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cbz import & export

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nyne
2024-10-28 22:59:35 +08:00
parent 78c527aa2b
commit 0308e68a44
10 changed files with 319 additions and 17 deletions
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24
assets/translation.json
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@@ -132,7 +132,17 @@
"Failed to import": "导入失败",
"Cache Limit": "缓存限制",
"Set Cache Limit": "设置缓存限制",
"Size in MB": "大小（MB）"
"Size in MB": "大小（MB）",
"Select a directory which contains the comic directories." : "选择一个包含漫画文件夹的目录",
"Help": "帮助",
"A directory is considered as a comic only if it matches one of the following conditions:" : "只有当目录满足以下条件之一时，才被视为漫画：",
"1. The directory only contains image files." : "1. 目录只包含图片文件。",
"2. The directory contains directories which contain image files. Each directory is considered as a chapter." : "2. 目录包含多个包含图片文件的目录。每个目录被视为一个章节。",
"If the directory contains a file named 'cover.*', it will be used as the cover image. Otherwise the first image will be used." : "如果目录包含一个名为'cover.*'的文件，它将被用作封面图片。否则将使用第一张图片。",
"The directory name will be used as the comic title. And the name of chapter directories will be used as the chapter titles." : "目录名称将被用作漫画标题。章节目录的名称将被用作章节标题。",
"Export as cbz": "导出为cbz",
"Select a cbz file." : "选择一个cbz文件",
"A cbz file" : "一个cbz文件"
},
"zh_TW": {
"Home": "首頁",
@@ -267,6 +277,16 @@
"Failed to import": "匯入失敗",
"Cache Limit": "緩存限制",
"Set Cache Limit": "設置緩存限制",
"Size in MB": "大小（MB）"
"Size in MB": "大小（MB）",
"Select a directory which contains the comic directories." : "選擇一個包含漫畫文件夾的目錄",
"Help": "幫助",
"A directory is considered as a comic only if it matches one of the following conditions:" : "只有當目錄滿足以下條件之一時，才被視為漫畫：",
"1. The directory only contains image files." : "1. 目錄只包含圖片文件。",
"2. The directory contains directories which contain image files. Each directory is considered as a chapter." : "2. 目錄包含多個包含圖片文件的目錄。每個目錄被視為一個章節。",
"If the directory contains a file named 'cover.*', it will be used as the cover image. Otherwise the first image will be used." : "如果目錄包含一個名為'cover.*'的文件，它將被用作封面圖片。否則將使用第一張圖片。",
"The directory name will be used as the comic title. And the name of chapter directories will be used as the chapter titles." : "目錄名稱將被用作漫畫標題。章節目錄的名稱將被用作章節標題。",
"Export as cbz": "匯出為cbz",
"Select a cbz file." : "選擇一個cbz文件",
"A cbz file" : "一個cbz文件"
}
}

4
lib/foundation/local.dart
View File

@@ -221,7 +221,7 @@ class LocalManager with ChangeNotifier {
if (res.isEmpty) {
return '1';
}
return ((res.first[0] as int) + 1).toString();
return (int.parse((res.first[0])) + 1).toString();
}
Future<void> add(LocalComic comic, [String? id]) async {
@@ -424,7 +424,7 @@ class LocalManager with ChangeNotifier {
void deleteComic(LocalComic c) {
var dir = Directory(FilePath.join(path, c.directory));
dir.deleteSync(recursive: true);
dir.deleteIgnoreError(recursive: true);
remove(c.id, c.comicType);
notifyListeners();
}

