PDF Metadata Support (#3552)

Co-authored-by: Matthias Neeracher <microtherion@gmail.com>

API.Tests/Services/BookServiceTests.cs

@@ -81,4 +81,47 @@ public class BookServiceTests
         Assert.Equal("Accel World", comicInfo.Series);
     }
 
+    [Fact]
+    public void ShouldHaveComicInfoForPdf()
+    {
+        var testDirectory = Path.Join(Directory.GetCurrentDirectory(), "../../../Services/Test Data/BookService");
+        var document = Path.Join(testDirectory, "test.pdf");
+        var comicInfo = _bookService.GetComicInfo(document);
+        Assert.NotNull(comicInfo);
+        Assert.Equal("Variations Chromatiques de concert", comicInfo.Title);
+        Assert.Equal("Georges Bizet \\(1838-1875\\)", comicInfo.Writer);
+    }
+
+    // TODO: Get the file from microtherion
+    // [Fact]
+    // public void ShouldUsePdfInfoDict()
+    // {
+    //     var testDirectory = Path.Join(Directory.GetCurrentDirectory(), "../../../Services/Test Data/ScannerService/Library/Books/PDFs");
+    //     var document = Path.Join(testDirectory, "Rollo at Work SP01.pdf");
+    //     var comicInfo = _bookService.GetComicInfo(document);
+    //     Assert.NotNull(comicInfo);
+    //     Assert.Equal("Rollo at Work", comicInfo.Title);
+    //     Assert.Equal("Jacob Abbott", comicInfo.Writer);
+    //     Assert.Equal(2008, comicInfo.Year);
+    // }
+
+    [Fact]
+    public void ShouldHandleIndirectPdfObjects()
+    {
+        var testDirectory = Path.Join(Directory.GetCurrentDirectory(), "../../../Services/Test Data/BookService");
+        var document = Path.Join(testDirectory, "indirect.pdf");
+        var comicInfo = _bookService.GetComicInfo(document);
+        Assert.NotNull(comicInfo);
+        Assert.Equal(2018, comicInfo.Year);
+        Assert.Equal(8, comicInfo.Month);
+    }
+
+    [Fact]
+    public void FailGracefullyWithEncryptedPdf()
+    {
+        var testDirectory = Path.Join(Directory.GetCurrentDirectory(), "../../../Services/Test Data/BookService");
+        var document = Path.Join(testDirectory, "encrypted.pdf");
+        var comicInfo = _bookService.GetComicInfo(document);
+        Assert.Null(comicInfo);
+    }
 }

API.Tests/Services/ScannerServiceTests.cs

@@ -101,7 +101,22 @@ public class ScannerServiceTests : AbstractDbTest
     [Fact]
     public async Task ScanLibrary_FlatSeriesWithSpecialFolder()
     {
-        var testcase = "Flat Series with Specials Folder - Manga.json";
+        var testcase = "Flat Series with Specials Folder Alt Naming - Manga.json";
+        var library = await _scannerHelper.GenerateScannerData(testcase);
+        var scanner = _scannerHelper.CreateServices();
+        await scanner.ScanLibrary(library.Id);
+        var postLib = await _unitOfWork.LibraryRepository.GetLibraryForIdAsync(library.Id, LibraryIncludes.Series);
+
+        Assert.NotNull(postLib);
+        Assert.Single(postLib.Series);
+        Assert.Equal(4, postLib.Series.First().Volumes.Count);
+        Assert.NotNull(postLib.Series.First().Volumes.FirstOrDefault(v => v.Chapters.FirstOrDefault(c => c.IsSpecial) != null));
+    }
+
+    [Fact]
+    public async Task ScanLibrary_FlatSeriesWithSpecialFolder_AlternativeNaming()
+    {
+        var testcase = "Flat Series with Specials Folder Alt Naming - Manga.json";
         var library = await _scannerHelper.GenerateScannerData(testcase);
         var scanner = _scannerHelper.CreateServices();
         await scanner.ScanLibrary(library.Id);

