/// <summary>
/// <see cref="IImagesService{ImageContentType}.GetImages(string)"/>
/// </summary>
public IEnumerable <Image <ImageContentType> > GetImages(string pathToDirectory)
{
var rootDirectory = _subdirectoriesPathProvider.ContainsSubFolders(pathToDirectory) ?
(Directory <ImageContentType>) CompositiveDirectory <ImageContentType> .New(_imageContentProvider, _fileNameProvider, pathToDirectory) : SimpleDirectory <ImageContentType> .New(_imageContentProvider, _fileNameProvider, pathToDirectory);
BuildDirectoriesTree(rootDirectory);
return(rootDirectory.GetImages(_imageContentProvider.GetSupportedImageFormats()));
}
private void BuildDirectoriesTree(Directory <ImageContentType> directory)
{
IEnumerable <Directory <ImageContentType> > subDirectories = _subdirectoriesPathProvider.GetSubDirectoriesPath(directory.Path)?.Select(x =>
_subdirectoriesPathProvider.ContainsSubFolders(x) ?
(Directory <ImageContentType>)CompositiveDirectory <ImageContentType> .New(_imageContentProvider, _fileNameProvider, x) : SimpleDirectory <ImageContentType> .New(_imageContentProvider, _fileNameProvider, x)
);
if (subDirectories != null)
{
var root = directory as CompositiveDirectory <ImageContentType>
?? throw new InvalidOperationException($"Simple directory cannot contain sub folders; Path to directory {directory.Path}");
((CompositiveDirectory <ImageContentType>)directory).AddRangeOfSubdirectories(subDirectories);
foreach (var subDirectory in subDirectories)
{
BuildDirectoriesTree(subDirectory);
}
}
}
