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feat/#8 #11

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merged 9 commits into from
Mar 10, 2024
Merged

feat/#8 #11

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8da4ce7
TryCreateEpubAsyncをサービスとして切り出す
aiueo-1234 Mar 3, 2024
00ed0be
名称変更とDI登録
aiueo-1234 Mar 3, 2024
c6f8911
EpubDocument内の.epub生成に関するコードを移動
aiueo-1234 Mar 6, 2024
b281676
セクション部分を作成するコードを移動
aiueo-1234 Mar 10, 2024
4a7ea0f
StringBuilderの一本化
aiueo-1234 Mar 10, 2024
26f5f82
Merge branch 'main' into feat/#8
aiueo-1234 Mar 10, 2024
aaf47f2
Merge branch 'main' into feat/#8
aiueo-1234 Mar 10, 2024
409d868
CreateContainerXmlの変更
aiueo-1234 Mar 10, 2024
abd0a66
revert StringBuilderの一本化
aiueo-1234 Mar 10, 2024
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8 changes: 8 additions & 0 deletions Epub/KoeBook.Epub/Contracts/Services/IEpubCreateService.cs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@
using KoeBook.Epub.Models;

namespace KoeBook.Epub.Contracts.Services;

public interface IEpubCreateService
{
ValueTask<bool> TryCreateEpubAsync(EpubDocument epubDocument, string tmpDirectory, CancellationToken ct);
}
17 changes: 0 additions & 17 deletions Epub/KoeBook.Epub/EpubCreateHelper.cs
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273 changes: 10 additions & 263 deletions Epub/KoeBook.Epub/Models/EpubDocument.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -6,15 +6,6 @@ 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;

Expand All @@ -23,17 +14,17 @@ public class EpubDocument(string title, string author, string coverFilePath, Gui
public Guid Id { get; } = id;

public List<CssClass> CssClasses { get; set; } = [
new CssClass("-epub-media-overlay-active", """
.-epub-media-overlay-active *{
background-color: yellow;
color: black !important;
}
"""),
new CssClass("-epub-media-overlay-active", """
.-epub-media-overlay-active *{
background-color: yellow;
color: black !important;
}
"""),
new CssClass("-epub-media-overlay-unactive", """
.-epub-media-overlay-unactive * {
color: gray;
}
"""),
.-epub-media-overlay-unactive * {
color: gray;
}
"""),
];
public List<Chapter> Chapters { get; set; } = [];

Expand Down Expand Up @@ -63,248 +54,4 @@ internal void EnsureParagraph(int chapterIndex, int sectionIndex)
if (Chapters[chapterIndex].Sections[sectionIndex].Elements.Count == 0)
Chapters[chapterIndex].Sections[sectionIndex].Elements.Add(new Paragraph());
}

public string CreateNavXhtml()
{
var builder = new StringBuilder($"""
<?xml version="1.0" encoding="UTF-8"?>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops">
<head>
<meta charset="UTF-8"/>
<title>{Title}</title>
</head>
<body>
<nav epub:type="toc" id="toc">
<ol>

""");
if (Chapters.Count == 1 && Chapters[0].Title == null)
{
for (var i = 0; i < Chapters[0].Sections.Count; i++)
{
builder.AppendLine($"""
<li>
<a href="{Chapters[0].Sections[i].Id}.xhtml#s_{Chapters[0].Sections[i].Id}_p0">{Chapters[0].Sections[i].Title}</a>
</li>
""");
}
}
else
{
for (var i = 0; i < Chapters.Count; i++)
{
builder.AppendLine($"""
<li>
<span>{Chapters[i].Title}</span>
<ol>
""");
for (var j = 0; j < Chapters[i].Sections.Count; j++)
{
builder.AppendLine($"""
<li>
<a href="{Chapters[i].Sections[j].Id}.xhtml#s_{Chapters[i].Sections[j].Id}_p0">{Chapters[i].Sections[j].Title}</a>
</li>
""");
}
builder.AppendLine($"""
</ol>
</li>
""");
}
}
builder.AppendLine($"""
</ol>
</nav>
</body>
</html>
""");
return builder.ToString();
}

public string CreateCssText()
{
var builder = new StringBuilder();
foreach (var cssClass in CssClasses)
{
builder.AppendLine(cssClass.Text);
}
return builder.ToString();
}

public string CreateOpf()
{
var builder = new StringBuilder($"""
<package unique-identifier="pub-id" version="3.0" xmlns="http://www.idpf.org/2007/opf">
<metadata xmlns:dc="http://purl.org/dc/elements/1.1/">
<dc:title id="title">{Title}</dc:title>
<dc:creator id="creator">{Author}</dc:creator>
<meta refines="#creator" property="role" scheme="marc:relators">aut</meta>
<dc:identifier id="pub-id">urn:uuid:{Guid.NewGuid()}</dc:identifier>
<dc:language>ja</dc:language>
<dc:date>{DateTime.UtcNow.ToString("yyyy-MM-ddTHH:mm:ssZ", CultureInfo.InvariantCulture)}</dc:date>
<meta property="dcterms:modified">{DateTime.UtcNow.ToString("yyyy-MM-ddTHH:mm:ssZ", CultureInfo.InvariantCulture)}</meta>
<meta property="media:active-class">-epub-media-overlay-active</meta>
<meta property="media:playback-active-class">-epub-media-overlay-unactive</meta>