API.Tests/Services/Test Data/ScannerService/TestCases/Flat Series with Specials Folder Alt Naming - Manga.json

@@ -0,0 +1,6 @@
+[
+    "My Dress-Up Darling/My Dress-Up Darling v01.cbz",
+    "My Dress-Up Darling/My Dress-Up Darling v02.cbz",
+    "My Dress-Up Darling/My Dress-Up Darling ch 10.cbz",
+    "My Dress-Up Darling/Specials/My Dress-Up Darling - Omakes SP01.cbz"
+]

API/Helpers/PdfComicInfoExtractor.cs

@@ -0,0 +1,159 @@
+/// Translate PDF metadata (See PdfMetadataExtractor.cs) into ComicInfo structure.
+
+// Contributed by https://github.com/microtherion
+
+// All references to the "PDF Spec" (section numbers, etc) refer to the
+// PDF 1.7 Specification a.k.a. PDF32000-1:2008
+// https://opensource.adobe.com/dc-acrobat-sdk-docs/pdfstandards/PDF32000_2008.pdf
+
+using System;
+using System.Xml;
+using System.Text;
+using System.IO;
+using System.Diagnostics;
+using API.Data.Metadata;
+using API.Entities.Enums;
+using API.Services;
+using API.Services.Tasks.Scanner.Parser;
+using Microsoft.Extensions.Logging;
+using Nager.ArticleNumber;
+using System.Collections.Generic;
+
+namespace API.Helpers;
+#nullable enable
+
+public interface IPdfComicInfoExtractor
+{
+    ComicInfo? GetComicInfo(string filePath);
+}
+
+public class PdfComicInfoExtractor : IPdfComicInfoExtractor
+{
+    private readonly ILogger<BookService> _logger;
+    private readonly IMediaErrorService _mediaErrorService;
+    private readonly string[] _pdfDateFormats = [ // PDF Spec 7.9.4
+            "D:yyyyMMddHHmmsszzz:", "D:yyyyMMddHHmmss+", "D:yyyyMMddHHmmss",
+            "D:yyyyMMddHHmmzzz:",  "D:yyyyMMddHHmm+",   "D:yyyyMMddHHmm",
+            "D:yyyyMMddHHzzz:", "D:yyyyMMddHH+", "D:yyyyMMddHH",
+            "D:yyyyMMdd", "D:yyyyMM", "D:yyyy"
+        ];
+
+    public PdfComicInfoExtractor(ILogger<BookService> logger, IMediaErrorService mediaErrorService)
+    {
+        _logger = logger;
+        _mediaErrorService = mediaErrorService;
+    }
+
+    private float? GetFloatFromText(string? text)
+    {
+        if (string.IsNullOrEmpty(text)) return null;
+
+        if (float.TryParse(text, out var value)) return value;
+
+        return null;
+    }
+
+    private DateTime? GetDateTimeFromText(string? text)
+    {
+        if (string.IsNullOrEmpty(text)) return null;
+
+        // Dates stored in the XMP metadata stream (PDF Spec 14.3.2)
+        // are stored in ISO 8601 format, which is handled by C# out of the box
+        if (DateTime.TryParse(text, out var date)) return date;
+
+        // Dates stored in the document information directory (PDF Spec 14.3.3)
+        // are stored in a proprietary format (PDF Spec 7.9.4) that needs to be
+        // massaged slightly to be expressible by a DateTime format.
+        if (text[0] != 'D') {
+            text = "D:" + text;
+        }
+        text = text.Replace("'", ":");
+        text = text.Replace("Z", "+");
+
+        foreach(var format in _pdfDateFormats)
+        {
+            if (DateTime.TryParseExact(text, format, null, System.Globalization.DateTimeStyles.None, out var pdfDate)) return pdfDate;
+        }
+
+        return null;
+    }
+
+    private string? MaybeGetMetadata(Dictionary<string, string> metadata, string key)
+    {
+        return metadata.ContainsKey(key) ? metadata[key] : null;
+    }
+
+    private ComicInfo? GetComicInfoFromMetadata(Dictionary<string, string> metadata, string filePath)
