diff --git a/src/api/src/create_book.py b/src/api/src/create_book.py index 0934b62..93356a6 100644 --- a/src/api/src/create_book.py +++ b/src/api/src/create_book.py @@ -269,93 +269,97 @@ async def fetch_cover(url: str) -> bytes: # --- EPUB Generation --- # -def set_metadata(book: EpubBook, data: Story) -> None: - """Set book metadata.""" - book.add_author(data["user"]["username"]) +class EPUBGenerator: + def __init__(self, epub: EpubBook, data: Story): + self.epub = epub + self.data = data - book.add_metadata("DC", "title", data["title"]) - book.add_metadata("DC", "description", data["description"]) - book.add_metadata("DC", "date", data["createDate"]) - book.add_metadata("DC", "modified", data["modifyDate"]) - book.add_metadata("DC", "language", data["language"]["name"]) + # set metadata + self.epub.add_author(data["user"]["username"]) - book.add_metadata( - None, "meta", "", {"name": "tags", "content": ", ".join(data["tags"])} - ) - book.add_metadata( - None, "meta", "", {"name": "mature", "content": str(int(data["mature"]))} - ) - book.add_metadata( - None, "meta", "", {"name": "completed", "content": str(int(data["completed"]))} - ) + self.epub.add_metadata("DC", "title", data["title"]) + self.epub.add_metadata("DC", "description", data["description"]) + self.epub.add_metadata("DC", "date", data["createDate"]) + self.epub.add_metadata("DC", "modified", data["modifyDate"]) + self.epub.add_metadata("DC", "language", data["language"]["name"]) - -async def set_cover(book: EpubBook, data: Story) -> None: - """Set book cover.""" - book.set_cover("cover.jpg", await fetch_cover(data["cover"])) - chapter = epub.EpubHtml( - file_name="titlepage.xhtml", # Standard for cover page - ) - chapter.set_content('') - - -async def add_chapters( - book: EpubBook, - data: Story, - download_images: bool = False, - cookies: Optional[dict] = None, -): - chapters = [] - - for cidx, part in enumerate(data["parts"]): - content = await fetch_part_content(part["id"], cookies=cookies) - title = part["title"] - - # Thanks https://eu17.proxysite.com/process.php?d=5VyWYcoQl%2BVF0BYOuOavtvjOloFUZz2BJ%2Fepiusk6Nz7PV%2B9i8rs7cFviGftrBNll%2B0a3qO7UiDkTt4qwCa0fDES&b=1 - chapter = epub.EpubHtml( - title=title, - file_name=f"{cidx}.xhtml", # Used to be clean_title.xhtml, but that broke Arabic support as slugify turns arabic strings into '', leading to multiple files with the same name, breaking those chapters. - lang=data["language"]["name"], + self.epub.add_metadata( + None, "meta", "", {"name": "tags", "content": ", ".join(data["tags"])} + ) + self.epub.add_metadata( + None, "meta", "", {"name": "mature", "content": str(int(data["mature"]))} + ) + self.epub.add_metadata( + None, + "meta", + "", + {"name": "completed", "content": str(int(data["completed"]))}, ) - if download_images: - soup = BeautifulSoup(content, "lxml") + async def set_cover(self) -> None: + """Set book cover.""" + self.epub.set_cover("cover.jpg", await fetch_cover(self.data["cover"])) + chapter = epub.EpubHtml( + file_name="titlepage.xhtml", # Standard for cover page + ) + chapter.set_content('') - async with CachedSession( - headers=headers, cache=None - ) as session: # Don't cache images. - for idx, image in enumerate(soup.find_all("img")): - if not image["src"]: - continue - # Find all image tags and filter for those with sources + async def add_chapters( + self, + download_images: bool = False, + cookies: Optional[dict] = None, + ): + chapters = [] - async with session.get(image["src"]) as response: - img = epub.EpubImage( - media_type="image/jpeg", - content=await response.read(), - file_name=f"static/{cidx}/{idx}.jpeg", - ) - book.add_item(img) - # Fetch image and pack + for cidx, part in enumerate(self.data["parts"]): + content = await fetch_part_content(part["id"], cookies=cookies) + title = part["title"] - content = content.replace( - str(image["src"]), f"static/{cidx}/{idx}.jpeg" - ) + # Thanks https://eu17.proxysite.com/process.php?d=5VyWYcoQl%2BVF0BYOuOavtvjOloFUZz2BJ%2Fepiusk6Nz7PV%2B9i8rs7cFviGftrBNll%2B0a3qO7UiDkTt4qwCa0fDES&b=1 + chapter = epub.EpubHtml( + title=title, + file_name=f"{cidx}.xhtml", # Used to be clean_title.xhtml, but that broke Arabic support as slugify turns arabic strings into '', leading to multiple files with the same name, breaking those chapters. + lang=self.data["language"]["name"], + ) - chapter.set_content(f"