""");

var totalTime = TimeSpan.Zero;
for (var i = 0; i < Chapters.Count; i++)
{
for (var j = 0; j < Chapters[i].Sections.Count; j++)
{
var time = Chapters[i].Sections[j].GetTotalTime();
totalTime += time;
builder.AppendLine($"""
<meta property="media:duration" refines="#smil_{i}_{j}">{time}</meta>
""");
}
}
builder.AppendLine($"""
<meta property="media:duration">{totalTime}</meta>
</metadata>
<manifest>
<item id="css" media-type="text/css" href="style.css"/>
<item id="cover" href="{Path.GetFileName(CoverFilePath)}" properties="cover-image" media-type="{EpubCreateHelper.GetImagesMediaType(CoverFilePath)}" />
<item id="nav" href="nav.xhtml" properties="nav" media-type="application/xhtml+xml" />
""");

for (var i = 0; i < Chapters.Count; i++)
{
for (var j = 0; j < Chapters[i].Sections.Count; j++)
{
builder.AppendLine($"""
<item id="section_{i}_{j}" href="{Chapters[i].Sections[j].Id}.xhtml" media-type="application/xhtml+xml" media-overlay="smil_{i}_{j}" />
<item id="smil_{i}_{j}" href="{Chapters[i].Sections[j].Id}_audio.smil" media-type="application/smil+xml" />
""");
for (var k = 0; k < Chapters[i].Sections[j].Elements.Count; k++)
{
var element = Chapters[i].Sections[j].Elements[k];
if (element is Paragraph para && para.Audio != null)
{
builder.AppendLine(@$" <item id=""audio_{i}_{j}_{k}"" href=""{Chapters[i].Sections[j].Id}_p{k}.mp3"" media-type=""audio/mpeg"" />");
}
else if (element is Picture pic && File.Exists(pic.PictureFilePath))
{
builder.AppendLine(@$" <item id=""img_{i}_{j}_{k}"" href=""{Chapters[i].Sections[j].Id}_p{k}{Path.GetExtension(pic.PictureFilePath)}"" media-type=""{EpubCreateHelper.GetImagesMediaType(pic.PictureFilePath)}"" />");
}
}
}
}

builder.AppendLine($"""
</manifest>
<spine page-progression-direction="ltr">
""");

for (var i = 0; i < Chapters.Count; i++)
{
for (var j = 0; j < Chapters[i].Sections.Count; j++)
{
builder.AppendLine($"""
<itemref idref="section_{i}_{j}" id="itemref_{i}_{j}" />
""");
}
}

builder.AppendLine($"""
</spine>
</package>
""");
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 (var i = 0; i < Chapters.Count; i++)
{
for (var 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;
}
}
}
67 changes: 0 additions & 67 deletions Epub/KoeBook.Epub/Models/Section.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -8,73 +8,6 @@ public sealed class Section(string title)
public string Title { get; set; } = title;
public List<Element> Elements { get; set; } = [];

public string CreateSectionXhtml()
{
var builder = new StringBuilder($"""
<?xml version="1.0" encoding="UTF-8"?>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="ja" lang="ja">
<head>
<link rel="stylesheet" type="text/css" media="all" href="style.css"/>
<title>{Title}</title>
</head>
<body>
""");

for (var i = 0; i < Elements.Count; i++)
{
if (Elements[i] is Paragraph para)
{
builder.AppendLine($"""
<p id="s_{Id}_p{i}" {(para.ClassName != null ? $"class=\"{para.ClassName}\"" : "")}>
{para.Text}
</p>
""");
}
else if (Elements[i] is Picture pic && File.Exists(pic.PictureFilePath))
{
builder.AppendLine($"""
<p id="s_{Id}_p{i}" {(pic.ClassName != null ? $"class=\"{pic.ClassName}\"" : "")}>
<img src="{Path.GetFileName(pic.PictureFilePath)}"
</p>
""");
}
}

builder.AppendLine("""
</body>
</html>
""");
return builder.ToString();
}

public string CreateSectionSmil()
{
var builder = new StringBuilder($"""
<?xml version="1.0" encoding="UTF-8"?>
<smil xmlns="http://www.w3.org/ns/SMIL" version="3.0">
<body>
""");

for (var i = 0; i < Elements.Count; i++)
{
if (Elements[i] is Paragraph para && para.Audio != null)
{
builder.AppendLine($"""
<par id="s_{Id}_p{i}_audio" {(para.ClassName != null ? $"class=\"{para.ClassName}\"" : "")}>
<text src="{Id}.xhtml#s_{Id}_p{i}" />
<audio clipBegin="0s" clipEnd="{para.Audio?.TotalTime}" src="{Id}_p{i}.mp3"/>
</par>
""");
}
}

builder.AppendLine("""
</body>
</smil>
""");
return builder.ToString();
}

public TimeSpan GetTotalTime()
{
var time = TimeSpan.Zero;
Expand Down
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