[github/wallabag/wallabag.git] / src / Wallabag / CoreBundle / Helper / EntriesExport.php

<?php

namespace Wallabag\CoreBundle\Helper;

use Html2Text\Html2Text;
use JMS\Serializer\SerializationContext;
use JMS\Serializer\SerializerBuilder;
use PHPePub\Core\EPub;
use PHPePub\Core\Structure\OPF\DublinCore;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Translation\TranslatorInterface;
use Wallabag\CoreBundle\Entity\Entry;

/**
 * This class doesn't have unit test BUT it's fully covered by a functional test with ExportControllerTest.
 */
class EntriesExport
{
    private $wallabagUrl;
    private $logoPath;
    private $translator;
    private $title = '';
    private $entries = [];
    private $author = 'wallabag';
    private $language = '';
    private $footerTemplate = '<div style="text-align:center;">
        <p>Produced by wallabag with %EXPORT_METHOD%</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>';

    /**
     * @param string $wallabagUrl Wallabag instance url
     * @param string $logoPath    Path to the logo FROM THE BUNDLE SCOPE
     */
    public function __construct($wallabagUrl, $logoPath, TranslatorInterface $translator)
    {
        $this->wallabagUrl = $wallabagUrl;
        $this->logoPath = $logoPath;
        $this->translator = $translator;
    }

    /**
     * Define entries.
     *
     * @param array|Entry $entries An array of entries or one entry
     *
     * @return EntriesExport
     */
    public function setEntries($entries)
    {
        if (!is_array($entries)) {
            $this->language = $entries->getLanguage();
            $entries = [$entries];
        }

        $this->entries = $entries;

        return $this;
    }

    /**
     * Sets the category of which we want to get articles, or just one entry.
     *
     * @param string $method Method to get articles
     *
     * @return EntriesExport
     */
    public function updateTitle($method)
    {
        $this->title = $method . ' articles';

        if ('entry' === $method) {
            $this->title = $this->entries[0]->getTitle();
        }

        return $this;
    }

    /**
     * Sets the author for one entry or category.
     *
     * The publishers are used, or the domain name if empty.
     *
     * @param string $method Method to get articles
     *
     * @return EntriesExport
     */
    public function updateAuthor($method)
    {
        if ('entry' !== $method) {
            $this->author = $method . ' authors';

            return $this;
        }

        $this->author = $this->entries[0]->getDomainName();

        $publishedBy = $this->entries[0]->getPublishedBy();
        if (!empty($publishedBy)) {
            $this->author = implode(', ', $publishedBy);
        }

        return $this;
    }

    /**
     * Sets the output format.
     *
     * @param string $format
     *
     * @return Response
     */
    public function exportAs($format)
    {
        $functionName = 'produce' . ucfirst($format);
        if (method_exists($this, $functionName)) {
            return $this->$functionName();
        }

        throw new \InvalidArgumentException(sprintf('The format "%s" is not yet supported.', $format));
    }

    public function exportJsonData()
    {
        return $this->prepareSerializingContent('json');
    }

    /**
     * Use PHPePub to dump a .epub file.
     *
     * @return Response
     */
    private function produceEpub()
    {
        /*
         * Start and End of the book
         */
        $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";

        $book = new EPub(EPub::BOOK_VERSION_EPUB3);

        /*
         * Book metadata
         */

        $book->setTitle($this->title);
        // Could also be the ISBN number, prefered for published books, or a UUID.
        $book->setIdentifier($this->title, EPub::IDENTIFIER_URI);
        // 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.
        $book->setLanguage($this->language);
        $book->setDescription('Some articles saved on my wallabag');

        $book->setAuthor($this->author, $this->author);

        // I hope this is a non existant address :)
        $book->setPublisher('wallabag', 'wallabag');
        // Strictly not needed as the book date defaults to time().
        $book->setDate(time());
        $book->setSourceURL($this->wallabagUrl);

        $book->addDublinCoreMetadata(DublinCore::CONTRIBUTOR, 'PHP');
        $book->addDublinCoreMetadata(DublinCore::CONTRIBUTOR, 'wallabag');

