file-watcher/Helpers/DeterministicHashCodeHelper.cs

363 lines
17 KiB
C#

using CliWrap;
using File_Watcher.Models;
using ShellProgressBar;
using System.Collections.ObjectModel;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO.Compression;
using System.Runtime.InteropServices;
using System.Text.Json;
using View_by_Distance.Metadata.Models;
using View_by_Distance.Metadata.Models.Stateless;
using View_by_Distance.Shared.Models;
using View_by_Distance.Shared.Models.Stateless;
namespace File_Watcher.Helpers;
internal static partial class DeterministicHashCodeHelper
{
private class Windows : IWindows, IDisposable
{
private ProgressBar? _ProgressBar;
private readonly ProgressBarOptions _ProgressBarOptions;
public int CurrentTick { get; internal set; }
public Windows() =>
_ProgressBarOptions = new() { ProgressCharacter = '─', ProgressBarOnBottom = true, DisableBottomPercentage = true };
DeterministicHashCode IWindows.GetDeterministicHashCode(HttpClient httpClient, Uri uri) =>
GetDeterministicHashCode(httpClient, uri);
DeterministicHashCode IWindows.GetDeterministicHashCode(HttpClient? httpClient, FilePath filePath)
{
DeterministicHashCode result;
if (httpClient is not null)
result = GetDeterministicHashCode(httpClient, new Uri(filePath.FullName));
else
{
Stream stream = File.OpenRead(filePath.FullName);
result = GetDeterministicHashCode(stream);
stream.Dispose();
}
return result;
}
private static DeterministicHashCode GetDeterministicHashCode(HttpClient httpClient, Uri uri)
{
DeterministicHashCode result;
Stream stream = GetStream(httpClient, uri);
result = GetDeterministicHashCode(stream);
stream.Dispose();
return result;
}
private static Stream GetStream(HttpClient httpClient, Uri uri)
{
Stream result;
Task<Stream> task = httpClient.GetStreamAsync(uri);
task.Wait();
result = task.Result;
return result;
}
private static DeterministicHashCode GetDeterministicHashCode(Stream stream)
{
DeterministicHashCode result;
int? id;
int? width;
int? height;
try
{
#pragma warning disable CA1416
using Image image = Image.FromStream(stream);
width = image.Width;
height = image.Height;
using Bitmap bitmap = new(image);
Rectangle rectangle = new(0, 0, image.Width, image.Height);
BitmapData bitmapData = bitmap.LockBits(rectangle, ImageLockMode.ReadOnly, bitmap.PixelFormat);
IntPtr intPtr = bitmapData.Scan0;
int length = bitmapData.Stride * bitmap.Height;
byte[] bytes = new byte[length];
Marshal.Copy(intPtr, bytes, 0, length);
bitmap.UnlockBits(bitmapData);
#pragma warning restore CA1416
id = IId.GetDeterministicHashCode(bytes);
}
catch (Exception)
{
id = null;
width = null;
height = null;
}
result = new(height, id, width);
return result;
}
void IWindows.Tick() =>
_ProgressBar?.Tick();
void IDisposable.Dispose()
{
_ProgressBar?.Dispose();
GC.SuppressFinalize(this);
}
void IWindows.ConstructProgressBar(int maxTicks, string message)
{
_ProgressBar?.Dispose();
_ProgressBar = new(maxTicks, message, _ProgressBarOptions);
}
ReadOnlyCollection<string> IWindows.ConvertAndGetFastForwardMovingPictureExpertsGroupFiles(ResultSettings resultSettings, HttpClient? httpClient, FilePath filePath)
{
List<string> results = [];
bool isValidVideoFormatExtensions = resultSettings.ValidVideoFormatExtensions.Contains(filePath.ExtensionLowered);
if (isValidVideoFormatExtensions)
{
bool check;
if (httpClient is not null)
DownloadFile(httpClient, filePath);
try
{
