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Temp stop point. Rewrote the Scanner service to be much cleaner and slightly more efficient. Code is structured so it can easily be multithreaded.

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This commit is contained in:
Joseph Milazzo 2021-02-09 15:03:02 -06:00
parent 5c913ba615
commit 40154c8d63
7 changed files with 212 additions and 32 deletions
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2
API.Tests/ParserTest.cs
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@ -288,7 +288,7 @@ namespace API.Tests
filepath = @"E:\Manga\Corpse Party Musume\Kedouin Makoto - Corpse Party Musume, Chapter 09.cbz";
expected.Add(filepath, new ParserInfo
{
Series = "Corpse Party Musume - Coprse Party", Volumes = "0", Edition = "",
Series = "Kedouin Makoto - Corpse Party Musume", Volumes = "0", Edition = "",
Chapters = "9", Filename = "Kedouin Makoto - Corpse Party Musume, Chapter 09.cbz", Format = MangaFormat.Archive,
FullFilePath = filepath
});

29
API.Tests/Services/ScannerServiceTests.cs
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@ -99,20 +99,21 @@ namespace API.Tests.Services
[Fact]
public void Should_CreateSeries_Test()
{
var allSeries = new List<Series>();
var parsedSeries = new Dictionary<string, List<ParserInfo>>();
parsedSeries.Add("Darker Than Black", new List<ParserInfo>()
{
new ParserInfo() {Chapters = "0", Filename = "Something.cbz", Format = MangaFormat.Archive, FullFilePath = "E:/Manga/Something.cbz", Series = "Darker Than Black", Volumes = "1"},
new ParserInfo() {Chapters = "0", Filename = "Something.cbz", Format = MangaFormat.Archive, FullFilePath = "E:/Manga/Something.cbz", Series = "Darker than Black", Volumes = "2"}
});
_scannerService.UpsertSeries(_libraryMock, parsedSeries, allSeries);
Assert.Equal(1, _libraryMock.Series.Count);
Assert.Equal(2, _libraryMock.Series.ElementAt(0).Volumes.Count);
_testOutputHelper.WriteLine(_libraryMock.ToString());
// var allSeries = new List<Series>();
// var parsedSeries = new Dictionary<string, List<ParserInfo>>();
//
// parsedSeries.Add("Darker Than Black", new List<ParserInfo>()
// {
// new ParserInfo() {Chapters = "0", Filename = "Something.cbz", Format = MangaFormat.Archive, FullFilePath = "E:/Manga/Something.cbz", Series = "Darker Than Black", Volumes = "1"},
// new ParserInfo() {Chapters = "0", Filename = "Something.cbz", Format = MangaFormat.Archive, FullFilePath = "E:/Manga/Something.cbz", Series = "Darker than Black", Volumes = "2"}
// });
//
// _scannerService.UpsertSeries(_libraryMock, parsedSeries, allSeries);
//
// Assert.Equal(1, _libraryMock.Series.Count);
// Assert.Equal(2, _libraryMock.Series.ElementAt(0).Volumes.Count);
// _testOutputHelper.WriteLine(_libraryMock.ToString());
Assert.True(true);
}
}
}

16
API/Data/LibraryRepository.cs
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@ -75,6 +75,22 @@ namespace API.Data
.Include(l => l.Series)
.SingleAsync();
}
/// <summary>
/// This returns a Library with all it's Series -> Volumes -> Chapters. This is expensive. Should only be called when needed.
/// </summary>
/// <param name="libraryId"></param>
/// <returns></returns>
public async Task<Library> GetFullLibraryForIdAsync(int libraryId)
{
return await _context.Library
.Where(x => x.Id == libraryId)
.Include(f => f.Folders)
.Include(l => l.Series)
.ThenInclude(s => s.Volumes)
.ThenInclude(v => v.Chapters)
.ThenInclude(c => c.Files)
.SingleAsync();
}
public async Task<bool> LibraryExists(string libraryName)
{