        /*
         * Front page
         */
        if (file_exists($this->logoPath)) {
            $book->setCoverImage('Cover.png', file_get_contents($this->logoPath), 'image/png');
        }

        $book->buildTOC();

        /*
         * Adding actual entries
         */

        // set tags as subjects
        foreach ($this->entries as $entry) {
            foreach ($entry->getTags() as $tag) {
                $book->setSubject($tag->getLabel());
            }

            // the reader in Kobo Devices doesn't likes special caracters
            // in filenames, we limit to A-z/0-9
            $filename = preg_replace('/[^A-Za-z0-9\-]/', '', $entry->getTitle());

            $chapter = $content_start . $entry->getContent() . $bookEnd;
            $book->addChapter($entry->getTitle(), htmlspecialchars($filename) . '.html', $chapter, true, EPub::EXTERNAL_REF_ADD);
        }

        $book->addChapter('Notices', 'Cover2.html', $content_start . $this->getExportInformation('PHPePub') . $bookEnd);

        return Response::create(
            $book->getBook(),
            200,
            [
                'Content-Description' => 'File Transfer',
                'Content-type' => 'application/epub+zip',
                'Content-Disposition' => 'attachment; filename="' . $this->title . '.epub"',
                'Content-Transfer-Encoding' => 'binary',
            ]
        );
    }

    /**
     * Use PHPMobi to dump a .mobi file.
     *
     * @return Response
     */
    private function produceMobi()
    {
        $mobi = new \MOBI();
        $content = new \MOBIFile();

        /*
         * Book metadata
         */
        $content->set('title', $this->title);
        $content->set('author', $this->author);
        $content->set('subject', $this->title);

        /*
         * Front page
         */
        $content->appendParagraph($this->getExportInformation('PHPMobi'));
        if (file_exists($this->logoPath)) {
            $content->appendImage(imagecreatefrompng($this->logoPath));
        }
        $content->appendPageBreak();

        /*
         * Adding actual entries
         */
        foreach ($this->entries as $entry) {
            $content->appendChapterTitle($entry->getTitle());
            $content->appendParagraph($entry->getContent());
            $content->appendPageBreak();
        }
        $mobi->setContentProvider($content);

        // the browser inside Kindle Devices doesn't likes special caracters either, we limit to A-z/0-9
        $this->title = preg_replace('/[^A-Za-z0-9\-]/', '', $this->title);

        return Response::create(
            $mobi->toString(),
            200,
            [
                'Accept-Ranges' => 'bytes',
                'Content-Description' => 'File Transfer',
                'Content-type' => 'application/x-mobipocket-ebook',
                'Content-Disposition' => 'attachment; filename="' . $this->title . '.mobi"',
                'Content-Transfer-Encoding' => 'binary',
            ]
        );
    }

    /**
     * Use TCPDF to dump a .pdf file.
     *
     * @return Response
     */
    private function producePdf()
    {
        $pdf = new \TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);

        /*
         * Book metadata
         */
        $pdf->SetCreator(PDF_CREATOR);
        $pdf->SetAuthor($this->author);
        $pdf->SetTitle($this->title);
        $pdf->SetSubject('Articles via wallabag');
        $pdf->SetKeywords('wallabag');

        /*
         * Front page
         */
        $pdf->AddPage();
        $intro = '<h1>' . $this->title . '</h1>' . $this->getExportInformation('tcpdf');

        $pdf->writeHTMLCell(0, 0, '', '', $intro, 0, 1, 0, true, '', true);

        /*
         * Adding actual entries
         */
        foreach ($this->entries as $entry) {
            foreach ($entry->getTags() as $tag) {
                $pdf->SetKeywords($tag->getLabel());
            }

            $pdf->AddPage();
            $html = '<h1>' . $entry->getTitle() . '</h1>';
            $html .= $entry->getContent();

            $pdf->writeHTMLCell(0, 0, '', '', $html, 0, 1, 0, true, '', true);
        }

        // set image scale factor
        $pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);

        return Response::create(
            $pdf->Output('', 'S'),
            200,
            [
                'Content-Description' => 'File Transfer',
                'Content-type' => 'application/pdf',
                'Content-Disposition' => 'attachment; filename="' . $this->title . '.pdf"',
                'Content-Transfer-Encoding' => 'binary',
            ]
        );
    }

