Files
SharpIDE/src/SharpIDE.Application/Features/FileWatching/IdeFileExternalChangeHandler.cs
2025-10-20 19:12:19 +10:00

100 lines
4.1 KiB
C#

using Ardalis.GuardClauses;
using SharpIDE.Application.Features.Events;
using SharpIDE.Application.Features.SolutionDiscovery;
using SharpIDE.Application.Features.SolutionDiscovery.VsPersistence;
namespace SharpIDE.Application.Features.FileWatching;
public class IdeFileExternalChangeHandler
{
private readonly FileChangedService _fileChangedService;
private readonly SharpIdeSolutionModificationService _sharpIdeSolutionModificationService;
public SharpIdeSolutionModel SolutionModel { get; set; } = null!;
public IdeFileExternalChangeHandler(FileChangedService fileChangedService, SharpIdeSolutionModificationService sharpIdeSolutionModificationService)
{
_fileChangedService = fileChangedService;
_sharpIdeSolutionModificationService = sharpIdeSolutionModificationService;
GlobalEvents.Instance.FileSystemWatcherInternal.FileChanged.Subscribe(OnFileChanged);
GlobalEvents.Instance.FileSystemWatcherInternal.FileCreated.Subscribe(OnFileCreated);
GlobalEvents.Instance.FileSystemWatcherInternal.DirectoryCreated.Subscribe(OnFolderCreated);
GlobalEvents.Instance.FileSystemWatcherInternal.DirectoryDeleted.Subscribe(OnFolderDeleted);
}
private async Task OnFolderDeleted(string folderPath)
{
var sharpIdeFolder = SolutionModel.AllFolders.SingleOrDefault(f => f.Path == folderPath);
if (sharpIdeFolder is null)
{
return;
}
await _sharpIdeSolutionModificationService.RemoveDirectory(sharpIdeFolder);
}
private async Task OnFolderCreated(string folderPath)
{
var sharpIdeFolder = SolutionModel.AllFolders.SingleOrDefault(f => f.Path == folderPath);
if (sharpIdeFolder is not null)
{
//Console.WriteLine($"Error - Folder {folderPath} already exists");
return;
}
var containingFolderPath = Path.GetDirectoryName(folderPath)!;
var containingFolder = SolutionModel.AllFolders.SingleOrDefault(f => f.Path == containingFolderPath);
if (containingFolder is null)
{
Console.WriteLine($"Error - Containing Folder of {folderPath} does not exist");
return;
}
var folderName = Path.GetFileName(folderPath);
await _sharpIdeSolutionModificationService.AddDirectory(containingFolder, folderName);
}
private async Task OnFileCreated(string filePath)
{
// Create a new sharpIdeFile, update SolutionModel
var sharpIdeFile = SolutionModel.AllFiles.SingleOrDefault(f => f.Path == filePath);
if (sharpIdeFile is not null)
{
// It was likely already created via a parent folder creation
return;
}
// If sharpIdeFile is null, it means the file was created externally, and we need to create it and add it to the solution model
var createdFileDirectory = Path.GetDirectoryName(filePath)!;
var containingFolderOrProject = (IFolderOrProject?)SolutionModel.AllFolders.SingleOrDefault(f => f.Path == createdFileDirectory) ?? SolutionModel.AllProjects.SingleOrDefault(s => s.FilePath == createdFileDirectory);
if (containingFolderOrProject is null)
{
Console.WriteLine($"Error - Containing Folder or Project of {filePath} does not exist");
return;
}
sharpIdeFile = new SharpIdeFile(filePath, Path.GetFileName(filePath), containingFolderOrProject, []);
containingFolderOrProject.Files.Add(sharpIdeFile);
SolutionModel.AllFiles.Add(sharpIdeFile);
await _fileChangedService.SharpIdeFileAdded(sharpIdeFile, await File.ReadAllTextAsync(filePath));
}
private async Task OnFileChanged(string filePath)
{
var sharpIdeFile = SolutionModel.AllFiles.SingleOrDefault(f => f.Path == filePath);
if (sharpIdeFile is null) return;
if (sharpIdeFile.SuppressDiskChangeEvents is true) return;
if (sharpIdeFile.LastIdeWriteTime is not null)
{
var now = DateTimeOffset.Now;
if (now - sharpIdeFile.LastIdeWriteTime.Value < TimeSpan.FromMilliseconds(300))
{
Console.WriteLine($"IdeFileExternalChangeHandler: Ignored - {filePath}");
return;
}
}
Console.WriteLine($"IdeFileExternalChangeHandler: Changed - {filePath}");
var file = SolutionModel.AllFiles.SingleOrDefault(f => f.Path == filePath);
if (file is not null)
{
await _fileChangedService.SharpIdeFileChanged(file, await File.ReadAllTextAsync(file.Path), FileChangeType.ExternalChange);
}
}
}