+    {
+        var info = new ComicInfo();
+
+        var publicationDate = GetDateTimeFromText(MaybeGetMetadata(metadata, "CreationDate"));
+
+        if (publicationDate != null)
+        {
+            info.Year  = publicationDate.Value.Year;
+            info.Month = publicationDate.Value.Month;
+            info.Day   = publicationDate.Value.Day;
+        }
+
+        info.Summary   = MaybeGetMetadata(metadata, "Summary") ?? string.Empty;
+        info.Publisher = MaybeGetMetadata(metadata, "Publisher") ?? string.Empty;
+        info.Writer    = MaybeGetMetadata(metadata, "Author") ?? string.Empty;
+        info.Title     = MaybeGetMetadata(metadata, "Title") ?? string.Empty;
+        info.Genre     = MaybeGetMetadata(metadata, "Subject") ?? string.Empty;
+        info.LanguageISO = BookService.ValidateLanguage(MaybeGetMetadata(metadata, "Language"));
+        info.Isbn      = MaybeGetMetadata(metadata, "ISBN") ?? string.Empty;
+
+        if (info.Isbn != string.Empty && !ArticleNumberHelper.IsValidIsbn10(info.Isbn) && !ArticleNumberHelper.IsValidIsbn13(info.Isbn))
+        {
+            _logger.LogDebug("[BookService] {File} has an invalid ISBN number", filePath);
+            info.Isbn = string.Empty;
+        }
+
+        info.UserRating = GetFloatFromText(MaybeGetMetadata(metadata, "UserRating")) ?? 0.0f;
+        info.TitleSort  = MaybeGetMetadata(metadata, "TitleSort") ?? string.Empty;
+        info.Series     = MaybeGetMetadata(metadata, "Series") ?? info.TitleSort;
+        info.SeriesSort = info.Series;
+        info.Volume     = (GetFloatFromText(MaybeGetMetadata(metadata, "Volume")) ?? 0.0f).ToString();
+
+        // If this is a single book and not a collection, set publication status to Completed
+        if (string.IsNullOrEmpty(info.Volume) && Parser.ParseVolume(filePath, LibraryType.Manga).Equals(Parser.LooseLeafVolume))
+        {
+            info.Count = 1;
+        }
+
+        // Removed as probably unneeded per discussion in https://github.com/Kareadita/Kavita/pull/3108#discussion_r1956747782
+        //
+        // var hasVolumeInSeries = !Parser.ParseVolume(info.Title, LibraryType.Manga)
+        //     .Equals(Parser.LooseLeafVolume);
+
+        // if (string.IsNullOrEmpty(info.Volume) && hasVolumeInSeries && (!info.Series.Equals(info.Title) || string.IsNullOrEmpty(info.Series)))
+        // {
+        //     // This is likely a light novel for which we can set series from parsed title
+        //     info.Series = Parser.ParseSeries(info.Title, LibraryType.Manga);
+        //     info.Volume = Parser.ParseVolume(info.Title, LibraryType.Manga);
+        // }
+
+        ComicInfo.CleanComicInfo(info);
+
+        return info;
+    }
+
+    public ComicInfo? GetComicInfo(string filePath)
+    {
+        try
+        {
+            var extractor = new PdfMetadataExtractor(_logger, filePath);
+
+            return GetComicInfoFromMetadata(extractor.GetMetadata(), filePath);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogWarning(ex, "[GetComicInfo] There was an exception parsing PDF metadata for {File}", filePath);
+            _mediaErrorService.ReportMediaIssue(filePath, MediaErrorProducer.BookService,
+                "There was an exception parsing PDF metadata", ex);
+        }
+
+        return null;
+    }
+}