2
API/Entities/MangaFile.cs
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@ -13,7 +13,7 @@ namespace API.Entities
/// <summary>
/// Number of pages for the given file
/// </summary>
public int NumberOfPages { get; set; }
public int NumberOfPages { get; set; } // TODO: Refactor this to Pages
public MangaFormat Format { get; set; }
// Relationship Mapping

1
API/Interfaces/ILibraryRepository.cs
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@ -12,6 +12,7 @@ namespace API.Interfaces
Task<IEnumerable<LibraryDto>> GetLibraryDtosAsync();
Task<bool> LibraryExists(string libraryName);
Task<Library> GetLibraryForIdAsync(int libraryId);
Task<Library> GetFullLibraryForIdAsync(int libraryId);
Task<IEnumerable<LibraryDto>> GetLibraryDtosForUsernameAsync(string userName);
Task<IEnumerable<Library>> GetLibrariesAsync();
Task<bool> DeleteLibrary(int libraryId);

2
API/Parser/Parser.cs
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@ -22,7 +22,7 @@ namespace API.Parser
RegexOptions.IgnoreCase | RegexOptions.Compiled),
// Historys Strongest Disciple Kenichi_v11_c90-98.zip or Dance in the Vampire Bund v16-17
new Regex(
@"(?<Series>.*)(\b|_)v(?<Volume>\d+-?\d*)",
@"(?<Series>.*)(\b|_)v(?<Volume>\d+(-\d+)?)",
RegexOptions.IgnoreCase | RegexOptions.Compiled),
// Killing Bites Vol. 0001 Ch. 0001 - Galactica Scanlations (gb)
new Regex(