    /**
     * Inspired from CsvFileDumper.
     *
     * @return Response
     */
    private function produceCsv()
    {
        $delimiter = ';';
        $enclosure = '"';
        $handle = fopen('php://memory', 'rb+');

        fputcsv($handle, ['Title', 'URL', 'Content', 'Tags', 'MIME Type', 'Language', 'Creation date'], $delimiter, $enclosure);

        foreach ($this->entries as $entry) {
            fputcsv(
                $handle,
                [
                    $entry->getTitle(),
                    $entry->getURL(),
                    // remove new line to avoid crazy results
                    str_replace(["\r\n", "\r", "\n"], '', $entry->getContent()),
                    implode(', ', $entry->getTags()->toArray()),
                    $entry->getMimetype(),
                    $entry->getLanguage(),
                    $entry->getCreatedAt()->format('d/m/Y h:i:s'),
                ],
                $delimiter,
                $enclosure
            );
        }

        rewind($handle);
        $output = stream_get_contents($handle);
        fclose($handle);

        return Response::create(
            $output,
            200,
            [
                'Content-type' => 'application/csv',
                'Content-Disposition' => 'attachment; filename="' . $this->title . '.csv"',
                'Content-Transfer-Encoding' => 'UTF-8',
            ]
        );
    }

    /**
     * Dump a JSON file.
     *
     * @return Response
     */
    private function produceJson()
    {
        return Response::create(
            $this->prepareSerializingContent('json'),
            200,
            [
                'Content-type' => 'application/json',
                'Content-Disposition' => 'attachment; filename="' . $this->title . '.json"',
                'Content-Transfer-Encoding' => 'UTF-8',
            ]
        );
    }

    /**
     * Dump a XML file.
     *
     * @return Response
     */
    private function produceXml()
    {
        return Response::create(
            $this->prepareSerializingContent('xml'),
            200,
            [
                'Content-type' => 'application/xml',
                'Content-Disposition' => 'attachment; filename="' . $this->title . '.xml"',
                'Content-Transfer-Encoding' => 'UTF-8',
            ]
        );
    }

    /**
     * Dump a TXT file.
     *
     * @return Response
     */
    private function produceTxt()
    {
        $content = '';
        $bar = str_repeat('=', 100);
        foreach ($this->entries as $entry) {
            $content .= "\n\n" . $bar . "\n\n" . $entry->getTitle() . "\n\n" . $bar . "\n\n";
            $html = new Html2Text($entry->getContent(), ['do_links' => 'none', 'width' => 100]);
            $content .= $html->getText();
        }

        return Response::create(
            $content,
            200,
            [
                'Content-type' => 'text/plain',
                'Content-Disposition' => 'attachment; filename="' . $this->title . '.txt"',
                'Content-Transfer-Encoding' => 'UTF-8',
            ]
        );
    }

    /**
     * Return a Serializer object for producing processes that need it (JSON & XML).
     *
     * @param string $format
     *
     * @return string
     */
    private function prepareSerializingContent($format)
    {
        $serializer = SerializerBuilder::create()->build();

        return $serializer->serialize(
            $this->entries,
            $format,
            SerializationContext::create()->setGroups(['entries_for_user'])
        );
    }

    /**
     * Return a kind of footer / information for the epub.
     *
     * @param string $type Generator of the export, can be: tdpdf, PHPePub, PHPMobi
     *
     * @return string
     */
    private function getExportInformation($type)
    {
        $info = $this->translator->trans('export.footer_template', [
            '%method%' => $type,
        ]);

        if ('tcpdf' === $type) {
            return str_replace('%IMAGE%', '<img src="' . $this->logoPath . '" />', $info);
        }