API/Services/BookService.cs

@@ -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;
 

API/Services/Plus/ExternalMetadataService.cs

@@ -566,7 +566,6 @@ public class ExternalMetadataService : IExternalMetadataService
             return false;
         }
 
-        var relatedSeriesDict = new Dictionary<int, Series>();
         foreach (var relation in externalMetadataRelations)
         {
             var names = new [] {relation.SeriesName.PreferredTitle, relation.SeriesName.RomajiTitle, relation.SeriesName.EnglishTitle, relation.SeriesName.NativeTitle};
@@ -586,19 +585,6 @@ public class ExternalMetadataService : IExternalMetadataService
 
             if (relationshipExists) continue;
 
-            relatedSeriesDict[relatedSeries.Id] = relatedSeries;
-        }
-
-        // Process relationships
-        foreach (var relation in externalMetadataRelations)
-        {
-            var relatedSeries = relatedSeriesDict.GetValueOrDefault(
-                relatedSeriesDict.Keys.FirstOrDefault(k =>
-                    relatedSeriesDict[k].Name == relation.SeriesName.PreferredTitle ||
-                    relatedSeriesDict[k].Name == relation.SeriesName.NativeTitle));
-
-            if (relatedSeries == null) continue;
-
             // Add new relationship
             var newRelation = new SeriesRelation
             {
@@ -969,7 +955,7 @@ public class ExternalMetadataService : IExternalMetadataService
             return false;
         }
 
-        if (!string.IsNullOrEmpty(externalMetadata.CoverUrl) && !settings.HasOverride(MetadataSettingField.Covers))
+        if (string.IsNullOrEmpty(externalMetadata.CoverUrl))
         {
             return false;
         }

API/Services/ReadingItemService.cs

@@ -52,7 +52,7 @@ public class ReadingItemService : IReadingItemService
     /// <returns></returns>
     private ComicInfo? GetComicInfo(string filePath)
     {
-        if (Parser.IsEpub(filePath))
+        if (Parser.IsEpub(filePath) || Parser.IsPdf(filePath))
         {
             return _bookService.GetComicInfo(filePath);
         }

API/Services/Tasks/Scanner/Parser/PdfParser.cs

@@ -68,6 +68,9 @@ public class PdfParser(IDirectoryService directoryService) : DefaultParser(direc
             ParseFromFallbackFolders(filePath, tempRootPath, type, ref ret);
         }
 
+        // Patch in other information from ComicInfo
+        UpdateFromComicInfo(ret);
+
         if (ret.Chapters == Parser.DefaultChapter && ret.Volumes == Parser.LooseLeafVolume && type == LibraryType.Book)
         {
             ret.IsSpecial = true;

API/Services/Tasks/Scanner/ProcessSeries.cs

@@ -285,7 +285,7 @@ public class ProcessSeries : IProcessSeries
         var firstChapter = SeriesService.GetFirstChapterForMetadata(series);
 
         var firstFile = firstChapter?.Files.FirstOrDefault();
-        if (firstFile == null || Parser.Parser.IsPdf(firstFile.FilePath)) return;
+        if (firstFile == null) return;
 
         var chapters = series.Volumes
             .SelectMany(volume => volume.Chapters)

API/config/appsettings.Development.json

@@ -2,7 +2,7 @@
   "TokenKey": "super secret unguessable key that is longer because we require it",
   "Port": 5000,
   "IpAddresses": "0.0.0.0,::",
-  "BaseUrl": "/test/",
+  "BaseUrl": "/",
   "Cache": 75,
   "AllowIFraming": false
 }

UI/Web/src/app/admin/manage-settings/manage-settings.component.html

@@ -17,13 +17,13 @@
         @if (settingsForm.get('hostName'); as formControl) {
           <app-setting-item [title]="t('host-name-label')" [subtitle]="t('host-name-tooltip')">
             <ng-template #view>
-              {{formControl.value}}
+              {{formControl.value | defaultValue}}
             </ng-template>
             <ng-template #edit>
               <input id="settings-hostname" aria-describedby="settings-hostname-help" class="form-control" formControlName="hostName" type="text"
-                     [class.is-invalid]="formControl.invalid && formControl.touched">
+                     [class.is-invalid]="formControl.invalid && !formControl.untouched">
 
