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https://github.com/jellyfin/jellyfin.git
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474 lines
17 KiB
C#
474 lines
17 KiB
C#
using MediaBrowser.Controller;
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using MediaBrowser.Controller.Persistence;
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using MediaBrowser.Model.FileOrganization;
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using MediaBrowser.Model.Logging;
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using MediaBrowser.Model.Querying;
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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.Globalization;
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using System.IO;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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namespace MediaBrowser.Server.Implementations.Persistence
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{
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public class SqliteFileOrganizationRepository : IFileOrganizationRepository
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{
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private IDbConnection _connection;
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private readonly ILogger _logger;
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private readonly SemaphoreSlim _writeLock = new SemaphoreSlim(1, 1);
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private SqliteShrinkMemoryTimer _shrinkMemoryTimer;
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private readonly IServerApplicationPaths _appPaths;
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private readonly CultureInfo _usCulture = new CultureInfo("en-US");
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private IDbCommand _saveResultCommand;
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private IDbCommand _deleteResultCommand;
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private IDbCommand _deleteAllCommand;
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public SqliteFileOrganizationRepository(ILogManager logManager, IServerApplicationPaths appPaths)
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{
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_appPaths = appPaths;
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_logger = logManager.GetLogger(GetType().Name);
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}
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/// <summary>
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/// Opens the connection to the database
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/// </summary>
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/// <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, "fileorganization.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 FileOrganizerResults (ResultId GUID PRIMARY KEY, OriginalPath TEXT, TargetPath TEXT, FileLength INT, OrganizationDate datetime, Status TEXT, OrganizationType TEXT, StatusMessage TEXT, ExtractedName TEXT, ExtractedYear int null, ExtractedSeasonNumber int null, ExtractedEpisodeNumber int null, ExtractedEndingEpisodeNumber, DuplicatePaths TEXT int null)",
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"create index if not exists idx_FileOrganizerResults on FileOrganizerResults(ResultId)",
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//pragmas
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"pragma temp_store = memory",
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"pragma shrink_memory"
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};
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_connection.RunQueries(queries, _logger);
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PrepareStatements();
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_shrinkMemoryTimer = new SqliteShrinkMemoryTimer(_connection, _writeLock, _logger);
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}
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private void PrepareStatements()
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{
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_saveResultCommand = _connection.CreateCommand();
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_saveResultCommand.CommandText = "replace into FileOrganizerResults (ResultId, OriginalPath, TargetPath, FileLength, OrganizationDate, Status, OrganizationType, StatusMessage, ExtractedName, ExtractedYear, ExtractedSeasonNumber, ExtractedEpisodeNumber, ExtractedEndingEpisodeNumber, DuplicatePaths) values (@ResultId, @OriginalPath, @TargetPath, @FileLength, @OrganizationDate, @Status, @OrganizationType, @StatusMessage, @ExtractedName, @ExtractedYear, @ExtractedSeasonNumber, @ExtractedEpisodeNumber, @ExtractedEndingEpisodeNumber, @DuplicatePaths)";
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_saveResultCommand.Parameters.Add(_saveResultCommand, "@ResultId");
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_saveResultCommand.Parameters.Add(_saveResultCommand, "@OriginalPath");
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_saveResultCommand.Parameters.Add(_saveResultCommand, "@TargetPath");
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_saveResultCommand.Parameters.Add(_saveResultCommand, "@FileLength");
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_saveResultCommand.Parameters.Add(_saveResultCommand, "@OrganizationDate");
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_saveResultCommand.Parameters.Add(_saveResultCommand, "@Status");
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_saveResultCommand.Parameters.Add(_saveResultCommand, "@OrganizationType");
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_saveResultCommand.Parameters.Add(_saveResultCommand, "@StatusMessage");
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_saveResultCommand.Parameters.Add(_saveResultCommand, "@ExtractedName");
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_saveResultCommand.Parameters.Add(_saveResultCommand, "@ExtractedYear");
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_saveResultCommand.Parameters.Add(_saveResultCommand, "@ExtractedSeasonNumber");
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_saveResultCommand.Parameters.Add(_saveResultCommand, "@ExtractedEpisodeNumber");
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_saveResultCommand.Parameters.Add(_saveResultCommand, "@ExtractedEndingEpisodeNumber");
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_saveResultCommand.Parameters.Add(_saveResultCommand, "@DuplicatePaths");
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_deleteResultCommand = _connection.CreateCommand();
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_deleteResultCommand.CommandText = "delete from FileOrganizerResults where ResultId = @ResultId";
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_deleteResultCommand.Parameters.Add(_saveResultCommand, "@ResultId");
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_deleteAllCommand = _connection.CreateCommand();
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_deleteAllCommand.CommandText = "delete from FileOrganizerResults";
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}
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public async Task SaveResult(FileOrganizationResult result, CancellationToken cancellationToken)
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{
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if (result == null)
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{
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throw new ArgumentNullException("result");
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}
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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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{
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transaction = _connection.BeginTransaction();
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var index = 0;
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_saveResultCommand.GetParameter(index++).Value = new Guid(result.Id);
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_saveResultCommand.GetParameter(index++).Value = result.OriginalPath;
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_saveResultCommand.GetParameter(index++).Value = result.TargetPath;
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_saveResultCommand.GetParameter(index++).Value = result.FileSize;
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_saveResultCommand.GetParameter(index++).Value = result.Date;
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_saveResultCommand.GetParameter(index++).Value = result.Status.ToString();
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_saveResultCommand.GetParameter(index++).Value = result.Type.ToString();
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_saveResultCommand.GetParameter(index++).Value = result.StatusMessage;
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_saveResultCommand.GetParameter(index++).Value = result.ExtractedName;
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_saveResultCommand.GetParameter(index++).Value = result.ExtractedYear;
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_saveResultCommand.GetParameter(index++).Value = result.ExtractedSeasonNumber;
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_saveResultCommand.GetParameter(index++).Value = result.ExtractedEpisodeNumber;
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_saveResultCommand.GetParameter(index++).Value = result.ExtractedEndingEpisodeNumber;
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_saveResultCommand.GetParameter(index).Value = string.Join("|", result.DuplicatePaths.ToArray());
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_saveResultCommand.Transaction = transaction;
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_saveResultCommand.ExecuteNonQuery();
