/**
  * handle ePub
  */
 public function produceEpub()
 {
     Tools::logm('Starting to produce ePub 3 file');
     try {
         $content_start = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" . "<html xmlns=\"http://www.w3.org/1999/xhtml\" xmlns:epub=\"http://www.idpf.org/2007/ops\">\n" . "<head>" . "<meta http-equiv=\"Default-Style\" content=\"text/html; charset=utf-8\" />\n" . "<title>" . _("wallabag articles book") . "</title>\n" . "</head>\n" . "<body>\n";
         $bookEnd = "</body>\n</html>\n";
         $log = new Logger("wallabag", TRUE);
         $fileDir = CACHE;
         $book = new EPub(EPub::BOOK_VERSION_EPUB3, DEBUG_POCHE);
         $log->logLine("new EPub()");
         $log->logLine("EPub class version: " . EPub::VERSION);
         $log->logLine("EPub Req. Zip version: " . EPub::REQ_ZIP_VERSION);
         $log->logLine("Zip version: " . Zip::VERSION);
         $log->logLine("getCurrentServerURL: " . $book->getCurrentServerURL());
         $log->logLine("getCurrentPageURL..: " . $book->getCurrentPageURL());
         Tools::logm('Filling metadata for ePub...');
         $book->setTitle($this->bookTitle);
         $book->setIdentifier("http://{$_SERVER['HTTP_HOST']}", EPub::IDENTIFIER_URI);
         // Could also be the ISBN number, prefered for published books, or a UUID.
         //$book->setLanguage("en"); // Not needed, but included for the example, Language is mandatory, but EPub defaults to "en". Use RFC3066 Language codes, such as "en", "da", "fr" etc.
         $book->setDescription(_("Some articles saved on my wallabag"));
         $book->setAuthor($this->author, $this->author);
         $book->setPublisher("wallabag", "wallabag");
         // I hope this is a non existant address :)
         $book->setDate(time());
         // Strictly not needed as the book date defaults to time().
         //$book->setRights("Copyright and licence information specific for the book."); // As this is generated, this _could_ contain the name or licence information of the user who purchased the book, if needed. If this is used that way, the identifier must also be made unique for the book.
         $book->setSourceURL("http://{$_SERVER['HTTP_HOST']}");
         $book->addDublinCoreMetadata(DublinCore::CONTRIBUTOR, "PHP");
         $book->addDublinCoreMetadata(DublinCore::CONTRIBUTOR, "wallabag");
         $cssData = "body {\n margin-left: .5em;\n margin-right: .5em;\n text-align: justify;\n}\n\np {\n font-family: serif;\n font-size: 10pt;\n text-align: justify;\n text-indent: 1em;\n margin-top: 0px;\n margin-bottom: 1ex;\n}\n\nh1, h2 {\n font-family: sans-serif;\n font-style: italic;\n text-align: center;\n background-color: #6b879c;\n color: white;\n width: 100%;\n}\n\nh1 {\n margin-bottom: 2px;\n}\n\nh2 {\n margin-top: -2px;\n margin-bottom: 2px;\n}\n";
         $log->logLine("Add Cover");
         $fullTitle = "<h1> " . $this->bookTitle . "</h1>\n";
         $book->setCoverImage("Cover.png", file_get_contents("themes/_global/img/appicon/apple-touch-icon-152.png"), "image/png", $fullTitle);
         $cover = $content_start . '<div style="text-align:center;"><p>' . _('Produced by wallabag with PHPePub') . '</p><p>' . _('Please open <a href="https://github.com/wallabag/wallabag/issues" >an issue</a> if you have trouble with the display of this E-Book on your device.') . '</p></div>' . $bookEnd;
         //$book->addChapter("Table of Contents", "TOC.xhtml", NULL, false, EPub::EXTERNAL_REF_IGNORE);
         $book->addChapter("Notices", "Cover2.html", $cover);
         $book->buildTOC();
         Tools::logm('Adding actual content...');
         foreach ($this->entries as $entry) {
             //set tags as subjects
             $tags = $this->wallabag->store->retrieveTagsByEntry($entry['id']);
             foreach ($tags as $tag) {
                 $book->setSubject($tag['value']);
             }
             $log->logLine("Set up parameters");
             $chapter = $content_start . $entry['content'] . $bookEnd;