-              @if(settingsForm.dirty || settingsForm.touched) {
+              @if(settingsForm.dirty || !settingsForm.untouched) {
                 <div id="hostname-validations" class="invalid-feedback">
                   @if (formControl.errors?.pattern) {
                     <div>{{t('host-name-validation')}}</div>
@@ -44,11 +44,11 @@
             <ng-template #edit>
               <div class="input-group">
                 <input id="settings-baseurl" aria-describedby="settings-baseurl-help" class="form-control" formControlName="baseUrl" type="text"
-                       [class.is-invalid]="formControl.invalid && formControl.touched">
+                       [class.is-invalid]="formControl.invalid && !formControl.untouched">
                 <button type="button" class="btn btn-outline-secondary" (click)="resetBaseUrl()">{{t('reset')}}</button>
               </div>
 
-              @if(settingsForm.dirty || settingsForm.touched) {
+              @if(settingsForm.dirty || !settingsForm.untouched) {
                 <div id="baseurl-validations" class="invalid-feedback">
                   @if (formControl.errors?.pattern) {
                     <div>{{t('base-url-validation')}}</div>
@@ -69,11 +69,11 @@
             <ng-template #edit>
               <div class="input-group">
                 <input id="settings-ipaddresses" aria-describedby="settings-ipaddresses-help" class="form-control" formControlName="ipAddresses" type="text"
-                       [class.is-invalid]="formControl.invalid && formControl.touched">
+                       [class.is-invalid]="formControl.invalid && !formControl.untouched">
                 <button type="button" class="btn btn-outline-secondary" (click)="resetIPAddresses()">{{t('reset')}}</button>
               </div>
 
-              @if(settingsForm.dirty || settingsForm.touched) {
+              @if(settingsForm.dirty || !settingsForm.untouched) {
                 <div id="ipaddresses-validations" class="invalid-feedback">
                   @if (formControl.errors?.pattern) {
                     <div>{{t('ip-address-validation')}}</div>
@@ -116,9 +116,9 @@
               <input id="settings-backup" aria-describedby="total-backups-validations" class="form-control"
                      formControlName="totalBackups" type="number" inputmode="numeric" step="1" min="1" max="30"
                      onkeypress="return event.charCode >= 48 && event.charCode <= 57"
-                     [class.is-invalid]="formControl.invalid && formControl.touched">
+                     [class.is-invalid]="formControl.invalid && !formControl.untouched">
 
-              @if(settingsForm.dirty || settingsForm.touched) {
+              @if(settingsForm.dirty || !settingsForm.untouched) {
                 <div id="total-backups-validations" class="invalid-feedback">
                   @if (formControl.errors?.required) {
                     <div>{{t('field-required')}}</div>
@@ -146,9 +146,9 @@
               <input id="settings-logs" aria-describedby="total-logs-validations" class="form-control"
                      formControlName="totalLogs" type="number" inputmode="numeric" step="1" min="1" max="30"
                      onkeypress="return event.charCode >= 48 && event.charCode <= 57"
-                     [class.is-invalid]="formControl.invalid && formControl.touched">
+                     [class.is-invalid]="formControl.invalid && !formControl.untouched">
 
-              @if(settingsForm.dirty || settingsForm.touched) {
+              @if(settingsForm.dirty || !settingsForm.untouched) {
                 <div id="total-logs-validations" class="invalid-feedback">
                   @if (formControl.errors?.required) {
                     <div>{{t('field-required')}}</div>
@@ -175,13 +175,13 @@
             <ng-template #edit>
 
