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PDF Metadata Support (#3552)

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Co-authored-by: Matthias Neeracher <microtherion@gmail.com>
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Joe Milazzo 2025-02-16 15:10:15 -06:00 • committed by GitHub
parent 56108eb373
commit f76de42b28
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24 changed files with 1949 additions and 57 deletions
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27
API/Services/BookService.cs
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@ -6,12 +6,14 @@ using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Xml;
using API.Data.Metadata;
using API.DTOs.Reader;
using API.Entities;
using API.Entities.Enums;
using API.Extensions;
using API.Services.Tasks.Scanner.Parser;
using API.Helpers;
using Docnet.Core;
using Docnet.Core.Converters;
using Docnet.Core.Models;
@ -69,6 +71,8 @@ public class BookService : IBookService
private static readonly RecyclableMemoryStreamManager StreamManager = new ();
private const string CssScopeClass = ".book-content";
private const string BookApiUrl = "book-resources?file=";
private readonly PdfComicInfoExtractor _pdfComicInfoExtractor;
public static readonly EpubReaderOptions BookReaderOptions = new()
{
PackageReaderOptions = new PackageReaderOptions
@ -84,6 +88,7 @@ public class BookService : IBookService
_directoryService = directoryService;
_imageService = imageService;
_mediaErrorService = mediaErrorService;
_pdfComicInfoExtractor = new PdfComicInfoExtractor(_logger, _mediaErrorService);
}
private static bool HasClickableHrefPart(HtmlNode anchor)
@ -425,10 +430,8 @@ public class BookService : IBookService
}
}
public ComicInfo? GetComicInfo(string filePath)
private ComicInfo? GetEpubComicInfo(string filePath)
{
if (!IsValidFile(filePath) || Parser.IsPdf(filePath)) return null;
try
{
using var epubBook = EpubReader.OpenBook(filePath, BookReaderOptions);
@ -442,7 +445,7 @@ public class BookService : IBookService
var (year, month, day) = GetPublicationDate(publicationDate);
var summary = epubBook.Schema.Package.Metadata.Descriptions.FirstOrDefault();
var info = new ComicInfo
var info = new ComicInfo
{
Summary = string.IsNullOrEmpty(summary?.Description) ? string.Empty : summary.Description,
Publisher = string.Join(",", epubBook.Schema.Package.Metadata.Publishers.Select(p => p.Publisher)),
@ -583,6 +586,20 @@ public class BookService : IBookService
return null;
}
public ComicInfo? GetComicInfo(string filePath)
{
if (!IsValidFile(filePath)) return null;
if (Parser.IsPdf(filePath))
{
return _pdfComicInfoExtractor.GetComicInfo(filePath);
}
else
{
return GetEpubComicInfo(filePath);
}
}
private static void ExtractSortTitle(EpubMetadataMeta metadataItem, EpubBookRef epubBook, ComicInfo info)
{
var titleId = metadataItem.Refines?.Replace("#", string.Empty);
@ -685,7 +702,7 @@ public class BookService : IBookService
return (year, month, day);
}
private static string ValidateLanguage(string? language)
public static string ValidateLanguage(string? language)
{
if (string.IsNullOrEmpty(language)) return string.Empty;