CommandTask<CommandResult> commandTask = Cli.Wrap("L:/Git/ffmpeg-2024-10-02-git-358fdf3083-full_build/bin/ffmpeg.exe")
.WithArguments(["-i", filePath.FullName, "-vf", "select=eq(n\\,0)", "-q:v", "1", $"{filePath.Name}-%4d.jpg"])
.WithWorkingDirectory(filePath.DirectoryFullPath)
.ExecuteAsync();
commandTask.Task.Wait();
check = true;
}
catch (Exception)
{
check = false;
}
if (check)
{
results.AddRange(Directory.GetFiles(filePath.DirectoryFullPath, $"{filePath.Name}-*.jpg", SearchOption.TopDirectoryOnly));
if (results.Count == 0)
throw new Exception();
File.SetCreationTime(results[0], new(filePath.CreationTicks));
File.SetLastWriteTime(results[0], new(filePath.LastWriteTicks));
Thread.Sleep(100);
}
}
return results.AsReadOnly();
}
private static void DownloadFile(HttpClient httpClient, FilePath filePath)
{
FileStream fileStream = new(filePath.FullName, FileMode.Truncate);
Task<HttpResponseMessage> httpResponseMessage = httpClient.GetAsync(filePath.FullName);
httpResponseMessage.Wait();
Task task = httpResponseMessage.Result.Content.CopyToAsync(fileStream);
task.Wait();
}
}
internal static bool WindowsWork(AppSettings appSettings, ILogger<Worker>? logger)
{
string json;
string jsonFile;
string sourceDirectory;
List<string> check = [];
string archiveEntryFile;
long ticks = DateTime.Now.Ticks;
ReadOnlyCollection<FirstPass> collection;
string rootDirectory = Path.GetFullPath(appSettings.ResultSettings.RootDirectory);
if (!Directory.Exists(rootDirectory))
_ = Directory.CreateDirectory(rootDirectory);
string[] zipFiles = Directory.GetFiles(rootDirectory, "*.zip", SearchOption.TopDirectoryOnly);
if (zipFiles.Length > 0)
_ = IPath.DeleteEmptyDirectories(rootDirectory);
foreach (string zipFile in zipFiles)
{
check.Clear();
sourceDirectory = zipFile[..^4];
jsonFile = $"{sourceDirectory}.json";
if (Directory.Exists(sourceDirectory) || File.Exists(jsonFile))
continue;
_ = Directory.CreateDirectory(sourceDirectory);
using ZipArchive zip = ZipFile.Open(zipFile, ZipArchiveMode.Read);
foreach (ZipArchiveEntry zipArchiveEntry in zip.Entries)
{
check.Add(zipArchiveEntry.Name);
archiveEntryFile = Path.Combine(sourceDirectory, zipArchiveEntry.Name);
zipArchiveEntry.ExtractToFile(archiveEntryFile);
}
collection = WindowsWork(logger, appSettings, ticks, sourceDirectory);
if (check.Count == collection.Count)
{
json = JsonSerializer.Serialize(collection.ToList(), FirstPassCollectionSourceGenerationContext.Default.ListFirstPass);
File.WriteAllText(jsonFile, json);
}
Directory.Delete(sourceDirectory, recursive: true);
}
return true;
}
private static ReadOnlyCollection<FirstPass> WindowsWork(ILogger<Worker>? logger, AppSettings appSettings, long ticks, string sourceDirectory)
{
ReadOnlyCollection<FirstPass> results;
Windows windows = new();
IWindows windowsInterface = windows;
logger?.LogInformation("{Ticks} {RootDirectory}", ticks, sourceDirectory);
A_Metadata metadata = new(appSettings.ResultSettings, appSettings.MetadataSettings);
int appSettingsMaxDegreeOfParallelism = appSettings.DeterministicHashCodeConfiguration.MaxDegreeOfParallelism;
ReadOnlyCollection<string> files = Directory.GetFiles(sourceDirectory, "*", SearchOption.AllDirectories).AsReadOnly();
if (files.Count > 0)
_ = IPath.DeleteEmptyDirectories(sourceDirectory);
int filesCount = appSettingsMaxDegreeOfParallelism == 1 ? files.Count : 123000;
windowsInterface.ConstructProgressBar(filesCount, "EnumerateFiles load");
if (appSettingsMaxDegreeOfParallelism == 1)