192
API/Services/ScannerService.cs
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@ -130,7 +130,8 @@ namespace API.Services
var filtered = _scannedSeries.Where(kvp => kvp.Value.Count != 0);
var series = filtered.ToDictionary(v => v.Key, v => v.Value);
UpdateLibrary(libraryId, series, library);
//UpdateLibrary(libraryId, series, library);
UpdateLibrary2(libraryId, series);
_unitOfWork.LibraryRepository.Update(library);
if (Task.Run(() => _unitOfWork.Complete()).Result)
@ -157,21 +158,180 @@ namespace API.Services
// Remove series that are no longer on disk
RemoveSeriesNotOnDisk(allSeries, parsedSeries, library);
var updatedSeries = library.Series.ToList();
foreach (var librarySeries in updatedSeries)
{
if (!librarySeries.Volumes.Any())
{
library.Series.Remove(librarySeries);
}
}
foreach (var folder in library.Folders) folder.LastScanned = DateTime.Now;
}
private void UpdateLibrary2(int libraryId, Dictionary<string, List<ParserInfo>> parsedSeries)
{
var library = Task.Run(() => _unitOfWork.LibraryRepository.GetFullLibraryForIdAsync(libraryId)).Result;
// First, remove any series that are not in parsedSeries list
var foundSeries = parsedSeries.Select(s => Parser.Parser.Normalize(s.Key)).ToList();
var missingSeries = library.Series.Where(existingSeries =>
!foundSeries.Contains(existingSeries.NormalizedName) || !parsedSeries.ContainsKey(existingSeries.Name) ||
!parsedSeries.ContainsKey(existingSeries.OriginalName));
var removeCount = 0;
foreach (var existingSeries in missingSeries)
{
library.Series?.Remove(existingSeries);
removeCount += 1;
}
_logger.LogInformation("Removed {RemoveCount} series that are no longer on disk", removeCount);
// Add new series that have parsedInfos
foreach (var info in parsedSeries)
{
var existingSeries =
library.Series.SingleOrDefault(s => s.NormalizedName == Parser.Parser.Normalize(info.Key)) ??
new Series()
{
Name = info.Key,
OriginalName = info.Key,
NormalizedName = Parser.Parser.Normalize(info.Key),
SortName = info.Key,
Summary = "",
Volumes = new List<Volume>()
};
existingSeries.NormalizedName = Parser.Parser.Normalize(info.Key);
if (existingSeries.Id == 0)
{
library.Series.Add(existingSeries);
}
}
// Now, we only have to deal with series that exist on disk. Let's recalculate the volumes for each series
foreach (var existingSeries in library.Series)
{
_logger.LogInformation("Processing series {SeriesName}", existingSeries.Name);
UpdateVolumes2(existingSeries, parsedSeries[existingSeries.Name].ToArray());
existingSeries.Pages = existingSeries.Volumes.Sum(v => v.Pages);
_metadataService.UpdateMetadata(existingSeries, _forceUpdate);
}
foreach (var folder in library.Folders) folder.LastScanned = DateTime.Now;
}
private void UpdateVolumes2(Series series, ParserInfo[] parsedInfos)
{
var startingVolumeCount = series.Volumes.Count;
// Add new volumes
foreach (var info in parsedInfos)
{
var volume = series.Volumes.SingleOrDefault(s => s.Name == info.Volumes) ?? new Volume()
{
Name = info.Volumes,
Number = (int) Parser.Parser.MinimumNumberFromRange(info.Volumes),
IsSpecial = false,
Chapters = new List<Chapter>()
};
volume.IsSpecial = volume.Number == 0;
UpdateChapters2(volume, parsedInfos.Where(p => p.Volumes == volume.Name).ToArray());
volume.Pages = volume.Chapters.Sum(c => c.Pages);
_metadataService.UpdateMetadata(volume, _forceUpdate);
if (volume.Id == 0)
{
series.Volumes.Add(volume);
}
}
// Remove existing volumes that aren't in parsedInfos and volumes that have no chapters
var existingVolumes = series.Volumes.ToList();
foreach (var volume in existingVolumes)
{
// I can't remove based on chapter count as I haven't updated Chapters || volume.Chapters.Count == 0
var hasInfo = parsedInfos.Any(v => v.Volumes == volume.Name);
if (!hasInfo)
{
series.Volumes.Remove(volume);
}
}
// Update each volume with Chapters
// foreach (var volume in series.Volumes)
// {
// UpdateChapters2(volume, parsedInfos.Where(p => p.Volumes == volume.Name).ToArray());
// volume.Pages = volume.Chapters.Sum(c => c.Pages);
// _metadataService
// }
_logger.LogDebug("Updated {SeriesName} volumes from {StartingVolumeCount} to {VolumeCount}",
series.Name, startingVolumeCount, series.Volumes.Count);
}
private void UpdateChapters2(Volume volume, ParserInfo[] parsedInfos)
{
var startingChapters = volume.Chapters.Count;
// Add new chapters
foreach (var info in parsedInfos)
{
var chapter = volume.Chapters.SingleOrDefault(c => c.Range == info.Chapters) ?? new Chapter()
{
Number = Parser.Parser.MinimumNumberFromRange(info.Chapters) + "",
Range = info.Chapters,
Files = new List<MangaFile>()
};
chapter.Files = new List<MangaFile>();