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transaction.Commit();
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}
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catch (OperationCanceledException)
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{
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if (transaction != null)
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{
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transaction.Rollback();
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}
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throw;
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}
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catch (Exception e)
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{
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_logger.ErrorException("Failed to save FileOrganizationResult:", e);
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if (transaction != null)
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{
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transaction.Rollback();
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}
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throw;
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}
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finally
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{
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if (transaction != null)
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{
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transaction.Dispose();
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}
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_writeLock.Release();
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}
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}
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public async Task Delete(string id)
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{
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if (string.IsNullOrEmpty(id))
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{
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throw new ArgumentNullException("id");
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}
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await _writeLock.WaitAsync().ConfigureAwait(false);
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IDbTransaction transaction = null;
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try
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{
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transaction = _connection.BeginTransaction();
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_deleteResultCommand.GetParameter(0).Value = new Guid(id);
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_deleteResultCommand.Transaction = transaction;
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_deleteResultCommand.ExecuteNonQuery();
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transaction.Commit();
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}
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catch (OperationCanceledException)
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{
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if (transaction != null)
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{
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transaction.Rollback();
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}
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throw;
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}
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catch (Exception e)
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{
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_logger.ErrorException("Failed to delete FileOrganizationResult:", e);
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if (transaction != null)
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{
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transaction.Rollback();
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}
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throw;
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}
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finally
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{
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if (transaction != null)
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{
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transaction.Dispose();
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}
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_writeLock.Release();
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}
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}
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public async Task DeleteAll()
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{
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await _writeLock.WaitAsync().ConfigureAwait(false);
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IDbTransaction transaction = null;
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try
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{
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transaction = _connection.BeginTransaction();
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_deleteAllCommand.Transaction = transaction;
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_deleteAllCommand.ExecuteNonQuery();
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transaction.Commit();
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}
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catch (OperationCanceledException)
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{
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if (transaction != null)
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{
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transaction.Rollback();
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}
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throw;
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}
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catch (Exception e)
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{
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_logger.ErrorException("Failed to delete results", e);
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if (transaction != null)
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{
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transaction.Rollback();
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}
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throw;
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}
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finally
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{
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if (transaction != null)
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{
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transaction.Dispose();
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}
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_writeLock.Release();
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}
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}
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public QueryResult<FileOrganizationResult> GetResults(FileOrganizationResultQuery query)
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{
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if (query == null)
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{
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throw new ArgumentNullException("query");
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}
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using (var cmd = _connection.CreateCommand())
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{
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cmd.CommandText = "SELECT ResultId, OriginalPath, TargetPath, FileLength, OrganizationDate, Status, OrganizationType, StatusMessage, ExtractedName, ExtractedYear, ExtractedSeasonNumber, ExtractedEpisodeNumber, ExtractedEndingEpisodeNumber, DuplicatePaths from FileOrganizerResults";
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if (query.StartIndex.HasValue && query.StartIndex.Value > 0)
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{
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cmd.CommandText += string.Format(" WHERE ResultId NOT IN (SELECT ResultId FROM FileOrganizerResults ORDER BY OrganizationDate desc LIMIT {0})",
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query.StartIndex.Value.ToString(_usCulture));
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}
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cmd.CommandText += " ORDER BY OrganizationDate desc";
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if (query.Limit.HasValue)
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{
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cmd.CommandText += " LIMIT " + query.Limit.Value.ToString(_usCulture);
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}
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cmd.CommandText += "; select count (ResultId) from FileOrganizerResults";
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var list = new List<FileOrganizationResult>();
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var count = 0;
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using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess))
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{
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while (reader.Read())
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{
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list.Add(GetResult(reader));
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}
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if (reader.NextResult() && reader.Read())