               <select id="logging-level" aria-describedby="logging-level-help" class="form-select"  formControlName="loggingLevel"
-                      [class.is-invalid]="formControl.invalid && formControl.touched">
+                      [class.is-invalid]="formControl.invalid && !formControl.untouched">
                 @for(level of logLevels; track level) {
                   <option [value]="level">{{level | titlecase}}</option>
                 }
               </select>
 
-              @if(settingsForm.dirty || settingsForm.touched) {
+              @if(settingsForm.dirty || !settingsForm.untouched) {
                 <div id="logging-level-validations" class="invalid-feedback">
                   @if (formControl.errors?.pattern) {
                     <div>{{t('host-name-validation')}}</div>
@@ -202,9 +202,9 @@
             <ng-template #edit>
               <input id="setting-cache-size" aria-describedby="cache-size-help" class="form-control" formControlName="cacheSize"
                      type="number" inputmode="numeric" step="5" min="50" onkeypress="return event.charCode >= 48 && event.charCode <= 57"
-                     [class.is-invalid]="formControl.invalid && formControl.touched">
+                     [class.is-invalid]="formControl.invalid && !formControl.untouched">
 
-              @if(settingsForm.dirty || settingsForm.touched) {
+              @if(settingsForm.dirty || !settingsForm.untouched) {
                 <div id="cache-size-validations" class="invalid-feedback">
                   @if (formControl.errors?.required) {
                     <div>{{t('field-required')}}</div>
@@ -271,9 +271,9 @@
               <input id="setting-on-deck-progress-days" aria-describedby="on-deck-progress-days-validations" class="form-control" formControlName="onDeckProgressDays"
                      type="number" inputmode="numeric" step="1" min="1"
                      onkeypress="return event.charCode >= 48 && event.charCode <= 57"
-                     [class.is-invalid]="formControl.invalid && formControl.touched">
+                     [class.is-invalid]="formControl.invalid && !formControl.untouched">
 
-              @if(settingsForm.dirty || settingsForm.touched) {
+              @if(settingsForm.dirty || !settingsForm.untouched) {
                 <div id="on-deck-last-progress-validations" class="invalid-feedback">
                   @if (formControl.errors?.required) {
                     <div>{{t('field-required')}}</div>
@@ -298,9 +298,9 @@
               <input id="on-deck-last-chapter-add" aria-describedby="on-deck-last-chapter-add-validations" class="form-control" formControlName="onDeckUpdateDays"
                      type="number" inputmode="numeric" step="1" min="1"
                      onkeypress="return event.charCode >= 48 && event.charCode <= 57"
-                     [class.is-invalid]="formControl.invalid && formControl.touched">
+                     [class.is-invalid]="formControl.invalid && !formControl.untouched">
 
-              @if(settingsForm.dirty || settingsForm.touched) {
+              @if(settingsForm.dirty || !settingsForm.untouched) {
                 <div id="on-deck-last-chapter-add-validations" class="invalid-feedback">
                   @if (formControl.errors?.required) {
                     <div>{{t('field-required')}}</div>

UI/Web/src/app/admin/manage-settings/manage-settings.component.ts

@@ -5,17 +5,15 @@ import {take} from 'rxjs/operators';
 import {ServerService} from 'src/app/_services/server.service';
 import {SettingsService} from '../settings.service';
 import {ServerSettings} from '../_models/server-settings';
-import {NgbTooltip} from '@ng-bootstrap/ng-bootstrap';
-import {NgTemplateOutlet, TitleCasePipe} from '@angular/common';
+import {TitleCasePipe} from '@angular/common';
 import {translate, TranslocoModule, TranslocoService} from "@jsverse/transloco";
 import {WikiLink} from "../../_models/wiki";
-import {PageLayoutModePipe} from "../../_pipes/page-layout-mode.pipe";
 import {SettingItemComponent} from "../../settings/_components/setting-item/setting-item.component";
 import {SettingSwitchComponent} from "../../settings/_components/setting-switch/setting-switch.component";
-import {SafeHtmlPipe} from "../../_pipes/safe-html.pipe";
 import {ConfirmService} from "../../shared/confirm.service";
 import {debounceTime, distinctUntilChanged, filter, of, switchMap, tap} from "rxjs";
 import {takeUntilDestroyed} from "@angular/core/rxjs-interop";
+import {DefaultValuePipe} from "../../_pipes/default-value.pipe";
 
