private List <ExtensionDescriptor> AvailableExtensionsInFolder(string path, string extensionType, string manifestName, bool manifestIsOptional)
{
var localList = new List <ExtensionDescriptor>();
if (string.IsNullOrEmpty(path))
{
return(localList);
}
if (_logger.IsEnabled(LogLevel.Information))
{
_logger.LogInformation("Start looking for extensions in '{0}'...", path);
}
var subfolders = _fileSystem.ListDirectories(path);
foreach (var subfolder in subfolders)
{
var extensionId = subfolder.Name;
var manifestPath = _fileSystem.Combine(path, extensionId, manifestName);
try
{
var descriptor = GetExtensionDescriptor(path, extensionId, extensionType, manifestPath, manifestIsOptional);
if (descriptor == null)
{
continue;
}
if (descriptor.Path != null && !descriptor.Path.IsValidUrlSegment())
{
_logger.LogError("The module '{0}' could not be loaded because it has an invalid Path ({1}). It was ignored. The Path if specified must be a valid URL segment. The best bet is to stick with letters and numbers with no spaces.",
extensionId,
descriptor.Path);
continue;
}
if (descriptor.Path == null)
{
descriptor.Path = descriptor.Name.IsValidUrlSegment()
? descriptor.Name
: descriptor.Id;
}
localList.Add(descriptor);
}
catch (Exception ex)
{
// Ignore invalid module manifests
_logger.LogError(string.Format("The module '{0}' could not be loaded. It was ignored.", extensionId), ex);
}
}
if (_logger.IsEnabled(LogLevel.Information))
{
_logger.LogInformation("Done looking for extensions in '{0}': {1}", path, string.Join(", ", localList.Select(d => d.Id)));
}
return(localList);
}
public IEnumerable <DirectoryInfo> ListDirectories(string path)
{
return(_fileSystem.ListDirectories(path));
}
