mirror of
https://github.com/claunia/romrepomgr.git
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119 lines
4.3 KiB
C#
119 lines
4.3 KiB
C#
/******************************************************************************
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// RomRepoMgr - ROM repository manager
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// ----------------------------------------------------------------------------
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//
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2020 Natalia Portillo
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*******************************************************************************/
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using System;
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using System.Diagnostics;
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using System.IO;
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using Aaru.Checksums;
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using RomRepoMgr.Core.EventArgs;
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using SabreTools.Library.DatFiles;
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using ErrorEventArgs = RomRepoMgr.Core.EventArgs.ErrorEventArgs;
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namespace RomRepoMgr.Core.Workers
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{
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public sealed class DatImporter
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{
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readonly string _datFilesPath;
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readonly string _datPath;
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bool _aborted;
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public DatImporter(string datPath)
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{
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_datPath = datPath;
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_datFilesPath = Path.Combine(Settings.Settings.Current.RepositoryPath, "datfiles");
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}
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public void Import()
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{
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try
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{
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SetIndeterminateProgress?.Invoke(this, System.EventArgs.Empty);
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SetMessage?.Invoke(this, new MessageEventArgs
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{
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Message = "Parsing DAT file..."
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});
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DateTime start = DateTime.UtcNow;
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var datFile = DatFile.CreateAndParse(_datPath);
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DateTime end = DateTime.UtcNow;
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double elapsed = (end - start).TotalSeconds;
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SetMessage?.Invoke(this, new MessageEventArgs
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{
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Message = "Hashing DAT file..."
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});
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string datHash = Sha384Context.File(_datPath, out _);
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if(!Directory.Exists(_datFilesPath))
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Directory.CreateDirectory(_datFilesPath);
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string compressedDatPath = Path.Combine(_datFilesPath, datHash + ".lz");
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if(File.Exists(compressedDatPath))
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{
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ErrorOccurred?.Invoke(this, new ErrorEventArgs
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{
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Message = "DAT file is already in database, not importing duplicates."
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});
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return;
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}
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SetMessage?.Invoke(this, new MessageEventArgs
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{
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Message = "Compressing DAT file..."
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});
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var datCompress = new Compression();
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datCompress.SetProgress += SetProgress;
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datCompress.SetProgressBounds += SetProgressBounds;
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datCompress.CompressFile(_datPath, compressedDatPath);
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WorkFinished?.Invoke(this, System.EventArgs.Empty);
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}
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catch(Exception e)
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{
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if(Debugger.IsAttached)
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throw;
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ErrorOccurred?.Invoke(this, new ErrorEventArgs
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{
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Message = "Unhandled exception occurred."
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});
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}
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}
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public void Abort() => _aborted = true;
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public event EventHandler SetIndeterminateProgress;
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public event EventHandler WorkFinished;
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public event EventHandler<ErrorEventArgs> ErrorOccurred;
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public event EventHandler<ProgressBoundsEventArgs> SetProgressBounds;
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public event EventHandler<ProgressEventArgs> SetProgress;
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public event EventHandler<MessageEventArgs> SetMessage;
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}
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} |