Feat/#8

Epub/KoeBook.Epub/Contracts/Services/IEpubGeneration.cs

@@ -0,0 +1,8 @@
+using KoeBook.Epub.Models;
+
+namespace KoeBook.Epub.Contracts.Services;
+
+public interface IEpubGeneration
+{
+    ValueTask<bool> TryCreateEpubAsync(EpubDocument epubDocument, string tmpDirectory, CancellationToken ct);
+}

Epub/KoeBook.Epub/Contracts/Services/IFileExtensionService.cs

@@ -0,0 +1,6 @@
+namespace KoeBook.Epub.Contracts.Services;
+
+public interface IFileExtensionService
+{
+    public string GetImagesMediaType(string fileName);
+}

Epub/KoeBook.Epub/Contracts/Services/IScraperSelectorService.cs

@@ -0,0 +1,11 @@
+using KoeBook.Epub.Models;
+
+namespace KoeBook.Epub.Contracts.Services;
+
+/// <summary>
+/// スクレイピングを行い、EpubDocumentを作成します。
+/// </summary>
+public interface IScraperSelectorService
+{
+    public ValueTask<EpubDocument> ScrapingAsync(string url, string coverFillePath, string tempDirectory, Guid id, CancellationToken ct);
+}

Epub/KoeBook.Epub/Contracts/Services/IScrapingService.cs

@@ -0,0 +1,8 @@
+using KoeBook.Epub.Models;
+
+namespace KoeBook.Epub.Contracts.Services;
+
+public interface IScrapingService : IScraperSelectorService
+{
+    public bool IsMatchSite(Uri url);
+}

Epub/KoeBook.Epub/Audio.cs → Epub/KoeBook.Epub/Models/Audio.cs

@@ -1,7 +1,6 @@
-using System;
-using NAudio.Wave;
+using NAudio.Wave;
 
-namespace KoeBook.Epub;
+namespace KoeBook.Epub.Models;
 
 public sealed class Audio
 {

Epub/KoeBook.Epub/Chapter.cs → Epub/KoeBook.Epub/Models/Chapter.cs

@@ -1,4 +1,4 @@
-namespace KoeBook.Epub;
+namespace KoeBook.Epub.Models;
 
 public class Chapter
 {

Epub/KoeBook.Epub/CssClass.cs → Epub/KoeBook.Epub/Models/CssClass.cs

@@ -1,3 +1,3 @@
-namespace KoeBook.Epub;
+namespace KoeBook.Epub.Models;
 
 public record CssClass(string Name, string Text);

Epub/KoeBook.Epub/Element.cs → Epub/KoeBook.Epub/Models/Element.cs

@@ -1,4 +1,4 @@
-namespace KoeBook.Epub;
+namespace KoeBook.Epub.Models;
 
 public abstract class Element
 {

Epub/KoeBook.Epub/EpubDocument.cs → Epub/KoeBook.Epub/Models/EpubDocument.cs

@@ -1,24 +1,11 @@
-using System.ComponentModel;
-using System.Drawing;
-using System.Globalization;
+using System.Globalization;
 using System.IO.Compression;
 using System.Text;
-using System.Xml;
-using NAudio.Mixer;
 
-namespace KoeBook.Epub;
+namespace KoeBook.Epub.Models;
 
 public class EpubDocument(string title, string author, string coverFilePath, Guid id)
 {
-    readonly string _containerXml = """
-     <?xml version="1.0" encoding="UTF-8"?>
-     <container version="1.0" xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
-         <rootfiles>
-             <rootfile full-path="OEBPS/book.opf" media-type="application/oebps-package+xml" />
-         </rootfiles>
-     </container>
-     """;
-
     public string Title { get; set; } = title;
     public string Author { get; set; } = author;
 
@@ -41,6 +28,33 @@ public class EpubDocument(string title, string author, string coverFilePath, Gui
     ];
     public List<Chapter> Chapters { get; set; } = [];
 
