jellyfin/MediaBrowser.Server.Implementations/Persistence/SqliteUserDataRepository.cs
2016-05-09 00:56:41 -04:00

384 lines
14 KiB
C#

using MediaBrowser.Common.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Persistence;
using MediaBrowser.Model.Logging;
using System;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Server.Implementations.Persistence
{
public class SqliteUserDataRepository : BaseSqliteRepository, IUserDataRepository
{
private IDbConnection _connection;
private readonly IApplicationPaths _appPaths;
public SqliteUserDataRepository(ILogManager logManager, IApplicationPaths appPaths) : base(logManager)
{
_appPaths = appPaths;
}
/// <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 async Task Initialize(IDbConnector dbConnector)
{
var dbFile = Path.Combine(_appPaths.DataPath, "userdata_v2.db");
_connection = await dbConnector.Connect(dbFile).ConfigureAwait(false);
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)",
"create index if not exists idx_userdata on userdata(key)",
"create unique index if not exists userdataindex on userdata (key, userId)",
//pragmas
"pragma temp_store = memory",
"pragma shrink_memory"
};
_connection.RunQueries(queries, Logger);
_connection.AddColumn(Logger, "userdata", "AudioStreamIndex", "int");
_connection.AddColumn(Logger, "userdata", "SubtitleStreamIndex", "int");
}
/// <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, 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();
await WriteLock.WaitAsync(cancellationToken).ConfigureAwait(false);
IDbTransaction transaction = null;
try
{
transaction = _connection.BeginTransaction();
using (var cmd = _connection.CreateCommand())
{
cmd.CommandText = "replace into userdata (key, userId, rating,played,playCount,isFavorite,playbackPositionTicks,lastPlayedDate,AudioStreamIndex,SubtitleStreamIndex) values (@key, @userId, @rating,@played,@playCount,@isFavorite,@playbackPositionTicks,@lastPlayedDate,@AudioStreamIndex,@SubtitleStreamIndex)";
cmd.Parameters.Add(cmd, "@key", DbType.String).Value = key;
cmd.Parameters.Add(cmd, "@userId", DbType.Guid).Value = userId;
cmd.Parameters.Add(cmd, "@rating", DbType.Double).Value = userData.Rating;
cmd.Parameters.Add(cmd, "@played", DbType.Boolean).Value = userData.Played;
cmd.Parameters.Add(cmd, "@playCount", DbType.Int32).Value = userData.PlayCount;
cmd.Parameters.Add(cmd, "@isFavorite", DbType.Boolean).Value = userData.IsFavorite;
cmd.Parameters.Add(cmd, "@playbackPositionTicks", DbType.Int64).Value = userData.PlaybackPositionTicks;
cmd.Parameters.Add(cmd, "@lastPlayedDate", DbType.DateTime).Value = userData.LastPlayedDate;
cmd.Parameters.Add(cmd, "@AudioStreamIndex", DbType.Int32).Value = userData.AudioStreamIndex;
cmd.Parameters.Add(cmd, "@SubtitleStreamIndex", DbType.Int32).Value = userData.SubtitleStreamIndex;
cmd.Transaction = transaction;
cmd.ExecuteNonQuery();
}
transaction.Commit();
}
catch (OperationCanceledException)
{
if (transaction != null)
{
transaction.Rollback();
}
throw;
}
catch (Exception e)
{
Logger.ErrorException("Failed to save user data:", e);
if (transaction != null)
{
transaction.Rollback();
}
throw;
}
finally
{
if (transaction != null)
{
transaction.Dispose();
}
WriteLock.Release();
}
}
/// <summary>
/// Persist all user data for the specified user
/// </summary>
/// <param name="userId"></param>
/// <param name="userData"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
private async Task PersistAllUserData(Guid userId, IEnumerable<UserItemData> userData, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
await WriteLock.WaitAsync(cancellationToken).ConfigureAwait(false);
IDbTransaction transaction = null;
try
{
transaction = _connection.BeginTransaction();
foreach (var userItemData in userData)
{