             $book->addChapter($entry['title'], htmlspecialchars($entry['title']) . ".html", $chapter, true, EPub::EXTERNAL_REF_ADD);
             $log->logLine("Added chapter " . $entry['title']);
         }
         if (DEBUG_POCHE) {
             $book->addChapter("Log", "Log.html", $content_start . $log->getLog() . "\n</pre>" . $bookEnd);
             // log generation
             Tools::logm('Production log available in produced file');
         }
         $book->finalize();
         $zipData = $book->sendBook($this->bookFileName);
         Tools::logm('Ebook produced');
     } catch (Exception $e) {
         Tools::logm('PHPePub has encountered an error : ' . $e->getMessage());
         $this->wallabag->messages->add('e', $e->getMessage());
     }
 }
$content_start = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" . "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\"\n" . "    \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">\n" . "<html xmlns=\"http://www.w3.org/1999/xhtml\">\n" . "<head>" . "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />\n" . "<link rel=\"stylesheet\" type=\"text/css\" href=\"styles.css\" />\n" . "<title>Test Book</title>\n" . "</head>\n" . "<body>\n";
$bookEnd = "</body>\n</html>\n";
// setting timezone for time functions used for logging to work properly
date_default_timezone_set('Europe/Berlin');
include_once "Logger.php";
$log = new Logger("Example", TRUE);
$fileDir = './PHPePub';
include_once "EPub.php";
$log->logLine("include EPub");
$book = new EPub();
// Default is EPub::BOOK_VERSION_EPUB2
$log->logLine("new EPub()");
$log->logLine("EPub class version: " . EPub::VERSION);
$log->logLine("EPub Req. Zip version: " . EPub::REQ_ZIP_VERSION);
$log->logLine("Zip version: " . Zip::VERSION);
$log->logLine("getCurrentServerURL: " . $book->getCurrentServerURL());
$log->logLine("getCurrentPageURL..: " . $book->getCurrentPageURL());
// Title and Identifier are mandatory!
$book->setTitle("Test book");
$book->setIdentifier("http://JohnJaneDoePublications.com/books/TestBook.html", EPub::IDENTIFIER_URI);
// Could also be the ISBN number, prefered for published books, or a UUID.
$book->setLanguage("en");
// Not needed, but included for the example, Language is mandatory, but EPub defaults to "en". Use RFC3066 Language codes, such as "en", "da", "fr" etc.
$book->setDescription("This is a brief description\nA test ePub book as an example of building a book in PHP");
$book->setAuthor("John Doe Johnson", "Johnson, John Doe");
$book->setPublisher("John and Jane Doe Publications", "http://JohnJaneDoePublications.com/");
// I hope this is a non existant address :)
$book->setDate(time());
// Strictly not needed as the book date defaults to time().
$book->setRights("Copyright and licence information specific for the book.");
// As this is generated, this _could_ contain the name or licence information of the user who purchased the book, if needed. If this is used that way, the identifier must also be made unique for the book.
Example #3
0
 /**
  * handle epub
  */
 public function createEpub()
 {
     switch ($_GET['method']) {
         case 'id':
             $entryID = filter_var($_GET['id'], FILTER_SANITIZE_NUMBER_INT);
             $entry = $this->store->retrieveOneById($entryID, $this->user->getId());
             $entries = array($entry);
             $bookTitle = $entry['title'];
             $bookFileName = substr($bookTitle, 0, 200);
             break;
         case 'all':
             $entries = $this->store->retrieveAll($this->user->getId());
             $bookTitle = sprintf(_('All my articles on '), date(_('d.m.y')));
             #translatable because each country has it's own date format system
             $bookFileName = _('Allarticles') . date(_('dmY'));
             break;
         case 'tag':
             $tag = filter_var($_GET['tag'], FILTER_SANITIZE_STRING);
             $tags_id = $this->store->retrieveAllTags($this->user->getId(), $tag);
             $tag_id = $tags_id[0]["id"];
             // we take the first result, which is supposed to match perfectly. There must be a workaround.