42
lib/pages/home_page.dart
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@@ -15,6 +15,7 @@ import 'package:venera/pages/comic_source_page.dart';
import 'package:venera/pages/downloading_page.dart';
import 'package:venera/pages/history_page.dart';
import 'package:venera/pages/search_page.dart';
import 'package:venera/utils/cbz.dart';
import 'package:venera/utils/ext.dart';
import 'package:venera/utils/io.dart';
import 'package:venera/utils/translations.dart';
@@ -391,9 +392,11 @@ class _ImportComicsWidgetState extends State<_ImportComicsWidget> {
@override
Widget build(BuildContext context) {
String info = type == 0
? "Select a directory which contains the comic files.".tl
: "Select a directory which contains the comic directories.".tl;
String info = [
"Select a directory which contains the comic files.".tl,
"Select a directory which contains the comic directories.".tl,
"Select a cbz file.".tl,
][type];
return ContentDialog(
dismissible: !loading,
@@ -431,6 +434,16 @@ class _ImportComicsWidgetState extends State<_ImportComicsWidget> {
});
},
),
RadioListTile(
title: Text("A cbz file".tl),
value: 2,
groupValue: type,
onChanged: (value) {
setState(() {
type = value as int;
});
},
),
const SizedBox(height: 8),
Text(info).paddingHorizontal(24),
],
@@ -490,6 +503,21 @@ class _ImportComicsWidgetState extends State<_ImportComicsWidget> {
}
void selectAndImport() async {
if (type == 2) {
var xFile = await selectFile(ext: ['cbz']);
var controller = showLoadingDialog(context, allowCancel: false);
try {
var cache = FilePath.join(App.cachePath, xFile?.name ?? 'temp.cbz');
await xFile!.saveTo(cache);
await CBZ.import(File(cache));
await File(cache).delete();
} catch (e, s) {
Log.error("Import Comic", e.toString(), s);
context.showMessage(message: e.toString());
}
controller.close();
return;
}
height = key.currentContext!.size!.height;
setState(() {
loading = true;
@@ -583,16 +611,16 @@ class _ImportComicsWidgetState extends State<_ImportComicsWidget> {
Future<LocalComic?> checkSingleComic(Directory directory) async {
if (!(await directory.exists())) return null;
var name = directory.name;
if (LocalManager().findByName(name) != null) {
Log.info("Import Comic", "Comic already exists: $name");
return null;
}
bool hasChapters = false;
var chapters = <String>[];
var coverPath = ''; // relative path to the cover image
await for (var entry in directory.list()) {
if (entry is Directory) {
hasChapters = true;
if (LocalManager().findByName(entry.name) != null) {
Log.info("Import Comic", "Comic already exists: $name");
return null;
}
chapters.add(entry.name);
await for (var file in entry.list()) {
if (file is Directory) {

32
lib/pages/local_comics_page.dart
View File

@@ -1,7 +1,10 @@
import 'package:flutter/material.dart';
import 'package:venera/components/components.dart';
import 'package:venera/foundation/app.dart';
import 'package:venera/foundation/local.dart';
import 'package:venera/pages/downloading_page.dart';
import 'package:venera/utils/cbz.dart';
import 'package:venera/utils/io.dart';
import 'package:venera/utils/translations.dart';
class LocalComicsPage extends StatefulWidget {
@@ -60,12 +63,29 @@ class _LocalComicsPageState extends State<LocalComicsPage> {
menuBuilder: (c) {
return [
MenuEntry(
icon: Icons.delete,
text: "Delete".tl,
onClick: () {
LocalManager().deleteComic(c as LocalComic);
}
),
icon: Icons.delete,
text: "Delete".tl,
onClick: () {
LocalManager().deleteComic(c as LocalComic);
}),
MenuEntry(
icon: Icons.delete,
text: "Export as cbz".tl,
onClick: () async {
var controller = showLoadingDialog(
context,
allowCancel: false,
);
try {
var file = await CBZ.export(c as LocalComic);
await saveFile(filename: file.name, file: file);
await file.delete();
}
catch (e) {
context.showMessage(message: e.toString());
}
controller.close();
}),
];
},
),

