mirror of
https://github.com/claunia/romrepomgr.git
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108 lines
4.2 KiB
C#
108 lines
4.2 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 © 2020-2024 Natalia Portillo
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*******************************************************************************/
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using System.IO;
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using System.Threading.Tasks;
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using Avalonia.Threading;
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using CommunityToolkit.Mvvm.ComponentModel;
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using RomRepoMgr.Core;
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using RomRepoMgr.Database;
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using RomRepoMgr.Database.Models;
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using RomRepoMgr.Resources;
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using RomRepoMgr.Views;
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using Serilog;
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using Serilog.Extensions.Logging;
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namespace RomRepoMgr.ViewModels;
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public sealed partial class RemoveDatViewModel : ViewModelBase
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{
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readonly long _romSetId;
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readonly RemoveDat _view;
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[ObservableProperty]
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string _statusMessage;
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// Mock
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public RemoveDatViewModel() {}
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public RemoveDatViewModel(RemoveDat view, long romSetId)
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{
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_view = view;
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_romSetId = romSetId;
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}
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internal void OnOpened()
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{
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_ = Task.Run(() =>
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{
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using var ctx = Context.Create(Settings.Settings.Current.DatabasePath,
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new SerilogLoggerFactory(Log.Logger));
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Dispatcher.UIThread.Post(() => StatusMessage = Localization.RetrievingRomSetFromDatabase);
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RomSet romSet = ctx.RomSets.Find(_romSetId);
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if(romSet == null) return;
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Dispatcher.UIThread.Post(() => StatusMessage = Localization.RemovingRomSetFromDatabase);
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ctx.RomSets.Remove(romSet);
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Dispatcher.UIThread.Post(() => StatusMessage = Localization.SavingChangesToDatabase);
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ctx.SaveChanges();
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Dispatcher.UIThread.Post(() => StatusMessage = Localization.RemovingDatFileFromRepo);
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byte[] sha384Bytes = new byte[48];
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string sha384 = romSet.Sha384;
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for(int i = 0; i < 48; i++)
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{
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if(sha384[i * 2] >= 0x30 && sha384[i * 2] <= 0x39)
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sha384Bytes[i] = (byte)((sha384[i * 2] - 0x30) * 0x10);
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else if(sha384[i * 2] >= 0x41 && sha384[i * 2] <= 0x46)
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sha384Bytes[i] = (byte)((sha384[i * 2] - 0x37) * 0x10);
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else if(sha384[i * 2] >= 0x61 && sha384[i * 2] <= 0x66)
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sha384Bytes[i] = (byte)((sha384[i * 2] - 0x57) * 0x10);
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if(sha384[i * 2 + 1] >= 0x30 && sha384[i * 2 + 1] <= 0x39)
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sha384Bytes[i] += (byte)(sha384[i * 2 + 1] - 0x30);
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else if(sha384[i * 2 + 1] >= 0x41 && sha384[i * 2 + 1] <= 0x46)
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sha384Bytes[i] += (byte)(sha384[i * 2 + 1] - 0x37);
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else if(sha384[i * 2 + 1] >= 0x61 && sha384[i * 2 + 1] <= 0x66)
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sha384Bytes[i] += (byte)(sha384[i * 2 + 1] - 0x57);
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}
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string datHash32 = Base32.ToBase32String(sha384Bytes);
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string datFilesPath = Path.Combine(Settings.Settings.Current.RepositoryPath, "datfiles");
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string compressedDatPath = Path.Combine(datFilesPath, datHash32 + ".lz");
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if(File.Exists(compressedDatPath)) File.Delete(compressedDatPath);
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Dispatcher.UIThread.Post(_view.Close);
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});
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}
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} |