 const ValidIpAddress = /^(\s*((([12]?\d{1,2}\.){3}[12]?\d{1,2})|(([\da-f]{0,4}\:){0,7}([\da-f]{0,4})))\s*\,)*\s*((([12]?\d{1,2}\.){3}[12]?\d{1,2})|(([\da-f]{0,4}\:){0,7}([\da-f]{0,4})))\s*$/i;
 
@@ -25,7 +23,7 @@ const ValidIpAddress = /^(\s*((([12]?\d{1,2}\.){3}[12]?\d{1,2})|(([\da-f]{0,4}\:
   styleUrls: ['./manage-settings.component.scss'],
   standalone: true,
   changeDetection: ChangeDetectionStrategy.OnPush,
-  imports: [ReactiveFormsModule, TitleCasePipe, TranslocoModule, SettingItemComponent, SettingSwitchComponent]
+  imports: [ReactiveFormsModule, TitleCasePipe, TranslocoModule, SettingItemComponent, SettingSwitchComponent, DefaultValuePipe]
 })
 export class ManageSettingsComponent implements OnInit {
 
@@ -81,7 +79,7 @@ export class ManageSettingsComponent implements OnInit {
       // Automatically save settings as we edit them
       this.settingsForm.valueChanges.pipe(
         distinctUntilChanged(),
-        debounceTime(100),
+        debounceTime(300),
         filter(_ => this.settingsForm.valid),
         takeUntilDestroyed(this.destroyRef),
         switchMap(_ => {

UI/Web/src/app/chapter-detail/chapter-detail.component.html

@@ -95,7 +95,7 @@
                 <div>
                   <app-badge-expander [items]="chapter.writers" [allowToggle]="false" (toggle)="switchTabsToDetail()">
                     <ng-template #badgeExpanderItem let-item let-position="idx" let-last="last">
-                      <a href="javascript:void(0)" class="dark-exempt btn-icon" (click)="openPerson(FilterField.Writers, item.id)">{{item.name}}</a>
+                      <a routerLink="/person/{{encodeURIComponent(item.name)}}/" class="dark-exempt btn-icon">{{item.name}}</a>
                     </ng-template>
                   </app-badge-expander>
                 </div>
@@ -111,7 +111,7 @@
                   <div>
                     <app-badge-expander [items]="chapter.coverArtists" [allowToggle]="false" (toggle)="switchTabsToDetail()">
                       <ng-template #badgeExpanderItem let-item let-position="idx" let-last="last">
-                        <a href="javascript:void(0)" class="dark-exempt btn-icon" (click)="openPerson(FilterField.CoverArtist, item.id)">{{item.name}}</a>
+                        <a routerLink="/person/{{encodeURIComponent(item.name)}}/" class="dark-exempt btn-icon">{{item.name}}</a>
                       </ng-template>
                     </app-badge-expander>
                   </div>

UI/Web/src/app/chapter-detail/chapter-detail.component.ts

@@ -364,4 +364,5 @@ export class ChapterDetailComponent implements OnInit {
   }
 
   protected readonly LibraryType = LibraryType;
+    protected readonly encodeURIComponent = encodeURIComponent;
 }

UI/Web/src/app/manga-reader/_components/manga-reader/manga-reader.component.ts

@@ -788,7 +788,7 @@ export class MangaReaderComponent implements OnInit, AfterViewInit, OnDestroy {
 
     if (this.mangaReaderService.shouldBeWebtoonMode()) {
       this.readerMode = ReaderMode.Webtoon;
-      this.toastr.info(translate('manga-reader.webtoon-override'));
+      this.toastr.info(translate('toasts.webtoon-override'));
       this.readerModeSubject.next(this.readerMode);
       this.cdRef.markForCheck();
     }

