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refactor: rewrite file histories page to only focus on selected file (#403)

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leo 2024-08-24 11:36:02 +08:00
parent 1caf02ff06
commit db8de81120
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9 changed files with 327 additions and 103 deletions
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157
src/ViewModels/FileHistories.cs
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@ -1,11 +1,22 @@
using System.Collections.Generic;
using System.IO;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using Avalonia.Media.Imaging;
using Avalonia.Threading;
using CommunityToolkit.Mvvm.ComponentModel;
namespace SourceGit.ViewModels
{
public class FileHistories : ObservableObject
public class FileHistoriesRevisionFile(string path, object content)
{
public string Path { get; set; } = path;
public object Content { get; set; } = content;
}
public partial class FileHistories : ObservableObject
{
public bool IsLoading
{
@ -25,38 +36,30 @@ namespace SourceGit.ViewModels
set
{
if (SetProperty(ref _selectedCommit, value))
{
if (value == null)
{
DiffContext = null;
DetailContext.Commit = null;
}
else
{
DiffContext = new DiffContext(_repo.FullPath, new Models.DiffOption(value, _file), _diffContext);
DetailContext.Commit = value;
}
}
RefreshViewContent();
}
}
public DiffContext DiffContext
public int ViewMode
{
get => _diffContext;
set => SetProperty(ref _diffContext, value);
get => _viewMode;
set
{
if (SetProperty(ref _viewMode, value))
RefreshViewContent();
}
}
public CommitDetail DetailContext
public object ViewContent
{
get => _detailContext;
set => SetProperty(ref _detailContext, value);
get => _viewContent;
private set => SetProperty(ref _viewContent, value);
}
public FileHistories(Repository repo, string file)
{
_repo = repo;
_file = file;
_detailContext = new CommitDetail(repo);
Task.Run(() =>
{
@ -71,12 +74,122 @@ namespace SourceGit.ViewModels
});
}
public void NavigateToCommit(Models.Commit commit)
{
_repo.NavigateToCommit(commit.SHA);
}
private void RefreshViewContent()
{
if (_selectedCommit == null)
{
ViewContent = null;
return;
}
if (_viewMode == 0)
SetViewContentAsRevisionFile();
else
SetViewContentAsDiff();
}
private void SetViewContentAsRevisionFile()
{
var objs = new Commands.QueryRevisionObjects(_repo.FullPath, _selectedCommit.SHA, _file).Result();
if (objs.Count == 0)
{
ViewContent = new FileHistoriesRevisionFile(_file, null);
return;
}
var obj = objs[0];
switch (obj.Type)
{
case Models.ObjectType.Blob:
Task.Run(() =>
{
var isBinary = new Commands.IsBinary(_repo.FullPath, _selectedCommit.SHA, _file).Result();
if (isBinary)
{
var ext = Path.GetExtension(_file);
if (IMG_EXTS.Contains(ext))
{
var stream = Commands.QueryFileContent.Run(_repo.FullPath, _selectedCommit.SHA, _file);
var bitmap = stream.Length > 0 ? new Bitmap(stream) : null;
var image = new Models.RevisionImageFile() { Image = bitmap };
Dispatcher.UIThread.Invoke(() => ViewContent = new FileHistoriesRevisionFile(_file, image));
}
else
{
var size = new Commands.QueryFileSize(_repo.FullPath, _file, _selectedCommit.SHA).Result();
var binaryFile = new Models.RevisionBinaryFile() { Size = size };
Dispatcher.UIThread.Invoke(() => ViewContent = new FileHistoriesRevisionFile(_file, binaryFile));
}
return;
}
var contentStream = Commands.QueryFileContent.Run(_repo.FullPath, _selectedCommit.SHA, _file);
var content = new StreamReader(contentStream).ReadToEnd();
var matchLFS = REG_LFS_FORMAT().Match(content);
if (matchLFS.Success)
{
var lfs = new Models.RevisionLFSObject() { Object = new Models.LFSObject() };
lfs.Object.Oid = matchLFS.Groups[1].Value;
lfs.Object.Size = long.Parse(matchLFS.Groups[2].Value);
Dispatcher.UIThread.Invoke(() => ViewContent = new FileHistoriesRevisionFile(_file, lfs));
}
else
{
var txt = new Models.RevisionTextFile() { FileName = obj.Path, Content = content };
Dispatcher.UIThread.Invoke(() => ViewContent = new FileHistoriesRevisionFile(_file, txt));
}
});
break;
case Models.ObjectType.Commit:
Task.Run(() =>
{
var submoduleRoot = Path.Combine(_repo.FullPath, _file);
var commit = new Commands.QuerySingleCommit(submoduleRoot, obj.SHA).Result();
if (commit != null)
{
var message = new Commands.QueryCommitFullMessage(submoduleRoot, obj.SHA).Result();
var module = new Models.RevisionSubmodule() { Commit = commit, FullMessage = message };
Dispatcher.UIThread.Invoke(() => ViewContent = new FileHistoriesRevisionFile(_file, module));
}
else
{
var module = new Models.RevisionSubmodule() { Commit = new Models.Commit() { SHA = obj.SHA }, FullMessage = "" };
Dispatcher.UIThread.Invoke(() => ViewContent = new FileHistoriesRevisionFile(_file, module));
}
});
break;
default:
ViewContent = new FileHistoriesRevisionFile(_file, null);
break;
}
}
private void SetViewContentAsDiff()
{
var option = new Models.DiffOption(_selectedCommit, _file);
ViewContent = new DiffContext(_repo.FullPath, option, _viewContent as DiffContext);
}
[GeneratedRegex(@"^version https://git-lfs.github.com/spec/v\d+\r?\noid sha256:([0-9a-f]+)\r?\nsize (\d+)[\r\n]*$")]
private static partial Regex REG_LFS_FORMAT();
private static readonly HashSet<string> IMG_EXTS = new HashSet<string>()
{
".ico", ".bmp", ".jpg", ".png", ".jpeg"
};
private readonly Repository _repo = null;
private readonly string _file = null;
private bool _isLoading = true;
private List<Models.Commit> _commits = null;
private Models.Commit _selectedCommit = null;
private DiffContext _diffContext = null;
private CommitDetail _detailContext = null;
private int _viewMode = 0;
private object _viewContent = null;
}
}