+    internal void EnsureChapter()
+    {
+        if (Chapters.Count == 0)
+            Chapters.Add(new Chapter() { Title = null });
+    }
+
+    internal void EnsureSection(int chapterIndex)
+    {
+        EnsureChapter();
+
+        if (Chapters[chapterIndex].Sections.Count == 0)
+        {
+            if (Chapters[chapterIndex].Title != null)
+                Chapters[chapterIndex].Sections.Add(new Section(Chapters[chapterIndex].Title!));
+            else
+                Chapters[chapterIndex].Sections.Add(new Section(Title));
+        }
+    }
+
+    internal void EnsureParagraph(int chapterIndex, int sectionIndex)
+    {
+        EnsureSection(chapterIndex);
+
+        if (Chapters[chapterIndex].Sections[sectionIndex].Elements.Count == 0)
+            Chapters[chapterIndex].Sections[sectionIndex].Elements.Add(new Paragraph());
+    }
+
     public string CreateNavXhtml()
     {
         var builder = new StringBuilder($"""
@@ -57,7 +71,7 @@ public string CreateNavXhtml()
             """);
         if (Chapters.Count == 1 && Chapters[0].Title == null)
         {
-            for (int i = 0; i < Chapters[0].Sections.Count; i++)
+            for (var i = 0; i < Chapters[0].Sections.Count; i++)
             {
                 builder.AppendLine($"""
                                 <li>
@@ -68,14 +82,14 @@ public string CreateNavXhtml()
         }
         else
         {
-            for (int i = 0; i < Chapters.Count; i++)
+            for (var i = 0; i < Chapters.Count; i++)
             {
                 builder.AppendLine($"""
                                     <li>
                                         <span>{Chapters[i].Title}</span>
                                         <ol>
                     """);
-                for (int j = 0; j < Chapters[i].Sections.Count; j++)
+                for (var j = 0; j < Chapters[i].Sections.Count; j++)
                 {
                     builder.AppendLine($"""
                                                 <li>
@@ -126,9 +140,9 @@ public string CreateOpf()
             """);
 
         var totalTime = TimeSpan.Zero;
-        for (int i = 0; i < Chapters.Count; i++)
+        for (var i = 0; i < Chapters.Count; i++)
         {
-            for (int j = 0; j < Chapters[i].Sections.Count; j++)
+            for (var j = 0; j < Chapters[i].Sections.Count; j++)
             {
                 var time = Chapters[i].Sections[j].GetTotalTime();
                 totalTime += time;
@@ -146,9 +160,9 @@ public string CreateOpf()
                     <item id="nav" href="nav.xhtml" properties="nav" media-type="application/xhtml+xml" />
             """);
 
-        for (int i = 0; i < Chapters.Count; i++)
+        for (var i = 0; i < Chapters.Count; i++)
         {
-            for (int j = 0; j < Chapters[i].Sections.Count; j++)
+            for (var j = 0; j < Chapters[i].Sections.Count; j++)
             {
                 builder.AppendLine($"""
                                 <item id="section_{i}_{j}" href="{Chapters[i].Sections[j].Id}.xhtml" media-type="application/xhtml+xml" media-overlay="smil_{i}_{j}" />
@@ -174,9 +188,9 @@ public string CreateOpf()
                 <spine page-progression-direction="ltr">
             """);
 
-        for (int i = 0; i < Chapters.Count; i++)
+        for (var i = 0; i < Chapters.Count; i++)
         {
-            for (int j = 0; j < Chapters[i].Sections.Count; j++)
+            for (var j = 0; j < Chapters[i].Sections.Count; j++)
             {
                 builder.AppendLine($"""
                                 <itemref idref="section_{i}_{j}" id="itemref_{i}_{j}" />
@@ -191,97 +205,12 @@ public string CreateOpf()
         return builder.ToString();
     }
 
