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Added a new method to search for files against multiple filters, rather than grabbing all files then filtering.

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This commit is contained in:
Joseph Milazzo 2020-12-27 11:38:07 -06:00
parent 8c80ed090d
commit 49b4ee0022
1 changed files with 34 additions and 7 deletions
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41
API/Services/DirectoryService.cs
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@ -5,6 +5,7 @@ using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Security;
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
using API.DTOs;
@ -16,11 +17,32 @@ namespace API.Services
public class DirectoryService : IDirectoryService
{
private readonly ILogger<DirectoryService> _logger;
private static readonly string MangaFileExtensions = @"\.cbz|\.cbr|\.png|\.jpeg|\.jpg|\.zip|\.rar";
public DirectoryService(ILogger<DirectoryService> logger)
{
_logger = logger;
}
/// <summary>
/// Given a set of regex search criteria, get files in the given path.
/// </summary>
/// <param name="path">Directory to search</param>
/// <param name="searchPatternExpression">Regex version of search pattern (ie \.mp3|\.mp4)</param>
/// <param name="searchOption">SearchOption to use, defaults to TopDirectoryOnly</param>
/// <returns>List of file paths</returns>
public static IEnumerable<string> GetFiles(string path,
string searchPatternExpression = "",
SearchOption searchOption = SearchOption.TopDirectoryOnly)
{
Regex reSearchPattern = new Regex(searchPatternExpression, RegexOptions.IgnoreCase);
return Directory.EnumerateFiles(path, "*", searchOption)
.Where(file =>
reSearchPattern.IsMatch(Path.GetExtension(file)));
}
/// <summary>
/// Lists out top-level folders for a given directory. Filters out System and Hidden folders.
@ -48,10 +70,9 @@ namespace API.Services
TraverseTreeParallelForEach(folderPath, (f) =>
{
// Exceptions are no-ops.
try {
// Do nothing with the data except read it.
//byte[] data = File.ReadAllBytes(f);
ProcessManga(f);
try
{
ProcessManga(folderPath, f);
}
catch (FileNotFoundException) {}
catch (IOException) {}
@ -61,15 +82,18 @@ namespace API.Services
Console.WriteLine(f);
});
}
catch (ArgumentException) {
catch (ArgumentException ex) {
_logger.LogError(ex, "There was an issue scanning the directory");
_logger.LogError($"The directory '{folderPath}' does not exist");
}
}
}
private static void ProcessManga(string filename)
private static void ProcessManga(string folderPath, string filename)
{
Console.WriteLine($"Found {filename}");
var series = Parser.Parser.ParseSeries(filename);
Console.WriteLine($"Series: {series}");
}
public static void TraverseTreeParallelForEach(string root, Action<string> action)
@ -109,7 +133,10 @@ namespace API.Services
}
try {
files = Directory.GetFiles(currentDir);
//files = Directory.GetFiles(currentDir, "*.")
files = DirectoryService.GetFiles(currentDir, MangaFileExtensions)
.ToArray();
//files = Directory.GetFiles(currentDir);
}
catch (UnauthorizedAccessException e) {
Console.WriteLine(e.Message);