add missing icon, fix name conventions

[bookstack] / app / Services / ExportService.php

diff --git a/app/Services/ExportService.php b/app/Services/ExportService.php
index 50ba75c17a93a22f7dc8b16d7820fed26338e24d..ada2261e454455a6a4f81d2e8896bf619caf9210 100644 (file)
--- a/app/Services/ExportService.php
+++ b/app/Services/ExportService.php
@@ -1,10 +1,24 @@
 <?php namespace BookStack\Services;
 
 <?php namespace BookStack\Services;
 

+use BookStack\Book;
+use BookStack\Chapter;

 use BookStack\Page;
 use BookStack\Page;

+use BookStack\Repos\EntityRepo;

 
 class ExportService
 {
 
 
 class ExportService
 {
 

+    protected $entityRepo;
+
+    /**
+     * ExportService constructor.
+     * @param $entityRepo
+     */
+    public function __construct(EntityRepo $entityRepo)
+    {
+        $this->entityRepo = $entityRepo;
+    }
+

     /**
      * Convert a page to a self-contained HTML file.
      * Includes required CSS & image content. Images are base64 encoded into the HTML.
     /**
      * Convert a page to a self-contained HTML file.
      * Includes required CSS & image content. Images are base64 encoded into the HTML.


@@ -13,26 +27,107 @@ class ExportService
      */
     public function pageToContainedHtml(Page $page)
     {
      */
     public function pageToContainedHtml(Page $page)
     {

-        $cssContent = file_get_contents(public_path('/css/export-styles.css'));
-        $pageHtml = view('pages/export', ['page' => $page, 'css' => $cssContent])->render();
+        $this->entityRepo->renderPage($page);
+        $pageHtml = view('pages/export', [
+            'page' => $page
+        ])->render();

         return $this->containHtml($pageHtml);
     }
 
     /**
         return $this->containHtml($pageHtml);
     }
 
     /**

-     * Convert a page to a pdf file.
+     * Convert a chapter to a self-contained HTML file.
+     * @param Chapter $chapter
+     * @return mixed|string
+     */
+    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
+     */
+    public function bookToContainedHtml(Book $book)
+    {
+        $bookTree = $this->entityRepo->getBookChildren($book, true, true);
+        $html = view('books/export', [
+            'book' => $book,
+            'bookChildren' => $bookTree
+        ])->render();
+        return $this->containHtml($html);
+    }
+
+    /**
+     * Convert a page to a PDF file.

      * @param Page $page
      * @return mixed|string
      */
     public function pageToPdf(Page $page)
     {
      * @param Page $page
      * @return mixed|string
      */
     public function pageToPdf(Page $page)
     {

-        $cssContent = file_get_contents(public_path('/css/export-styles.css'));
-        $pageHtml = view('pages/pdf', ['page' => $page, 'css' => $cssContent])->render();
+        $this->entityRepo->renderPage($page);
+        $html = view('pages/pdf', [
+            'page' => $page
+        ])->render();
+        return $this->htmlToPdf($html);
+    }
+
+    /**
+     * Convert a chapter to a PDF file.
+     * @param Chapter $chapter
+     * @return mixed|string
+     */
+    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);
+    }
+
+    /**
+     * Convert a book to a PDF file
+     * @param Book $book
+     * @return string
+     */
+    public function bookToPdf(Book $book)
+    {
+        $bookTree = $this->entityRepo->getBookChildren($book, true, true);
+        $html = view('books/export', [
+            'book' => $book,
+            'bookChildren' => $bookTree
+        ])->render();
+        return $this->htmlToPdf($html);
+    }
+
+    /**
+     * Convert normal webpage HTML to a PDF.
+     * @param $html
+     * @return string
+     */
+    protected function htmlToPdf($html)
+    {
+        $containedHtml = $this->containHtml($html);

         $useWKHTML = config('snappy.pdf.binary') !== false;
         $useWKHTML = config('snappy.pdf.binary') !== false;

-        $containedHtml = $this->containHtml($pageHtml);

         if ($useWKHTML) {
             $pdf = \SnappyPDF::loadHTML($containedHtml);
         if ($useWKHTML) {
             $pdf = \SnappyPDF::loadHTML($containedHtml);

