jellyfin/MediaBrowser.Server.Implementations/Persistence/SqliteUserDataRepository.cs

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using MediaBrowser.Common.Configuration;
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using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Persistence;
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using MediaBrowser.Model.Logging;
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.IO;
using System.Threading;
using System.Threading.Tasks;
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namespace MediaBrowser.Server.Implementations.Persistence
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{
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public class SqliteUserDataRepository : BaseSqliteRepository, IUserDataRepository
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{
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private IDbConnection _connection;
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private readonly IApplicationPaths _appPaths;
public SqliteUserDataRepository(ILogManager logManager, IApplicationPaths appPaths) : base(logManager)
{
_appPaths = appPaths;
}
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/// <summary>
/// Gets the name of the repository
/// </summary>
/// <value>The name.</value>
public string Name
{
get
{
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return "SQLite";
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}
}
/// <summary>
/// Opens the connection to the database
/// </summary>
/// <returns>Task.</returns>
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public async Task Initialize()
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{
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var dbFile = Path.Combine(_appPaths.DataPath, "userdata_v2.db");
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_connection = await SqliteExtensions.ConnectToDb(dbFile, Logger).ConfigureAwait(false);
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string[] queries = {
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"create table if not exists userdata (key nvarchar, userId GUID, rating float null, played bit, playCount int, isFavorite bit, playbackPositionTicks bigint, lastPlayedDate datetime null)",
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"create unique index if not exists userdataindex on userdata (key, userId)",
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//pragmas
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"pragma temp_store = memory",
"pragma shrink_memory"
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};
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_connection.RunQueries(queries, Logger);
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}
/// <summary>
/// Saves the user data.
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/// </summary>
/// <param name="userId">The user id.</param>
/// <param name="key">The key.</param>
/// <param name="userData">The user data.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
/// <exception cref="System.ArgumentNullException">userData
/// or
/// cancellationToken
/// or
/// userId
/// or
/// userDataId</exception>
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public Task SaveUserData(Guid userId, string key, UserItemData userData, CancellationToken cancellationToken)
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{
if (userData == null)
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{
throw new ArgumentNullException("userData");
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}
if (userId == Guid.Empty)
{
throw new ArgumentNullException("userId");
}
if (string.IsNullOrEmpty(key))
{
throw new ArgumentNullException("key");
}
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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();
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await WriteLock.WaitAsync(cancellationToken).ConfigureAwait(false);
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IDbTransaction transaction = null;
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try
{
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transaction = _connection.BeginTransaction();
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using (var cmd = _connection.CreateCommand())
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{
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cmd.CommandText = "replace into userdata (key, userId, rating,played,playCount,isFavorite,playbackPositionTicks,lastPlayedDate) values (@key, @userId, @rating,@played,@playCount,@isFavorite,@playbackPositionTicks,@lastPlayedDate)";
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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;
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cmd.Transaction = transaction;
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cmd.ExecuteNonQuery();
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}
transaction.Commit();
}
catch (OperationCanceledException)
{
if (transaction != null)
{
transaction.Rollback();
}
throw;
}
catch (Exception e)
{
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Logger.ErrorException("Failed to save user data:", e);
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if (transaction != null)
{
transaction.Rollback();
}
throw;
}
finally
{
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if (transaction != null)
{
transaction.Dispose();
}
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WriteLock.Release();
}
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}
/// <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();
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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) values (@key, @userId, @rating,@played,@playCount,@isFavorite,@playbackPositionTicks,@lastPlayedDate)";
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.Transaction = transaction;
cmd.ExecuteNonQuery();
}
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cancellationToken.ThrowIfCancellationRequested();
}
transaction.Commit();
}
catch (OperationCanceledException)
{
if (transaction != null)
{
transaction.Rollback();
}
throw;
}
catch (Exception e)
{
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Logger.ErrorException("Failed to save user data:", e);
if (transaction != null)
{
transaction.Rollback();
}
throw;
}
finally
{
if (transaction != null)
{
transaction.Dispose();
}
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WriteLock.Release();
}
}
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/// <summary>
/// Gets the user data.
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/// </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>
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public UserItemData GetUserData(Guid userId, string key)
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{
if (userId == Guid.Empty)
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{
throw new ArgumentNullException("userId");
}
if (string.IsNullOrEmpty(key))
{
throw new ArgumentNullException("key");
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}
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using (var cmd = _connection.CreateCommand())
{
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cmd.CommandText = "select key,userid,rating,played,playCount,isFavorite,playbackPositionTicks,lastPlayedDate from userdata where key = @key and userId=@userId";
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cmd.Parameters.Add(cmd, "@key", DbType.String).Value = key;
cmd.Parameters.Add(cmd, "@userId", DbType.Guid).Value = userId;
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using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult | CommandBehavior.SingleRow))
{
if (reader.Read())
{
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return ReadRow(reader);
}
}
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return new UserItemData
{
UserId = userId,
Key = key
};
}
}
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/// <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())
{
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cmd.CommandText = "select key,userid,rating,played,playCount,isFavorite,playbackPositionTicks,lastPlayedDate 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())
{
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yield return ReadRow(reader);
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}
}
}
}
/// <summary>
/// Read a row from the specified reader into the provided userData object
/// </summary>
/// <param name="reader"></param>
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private UserItemData ReadRow(IDataReader reader)
{
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var userData = new UserItemData();
userData.Key = reader.GetString(0);
userData.UserId = reader.GetGuid(1);
if (!reader.IsDBNull(2))
{
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userData.Rating = reader.GetDouble(2);
}
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userData.Played = reader.GetBoolean(3);
userData.PlayCount = reader.GetInt32(4);
userData.IsFavorite = reader.GetBoolean(5);
userData.PlaybackPositionTicks = reader.GetInt64(6);
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if (!reader.IsDBNull(7))
{
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userData.LastPlayedDate = reader.GetDateTime(7).ToUniversalTime();
}
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return userData;
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}
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protected override void CloseConnection()
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{
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if (_connection != null)
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{
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if (_connection.IsOpen())
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{
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_connection.Close();
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}
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_connection.Dispose();
_connection = null;
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}
}
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}
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}