results = WindowsSynchronousWork(logger, appSettings, windowsInterface, files, metadata);
else
results = WindowsAsynchronousWork(appSettings, windows, files, metadata, appSettingsMaxDegreeOfParallelism);
return results;
}
private static ReadOnlyCollection<FirstPass> WindowsSynchronousWork(ILogger<Worker>? logger, AppSettings appSettings, IWindows windows, IEnumerable<string> files, A_Metadata metadata)
{
List<FirstPass> results = [];
int index = -1;
ReadOnlyDictionary<string, List<FileHolder>> keyValuePairs = IMetadata.GetKeyValuePairs(files);
foreach (KeyValuePair<string, List<FileHolder>> keyValuePair in keyValuePairs)
{
if (keyValuePair.Value.Count > 2)
throw new NotSupportedException("Too many sidecar files!");
index = WindowsSynchronousWork(logger, appSettings, windows, metadata, results, index, keyValuePair);
}
return results.AsReadOnly();
}
private static int WindowsSynchronousWork(ILogger<Worker>? logger, AppSettings appSettings, IWindows windows, A_Metadata metadata, List<FirstPass> results, int index, KeyValuePair<string, List<FileHolder>> keyValuePair)
{
int result = index + 1;
windows.Tick();
FilePath filePath;
FirstPass firstPass;
string directoryName;
ExifDirectory exifDirectory;
HttpClient? httpClient = null;
List<FileHolder> sidecarFiles;
DeterministicHashCode deterministicHashCode;
bool fastForwardMovingPictureExpertsGroupUsed;
MinimumYearAndPathCombined minimumYearAndPathCombined;
FilePath? fastForwardMovingPictureExpertsGroupFilePath;
ReadOnlyCollection<string>? fastForwardMovingPictureExpertsGroupFiles;
foreach (FileHolder fileHolder in keyValuePair.Value)
{
if (appSettings.DeterministicHashCodeConfiguration.SidecarExtensions.Contains(fileHolder.ExtensionLowered))
continue;
if (appSettings.ResultSettings.IgnoreExtensions.Contains(fileHolder.ExtensionLowered))
continue;
filePath = FilePath.Get(appSettings.ResultSettings, appSettings.MetadataSettings, fileHolder, result);
if (filePath.Id is not null && (filePath.IsIntelligentIdFormat || filePath.SortOrder is not null))
continue;
if (filePath.Id is not null)
{
fastForwardMovingPictureExpertsGroupFiles = null;
deterministicHashCode = new(null, filePath.Id, null);
directoryName = Path.GetFileName(filePath.DirectoryFullPath);
if (directoryName.EndsWith(filePath.Id.Value.ToString()))
continue;
}
else
{
fastForwardMovingPictureExpertsGroupFiles = windows.ConvertAndGetFastForwardMovingPictureExpertsGroupFiles(appSettings.ResultSettings, httpClient, filePath);
fastForwardMovingPictureExpertsGroupFilePath = fastForwardMovingPictureExpertsGroupFiles.Count == 0 ? null : FilePath.Get(appSettings.ResultSettings, appSettings.MetadataSettings, FileHolder.Get(fastForwardMovingPictureExpertsGroupFiles[0]), result);
deterministicHashCode = fastForwardMovingPictureExpertsGroupFilePath is null ? windows.GetDeterministicHashCode(httpClient, filePath) : windows.GetDeterministicHashCode(httpClient, fastForwardMovingPictureExpertsGroupFilePath);
}
sidecarFiles = [];
filePath = FilePath.Get(filePath, deterministicHashCode);
for (int i = 0; i < keyValuePair.Value.Count; i++)
{
if (keyValuePair.Value[i].ExtensionLowered == fileHolder.ExtensionLowered)
continue;
sidecarFiles.Add(keyValuePair.Value[i]);
}
try
{ (minimumYearAndPathCombined, exifDirectory) = metadata.GetMetadataCollection(appSettings.ResultSettings, appSettings.MetadataSettings, httpClient, filePath); }
catch (Exception)
{
logger?.LogWarning("<{filePath}>", filePath.FullName);
