diff options
Diffstat (limited to 'MediaBrowser.Server.Implementations/Persistence/SqliteProviderInfoRepository.cs')
| -rw-r--r-- | MediaBrowser.Server.Implementations/Persistence/SqliteProviderInfoRepository.cs | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/MediaBrowser.Server.Implementations/Persistence/SqliteProviderInfoRepository.cs b/MediaBrowser.Server.Implementations/Persistence/SqliteProviderInfoRepository.cs deleted file mode 100644 index 40d5c9586..000000000 --- a/MediaBrowser.Server.Implementations/Persistence/SqliteProviderInfoRepository.cs +++ /dev/null @@ -1,248 +0,0 @@ -using MediaBrowser.Common.Configuration; -using MediaBrowser.Controller.Providers; -using MediaBrowser.Model.Logging; -using System; -using System.Data; -using System.IO; -using System.Linq; -using System.Text; -using System.Threading; -using System.Threading.Tasks; - -namespace MediaBrowser.Server.Implementations.Persistence -{ - public class SqliteProviderInfoRepository : BaseSqliteRepository, IProviderRepository - { - private IDbConnection _connection; - - private IDbCommand _saveStatusCommand; - private readonly IApplicationPaths _appPaths; - - public SqliteProviderInfoRepository(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, "refreshinfo.db"); - - _connection = await dbConnector.Connect(dbFile).ConfigureAwait(false); - - string[] queries = { - - "create table if not exists MetadataStatus (ItemId GUID PRIMARY KEY, DateLastMetadataRefresh datetime, DateLastImagesRefresh datetime, ItemDateModified DateTimeNull)", - "create index if not exists idx_MetadataStatus on MetadataStatus(ItemId)", - - //pragmas - "pragma temp_store = memory", - - "pragma shrink_memory" - }; - - _connection.RunQueries(queries, Logger); - - AddItemDateModifiedCommand(); - - PrepareStatements(); - } - - private static readonly string[] StatusColumns = - { - "ItemId", - "DateLastMetadataRefresh", - "DateLastImagesRefresh", - "ItemDateModified" - }; - - private void AddItemDateModifiedCommand() - { - using (var cmd = _connection.CreateCommand()) - { - cmd.CommandText = "PRAGMA table_info(MetadataStatus)"; - - using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult)) - { - while (reader.Read()) - { - if (!reader.IsDBNull(1)) - { - var name = reader.GetString(1); - - if (string.Equals(name, "ItemDateModified", StringComparison.OrdinalIgnoreCase)) - { - return; - } - } - } - } - } - - var builder = new StringBuilder(); - - builder.AppendLine("alter table MetadataStatus"); - builder.AppendLine("add column ItemDateModified DateTime NULL"); - - _connection.RunQueries(new[] { builder.ToString() }, Logger); - } - - /// <summary> - /// Prepares the statements. - /// </summary> - private void PrepareStatements() - { - _saveStatusCommand = _connection.CreateCommand(); - - _saveStatusCommand.CommandText = string.Format("replace into MetadataStatus ({0}) values ({1})", - string.Join(",", StatusColumns), - string.Join(",", StatusColumns.Select(i => "@" + i).ToArray())); - - foreach (var col in StatusColumns) - { - _saveStatusCommand.Parameters.Add(_saveStatusCommand, "@" + col); - } - } - - public MetadataStatus GetMetadataStatus(Guid itemId) - { - if (itemId == Guid.Empty) - { - throw new ArgumentNullException("itemId"); - } - - using (var cmd = _connection.CreateCommand()) - { - var cmdText = "select " + string.Join(",", StatusColumns) + " from MetadataStatus where"; - - cmdText += " ItemId=@ItemId"; - cmd.Parameters.Add(cmd, "@ItemId", DbType.Guid).Value = itemId; - - cmd.CommandText = cmdText; - - using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult | CommandBehavior.SingleRow)) - { - while (reader.Read()) - { - return GetStatus(reader); - } - - return null; - } - } - } - - private MetadataStatus GetStatus(IDataReader reader) - { - var result = new MetadataStatus - { - ItemId = reader.GetGuid(0) - }; - - if (!reader.IsDBNull(1)) - { - result.DateLastMetadataRefresh = reader.GetDateTime(1).ToUniversalTime(); - } - - if (!reader.IsDBNull(2)) - { - result.DateLastImagesRefresh = reader.GetDateTime(2).ToUniversalTime(); - } - - if (!reader.IsDBNull(3)) - { - result.ItemDateModified = reader.GetDateTime(3).ToUniversalTime(); - } - - return result; - } - - public async Task SaveMetadataStatus(MetadataStatus status, CancellationToken cancellationToken) - { - if (status == null) - { - throw new ArgumentNullException("status"); - } - - cancellationToken.ThrowIfCancellationRequested(); - - await WriteLock.WaitAsync(cancellationToken).ConfigureAwait(false); - - IDbTransaction transaction = null; - - try - { - transaction = _connection.BeginTransaction(); - - _saveStatusCommand.GetParameter(0).Value = status.ItemId; - _saveStatusCommand.GetParameter(1).Value = status.DateLastMetadataRefresh; - _saveStatusCommand.GetParameter(2).Value = status.DateLastImagesRefresh; - _saveStatusCommand.GetParameter(3).Value = status.ItemDateModified; - - _saveStatusCommand.Transaction = transaction; - - _saveStatusCommand.ExecuteNonQuery(); - - transaction.Commit(); - } - catch (OperationCanceledException) - { - if (transaction != null) - { - transaction.Rollback(); - } - - throw; - } - catch (Exception e) - { - Logger.ErrorException("Failed to save provider info:", e); - - if (transaction != null) - { - transaction.Rollback(); - } - - throw; - } - finally - { - if (transaction != null) - { - transaction.Dispose(); - } - - WriteLock.Release(); - } - } - - protected override void CloseConnection() - { - if (_connection != null) - { - if (_connection.IsOpen()) - { - _connection.Close(); - } - - _connection.Dispose(); - _connection = null; - } - } - } -} |