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{
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count = reader.GetInt32(0);
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}
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}
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return new QueryResult<FileOrganizationResult>()
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{
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Items = list.ToArray(),
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TotalRecordCount = count
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};
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}
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}
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public FileOrganizationResult GetResult(string id)
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{
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if (string.IsNullOrEmpty(id))
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{
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throw new ArgumentNullException("id");
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}
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var guid = new Guid(id);
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using (var cmd = _connection.CreateCommand())
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{
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cmd.CommandText = "select ResultId, OriginalPath, TargetPath, FileLength, OrganizationDate, Status, OrganizationType, StatusMessage, ExtractedName, ExtractedYear, ExtractedSeasonNumber, ExtractedEpisodeNumber, ExtractedEndingEpisodeNumber, DuplicatePaths from FileOrganizerResults where ResultId=@Id";
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cmd.Parameters.Add(cmd, "@Id", DbType.Guid).Value = guid;
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using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult | CommandBehavior.SingleRow))
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{
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if (reader.Read())
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{
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return GetResult(reader);
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}
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}
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}
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return null;
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}
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public FileOrganizationResult GetResult(IDataReader reader)
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{
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var index = 0;
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var result = new FileOrganizationResult
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{
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Id = reader.GetGuid(0).ToString("N")
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};
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index++;
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if (!reader.IsDBNull(index))
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{
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result.OriginalPath = reader.GetString(index);
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}
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index++;
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if (!reader.IsDBNull(index))
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{
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result.TargetPath = reader.GetString(index);
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}
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index++;
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result.FileSize = reader.GetInt64(index);
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index++;
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result.Date = reader.GetDateTime(index).ToUniversalTime();
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index++;
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result.Status = (FileSortingStatus)Enum.Parse(typeof(FileSortingStatus), reader.GetString(index), true);
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index++;
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result.Type = (FileOrganizerType)Enum.Parse(typeof(FileOrganizerType), reader.GetString(index), true);
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index++;
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if (!reader.IsDBNull(index))
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{
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result.StatusMessage = reader.GetString(index);
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}
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result.OriginalFileName = Path.GetFileName(result.OriginalPath);
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index++;
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if (!reader.IsDBNull(index))
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{
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result.ExtractedName = reader.GetString(index);
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}
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index++;
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if (!reader.IsDBNull(index))
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{
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result.ExtractedYear = reader.GetInt32(index);
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}
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index++;
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if (!reader.IsDBNull(index))
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{
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result.ExtractedSeasonNumber = reader.GetInt32(index);
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}
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index++;
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if (!reader.IsDBNull(index))
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{
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result.ExtractedEpisodeNumber = reader.GetInt32(index);
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}
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index++;
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if (!reader.IsDBNull(index))
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{
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result.ExtractedEndingEpisodeNumber = reader.GetInt32(index);
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}
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index++;
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if (!reader.IsDBNull(index))
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{
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result.DuplicatePaths = reader.GetString(index).Split('|').Where(i => !string.IsNullOrEmpty(i)).ToList();
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}
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return result;
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}
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/// <summary>
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/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
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/// </summary>
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public void Dispose()
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{
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Dispose(true);
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GC.SuppressFinalize(this);
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}
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private readonly object _disposeLock = new object();
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/// <summary>
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/// Releases unmanaged and - optionally - managed resources.
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/// </summary>
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/// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
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protected virtual void Dispose(bool dispose)
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{
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if (dispose)
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{
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try
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{
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lock (_disposeLock)
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{
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if (_shrinkMemoryTimer != null)
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{
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_shrinkMemoryTimer.Dispose();
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_shrinkMemoryTimer = null;
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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();
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_connection = null;
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}
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}
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}
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catch (Exception ex)
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{
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_logger.ErrorException("Error disposing database", ex);
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}
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}
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}
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}
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}
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