             $entries = $this->store->retrieveEntriesByTag($tag_id, $this->user->getId());
             $bookTitle = sprintf(_('Articles tagged %s'), $tag);
             $bookFileName = substr(sprintf(_('Tag %s'), $tag), 0, 200);
             break;
         case 'category':
             $category = filter_var($_GET['category'], FILTER_SANITIZE_STRING);
             $entries = $this->store->getEntriesByView($category, $this->user->getId());
             $bookTitle = sprintf(_('All articles in category %s'), $category);
             $bookFileName = substr(sprintf(_('Category %s'), $category), 0, 200);
             break;
         case 'search':
             $search = filter_var($_GET['search'], FILTER_SANITIZE_STRING);
             $entries = $this->store->search($search, $this->user->getId());
             $bookTitle = sprintf(_('All articles for search %s'), $search);
             $bookFileName = substr(sprintf(_('Search %s'), $search), 0, 200);
             break;
         case 'default':
             die(_('Uh, there is a problem while generating epub.'));
     }
     $content_start = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" . "<html xmlns=\"http://www.w3.org/1999/xhtml\" xmlns:epub=\"http://www.idpf.org/2007/ops\">\n" . "<head>" . "<meta http-equiv=\"Default-Style\" content=\"text/html; charset=utf-8\" />\n" . "<title>wallabag articles book</title>\n" . "</head>\n" . "<body>\n";
     $bookEnd = "</body>\n</html>\n";
     $log = new Logger("wallabag", TRUE);
     $fileDir = CACHE;
     $book = new EPub(EPub::BOOK_VERSION_EPUB3, DEBUG_POCHE);
     $log->logLine("new EPub()");
     $log->logLine("EPub class version: " . EPub::VERSION);
     $log->logLine("EPub Req. Zip version: " . EPub::REQ_ZIP_VERSION);
     $log->logLine("Zip version: " . Zip::VERSION);
     $log->logLine("getCurrentServerURL: " . $book->getCurrentServerURL());
     $log->logLine("getCurrentPageURL..: " . $book->getCurrentPageURL());
     $book->setTitle(_('wallabag\'s articles'));
     $book->setIdentifier("http://{$_SERVER['HTTP_HOST']}", EPub::IDENTIFIER_URI);
     // Could also be the ISBN number, prefered for published books, or a UUID.
     //$book->setLanguage("en"); // Not needed, but included for the example, Language is mandatory, but EPub defaults to "en". Use RFC3066 Language codes, such as "en", "da", "fr" etc.
     $book->setDescription(_("Some articles saved on my wallabag"));
     $book->setAuthor("wallabag", "wallabag");
     $book->setPublisher("wallabag", "wallabag");
     // I hope this is a non existant address :)
     $book->setDate(time());
     // Strictly not needed as the book date defaults to time().
     //$book->setRights("Copyright and licence information specific for the book."); // As this is generated, this _could_ contain the name or licence information of the user who purchased the book, if needed. If this is used that way, the identifier must also be made unique for the book.
     $book->setSourceURL("http://{$_SERVER['HTTP_HOST']}");
     $book->addDublinCoreMetadata(DublinCore::CONTRIBUTOR, "PHP");
     $book->addDublinCoreMetadata(DublinCore::CONTRIBUTOR, "wallabag");
     $cssData = "body {\n margin-left: .5em;\n margin-right: .5em;\n text-align: justify;\n}\n\np {\n font-family: serif;\n font-size: 10pt;\n text-align: justify;\n text-indent: 1em;\n margin-top: 0px;\n margin-bottom: 1ex;\n}\n\nh1, h2 {\n font-family: sans-serif;\n font-style: italic;\n text-align: center;\n background-color: #6b879c;\n color: white;\n width: 100%;\n}\n\nh1 {\n margin-bottom: 2px;\n}\n\nh2 {\n margin-top: -2px;\n margin-bottom: 2px;\n}\n";
     $log->logLine("Add Cover");
     $fullTitle = "<h1> " . $bookTitle . "</h1>\n";
     $book->setCoverImage("Cover.png", file_get_contents("themes/baggy/img/apple-touch-icon-152.png"), "image/png", $fullTitle);
     $cover = $content_start . '<div style="text-align:center;"><p>' . _('Produced by wallabag with PHPePub') . '</p><p>' . _('Please open <a href="https://github.com/wallabag/wallabag/issues" >an issue</a> if you have trouble with the display of this E-Book on your device.') . '</p></div>' . $bookEnd;
     //$book->addChapter("Table of Contents", "TOC.xhtml", NULL, false, EPub::EXTERNAL_REF_IGNORE);
     $book->addChapter("Notices", "Cover2.html", $cover);
     $book->buildTOC();
     foreach ($entries as $entry) {
         //set tags as subjects
         $tags = $this->store->retrieveTagsByEntry($entry['id']);
         foreach ($tags as $tag) {
             $book->setSubject($tag['value']);
         }
         $log->logLine("Set up parameters");
         $chapter = $content_start . $entry['content'] . $bookEnd;
         $book->addChapter($entry['title'], htmlspecialchars($entry['title']) . ".html", $chapter, true, EPub::EXTERNAL_REF_ADD);
         $log->logLine("Added chapter " . $entry['title']);
     }
     if (DEBUG_POCHE) {
         $epuplog = $book->getLog();
         $book->addChapter("Log", "Log.html", $content_start . $log->getLog() . "\n</pre>" . $bookEnd);
         // log generation
     }
     $book->finalize();
     $zipData = $book->sendBook($bookFileName);
 }