continue;
}
fastForwardMovingPictureExpertsGroupUsed = fastForwardMovingPictureExpertsGroupFiles is not null && fastForwardMovingPictureExpertsGroupFiles.Count > 0;
if (fastForwardMovingPictureExpertsGroupUsed && fastForwardMovingPictureExpertsGroupFiles is not null)
{
foreach (string fastForwardMovingPictureExpertsGroupFile in fastForwardMovingPictureExpertsGroupFiles)
File.Delete(fastForwardMovingPictureExpertsGroupFile);
}
if (!fastForwardMovingPictureExpertsGroupUsed && appSettings.ResultSettings.ValidVideoFormatExtensions.Contains(filePath.ExtensionLowered))
fastForwardMovingPictureExpertsGroupUsed = true;
firstPass = new(exifDirectory, fastForwardMovingPictureExpertsGroupUsed, minimumYearAndPathCombined, sidecarFiles.ToArray());
results.Add(firstPass);
}
return result;
}
private static ReadOnlyCollection<FirstPass> WindowsAsynchronousWork(AppSettings appSettings, Windows windows, ReadOnlyCollection<string> files, A_Metadata metadata, int appSettingsMaxDegreeOfParallelism)
{
List<FirstPass> results = [];
FirstPass firstPass;
List<string> distinct = [];
List<MetadataGroup> metadataGroups = [];
ParallelOptions parallelOptions = new() { MaxDegreeOfParallelism = appSettingsMaxDegreeOfParallelism };
files.AsParallel().ForAll(IMetadata.SetExifDirectoryCollection(windows, appSettings.ResultSettings, appSettings.MetadataSettings, metadata, distinct, metadataGroups));
if (windows?.CurrentTick != results.Count)
throw new NotSupportedException();
foreach (MetadataGroup metadataGroup in metadataGroups)
{
if (metadataGroup.FastForwardMovingPictureExpertsGroupUsed || !appSettings.ResultSettings.ValidVideoFormatExtensions.Contains(metadataGroup.FilePath.ExtensionLowered))
firstPass = new(metadataGroup.ExifDirectory, metadataGroup.FastForwardMovingPictureExpertsGroupUsed, metadataGroup.MinimumYearAndPathCombined, metadataGroup.SidecarFiles.ToArray());
else
firstPass = new(metadataGroup.ExifDirectory, FastForwardMovingPictureExpertsGroupUsed: true, metadataGroup.MinimumYearAndPathCombined, metadataGroup.SidecarFiles.ToArray());
results.Add(firstPass);
}
return results.AsReadOnly();
}
private static ReadOnlyCollection<NginxFileSystem>? GetRecursiveCollection(HttpClient httpClient, string host, string page)
{
List<NginxFileSystem>? results;
Uri uri = new($"http://{host}/{page}");
string format = NginxFileSystem.GetFormat();
TimeZoneInfo timeZoneInfo = TimeZoneInfo.Local;
Task<HttpResponseMessage> taskHttpResponseMessage = httpClient.GetAsync(uri);
taskHttpResponseMessage.Wait();
if (!taskHttpResponseMessage.Result.IsSuccessStatusCode)
results = null;
else
{
Task<string> taskString = taskHttpResponseMessage.Result.Content.ReadAsStringAsync();
taskString.Wait();
NginxFileSystem[]? nginxFileSystems = JsonSerializer.Deserialize(taskString.Result, NginxFileSystemCollectionSourceGenerationContext.Default.NginxFileSystemArray);
if (nginxFileSystems is null)
results = null;
else
{
results = [];
NginxFileSystem nginxFileSystem;
ReadOnlyCollection<NginxFileSystem>? directory;
for (int i = 0; i < nginxFileSystems.Length; i++)
{
nginxFileSystem = NginxFileSystem.Get(format, timeZoneInfo, uri, nginxFileSystems[i]);
if (nginxFileSystem.Type == "file")
results.Add(nginxFileSystem);
else
{
directory = GetRecursiveCollection(httpClient, host, $"{page}/{nginxFileSystem.Name}");
if (directory is null)
continue;
results.AddRange(directory);
}
}
}
}
return results?.AsReadOnly();
}
}