{title}

" + content) + if download_images: + soup = BeautifulSoup(content, "lxml") - chapters.append(chapter) + async with CachedSession( + headers=headers, cache=None + ) as session: # Don't cache images. + for idx, image in enumerate(soup.find_all("img")): + if not image["src"]: + continue + # Find all image tags and filter for those with sources - yield title # Yield the chapter's title upon insertion preceeded by retrieval. + async with session.get(image["src"]) as response: + img = epub.EpubImage( + media_type="image/jpeg", + content=await response.read(), + file_name=f"static/{cidx}/{idx}.jpeg", + ) + self.epub.add_item(img) + # Fetch image and pack - for chapter in chapters: - book.add_item(chapter) + content = content.replace( + str(image["src"]), f"static/{cidx}/{idx}.jpeg" + ) - book.toc = chapters + chapter.set_content(f"

{title}

" + content) - # Thanks https://github.com/aerkalov/ebooklib/blob/master/samples/09_create_image/create.py - book.add_item(epub.EpubNcx()) - book.add_item(epub.EpubNav()) + chapters.append(chapter) - # create spine - book.spine = ["nav"] + chapters + yield title # Yield the chapter's title upon insertion preceeded by retrieval. + + for chapter in chapters: + self.epub.add_item(chapter) + + self.epub.toc = chapters + + # Thanks https://github.com/aerkalov/ebooklib/blob/master/samples/09_create_image/create.py + self.epub.add_item(epub.EpubNcx()) + self.epub.add_item(epub.EpubNav()) + + # create spine + self.epub.spine = ["nav"] + chapters diff --git a/src/api/src/main.py b/src/api/src/main.py index ac5be01..c4d1824 100644 --- a/src/api/src/main.py +++ b/src/api/src/main.py @@ -14,9 +14,7 @@ from fastapi.staticfiles import StaticFiles from ebooklib import epub from create_book import ( retrieve_story, - set_cover, - set_metadata, - add_chapters, + EPUBGenerator, slugify, wp_get_cookies, fetch_story_from_partId, @@ -69,6 +67,11 @@ class RequestCancelledMiddleware: app.add_middleware(RequestCancelledMiddleware) +class DownloadFormat(Enum): + pdf = "pdf" + epub = "epub" + + class DownloadMode(Enum): story = "story" part = "part" @@ -106,6 +109,7 @@ async def handle_download( download_id: int, download_images: bool = False, mode: DownloadMode = DownloadMode.story, + format: DownloadFormat = DownloadFormat.epub, username: Optional[str] = None, password: Optional[str] = None, ): @@ -146,33 +150,37 @@ async def handle_download( logger.info(f"Retrieved story id ({story_id=})") - book = epub.EpubBook() - set_metadata(book, metadata) - await set_cover(book, metadata) + match format: + case DownloadFormat.epub: + book = EPUBGenerator(epub.EpubBook(), metadata) + await book.set_cover() - async for title in add_chapters( - book, metadata, download_images=download_images, cookies=cookies - ): - ... + async for title in book.add_chapters( + download_images=download_images, cookies=cookies + ): + ... - # Book is compiled - temp_file = tempfile.NamedTemporaryFile( - suffix=".epub", delete=True - ) # Thanks https://stackoverflow.com/a/75398222 + # Book is compiled + temp_file = tempfile.NamedTemporaryFile( + suffix=".epub", delete=True + ) # Thanks https://stackoverflow.com/a/75398222 - # create epub file - epub.write_epub(temp_file, book, {}) + # create epub file + epub.write_epub(temp_file, book.epub, {}) - temp_file.file.seek(0) - book_data = temp_file.file.read() + temp_file.file.seek(0) + book_data = temp_file.file.read() - return StreamingResponse( - BytesIO(book_data), - media_type="application/epub+zip", - headers={ - "Content-Disposition": f'attachment; filename="{slugify(metadata["title"])}_{story_id}{"_images" if download_images else ""}.epub"' # Thanks https://stackoverflow.com/a/72729058 - }, - ) + return StreamingResponse( + BytesIO(book_data), + media_type="application/epub+zip", + headers={ + "Content-Disposition": f'attachment; filename="{slugify(metadata["title"])}_{story_id}{"_images" if download_images else ""}.epub"' # Thanks https://stackoverflow.com/a/72729058 + }, + ) + + case DownloadFormat.pdf: + ... app.mount("/", StaticFiles(directory=BUILD_PATH), "static")