/// <summary>
/// Searches the given folder for all children that match the given filter
/// Folders are placed before files in the output
/// </summary>
/// <param name="folderPath">A path to a folder(NOT a file)</param>
/// <param name="filter">The filter that all returned files must match</param>
/// <param name="sortMethod">The method used to sort the output</param>
/// <param name="descending"></param>
/// <returns>An enumerable of TaggedFilePaths that match the given filter</returns>
public static IEnumerable <TaggedFilePath> GetMatchingFiles(
string folderPath,
TagFilter filter,
SortMethod sortMethod = SortMethod.name,
bool descending = false)
{
// Decide which funciton will be used to sort the files in the list
SortFunction sortFunction = sortMethod.GetSortFunction();
// Get all files/folders that match the filter
DirectoryInfo folder = new DirectoryInfo(folderPath);
IEnumerable <TaggedFilePath> files =
from FileInfo fsInfo in folder.EnumerateFiles()
let path = new TaggedFilePath(fsInfo.FullName, false)
where filter.Matches(path)
orderby sortFunction(path) ascending
select path;
IEnumerable <TaggedFilePath> folders =
from DirectoryInfo fsInfo in folder.EnumerateDirectories()
let path = new TaggedFilePath(fsInfo.FullName, true)
where filter.Matches(path)
orderby sortFunction(path) ascending
select path;
// Sort them by descending, if the box is checked
if (descending)
{
files = files.Reverse();
folders = folders.Reverse();
}
// Combine the folders and files into the same list
// Folders are added first for easy navigation
return(folders.Concat(files));
}