UI/Web/src/app/person-detail/person-detail.component.html

@@ -26,6 +26,7 @@
             <div class="person-badge">
               <app-image
                       objectFit="cover"
+                      [styles]="{'object-position': 'top'}"
                       height="200px"
                       width="200px"
                       [imageUrl]="imageService.getPersonImage(person.id)"

UI/Web/src/app/shared/person-badge/person-badge.component.html

@@ -6,13 +6,14 @@
           @if (HasCoverImage) {
             <app-image
                       objectFit="cover"
+                      [styles]="{'object-position': 'top'}"
                       height="96px"
                       width="96px"
                       [imageUrl]="ImageUrl"
                       [errorImage]="imageService.noPersonImage">
             </app-image>
           } @else {
-              <i class="fas fa-user" aria-hidden="true"></i>
+             <i class="fas fa-user" aria-hidden="true"></i>
           }
         </div>
 

UI/Web/src/app/user-settings/user-holds/scrobbling-holds.component.html

@@ -31,7 +31,7 @@
       </ng-template>
     </ngx-datatable-column>
 
-    <ngx-datatable-column prop="validUntilUtc" [sortable]="true" [draggable]="false" [resizeable]="false">
+    <ngx-datatable-column prop="validUntilUtc" [sortable]="false" [draggable]="false" [resizeable]="false">
       <ng-template let-column="column" ngx-datatable-header-template>
 
       </ng-template>

UI/Web/src/app/volume-detail/volume-detail.component.html

@@ -99,7 +99,7 @@
                 <div>
                   <app-badge-expander [items]="volumeCast.writers" [allowToggle]="false" (toggle)="switchTabsToDetail()">
                     <ng-template #badgeExpanderItem let-item let-position="idx" let-last="last">
-                      <a href="javascript:void(0)" class="dark-exempt btn-icon" (click)="openPerson(FilterField.Writers, item.id)">{{item.name}}</a>
+                      <a routerLink="/person/{{encodeURIComponent(item.name)}}/" class="dark-exempt btn-icon">{{item.name}}</a>
                     </ng-template>
                   </app-badge-expander>
                 </div>
@@ -109,7 +109,7 @@
                 <div>
                   <app-badge-expander [items]="volumeCast.coverArtists" [allowToggle]="false" (toggle)="switchTabsToDetail()">
                     <ng-template #badgeExpanderItem let-item let-position="idx" let-last="last">
-                      <a href="javascript:void(0)" class="dark-exempt btn-icon" (click)="openPerson(FilterField.CoverArtist, item.id)">{{item.name}}</a>
+                      <a routerLink="/person/{{encodeURIComponent(item.name)}}/" class="dark-exempt btn-icon">{{item.name}}</a>
                     </ng-template>
                   </app-badge-expander>
                 </div>

UI/Web/src/app/volume-detail/volume-detail.component.ts

@@ -666,4 +666,6 @@ export class VolumeDetailComponent implements OnInit {
       this.currentlyReadingChapter = undefined;
     }
   }
+
+  protected readonly encodeURIComponent = encodeURIComponent;
 }

openapi.json

@@ -2,7 +2,7 @@
   "openapi": "3.0.1",
   "info": {
     "title": "Kavita",
-    "description": "Kavita provides a set of APIs that are authenticated by JWT. JWT token can be copied from local storage. Assume all fields of a payload are required. Built against v0.8.4.14",
+    "description": "Kavita provides a set of APIs that are authenticated by JWT. JWT token can be copied from local storage. Assume all fields of a payload are required. Built against v0.8.4.15",
     "license": {
       "name": "GPL-3.0",
       "url": "https://github.com/Kareadita/Kavita/blob/develop/LICENSE"