String.</returns>
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private static string GetCacheKey(long internalUserId, Guid itemId)
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{
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return internalUserId.ToString(CultureInfo.InvariantCulture) + "-" + itemId.ToString("N", CultureInfo.InvariantCulture);
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}
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public UserItemData GetUserData(User user, BaseItem item)
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{
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return GetUserData(user, item.Id, item.GetUserDataKeys());
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}
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public UserItemData GetUserData(Guid userId, BaseItem item)
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{
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return GetUserData(userId, item.Id, item.GetUserDataKeys());
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}
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public UserItemDataDto GetUserDataDto(BaseItem item, User user)
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{
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var userData = GetUserData(user, item);
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var dto = GetUserItemDataDto(userData);
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item.FillUserDataDtoValues(dto, userData, null, user, new DtoOptions());
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return dto;
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}
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/// <inheritdoc />
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public UserItemDataDto GetUserDataDto(BaseItem item, BaseItemDto itemDto, User user, DtoOptions options)
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{
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var userData = GetUserData(user, item);
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var dto = GetUserItemDataDto(userData);
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item.FillUserDataDtoValues(dto, userData, itemDto, user, options);
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return dto;
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}
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/// <summary>
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/// Converts a UserItemData to a DTOUserItemData.
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/// </summary>
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/// <param name="data">The data.</param>
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/// <returns>DtoUserItemData.</returns>
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/// <exception cref="ArgumentNullException"><paramref name="data"/> is <c>null</c>.</exception>
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private UserItemDataDto GetUserItemDataDto(UserItemData data)
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{
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ArgumentNullException.ThrowIfNull(data);
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return new UserItemDataDto
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{
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IsFavorite = data.IsFavorite,
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Likes = data.Likes,
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PlaybackPositionTicks = data.PlaybackPositionTicks,
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PlayCount = data.PlayCount,
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Rating = data.Rating,
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Played = data.Played,
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LastPlayedDate = data.LastPlayedDate,
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Key = data.Key
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};
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}
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/// <inheritdoc />
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public bool UpdatePlayState(BaseItem item, UserItemData data, long? reportedPositionTicks)
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{
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var playedToCompletion = false;
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var runtimeTicks = item.GetRunTimeTicksForPlayState();
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var positionTicks = reportedPositionTicks ?? runtimeTicks;
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var hasRuntime = runtimeTicks > 0;
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// If a position has been reported, and if we know the duration
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if (positionTicks > 0 && hasRuntime && item is not AudioBook && item is not Book)
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{
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var pctIn = decimal.Divide(positionTicks, runtimeTicks) * 100;
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if (pctIn < _config.Configuration.MinResumePct)
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{
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// ignore progress during the beginning
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positionTicks = 0;
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}
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else if (pctIn > _config.Configuration.MaxResumePct || positionTicks >= runtimeTicks)
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{
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// mark as completed close to the end
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positionTicks = 0;
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data.Played = playedToCompletion = true;
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}
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else
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{
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// Enforce MinResumeDuration
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var durationSeconds = TimeSpan.FromTicks(runtimeTicks).TotalSeconds;
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if (durationSeconds < _config.Configuration.MinResumeDurationSeconds)
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{
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positionTicks = 0;
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data.Played = playedToCompletion = true;
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}
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}
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}
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else if (positionTicks > 0 && hasRuntime && item is AudioBook)
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{
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var playbackPositionInMinutes = TimeSpan.FromTicks(positionTicks).TotalMinutes;
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var remainingTimeInMinutes = TimeSpan.FromTicks(runtimeTicks - positionTicks).TotalMinutes;
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if (playbackPositionInMinutes < _config.Configuration.MinAudiobookResume)
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{
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// ignore progress during the beginning
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positionTicks = 0;
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}
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else if (remainingTimeInMinutes < _config.Configuration.MaxAudiobookResume || positionTicks >= runtimeTicks)
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{
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// mark as completed close to the end
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positionTicks = 0;
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data.Played = playedToCompletion = true;
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}
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}
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else if (!hasRuntime)
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{
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// If we don't know the runtime we'll just have to assume it was fully played
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data.Played = playedToCompletion = true;
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positionTicks = 0;
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}
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if (!item.SupportsPlayedStatus)
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{
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positionTicks = 0;
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data.Played = false;
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}
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if (!item.SupportsPositionTicksResume)
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{
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positionTicks = 0;
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}
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data.PlaybackPositionTicks = positionTicks;
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return playedToCompletion;
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}
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}
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}
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