using (var cmd = _connection.CreateCommand())
{
cmd.CommandText = "replace into userdata (key, userId, rating,played,playCount,isFavorite,playbackPositionTicks,lastPlayedDate,AudioStreamIndex,SubtitleStreamIndex) values (@key, @userId, @rating,@played,@playCount,@isFavorite,@playbackPositionTicks,@lastPlayedDate,@AudioStreamIndex,@SubtitleStreamIndex)";
cmd.Parameters.Add(cmd, "@key", DbType.String).Value = userItemData.Key;
cmd.Parameters.Add(cmd, "@userId", DbType.Guid).Value = userId;
cmd.Parameters.Add(cmd, "@rating", DbType.Double).Value = userItemData.Rating;
cmd.Parameters.Add(cmd, "@played", DbType.Boolean).Value = userItemData.Played;
cmd.Parameters.Add(cmd, "@playCount", DbType.Int32).Value = userItemData.PlayCount;
cmd.Parameters.Add(cmd, "@isFavorite", DbType.Boolean).Value = userItemData.IsFavorite;
cmd.Parameters.Add(cmd, "@playbackPositionTicks", DbType.Int64).Value = userItemData.PlaybackPositionTicks;
cmd.Parameters.Add(cmd, "@lastPlayedDate", DbType.DateTime).Value = userItemData.LastPlayedDate;
cmd.Parameters.Add(cmd, "@AudioStreamIndex", DbType.Int32).Value = userItemData.AudioStreamIndex;
cmd.Parameters.Add(cmd, "@SubtitleStreamIndex", DbType.Int32).Value = userItemData.SubtitleStreamIndex;
cmd.Transaction = transaction;
cmd.ExecuteNonQuery();
}
cancellationToken.ThrowIfCancellationRequested();
}
transaction.Commit();
}
catch (OperationCanceledException)
{
if (transaction != null)
{
transaction.Rollback();
}
throw;
}
catch (Exception e)
{
Logger.ErrorException("Failed to save user data:", e);
if (transaction != null)
{
transaction.Rollback();
}
throw;
}
finally
{
if (transaction != null)
{
transaction.Dispose();
}
WriteLock.Release();
}
}
/// <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 (var cmd = _connection.CreateCommand())
{
cmd.CommandText = "select key,userid,rating,played,playCount,isFavorite,playbackPositionTicks,lastPlayedDate,AudioStreamIndex,SubtitleStreamIndex from userdata where key = @key and userId=@userId";
cmd.Parameters.Add(cmd, "@key", DbType.String).Value = key;
cmd.Parameters.Add(cmd, "@userId", DbType.Guid).Value = userId;
using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult | CommandBehavior.SingleRow))
{
if (reader.Read())
{
return ReadRow(reader);
}
}
return null;
}
}
/// <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");
}
using (var cmd = _connection.CreateCommand())
{
cmd.CommandText = "select key,userid,rating,played,playCount,isFavorite,playbackPositionTicks,lastPlayedDate,AudioStreamIndex,SubtitleStreamIndex from userdata where userId=@userId";
cmd.Parameters.Add(cmd, "@userId", DbType.Guid).Value = userId;
using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult))
{
while (reader.Read())
{
yield return ReadRow(reader);
}
}
}
}
/// <summary>
/// Read a row from the specified reader into the provided userData object
/// </summary>
/// <param name="reader"></param>
private UserItemData ReadRow(IDataReader reader)
{
var userData = new UserItemData();
userData.Key = reader.GetString(0);
userData.UserId = reader.GetGuid(1);
if (!reader.IsDBNull(2))
{
userData.Rating = reader.GetDouble(2);
}
userData.Played = reader.GetBoolean(3);
userData.PlayCount = reader.GetInt32(4);
userData.IsFavorite = reader.GetBoolean(5);
userData.PlaybackPositionTicks = reader.GetInt64(6);
if (!reader.IsDBNull(7))
{
userData.LastPlayedDate = reader.GetDateTime(7).ToUniversalTime();
}
if (!reader.IsDBNull(8))
{
userData.AudioStreamIndex = reader.GetInt32(8);
}
if (!reader.IsDBNull(9))
{
userData.SubtitleStreamIndex = reader.GetInt32(9);
}
return userData;
}
protected override void CloseConnection()
{
if (_connection != null)
{
if (_connection.IsOpen())
{
_connection.Close();
}
_connection.Dispose();
_connection = null;
}
}
}
}