private async Task <DirectoryTreeNode> GetVpkInventoryFileTreeAsync(VpkInventory vpkInventory, CancellationToken cancellationToken = default)
{
var rootNode = new DirectoryTreeNode()
{
Name = "Root"
};
foreach (var package in vpkInventory.Packages)
{
cancellationToken.ThrowIfCancellationRequested();
var packageNode = new DirectoryTreeNode()
{
Name = package.Filename
};
foreach (var entry in package.Entries)
{
cancellationToken.ThrowIfCancellationRequested();
var currentDirectory = packageNode;
var pathParts = entry.Filename.Split('/');
// Last part is always filename
for (int i = 0; i < pathParts.Length - 1; i++)
{
var childDirectory = currentDirectory.Directories.SingleOrDefault(d => d.Name == pathParts[i]);
if (childDirectory == null)
{
childDirectory = new DirectoryTreeNode()
{
Name = pathParts[i]
};
currentDirectory.Directories.Add(childDirectory);
}
currentDirectory = childDirectory;
}
currentDirectory.Files.Add(new FileTreeNode()
{
Name = pathParts.Last(),
Hash = entry.Sha256,
});
}
rootNode.Directories.Add(packageNode);
}
return(rootNode);
}
public async Task <DirectoryTreeNode> CalculateFileTreeDiffAsync(DirectoryTreeNode sourceTree, DirectoryTreeNode targetTree, CancellationToken cancellationToken = default)
{
var directoryName = sourceTree != null ? sourceTree.Name : targetTree.Name;
var diffDirectory = new DirectoryTreeNode()
{
Name = directoryName,
};
if (sourceTree == null)
{
foreach (var file in targetTree.Files)
{
cancellationToken.ThrowIfCancellationRequested();
diffDirectory.Files.Add(new FileTreeNode()
{
Name = file.Name,
DiffState = DiffState.Added
});
}
foreach (var directory in targetTree.Directories)
{
cancellationToken.ThrowIfCancellationRequested();
diffDirectory.Directories.Add(await CalculateFileTreeDiffAsync(null, directory, cancellationToken));
}
}
else if (targetTree == null)
{
foreach (var file in sourceTree.Files)
{
cancellationToken.ThrowIfCancellationRequested();
diffDirectory.Files.Add(new FileTreeNode()
{
Name = file.Name,
DiffState = DiffState.Deleted
});
}
foreach (var directory in sourceTree.Directories)
{
cancellationToken.ThrowIfCancellationRequested();
diffDirectory.Directories.Add(await CalculateFileTreeDiffAsync(directory, null, cancellationToken));
}
}
else
{
foreach (var targetFile in targetTree.Files)
{
cancellationToken.ThrowIfCancellationRequested();
var fileDiffStatus = DiffState.None;
var sourceFile = sourceTree.Files.SingleOrDefault(c => c.Name == targetFile.Name);
if (sourceFile == null)
{
fileDiffStatus = DiffState.Added;
}
else if (sourceFile.Hash != targetFile.Hash)
{
fileDiffStatus = DiffState.Modified;
}
diffDirectory.Files.Add(new FileTreeNode()
{
Name = targetFile.Name,
DiffState = fileDiffStatus
});
}
foreach (var targetDirectory in targetTree.Directories)
{
cancellationToken.ThrowIfCancellationRequested();
var sourceDirectory = sourceTree.Directories.SingleOrDefault(c => c.Name == targetDirectory.Name);
diffDirectory.Directories.Add(await CalculateFileTreeDiffAsync(sourceDirectory, targetDirectory, cancellationToken));
}
}
return(diffDirectory);
}