X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/eded8abdedf71ce6fca552a310e04d0cbe9c3827..refs/pull/957/head:/app/Services/ExportService.php diff --git a/app/Services/ExportService.php b/app/Services/ExportService.php index 3ac698718..01e87f167 100644 --- a/app/Services/ExportService.php +++ b/app/Services/ExportService.php @@ -1,6 +1,7 @@ entityRepo = $entityRepo; + $this->imageService = $imageService; } /** @@ -23,20 +26,41 @@ class ExportService * Includes required CSS & image content. Images are base64 encoded into the HTML. * @param Page $page * @return mixed|string + * @throws \Throwable */ public function pageToContainedHtml(Page $page) { + $this->entityRepo->renderPage($page); $pageHtml = view('pages/export', [ - 'page' => $page, - 'pageContent' => $this->entityRepo->renderPage($page) + 'page' => $page ])->render(); return $this->containHtml($pageHtml); } + /** + * Convert a chapter to a self-contained HTML file. + * @param Chapter $chapter + * @return mixed|string + * @throws \Throwable + */ + public function chapterToContainedHtml(Chapter $chapter) + { + $pages = $this->entityRepo->getChapterChildren($chapter); + $pages->each(function ($page) { + $page->html = $this->entityRepo->renderPage($page); + }); + $html = view('chapters/export', [ + 'chapter' => $chapter, + 'pages' => $pages + ])->render(); + return $this->containHtml($html); + } + /** * Convert a book to a self-contained HTML file. * @param Book $book * @return mixed|string + * @throws \Throwable */ public function bookToContainedHtml(Book $book) { @@ -52,12 +76,32 @@ class ExportService * Convert a page to a PDF file. * @param Page $page * @return mixed|string + * @throws \Throwable */ public function pageToPdf(Page $page) { + $this->entityRepo->renderPage($page); $html = view('pages/pdf', [ - 'page' => $page, - 'pageContent' => $this->entityRepo->renderPage($page) + 'page' => $page + ])->render(); + return $this->htmlToPdf($html); + } + + /** + * Convert a chapter to a PDF file. + * @param Chapter $chapter + * @return mixed|string + * @throws \Throwable + */ + public function chapterToPdf(Chapter $chapter) + { + $pages = $this->entityRepo->getChapterChildren($chapter); + $pages->each(function ($page) { + $page->html = $this->entityRepo->renderPage($page); + }); + $html = view('chapters/export', [ + 'chapter' => $chapter, + 'pages' => $pages ])->render(); return $this->htmlToPdf($html); } @@ -66,6 +110,7 @@ class ExportService * Convert a book to a PDF file * @param Book $book * @return string + * @throws \Throwable */ public function bookToPdf(Book $book) { @@ -81,6 +126,7 @@ class ExportService * Convert normal webpage HTML to a PDF. * @param $html * @return string + * @throws \Exception */ protected function htmlToPdf($html) { @@ -90,7 +136,7 @@ class ExportService $pdf = \SnappyPDF::loadHTML($containedHtml); $pdf->setOption('print-media-type', true); } else { - $pdf = \PDF::loadHTML($containedHtml); + $pdf = \DomPDF::loadHTML($containedHtml); } return $pdf->output(); } @@ -99,6 +145,7 @@ class ExportService * Bundle of the contents of a html file to be self-contained. * @param $htmlContent * @return mixed|string + * @throws \Exception */ protected function containHtml($htmlContent) { @@ -108,23 +155,14 @@ class ExportService // Replace image src with base64 encoded image strings if (isset($imageTagsOutput[0]) && count($imageTagsOutput[0]) > 0) { foreach ($imageTagsOutput[0] as $index => $imgMatch) { - $oldImgString = $imgMatch; + $oldImgTagString = $imgMatch; $srcString = $imageTagsOutput[2][$index]; - $isLocal = strpos(trim($srcString), 'http') !== 0; - if ($isLocal) { - $pathString = public_path(trim($srcString, '/')); - } else { - $pathString = $srcString; - } - if ($isLocal && !file_exists($pathString)) continue; - try { - $imageContent = file_get_contents($pathString); - $imageEncoded = 'data:image/' . pathinfo($pathString, PATHINFO_EXTENSION) . ';base64,' . base64_encode($imageContent); - $newImageString = str_replace($srcString, $imageEncoded, $oldImgString); - } catch (\ErrorException $e) { - $newImageString = ''; + $imageEncoded = $this->imageService->imageUriToBase64($srcString); + if ($imageEncoded === null) { + $imageEncoded = $srcString; } - $htmlContent = str_replace($oldImgString, $newImageString, $htmlContent); + $newImgTagString = str_replace($srcString, $imageEncoded, $oldImgTagString); + $htmlContent = str_replace($oldImgTagString, $newImgTagString, $htmlContent); } } @@ -168,6 +206,21 @@ class ExportService return $text; } + /** + * Convert a chapter into a plain text string. + * @param Chapter $chapter + * @return string + */ + public function chapterToPlainText(Chapter $chapter) + { + $text = $chapter->name . "\n\n"; + $text .= $chapter->description . "\n\n"; + foreach ($chapter->pages as $page) { + $text .= $this->pageToPlainText($page); + } + return $text; + } + /** * Convert a book into a plain text string. * @param Book $book @@ -179,28 +232,11 @@ class ExportService $text = $book->name . "\n\n"; foreach ($bookTree as $bookChild) { if ($bookChild->isA('chapter')) { - $text .= $bookChild->name . "\n\n"; - $text .= $bookChild->description . "\n\n"; - foreach ($bookChild->pages as $page) { - $text .= $this->pageToPlainText($page); - } + $text .= $this->chapterToPlainText($bookChild); } else { $text .= $this->pageToPlainText($bookChild); } } return $text; } - } - - - - - - - - - - - -