Create methods to retrieve/save all user data for a user

This commit is contained in:
Eric Reed 2014-09-20 17:57:16 -04:00
parent 25ecc40134
commit 93f87678c2
2 changed files with 169 additions and 16 deletions

View File

@ -1,4 +1,5 @@
using MediaBrowser.Controller.Entities;
using System.Collections.Generic;
using MediaBrowser.Controller.Entities;
using System;
using System.Threading;
using System.Threading.Tasks;
@ -33,5 +34,22 @@ namespace MediaBrowser.Controller.Persistence
/// <param name="key">The key.</param>
/// <returns>Task{UserItemData}.</returns>
UserItemData GetUserData(Guid userId, string key);
/// <summary>
/// Return all user data associated with the given user
/// </summary>
/// <param name="userId"></param>
/// <returns></returns>
IEnumerable<UserItemData> GetAllUserData(Guid userId);
/// <summary>
/// Save all user data associated with the given user
/// </summary>
/// <param name="userId"></param>
/// <param name="userData"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
Task SaveAllUserData(Guid userId, IEnumerable<UserItemData> userData, CancellationToken cancellationToken);
}
}

View File

@ -1,4 +1,5 @@
using MediaBrowser.Common.Configuration;
using System.Collections.Generic;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Persistence;
using MediaBrowser.Model.Logging;
@ -117,6 +118,20 @@ namespace MediaBrowser.Server.Implementations.Persistence
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>
@ -188,6 +203,79 @@ namespace MediaBrowser.Server.Implementations.Persistence
}
}
/// <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) 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();
}
}
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>
@ -227,20 +315,7 @@ namespace MediaBrowser.Server.Implementations.Persistence
{
if (reader.Read())
{
if (!reader.IsDBNull(0))
{
userData.Rating = reader.GetDouble(0);
}
userData.Played = reader.GetBoolean(1);
userData.PlayCount = reader.GetInt32(2);
userData.IsFavorite = reader.GetBoolean(3);
userData.PlaybackPositionTicks = reader.GetInt64(4);
if (!reader.IsDBNull(5))
{
userData.LastPlayedDate = reader.GetDateTime(5).ToUniversalTime();
}
ReadRow(reader, ref userData);
}
}
@ -248,6 +323,66 @@ namespace MediaBrowser.Server.Implementations.Persistence
}
}
/// <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 rating,played,playCount,isFavorite,playbackPositionTicks,lastPlayedDate,key 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())
{
var userData = new UserItemData
{
UserId = userId,
};
ReadRow(reader, ref userData);
userData.Key = reader.GetString(6);
yield return userData;
}
}
}
}
/// <summary>
/// Read a row from the specified reader into the provided userData object
/// </summary>
/// <param name="reader"></param>
/// <param name="userData"></param>
private static void ReadRow(IDataReader reader, ref UserItemData userData)
{
if (!reader.IsDBNull(0))
{
userData.Rating = reader.GetDouble(0);
}
userData.Played = reader.GetBoolean(1);
userData.PlayCount = reader.GetInt32(2);
userData.IsFavorite = reader.GetBoolean(3);
userData.PlaybackPositionTicks = reader.GetInt64(4);
if (!reader.IsDBNull(5))
{
userData.LastPlayedDate = reader.GetDateTime(5).ToUniversalTime();
}
}
/// <summary>
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
/// </summary>