        return str_replace('%IMAGE%', '', $info);
    }
}
Commit	Line	Data
03690d13 TC	1	<?php
	2
	3	namespace Wallabag\CoreBundle\Helper;
	4
c6608783	5	use Html2Text\Html2Text;
619cc453 JB	6	use JMS\Serializer\SerializationContext;
619cc453 JB	7	use JMS\Serializer\SerializerBuilder;
03690d13 TC	8	use PHPePub\Core\EPub;
03690d13 TC	9	use PHPePub\Core\Structure\OPF\DublinCore;
add597ba	10	use Symfony\Component\HttpFoundation\Response;
b1428a1c	11	use Symfony\Component\Translation\TranslatorInterface;
52b84c11	12	use Wallabag\CoreBundle\Entity\Entry;
03690d13	13
cceca9ea JB	14	/**
	15	* This class doesn't have unit test BUT it's fully covered by a functional test with ExportControllerTest.
	16	*/
03690d13 TC	17	class EntriesExport
03690d13 TC	18	{
add597ba JB	19	private $wallabagUrl;
add597ba JB	20	private $logoPath;
b1428a1c	21	private $translator;
add597ba	22	private $title = '';
4094ea47	23	private $entries = [];
07320a2b	24	private $author = 'wallabag';
add597ba	25	private $language = '';
add597ba JB	26	private $footerTemplate = '<div style="text-align:center;">
	27	<p>Produced by wallabag with %EXPORT_METHOD%</p>
	28	<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>
ffcd91ec	29	</div>';
03690d13	30
add597ba	31	/**
4b3c983a	32	* @param string $wallabagUrl Wallabag instance url
add597ba JB	33	* @param string $logoPath Path to the logo FROM THE BUNDLE SCOPE
add597ba JB	34	*/
b1428a1c	35	public function __construct($wallabagUrl, $logoPath, TranslatorInterface $translator)
03690d13	36	{
4b3c983a	37	$this->wallabagUrl = $wallabagUrl;
add597ba	38	$this->logoPath = $logoPath;
b1428a1c	39	$this->translator = $translator;
add597ba JB	40	}
	41
	42	/**
	43	* Define entries.
	44	*
	45	* @param array\|Entry $entries An array of entries or one entry
4094ea47 JB	46	*
4094ea47 JB	47	* @return EntriesExport
add597ba JB	48	*/
	49	public function setEntries($entries)
	50	{
	51	if (!is_array($entries)) {
	52	$this->language = $entries->getLanguage();
4094ea47	53	$entries = [$entries];
add597ba JB	54	}
add597ba JB	55
03690d13 TC	56	$this->entries = $entries;
03690d13 TC	57
add597ba	58	return $this;
03690d13 TC	59	}
	60
	61	/**
	62	* Sets the category of which we want to get articles, or just one entry.
	63	*
	64	* @param string $method Method to get articles
4094ea47 JB	65	*
4094ea47 JB	66	* @return EntriesExport
03690d13	67	*/
add597ba	68	public function updateTitle($method)
03690d13	69	{
f808b016	70	$this->title = $method . ' articles';
add597ba JB	71
	72	if ('entry' === $method) {
	73	$this->title = $this->entries[0]->getTitle();
03690d13	74	}
add597ba JB	75
add597ba JB	76	return $this;
03690d13 TC	77	}
03690d13 TC	78
07320a2b	79	/**
c57f69d9 ÉG	80	* Sets the author for one entry or category.
	81	*
	82	* The publishers are used, or the domain name if empty.
07320a2b ÉG	83	*
	84	* @param string $method Method to get articles
	85	*
	86	* @return EntriesExport
	87	*/
	88	public function updateAuthor($method)
	89	{
eeabca80 ÉG	90	if ('entry' !== $method) {
eeabca80 ÉG	91	$this->author = $method . ' authors';
07320a2b	92
eeabca80 ÉG	93	return $this;
	94	}
	95
	96	$this->author = $this->entries[0]->getDomainName();
	97
	98	$publishedBy = $this->entries[0]->getPublishedBy();
	99	if (!empty($publishedBy)) {
	100	$this->author = implode(', ', $publishedBy);
07320a2b ÉG	101	}
	102
	103	return $this;
	104	}
	105
03690d13 TC	106	/**
	107	* Sets the output format.