-    public async Task<bool> TryCreateEpubAsync(string tmpDirectory, string name, CancellationToken ct)
-    {
-        if (!File.Exists(CoverFilePath))
-        {
-            throw new FileNotFoundException("指定されたカバーファイルが存在しません", CoverFilePath);
-        }
-        try
-        {
-            using var fs = File.Create(Path.Combine(tmpDirectory, $"{name}.epub"));
-            using var archive = new ZipArchive(fs, ZipArchiveMode.Create);
-
-            var mimeTypeEntry = archive.CreateEntry("mimetype", CompressionLevel.NoCompression);
-            using (var mimeTypeStream = new StreamWriter(mimeTypeEntry.Open()))
-            {
-                await mimeTypeStream.WriteAsync("application/epub+zip").ConfigureAwait(false);
-                await mimeTypeStream.FlushAsync(ct).ConfigureAwait(false);
-            }
-
-            var containerEntry = archive.CreateEntry("META-INF/container.xml");
-            using (var containerStream = new StreamWriter(containerEntry.Open()))
-            {
-                await containerStream.WriteLineAsync(_containerXml).ConfigureAwait(false);
-                await containerStream.FlushAsync(ct).ConfigureAwait(false);
-            }
-
-            archive.CreateEntryFromFile(CoverFilePath, $"OEBPS/{Path.GetFileName(CoverFilePath)}");
-
-            var cssEntry = archive.CreateEntry("OEBPS/style.css");
-            using (var cssStream = new StreamWriter(cssEntry.Open()))
-            {
-                await cssStream.WriteLineAsync(CreateCssText()).ConfigureAwait(false);
-                await cssStream.FlushAsync(ct).ConfigureAwait(false);
-            }
-
-            var navEntry = archive.CreateEntry("OEBPS/nav.xhtml");
-            using (var navStream = new StreamWriter(navEntry.Open()))
-            {
-                await navStream.WriteLineAsync(CreateNavXhtml()).ConfigureAwait(false);
-                await navStream.FlushAsync(ct).ConfigureAwait(false);
-            }
-
-            var opfEntry = archive.CreateEntry("OEBPS/book.opf");
-            using (var opfStream = new StreamWriter(opfEntry.Open()))
-            {
-                await opfStream.WriteLineAsync(CreateOpf()).ConfigureAwait(false);
-                await opfStream.FlushAsync(ct).ConfigureAwait(false);
-            }
-
-            for (int i = 0; i < Chapters.Count; i++)
-            {
-                for (int j = 0; j < Chapters[i].Sections.Count; j++)
-                {
-                    var sectionXhtmlEntry = archive.CreateEntry($"OEBPS/{Chapters[i].Sections[j].Id}.xhtml");
-                    using (var sectionXhtmlStream = new StreamWriter(sectionXhtmlEntry.Open()))
-                    {
-                        await sectionXhtmlStream.WriteLineAsync(Chapters[i].Sections[j].CreateSectionXhtml()).ConfigureAwait(false);
-                        await sectionXhtmlStream.FlushAsync(ct).ConfigureAwait(false);
-                    }
-                    var sectionSmilEntry = archive.CreateEntry($"OEBPS/{Chapters[i].Sections[j].Id}_audio.smil");
-                    using (var sectionSmilStream = new StreamWriter(sectionSmilEntry.Open()))
-                    {
-                        await sectionSmilStream.WriteLineAsync(Chapters[i].Sections[j].CreateSectionSmil()).ConfigureAwait(false);
-                        await sectionSmilStream.FlushAsync(ct).ConfigureAwait(false);
-                    }
-                    for (var k = 0; k < Chapters[i].Sections[j].Elements.Count; k++)
-                    {
-                        var element = Chapters[i].Sections[j].Elements[k];
-                        if (element is Paragraph para && para.Audio != null)
-                        {
-                            var audioEntry = archive.CreateEntry($"OEBPS/{Chapters[i].Sections[j].Id}_p{k}.mp3");
-                            using var audioStream = para.Audio.GetStream();
-                            using var audioEntryStream = audioEntry.Open();
-                            await audioStream.CopyToAsync(audioEntryStream, ct).ConfigureAwait(false);
-                            await audioEntryStream.FlushAsync(ct).ConfigureAwait(false);
-                        }
-                        else if (element is Picture pic && File.Exists(pic.PictureFilePath))
-                        {
-                            archive.CreateEntryFromFile(pic.PictureFilePath, $"OEBPS/{Chapters[i].Sections[j].Id}_p{k}{Path.GetExtension(pic.PictureFilePath)}");
-                        }
-                    }
-                }
-            }
-            return true;
-        }
-        catch (OperationCanceledException)
-        {
-            throw;
-        }
-        catch
-        {
-            return false;
-        }
-    }
+    public string CreateContainerXml() => """
+     <?xml version="1.0" encoding="UTF-8"?>
+     <container version="1.0" xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
+         <rootfiles>
+             <rootfile full-path="OEBPS/book.opf" media-type="application/oebps-package+xml" />
+         </rootfiles>
+     </container>
+     """;
 }

Epub/KoeBook.Epub/Paragraph.cs → Epub/KoeBook.Epub/Models/Paragraph.cs

@@ -1,4 +1,4 @@
-namespace KoeBook.Epub;
+namespace KoeBook.Epub.Models;
 
 public sealed class Paragraph : Element
 {

Epub/KoeBook.Epub/Picture.cs → Epub/KoeBook.Epub/Models/Picture.cs

@@ -1,4 +1,4 @@
-namespace KoeBook.Epub;
+namespace KoeBook.Epub.Models;
 
 public class Picture(string path) : Element
 {

Epub/KoeBook.Epub/Section.cs → Epub/KoeBook.Epub/Models/Section.cs

@@ -1,6 +1,6 @@
 using System.Text;
 
-namespace KoeBook.Epub;
+namespace KoeBook.Epub.Models;
 
 public sealed class Section(string title)
 {
@@ -20,7 +20,7 @@ public string CreateSectionXhtml()
                 <body>
             """);
 
-        for (int i = 0; i < Elements.Count; i++)
+        for (var i = 0; i < Elements.Count; i++)
         {
             if (Elements[i] is Paragraph para)
             {
@@ -55,7 +55,7 @@ public string CreateSectionSmil()
                 <body>
             """);
 
-        for (int i = 0; i < Elements.Count; i++)
+        for (var i = 0; i < Elements.Count; i++)
         {
             if (Elements[i] is Paragraph para && para.Audio != null)
             {