mirror of
https://github.com/wallabag/wallabag.git
synced 2024-05-31 23:48:06 +00:00
264 lines
8.3 KiB
PHP
264 lines
8.3 KiB
PHP
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<?php
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namespace Wallabag\CoreBundle\Helper;
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use PHPePub\Core\EPub;
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use PHPePub\Core\Structure\OPF\DublinCore;
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class EntriesExport
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{
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private $format;
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private $method;
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private $title;
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private $entries;
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private $authors = array('wallabag');
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private $language;
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private $tags;
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public function __construct($entries)
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{
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$this->entries = $entries;
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foreach ($entries as $entry) {
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$this->tags[] = $entry->getTags();
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}
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if (count($entries) === 1) {
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$this->language = $entries[0]->getLanguage();
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}
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}
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/**
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* Sets the category of which we want to get articles, or just one entry.
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*
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* @param string $method Method to get articles
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*/
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public function setMethod($method)
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{
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$this->method = $method;
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switch ($this->method) {
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case 'All':
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$this->title = 'All Articles';
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break;
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case 'Unread':
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$this->title = 'Unread articles';
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break;
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case 'Starred':
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$this->title = 'Starred articles';
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break;
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case 'Archive':
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$this->title = 'Archived articles';
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break;
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case 'entry':
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$this->title = $this->entries[0]->getTitle();
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break;
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default:
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break;
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}
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}
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/**
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* Sets the output format.
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*
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* @param string $format
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*/
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public function exportAs($format)
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{
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$this->format = $format;
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switch ($this->format) {
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case 'epub':
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$this->produceEpub();
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break;
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case 'mobi':
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$this->produceMobi();
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break;
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case 'pdf':
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$this->producePDF();
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break;
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case 'csv':
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$this->produceCSV();
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break;
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default:
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break;
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}
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}
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private function produceEpub()
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{
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/*
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* Start and End of the book
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*/
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$content_start =
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"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
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."<html xmlns=\"http://www.w3.org/1999/xhtml\" xmlns:epub=\"http://www.idpf.org/2007/ops\">\n"
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.'<head>'
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."<meta http-equiv=\"Default-Style\" content=\"text/html; charset=utf-8\" />\n"
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.'<title>'._('wallabag articles book')."</title>\n"
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."</head>\n"
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."<body>\n";
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$bookEnd = "</body>\n</html>\n";
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$book = new EPub(EPub::BOOK_VERSION_EPUB3);
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/*
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* Book metadata
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*/
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$book->setTitle($this->title);
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$book->setIdentifier($this->title, EPub::IDENTIFIER_URI); // Could also be the ISBN number, prefered for published books, or a UUID.
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$book->setLanguage($this->language); // Not needed, but included for the example, Language is mandatory, but EPub defaults to "en". Use RFC3066 Language codes, such as "en", "da", "fr" etc.
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$book->setDescription(_('Some articles saved on my wallabag'));
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foreach ($this->authors as $author) {
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$book->setAuthor($author, $author);
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}
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$book->setPublisher('wallabag', 'wallabag'); // I hope this is a non existant address :)
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$book->setDate(time()); // Strictly not needed as the book date defaults to time().
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$book->setSourceURL("http://$_SERVER[HTTP_HOST]");
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$book->addDublinCoreMetadata(DublinCore::CONTRIBUTOR, 'PHP');
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$book->addDublinCoreMetadata(DublinCore::CONTRIBUTOR, 'wallabag');
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/*
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* Front page
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*/
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$book->setCoverImage('Cover.png', file_get_contents('themes/_global/img/appicon/apple-touch-icon-152.png'), 'image/png');
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$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;
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$book->addChapter('Notices', 'Cover2.html', $cover);
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$book->buildTOC();
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/*
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* Adding actual entries
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*/
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foreach ($this->entries as $entry) { //set tags as subjects
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foreach ($this->tags as $tag) {
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$book->setSubject($tag['value']);
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}
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$chapter = $content_start.$entry->getContent().$bookEnd;
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$book->addChapter($entry->getTitle(), htmlspecialchars($entry->getTitle()).'.html', $chapter, true, EPub::EXTERNAL_REF_ADD);
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}
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$book->finalize();
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$book->sendBook($this->title);
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}
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private function produceMobi()
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{
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$mobi = new \MOBI();
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$content = new \MOBIFile();
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/*
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* Book metadata
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*/
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$content->set('title', $this->title);
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$content->set('author', implode($this->authors));
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$content->set('subject', $this->title);
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/*
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* Front page
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*/
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$content->appendParagraph('<div style="text-align:center;" ><p>'._('Produced by wallabag with PHPMobi').'</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>');
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$content->appendImage(imagecreatefrompng('themes/_global/img/appicon/apple-touch-icon-152.png'));
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$content->appendPageBreak();
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/*
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* Adding actual entries
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*/
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foreach ($this->entries as $entry) {
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$content->appendChapterTitle($entry->getTitle());
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$content->appendParagraph($entry->getContent());
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$content->appendPageBreak();
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}
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$mobi->setContentProvider($content);
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// the browser inside Kindle Devices doesn't likes special caracters either, we limit to A-z/0-9
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$this->title = preg_replace('/[^A-Za-z0-9\-]/', '', $this->title);
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// we offer file to download
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$mobi->download($this->title.'.mobi');
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}
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private function producePDF()
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{
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$pdf = new \TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
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/*
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* Book metadata
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*/
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$pdf->SetCreator(PDF_CREATOR);
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$pdf->SetAuthor('wallabag');
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$pdf->SetTitle($this->title);
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$pdf->SetSubject('Articles via wallabag');
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$pdf->SetKeywords('wallabag');
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/*
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* Front page
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*/
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$pdf->AddPage();
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$intro = '<h1>'.$this->title.'</h1><div style="text-align:center;" >
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<p>'._('Produced by wallabag with tcpdf').'</p>
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<p>'._('Please open <a href="https://github.com/wallabag/wallabag/issues" >an issue</a> if you have trouble with the display of this E-Book on your device.').'</p>
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<img src="themes/_global/img/appicon/apple-touch-icon-152.png" /></div>';
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$pdf->writeHTMLCell(0, 0, '', '', $intro, 0, 1, 0, true, '', true);
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/*
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* Adding actual entries
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*/
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foreach ($this->entries as $entry) {
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foreach ($this->tags as $tag) {
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$pdf->SetKeywords($tag['value']);
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}
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$pdf->AddPage();
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$html = '<h1>'.$entry->getTitle().'</h1>';
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$html .= $entry->getContent();
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$pdf->writeHTMLCell(0, 0, '', '', $html, 0, 1, 0, true, '', true);
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}
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// set image scale factor
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$pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);
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$pdf->Output($this->title.'.pdf', 'D');
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}
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private function produceCSV()
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{
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header('Content-type: application/csv');
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header('Content-Disposition: attachment; filename="'.$this->title.'.csv"');
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header('Content-Transfer-Encoding: UTF-8');
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$output = fopen('php://output', 'a');
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fputcsv($output, array('Title', 'URL', 'Content', 'Tags', 'MIME Type', 'Language'));
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foreach ($this->entries as $entry) {
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fputcsv($output, array($entry->getTitle(),
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$entry->getURL(),
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$entry->getContent(),
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implode(', ', $entry->getTags()->toArray()),
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$entry->getMimetype(),
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$entry->getLanguage(), ));
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}
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fclose($output);
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exit();
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}
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}
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