	108	*
	109	* @param string $format
4094ea47 JB	110	*
4094ea47 JB	111	* @return Response
03690d13 TC	112	*/
	113	public function exportAs($format)
	114	{
f808b016	115	$functionName = 'produce' . ucfirst($format);
8f336fda JB	116	if (method_exists($this, $functionName)) {
8f336fda JB	117	return $this->$functionName();
03690d13	118	}
add597ba JB	119
add597ba JB	120	throw new \InvalidArgumentException(sprintf('The format "%s" is not yet supported.', $format));
03690d13 TC	121	}
03690d13 TC	122
8303b037 TC	123	public function exportJsonData()
	124	{
	125	return $this->prepareSerializingContent('json');
	126	}
	127
add597ba JB	128	/**
add597ba JB	129	* Use PHPePub to dump a .epub file.
4094ea47 JB	130	*
4094ea47 JB	131	* @return Response
add597ba	132	*/
03690d13 TC	133	private function produceEpub()
	134	{
	135	/*
	136	* Start and End of the book
	137	*/
	138	$content_start =
	139	"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
f808b016 JB	140	. "<html xmlns=\"http://www.w3.org/1999/xhtml\" xmlns:epub=\"http://www.idpf.org/2007/ops\">\n"
	141	. '<head>'
	142	. "<meta http-equiv=\"Default-Style\" content=\"text/html; charset=utf-8\" />\n"
	143	. "<title>wallabag articles book</title>\n"
	144	. "</head>\n"
	145	. "<body>\n";
03690d13 TC	146
	147	$bookEnd = "</body>\n</html>\n";
	148
	149	$book = new EPub(EPub::BOOK_VERSION_EPUB3);
	150
	151	/*
	152	* Book metadata
	153	*/
	154
	155	$book->setTitle($this->title);
add597ba JB	156	// Could also be the ISBN number, prefered for published books, or a UUID.
	157	$book->setIdentifier($this->title, EPub::IDENTIFIER_URI);
	158	// 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.
	159	$book->setLanguage($this->language);
	160	$book->setDescription('Some articles saved on my wallabag');
03690d13	161
07320a2b	162	$book->setAuthor($this->author, $this->author);
03690d13	163
add597ba JB	164	// I hope this is a non existant address :)
	165	$book->setPublisher('wallabag', 'wallabag');
	166	// Strictly not needed as the book date defaults to time().
	167	$book->setDate(time());
	168	$book->setSourceURL($this->wallabagUrl);
03690d13 TC	169
	170	$book->addDublinCoreMetadata(DublinCore::CONTRIBUTOR, 'PHP');
	171	$book->addDublinCoreMetadata(DublinCore::CONTRIBUTOR, 'wallabag');
	172
	173	/*
	174	* Front page
	175	*/
add597ba JB	176	if (file_exists($this->logoPath)) {
	177	$book->setCoverImage('Cover.png', file_get_contents($this->logoPath), 'image/png');
	178	}
03690d13	179
03690d13 TC	180	$book->buildTOC();
	181
	182	/*
	183	* Adding actual entries
	184	*/
	185
add597ba JB	186	// set tags as subjects
add597ba JB	187	foreach ($this->entries as $entry) {
b0458874 JB	188	foreach ($entry->getTags() as $tag) {
b0458874 JB	189	$book->setSubject($tag->getLabel());
add597ba	190	}
03690d13	191
45d94a98 ÉG	192	// the reader in Kobo Devices doesn't likes special caracters
	193	// in filenames, we limit to A-z/0-9
	194	$filename = preg_replace('/[^A-Za-z0-9\-]/', '', $entry->getTitle());
	195
f808b016 JB	196	$chapter = $content_start . $entry->getContent() . $bookEnd;
f808b016 JB	197	$book->addChapter($entry->getTitle(), htmlspecialchars($filename) . '.html', $chapter, true, EPub::EXTERNAL_REF_ADD);
03690d13	198	}
add597ba	199
f808b016	200	$book->addChapter('Notices', 'Cover2.html', $content_start . $this->getExportInformation('PHPePub') . $bookEnd);
1b70990b	201
add597ba JB	202	return Response::create(
