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schema-less user data

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This commit is contained in:
Luke Pulverenti 2013-05-09 16:29:50 -04:00
parent 45dcb05ffd
commit f233f9c4e5
1 changed files with 16 additions and 38 deletions
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46
MediaBrowser.Server.Implementations/Sqlite/SQLiteUserDataRepository.cs
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@ -94,9 +94,8 @@ namespace MediaBrowser.Server.Implementations.Sqlite
string[] queries = {
"create table if not exists useritemdata (key nvarchar, userId GUID, Rating float null, PlaybackPositionTicks bigint, PlayCount int, IsFavorite bit, Played bit, LastPlayedDate bigint null)",
"create unique index if not exists useritemdataindex on useritemdata (key, userId)",
"create table if not exists userdata (key nvarchar, userId GUID, data BLOB)",
"create unique index if not exists userdataindex on userdata (key, userId)",
"create table if not exists schema_version (table_name primary key, version)",
//pragmas
"pragma temp_store = memory"
@ -181,26 +180,16 @@ namespace MediaBrowser.Server.Implementations.Sqlite
{
cancellationToken.ThrowIfCancellationRequested();
var serialized = _jsonSerializer.SerializeToBytes(userData);
cancellationToken.ThrowIfCancellationRequested();
using (var cmd = connection.CreateCommand())
{
cmd.CommandText = "replace into useritemdata (key, userId, Rating,PlaybackPositionTicks,PlayCount,IsFavorite,Played,LastPlayedDate) values (@1, @2, @3, @4, @5, @6, @7, @8)";
cmd.CommandText = "replace into userdata (key, userId, data) values (@1, @2, @3)";
cmd.AddParam("@1", key);
cmd.AddParam("@2", userId);
cmd.AddParam("@3", userData.Rating);
cmd.AddParam("@4", userData.PlaybackPositionTicks);
cmd.AddParam("@5", userData.PlayCount);
cmd.AddParam("@6", userData.IsFavorite);
cmd.AddParam("@7", userData.Played);
if (userData.LastPlayedDate.HasValue)
{
cmd.AddParam("@8", userData.LastPlayedDate.Value.Ticks);
}
else
{
cmd.AddParam("@8", null);
}
cmd.AddParam("@3", serialized);
using (var tran = connection.BeginTransaction())
{
@ -260,7 +249,7 @@ namespace MediaBrowser.Server.Implementations.Sqlite
{
using (var cmd = connection.CreateCommand())
{
cmd.CommandText = "select Rating,PlaybackPositionTicks,PlayCount,IsFavorite,Played,LastPlayedDate from useritemdata where key = @key and userId=@userId";
cmd.CommandText = "select data from userdata where key = @key and userId=@userId";
var idParam = cmd.Parameters.Add("@key", DbType.String);
idParam.Value = key;
@ -268,29 +257,18 @@ namespace MediaBrowser.Server.Implementations.Sqlite
var userIdParam = cmd.Parameters.Add("@userId", DbType.Guid);
userIdParam.Value = userId;
var userdata = new UserItemData();
using (var reader = await cmd.ExecuteReaderAsync(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult | CommandBehavior.SingleRow).ConfigureAwait(false))
{
if (reader.Read())
{
if (!reader.IsDBNull(0))
using (var stream = GetStream(reader, 0))
{
userdata.Rating = reader.GetDouble(0);
}
userdata.PlaybackPositionTicks = reader.GetInt64(1);
userdata.PlayCount = reader.GetInt32(2);
userdata.IsFavorite = reader.GetBoolean(3);
userdata.Played = reader.GetBoolean(4);
if (!reader.IsDBNull(5))
{
userdata.LastPlayedDate = new DateTime(reader.GetInt64(5));
return _jsonSerializer.DeserializeFromStream<UserItemData>(stream);
}
}
}
return userdata;
return new UserItemData();
}
}
}