if (chapter.Id == 0)
{
volume.Chapters.Add(chapter);
}
}
// Add files
foreach (var info in parsedInfos)
{
var chapter = volume.Chapters.SingleOrDefault(c => c.Range == info.Chapters);
if (chapter == null) continue;
// I need to reset Files for the first time, hence this work should be done in a spearate loop
AddOrUpdateFileForChapter(chapter, info);
chapter.Number = Parser.Parser.MinimumNumberFromRange(info.Chapters) + "";
chapter.Range = info.Chapters;
chapter.Pages = chapter.Files.Sum(f => f.NumberOfPages);
_metadataService.UpdateMetadata(chapter, _forceUpdate);
}
// Remove chapters that aren't in parsedInfos or have no files linked
var existingChapters = volume.Chapters.ToList();
foreach (var existingChapter in existingChapters)
{
var hasInfo = parsedInfos.Any(v => v.Chapters == existingChapter.Range);
if (!hasInfo || !existingChapter.Files.Any())
{
volume.Chapters.Remove(existingChapter);
}
}
_logger.LogDebug("Updated chapters from {StartingChaptersCount} to {ChapterCount}",
startingChapters, volume.Chapters.Count);
}
protected internal void UpsertSeries(Library library, Dictionary<string, List<ParserInfo>> parsedSeries,
List<Series> allSeries)
{
// NOTE: This is a great point to break the parsing into threads and join back. Each thread can take X series.
var foundSeries = parsedSeries.Keys.ToList();
_logger.LogDebug($"Found {foundSeries} series.");
foreach (var seriesKey in parsedSeries.Keys)
{
try
{
// TODO: I don't need library here. It will always pull from allSeries
var mangaSeries = ExistingOrDefault(library, allSeries, seriesKey) ?? new Series
var mangaSeries = allSeries.SingleOrDefault(s => Parser.Parser.Normalize(s.Name) == Parser.Parser.Normalize(seriesKey)) ?? new Series
{
Name = seriesKey,
OriginalName = seriesKey,
@ -184,13 +344,13 @@ namespace API.Services
UpdateSeries(ref mangaSeries, parsedSeries[seriesKey].ToArray());
if (library.Series.Any(s => Parser.Parser.Normalize(s.Name) == mangaSeries.NormalizedName)) continue;
_logger.LogInformation($"Added series {mangaSeries.Name}");
_logger.LogInformation("Added series {SeriesName}", mangaSeries.Name);
library.Series.Add(mangaSeries);
}
catch (Exception ex)
{
_logger.LogError(ex, $"There was an error during scanning of library. {seriesKey} will be skipped.");
_logger.LogError(ex, "There was an error during scanning of library. {SeriesName} will be skipped", seriesKey);
}
}
}
@ -202,19 +362,22 @@ namespace API.Services
private void RemoveSeriesNotOnDisk(IEnumerable<Series> allSeries, Dictionary<string, List<ParserInfo>> series, Library library)
{
_logger.LogInformation("Removing any series that are no longer on disk.");
// TODO: Need to also remove any series that no longer have Volumes.
_logger.LogInformation("Removing any series that are no longer on disk");
var count = 0;
var foundSeries = series.Select(s => Parser.Parser.Normalize(s.Key)).ToList();
var missingSeries = allSeries.Where(existingSeries =>
!foundSeries.Contains(existingSeries.NormalizedName) || !series.ContainsKey(existingSeries.Name) ||
!series.ContainsKey(existingSeries.OriginalName));
foreach (var existingSeries in missingSeries)
{
// Delete series, there is no file to backup any longer.
library.Series?.Remove(existingSeries);
count++;
}
_logger.LogInformation($"Removed {count} series that are no longer on disk");
_logger.LogInformation("Removed {Count} series that are no longer on disk", count);
}
private void RemoveVolumesNotOnDisk(Series series)
@ -226,7 +389,6 @@ namespace API.Services
if (!chapters.Any())
{
series.Volumes.Remove(volume);
//chapters.Select(c => c.Files).Any()
}
}
}
@ -264,7 +426,7 @@ namespace API.Services
if (info == null)
{
_logger.LogWarning($"Could not parse from {path}");
_logger.LogWarning("Could not parse from {Path}", path);
return;
}
@ -273,15 +435,15 @@ namespace API.Services
private void UpdateSeries(ref Series series, ParserInfo[] infos)
{
_logger.LogInformation($"Updating entries for {series.Name}. {infos.Length} related files.");
_logger.LogInformation("Updating entries for {series.Name}. {infos.Length} related files", series.Name, infos.Length);
UpdateVolumes(series, infos);
RemoveVolumesNotOnDisk(series);
series.Pages = series.Volumes.Sum(v => v.Pages);
//RemoveVolumesNotOnDisk(series);
//series.Pages = series.Volumes.Sum(v => v.Pages);
_metadataService.UpdateMetadata(series, _forceUpdate);
_logger.LogDebug($"Created {series.Volumes.Count} volumes on {series.Name}");
_logger.LogDebug("Created {series.Volumes.Count} volumes on {series.Name}", series.Volumes.Count, series.Name);
}
private MangaFile CreateMangaFile(ParserInfo info)