webapp/bookstack
1
0
Fork 0
mirror of https://github.com/BookStackApp/BookStack.git synced 2025-08-06 12:02:45 +03:00
Code Activity

Added page HTML export

Browse Source
This commit is contained in:
Dan Brown
2016-01-20 22:13:13 +00:00
parent 7bcd967fd9
commit ea2e16cabb
12 changed files with 263 additions and 121 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
app/Http/Controllers/PageController.php
View File

@@ -3,6 +3,7 @@
namespace BookStack\Http\Controllers;
use Activity;
use BookStack\Services\ExportService;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
@@ -18,18 +19,21 @@ class PageController extends Controller
protected $pageRepo;
protected $bookRepo;
protected $chapterRepo;
protected $exportService;
/**
* PageController constructor.
* @param PageRepo $pageRepo
* @param BookRepo $bookRepo
* @param ChapterRepo $chapterRepo
* @param PageRepo $pageRepo
* @param BookRepo $bookRepo
* @param ChapterRepo $chapterRepo
* @param ExportService $exportService
*/
public function __construct(PageRepo $pageRepo, BookRepo $bookRepo, ChapterRepo $chapterRepo)
public function __construct(PageRepo $pageRepo, BookRepo $bookRepo, ChapterRepo $chapterRepo, ExportService $exportService)
{
$this->pageRepo = $pageRepo;
$this->bookRepo = $bookRepo;
$this->chapterRepo = $chapterRepo;
$this->exportService = $exportService;
parent::__construct();
}
@@ -221,4 +225,30 @@ class PageController extends Controller
Activity::add($page, 'page_restore', $book->id);
return redirect($page->getUrl());
}
public function exportPdf($bookSlug, $pageSlug)
{
$book = $this->bookRepo->getBySlug($bookSlug);
$page = $this->pageRepo->getBySlug($pageSlug, $book->id);
$cssContent = file_get_contents(public_path('/css/styles.css'));
return $pdf->download($pageSlug . '.pdf');
}
/**
* Export a page to a self-contained HTML file.
* @param $bookSlug
* @param $pageSlug
* @return \Illuminate\Http\Response
*/
public function exportHtml($bookSlug, $pageSlug)
{
$book = $this->bookRepo->getBySlug($bookSlug);
$page = $this->pageRepo->getBySlug($pageSlug, $book->id);
$containedHtml = $this->exportService->pageToContainedHtml($page);
return response()->make($containedHtml, 200, [
'Content-Type' => 'application/octet-stream',
'Content-Disposition' => 'attachment; filename="'.$pageSlug.'.html'
]);
}
}

5
app/Http/routes.php
View File

@@ -18,17 +18,18 @@ Route::group(['middleware' => 'auth'], function () {
Route::get('/{bookSlug}/sort', 'BookController@sort');
Route::put('/{bookSlug}/sort', 'BookController@saveSort');
// Pages
Route::get('/{bookSlug}/page/create', 'PageController@create');
Route::post('/{bookSlug}/page', 'PageController@store');
Route::get('/{bookSlug}/page/{pageSlug}', 'PageController@show');
Route::get('/{bookSlug}/page/{pageSlug}/export/pdf', 'PageController@exportPdf');
Route::get('/{bookSlug}/page/{pageSlug}/export/html', 'PageController@exportHtml');
Route::get('/{bookSlug}/page/{pageSlug}/edit', 'PageController@edit');
Route::get('/{bookSlug}/page/{pageSlug}/delete', 'PageController@showDelete');
Route::put('/{bookSlug}/page/{pageSlug}', 'PageController@update');
Route::delete('/{bookSlug}/page/{pageSlug}', 'PageController@destroy');
//Revisions
// Revisions
Route::get('/{bookSlug}/page/{pageSlug}/revisions', 'PageController@showRevisions');
Route::get('/{bookSlug}/page/{pageSlug}/revisions/{revId}', 'PageController@showRevision');
Route::get('/{bookSlug}/page/{pageSlug}/revisions/{revId}/restore', 'PageController@restoreRevision');

61
app/Services/ExportService.php Normal file
View File

@@ -0,0 +1,61 @@
<?php namespace BookStack\Services;
use BookStack\Page;
class ExportService
{
/**
* Convert a page to a self-contained HTML file.
* Includes required CSS & image content. Images are base64 encoded into the HTML.
* @param Page $page
* @return mixed|string
*/
public function pageToContainedHtml(Page $page)
{
$cssContent = file_get_contents(public_path('/css/export-styles.css'));
$pageHtml = view('pages/pdf', ['page' => $page, 'css' => $cssContent])->render();
$imageTagsOutput = [];
preg_match_all("/\<img.*src\=(\'|\")(.*?)(\'|\").*?\>/i", $pageHtml, $imageTagsOutput);
// Replace image src with base64 encoded image strings
if (isset($imageTagsOutput[0]) && count($imageTagsOutput[0]) > 0) {
foreach ($imageTagsOutput[0] as $index => $imgMatch) {
$oldImgString = $imgMatch;
$srcString = $imageTagsOutput[2][$index];
if (strpos(trim($srcString), 'http') !== 0) {
$pathString = public_path($srcString);
} else {
$pathString = $srcString;
}
$imageContent = file_get_contents($pathString);
$imageEncoded = 'data:image/' . pathinfo($pathString, PATHINFO_EXTENSION) . ';base64,' . base64_encode($imageContent);
$newImageString = str_replace($srcString, $imageEncoded, $oldImgString);
$pageHtml = str_replace($oldImgString, $newImageString, $pageHtml);
}
}
$linksOutput = [];
preg_match_all("/\<a.*href\=(\'|\")(.*?)(\'|\").*?\>/i", $pageHtml, $linksOutput);
// Replace image src with base64 encoded image strings
if (isset($linksOutput[0]) && count($linksOutput[0]) > 0) {
foreach ($linksOutput[0] as $index => $linkMatch) {
$oldLinkString = $linkMatch;
$srcString = $linksOutput[2][$index];
if (strpos(trim($srcString), 'http') !== 0) {
$newSrcString = url($srcString);
$newLinkString = str_replace($srcString, $newSrcString, $oldLinkString);
$pageHtml = str_replace($oldLinkString, $newLinkString, $pageHtml);
}
}
}
// Replace any relative links with system domain
return $pageHtml;
}
}