You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
jellyfin/Emby.Server.Implementations/Data/SqliteUserDataRepository.cs

422 lines
15 KiB

8 years ago
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Persistence;
using MediaBrowser.Model.IO;
8 years ago
using MediaBrowser.Model.Logging;
using SQLitePCL.pretty;
namespace Emby.Server.Implementations.Data
{
public class SqliteUserDataRepository : BaseSqliteRepository, IUserDataRepository
{
private readonly string _importFile;
private readonly IFileSystem _fileSystem;
public SqliteUserDataRepository(ILogger logger, IApplicationPaths appPaths, IFileSystem fileSystem)
8 years ago
: base(logger)
{
_fileSystem = fileSystem;
DbFilePath = Path.Combine(appPaths.DataPath, "library.db");
_importFile = Path.Combine(appPaths.DataPath, "userdata_v2.db");
8 years ago
}
/// <summary>
/// Gets the name of the repository
/// </summary>
/// <value>The name.</value>
public string Name
{
get
{
return "SQLite";
}
}
/// <summary>
/// Opens the connection to the database
/// </summary>
/// <returns>Task.</returns>
public void Initialize(ReaderWriterLockSlim writeLock, ManagedConnection managedConnection)
8 years ago
{
_connection = managedConnection;
8 years ago
WriteLock.Dispose();
WriteLock = writeLock;
using (var connection = CreateConnection())
{
string[] queries = {
"create table if not exists userdata (key nvarchar, userId GUID, rating float null, played bit, playCount int, isFavorite bit, playbackPositionTicks bigint, lastPlayedDate datetime null)",
8 years ago
"create table if not exists DataSettings (IsUserDataImported bit)",
8 years ago
"drop index if exists idx_userdata",
"drop index if exists idx_userdata1",
"drop index if exists idx_userdata2",
"drop index if exists userdataindex1",
8 years ago
"create unique index if not exists userdataindex on userdata (key, userId)",
"create index if not exists userdataindex2 on userdata (key, userId, played)",
"create index if not exists userdataindex3 on userdata (key, userId, playbackPositionTicks)",
"create index if not exists userdataindex4 on userdata (key, userId, isFavorite)",
8 years ago
"pragma shrink_memory"
};
connection.RunQueries(queries);
8 years ago
connection.RunInTransaction(db =>
{
var existingColumnNames = GetColumnNames(db, "userdata");
8 years ago
AddColumn(db, "userdata", "AudioStreamIndex", "int", existingColumnNames);
AddColumn(db, "userdata", "SubtitleStreamIndex", "int", existingColumnNames);
}, TransactionMode);
ImportUserDataIfNeeded(connection);
}
8 years ago
}
protected override bool EnableTempStoreMemory
{
get
{
return true;
}
}
private void ImportUserDataIfNeeded(ManagedConnection connection)
{
if (!_fileSystem.FileExists(_importFile))
{
return;
}
var fileToImport = _importFile;
var isImported = connection.Query("select IsUserDataImported from DataSettings").SelectScalarBool().FirstOrDefault();
if (isImported)
{
return;
}
ImportUserData(connection, fileToImport);
connection.RunInTransaction(db =>
{
using (var statement = db.PrepareStatement("replace into DataSettings (IsUserDataImported) values (@IsUserDataImported)"))
{
statement.TryBind("@IsUserDataImported", true);
statement.MoveNext();
}
}, TransactionMode);
}
private void ImportUserData(ManagedConnection connection, string file)
{
SqliteExtensions.Attach(connection, file, "UserDataBackup");
var columns = "key, userId, rating, played, playCount, isFavorite, playbackPositionTicks, lastPlayedDate, AudioStreamIndex, SubtitleStreamIndex";
connection.RunInTransaction(db =>
{
db.Execute("REPLACE INTO userdata(" + columns + ") SELECT " + columns + " FROM UserDataBackup.userdata;");
}, TransactionMode);
}
8 years ago
/// <summary>
/// Saves the user data.
/// </summary>
/// <param name="userId">The user id.</param>
/// <param name="key">The key.</param>
/// <param name="userData">The user data.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
/// <exception cref="System.ArgumentNullException">userData
/// or
/// cancellationToken
/// or
/// userId
/// or
/// userDataId</exception>
public Task SaveUserData(Guid userId, string key, UserItemData userData, CancellationToken cancellationToken)
{
if (userData == null)
{
throw new ArgumentNullException("userData");
}
if (userId == Guid.Empty)
{
throw new ArgumentNullException("userId");
}
if (string.IsNullOrEmpty(key))
{
throw new ArgumentNullException("key");
}
return PersistUserData(userId, key, userData, cancellationToken);
}
public Task SaveAllUserData(Guid userId, IEnumerable<UserItemData> userData, CancellationToken cancellationToken)
{
if (userData == null)
{
throw new ArgumentNullException("userData");
}
if (userId == Guid.Empty)
{
throw new ArgumentNullException("userId");
}
return PersistAllUserData(userId, userData.ToList(), cancellationToken);
}
/// <summary>
/// Persists the user data.