217
lib/utils/cbz.dart Normal file
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@@ -0,0 +1,217 @@
import 'dart:convert';
import 'dart:isolate';
import 'package:venera/foundation/app.dart';
import 'package:venera/foundation/comic_type.dart';
import 'package:venera/foundation/local.dart';
import 'package:venera/utils/ext.dart';
import 'package:venera/utils/io.dart';
import 'package:zip_flutter/zip_flutter.dart';
class ComicMetaData {
final String title;
final String author;
final List<String> tags;
final List<ComicChapter>? chapters;
Map<String, dynamic> toJson() => {
'title': title,
'author': author,
'tags': tags,
'chapters': chapters?.map((e) => e.toJson()).toList()
};
ComicMetaData.fromJson(Map<String, dynamic> json)
: title = json['title'],
author = json['author'],
tags = List<String>.from(json['tags']),
chapters = json['chapters'] == null
? null
: List<ComicChapter>.from(
json['chapters'].map((e) => ComicChapter.fromJson(e)));
ComicMetaData({
required this.title,
required this.author,
required this.tags,
this.chapters,
});
}
class ComicChapter {
final String title;
final int start;
final int end;
Map<String, dynamic> toJson() => {'title': title, 'start': start, 'end': end};
ComicChapter.fromJson(Map<String, dynamic> json)
: title = json['title'],
start = json['start'],
end = json['end'];
ComicChapter({required this.title, required this.start, required this.end});
}
abstract class CBZ {
static Future<void> import(File file) async {
var cache = Directory(FilePath.join(App.cachePath, 'cbz_import'));
if (cache.existsSync()) cache.deleteSync(recursive: true);
cache.createSync();
await Isolate.run(() => ZipFile.openAndExtract(file.path, cache.path));
var metaDataFile = File(FilePath.join(cache.path, 'metadata.json'));
ComicMetaData? metaData;
if (metaDataFile.existsSync()) {
try {
metaData =
ComicMetaData.fromJson(jsonDecode(metaDataFile.readAsStringSync()));
} catch (_) {}
}
metaData ??= ComicMetaData(
title: file.name.replaceLast('.cbz', ''),
author: "",
tags: [],
);
var old = LocalManager().findByName(metaData.title);
if (old != null) {
throw Exception('Comic with name ${metaData.title} already exists');
}
var files = cache.listSync().whereType<File>().toList();
files.removeWhere((e) {
var ext = e.path.split('.').last;
return !['jpg', 'jpeg', 'png', 'webp', 'gif', 'jpe'].contains(ext);
});
files.sort((a, b) => a.path.compareTo(b.path));
var coverFile = files.firstWhereOrNull(
(element) =>
element.path.endsWith('cover.${element.path.split('.').last}'),
);
if (coverFile != null) {
files.remove(coverFile);
} else {
coverFile = files.first;
}
Map<String, String>? cpMap;
var dest = Directory(
FilePath.join(LocalManager().path, sanitizeFileName(metaData.title)),
);
dest.createSync();
coverFile.copy(
FilePath.join(dest.path, 'cover.${coverFile.path.split('.').last}'));
if (metaData.chapters == null) {
for (var i = 0; i < files.length; i++) {
var src = files[i];
var dst = File(
FilePath.join(dest.path, '${i + 1}.${src.path.split('.').last}'));
src.copy(dst.path);
}
} else {
dest.createSync();
var chapters = <String, List<File>>{};
for (var chapter in metaData.chapters!) {
chapters[chapter.title] = files.sublist(chapter.start - 1, chapter.end);
}
int i = 0;
cpMap = <String, String>{};
for (var chapter in chapters.entries) {
cpMap[i.toString()] = chapter.key;
var chapterDir = Directory(FilePath.join(dest.path, i.toString()));
chapterDir.createSync();
for (var i = 0; i < chapter.value.length; i++) {
var src = chapter.value[i];
var dst = File(FilePath.join(
chapterDir.path, '${i + 1}.${src.path.split('.').last}'));
src.copy(dst.path);
}
}
}
LocalManager().add(
LocalComic(
id: LocalManager().findValidId(ComicType.local),
title: metaData.title,
subtitle: metaData.author,
tags: metaData.tags,
comicType: ComicType.local,
directory: dest.name,
chapters: cpMap,
downloadedChapters: cpMap?.keys.toList() ?? [],
cover: 'cover.${coverFile.path.split('.').last}',
createdAt: DateTime.now(),
),
);
}
static Future<File> export(LocalComic comic) async {
var cache = Directory(FilePath.join(App.cachePath, 'cbz_export'));
if (cache.existsSync()) cache.deleteSync(recursive: true);
cache.createSync();
List<ComicChapter>? chapters;
if (comic.chapters == null) {
var images = await LocalManager().getImages(comic.id, comic.comicType, 1);
int i = 1;
for (var image in images) {
var src = File(image.replaceFirst('file://', ''));
var width = images.length.toString().length;
var dstName =
'${i.toString().padLeft(width, '0')}.${image.split('.').last}';
var dst = File(FilePath.join(cache.path, dstName));
await src.copy(dst.path);
i++;
}
} else {
chapters = [];
var allImages = <String>[];
for (var c in comic.downloadedChapters) {
var chapterName = comic.chapters![c];
var images = await LocalManager().getImages(
comic.id,
comic.comicType,
c,
);
allImages.addAll(images);
var chapter = ComicChapter(
title: chapterName!,
start: chapters.length + 1,
end: chapters.length + images.length,
);
chapters.add(chapter);
}
int i = 1;
for (var image in allImages) {
var src = File(image.replaceFirst('file://', ''));
var width = allImages.length.toString().length;
var dstName =
'${i.toString().padLeft(width, '0')}.${image.split('.').last}';
var dst = File(FilePath.join(cache.path, dstName));
await src.copy(dst.path);
i++;
}
}
var cover = comic.coverFile;
await cover
.copy(FilePath.join(cache.path, 'cover.${cover.path.split('.').last}'));
await File(FilePath.join(cache.path, 'metadata.json')).writeAsString(
jsonEncode(
ComicMetaData(
title: comic.title,
author: comic.subtitle,
tags: comic.tags,
chapters: chapters,
).toJson(),
),
);
var cbz = File(FilePath.join(App.cachePath, '${comic.title}.cbz'));
await _compress(cache.path, cbz.path);
cache.deleteSync(recursive: true);
return cbz;
}
static _compress(String src, String dst) async {
await Isolate.run(() => ZipFile.compressFolder(src, dst));
}
}