+            $pdf->setOption('print-media-type', true);

         } else {
         } else {

-            $pdf = \PDF::loadHTML($containedHtml);
+            $pdf = \DomPDF::loadHTML($containedHtml);

         }
         return $pdf->output();
     }
         }
         return $pdf->output();
     }


@@ -41,6 +136,7 @@ class ExportService
      * Bundle of the contents of a html file to be self-contained.
      * @param $htmlContent
      * @return mixed|string
      * Bundle of the contents of a html file to be self-contained.
      * @param $htmlContent
      * @return mixed|string

+     * @throws \Exception

      */
     protected function containHtml($htmlContent)
     {
      */
     protected function containHtml($htmlContent)
     {


@@ -58,10 +154,36 @@ class ExportService
                 } else {
                     $pathString = $srcString;
                 }
                 } else {
                     $pathString = $srcString;
                 }

-                if ($isLocal && !file_exists($pathString)) continue;
-                $imageContent = file_get_contents($pathString);
-                $imageEncoded = 'data:image/' . pathinfo($pathString, PATHINFO_EXTENSION) . ';base64,' . base64_encode($imageContent);
-                $newImageString = str_replace($srcString, $imageEncoded, $oldImgString);
+
+                // Attempt to find local files even if url not absolute
+                $base = baseUrl('/');
+                if (strpos($srcString, $base) === 0) {
+                    $isLocal = true;
+                    $relString = str_replace($base, '', $srcString);
+                    $pathString = public_path(trim($relString, '/'));
+                }
+
+                if ($isLocal && !file_exists($pathString)) {
+                    continue;
+                }
+                try {
+                    if ($isLocal) {
+                        $imageContent = file_get_contents($pathString);
+                    } else {
+                        $ch = curl_init();
+                        curl_setopt_array($ch, [CURLOPT_URL => $pathString, CURLOPT_RETURNTRANSFER => 1, CURLOPT_CONNECTTIMEOUT => 5]);
+                        $imageContent = curl_exec($ch);
+                        $err = curl_error($ch);
+                        curl_close($ch);
+                        if ($err) {
+                            throw new \Exception("Image fetch failed, Received error: " . $err);
+                        }
+                    }
+                    $imageEncoded = 'data:image/' . pathinfo($pathString, PATHINFO_EXTENSION) . ';base64,' . base64_encode($imageContent);
+                    $newImageString = str_replace($srcString, $imageEncoded, $oldImgString);
+                } catch (\ErrorException $e) {
+                    $newImageString = '';
+                }

                 $htmlContent = str_replace($oldImgString, $newImageString, $htmlContent);
             }
         }
                 $htmlContent = str_replace($oldImgString, $newImageString, $htmlContent);
             }
         }


@@ -88,14 +210,14 @@ class ExportService
 
     /**
      * Converts the page contents into simple plain text.
 
     /**
      * Converts the page contents into simple plain text.

-     * This method filters any bad looking content to
-     * provide a nice final output.
+     * This method filters any bad looking content to provide a nice final output.

      * @param Page $page
      * @return mixed
      */
     public function pageToPlainText(Page $page)
     {
      * @param Page $page
      * @return mixed
      */
     public function pageToPlainText(Page $page)
     {

-        $text = $page->text;
+        $html = $this->entityRepo->renderPage($page);
+        $text = strip_tags($html);

         // Replace multiple spaces with single spaces
         $text = preg_replace('/\ {2,}/', ' ', $text);
         // Reduce multiple horrid whitespace characters.
         // Replace multiple spaces with single spaces
         $text = preg_replace('/\ {2,}/', ' ', $text);
         // Reduce multiple horrid whitespace characters.


@@ -106,16 +228,37 @@ class ExportService
         return $text;
     }
 
         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
+     * @return string
+     */
+    public function bookToPlainText(Book $book)
+    {
+        $bookTree = $this->entityRepo->getBookChildren($book, true, true);
+        $text = $book->name . "\n\n";
+        foreach ($bookTree as $bookChild) {
+            if ($bookChild->isA('chapter')) {
+                $text .= $this->chapterToPlainText($bookChild);
+            } else {
+                $text .= $this->pageToPlainText($bookChild);
+            }
+        }
+        return $text;
+    }
+}