/// </summary>
/// <param name="userId">The user id.</param>
/// <param name="key">The key.</param>
/// <param name="userData">The user data.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
public async Task PersistUserData(Guid userId, string key, UserItemData userData, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
8 years ago
using (WriteLock.Write())
8 years ago
{
using (var connection = CreateConnection())
8 years ago
{
connection.RunInTransaction(db =>
{
SaveUserData(db, userId, key, userData);
}, TransactionMode);
}
8 years ago
}
}
private void SaveUserData(IDatabaseConnection db, Guid userId, string key, UserItemData userData)
{
using (var statement = db.PrepareStatement("replace into userdata (key, userId, rating,played,playCount,isFavorite,playbackPositionTicks,lastPlayedDate,AudioStreamIndex,SubtitleStreamIndex) values (@key, @userId, @rating,@played,@playCount,@isFavorite,@playbackPositionTicks,@lastPlayedDate,@AudioStreamIndex,@SubtitleStreamIndex)"))
8 years ago
{
statement.TryBind("@userId", userId.ToGuidParamValue());
statement.TryBind("@key", key);
8 years ago
if (userData.Rating.HasValue)
{
statement.TryBind("@rating", userData.Rating.Value);
}
else
{
statement.TryBindNull("@rating");
}
statement.TryBind("@played", userData.Played);
statement.TryBind("@playCount", userData.PlayCount);
statement.TryBind("@isFavorite", userData.IsFavorite);
statement.TryBind("@playbackPositionTicks", userData.PlaybackPositionTicks);
if (userData.LastPlayedDate.HasValue)
{
statement.TryBind("@lastPlayedDate", userData.LastPlayedDate.Value.ToDateTimeParamValue());
}
else
{
statement.TryBindNull("@lastPlayedDate");
}
if (userData.AudioStreamIndex.HasValue)
{
statement.TryBind("@AudioStreamIndex", userData.AudioStreamIndex.Value);
}
else
{
statement.TryBindNull("@AudioStreamIndex");
}
if (userData.SubtitleStreamIndex.HasValue)
{
statement.TryBind("@SubtitleStreamIndex", userData.SubtitleStreamIndex.Value);
}
else
{
statement.TryBindNull("@SubtitleStreamIndex");
}
statement.MoveNext();
}
}
/// <summary>
/// Persist all user data for the specified user
/// </summary>
private async Task PersistAllUserData(Guid userId, List<UserItemData> userDataList, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
8 years ago
using (WriteLock.Write())
8 years ago
{
using (var connection = CreateConnection())
8 years ago
{
connection.RunInTransaction(db =>
8 years ago
{
foreach (var userItemData in userDataList)
{
SaveUserData(db, userId, userItemData.Key, userItemData);
}
}, TransactionMode);
}
8 years ago
}
}
/// <summary>
/// Gets the user data.
/// </summary>
/// <param name="userId">The user id.</param>
/// <param name="key">The key.</param>
/// <returns>Task{UserItemData}.</returns>
/// <exception cref="System.ArgumentNullException">
/// userId
/// or
/// key
/// </exception>
public UserItemData GetUserData(Guid userId, string key)
{
if (userId == Guid.Empty)
{
throw new ArgumentNullException("userId");
}
if (string.IsNullOrEmpty(key))
{
throw new ArgumentNullException("key");
}
using (WriteLock.Read())
8 years ago
{
using (var connection = CreateConnection(true))
8 years ago
{
using (var statement = connection.PrepareStatement("select key,userid,rating,played,playCount,isFavorite,playbackPositionTicks,lastPlayedDate,AudioStreamIndex,SubtitleStreamIndex from userdata where key =@Key and userId=@UserId"))
{
statement.TryBind("@UserId", userId.ToGuidParamValue());
statement.TryBind("@Key", key);
foreach (var row in statement.ExecuteQuery())
{
return ReadRow(row);
}
}
return null;
8 years ago
}
}
}
public UserItemData GetUserData(Guid userId, List<string> keys)
{
if (userId == Guid.Empty)
{
throw new ArgumentNullException("userId");
}
if (keys == null)
{
throw new ArgumentNullException("keys");
}
if (keys.Count == 0)
{
return null;
}
return GetUserData(userId, keys[0]);
}
/// <summary>
/// Return all user-data associated with the given user
/// </summary>
/// <param name="userId"></param>
/// <returns></returns>
public IEnumerable<UserItemData> GetAllUserData(Guid userId)
{
if (userId == Guid.Empty)
{
throw new ArgumentNullException("userId");
}
var list = new List<UserItemData>();
using (WriteLock.Read())
8 years ago
{
using (var connection = CreateConnection())
8 years ago
{
using (var statement = connection.PrepareStatement("select key,userid,rating,played,playCount,isFavorite,playbackPositionTicks,lastPlayedDate,AudioStreamIndex,SubtitleStreamIndex from userdata where userId=@UserId"))
8 years ago
{
statement.TryBind("@UserId", userId.ToGuidParamValue());
foreach (var row in statement.ExecuteQuery())
{
list.Add(ReadRow(row));
}
8 years ago
}
}
}
return list;
}
/// <summary>
/// Read a row from the specified reader into the provided userData object
/// </summary>
/// <param name="reader"></param>
private UserItemData ReadRow(IReadOnlyList<IResultSetValue> reader)
{
var userData = new UserItemData();
userData.Key = reader[0].ToString();
userData.UserId = reader[1].ReadGuid();
if (reader[2].SQLiteType != SQLiteType.Null)
{
userData.Rating = reader[2].ToDouble();
}
userData.Played = reader[3].ToBool();
userData.PlayCount = reader[4].ToInt();
userData.IsFavorite = reader[5].ToBool();
userData.PlaybackPositionTicks = reader[6].ToInt64();
if (reader[7].SQLiteType != SQLiteType.Null)
{
userData.LastPlayedDate = reader[7].ReadDateTime();
}
if (reader[8].SQLiteType != SQLiteType.Null)
{
userData.AudioStreamIndex = reader[8].ToInt();
}
if (reader[9].SQLiteType != SQLiteType.Null)
{
userData.SubtitleStreamIndex = reader[9].ToInt();
}
return userData;
}
protected override void Dispose(bool dispose)
{
// handled by library database
}
protected override void CloseConnection()
{
// handled by library database
}
}
}