3
lib/utils/io.dart
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@@ -73,6 +73,9 @@ extension DirectoryExtension on Directory {
}
String sanitizeFileName(String fileName) {
if(fileName.endsWith('.')) {
fileName = fileName.substring(0, fileName.length - 1);
}
const maxLength = 255;
final invalidChars = RegExp(r'[<>:"/\\|?*]');
final sanitizedFileName = fileName.replaceAll(invalidChars, ' ');

1
linux/flutter/generated_plugins.cmake
View File

@@ -14,6 +14,7 @@ list(APPEND FLUTTER_PLUGIN_LIST
)
list(APPEND FLUTTER_FFI_PLUGIN_LIST
zip_flutter
)
set(PLUGIN_BUNDLED_LIBRARIES)

9
pubspec.lock
View File

@@ -839,6 +839,15 @@ packages:
url: "https://pub.dev"
source: hosted
version: "3.1.2"
zip_flutter:
dependency: "direct main"
description:
path: "."
ref: HEAD
resolved-ref: d5721f1fd8179ee4a5db59f932ae7c89d94e12a0
url: "https://github.com/wgh136/zip_flutter"
source: git
version: "0.0.1"
sdks:
dart: ">=3.5.0 <4.0.0"
flutter: ">=3.24.4"

3
pubspec.yaml
View File

@@ -51,6 +51,9 @@ dependencies:
sliver_tools: ^0.2.12
flutter_file_dialog: ^3.0.2
file_selector: ^1.0.3
zip_flutter:
git:
url: https://github.com/wgh136/zip_flutter
dev_dependencies:
flutter_test:

1
windows/flutter/generated_plugins.cmake
View File

@@ -16,6 +16,7 @@ list(APPEND FLUTTER_PLUGIN_LIST
)
list(APPEND FLUTTER_FFI_PLUGIN_LIST
zip_flutter
)
set(PLUGIN_BUNDLED_LIBRARIES)