	203	$book->getBook(),
	204	200,
4094ea47	205	[
add597ba JB	206	'Content-Description' => 'File Transfer',
add597ba JB	207	'Content-type' => 'application/epub+zip',
f808b016	208	'Content-Disposition' => 'attachment; filename="' . $this->title . '.epub"',
add597ba	209	'Content-Transfer-Encoding' => 'binary',
4094ea47	210	]
f898102c	211	);
03690d13 TC	212	}
03690d13 TC	213
add597ba JB	214	/**
add597ba JB	215	* Use PHPMobi to dump a .mobi file.
4094ea47 JB	216	*
4094ea47 JB	217	* @return Response
add597ba	218	*/
03690d13 TC	219	private function produceMobi()
	220	{
	221	$mobi = new \MOBI();
	222	$content = new \MOBIFile();
	223
	224	/*
	225	* Book metadata
	226	*/
03690d13	227	$content->set('title', $this->title);
07320a2b	228	$content->set('author', $this->author);
03690d13 TC	229	$content->set('subject', $this->title);
	230
	231	/*
	232	* Front page
	233	*/
add597ba JB	234	$content->appendParagraph($this->getExportInformation('PHPMobi'));
	235	if (file_exists($this->logoPath)) {
	236	$content->appendImage(imagecreatefrompng($this->logoPath));
	237	}
03690d13 TC	238	$content->appendPageBreak();
	239
	240	/*
	241	* Adding actual entries
	242	*/
03690d13 TC	243	foreach ($this->entries as $entry) {
	244	$content->appendChapterTitle($entry->getTitle());
	245	$content->appendParagraph($entry->getContent());
	246	$content->appendPageBreak();
	247	}
	248	$mobi->setContentProvider($content);
	249
	250	// the browser inside Kindle Devices doesn't likes special caracters either, we limit to A-z/0-9
	251	$this->title = preg_replace('/[^A-Za-z0-9\-]/', '', $this->title);
	252
add597ba JB	253	return Response::create(
	254	$mobi->toString(),
	255	200,
4094ea47	256	[
add597ba JB	257	'Accept-Ranges' => 'bytes',
	258	'Content-Description' => 'File Transfer',
	259	'Content-type' => 'application/x-mobipocket-ebook',
f808b016	260	'Content-Disposition' => 'attachment; filename="' . $this->title . '.mobi"',
add597ba	261	'Content-Transfer-Encoding' => 'binary',
4094ea47	262	]
f898102c	263	);
03690d13 TC	264	}
03690d13 TC	265
add597ba JB	266	/**
add597ba JB	267	* Use TCPDF to dump a .pdf file.
4094ea47 JB	268	*
4094ea47 JB	269	* @return Response
add597ba	270	*/
8f336fda	271	private function producePdf()
03690d13 TC	272	{
	273	$pdf = new \TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
	274
	275	/*
	276	* Book metadata
	277	*/
03690d13	278	$pdf->SetCreator(PDF_CREATOR);
07320a2b	279	$pdf->SetAuthor($this->author);
03690d13 TC	280	$pdf->SetTitle($this->title);
	281	$pdf->SetSubject('Articles via wallabag');
	282	$pdf->SetKeywords('wallabag');
	283
	284	/*
	285	* Front page
	286	*/
03690d13	287	$pdf->AddPage();
f808b016	288	$intro = '<h1>' . $this->title . '</h1>' . $this->getExportInformation('tcpdf');
03690d13 TC	289
	290	$pdf->writeHTMLCell(0, 0, '', '', $intro, 0, 1, 0, true, '', true);
	291
	292	/*
	293	* Adding actual entries
	294	*/
03690d13	295	foreach ($this->entries as $entry) {
b0458874 JB	296	foreach ($entry->getTags() as $tag) {
b0458874 JB	297	$pdf->SetKeywords($tag->getLabel());
03690d13 TC	298	}
	299
	300	$pdf->AddPage();
f808b016	301	$html = '<h1>' . $entry->getTitle() . '</h1>';
03690d13	302	$html .= $entry->getContent();
add597ba	303
03690d13 TC	304	$pdf->writeHTMLCell(0, 0, '', '', $html, 0, 1, 0, true, '', true);
	305	}
	306
	307	// set image scale factor
	308	$pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);
	309
add597ba JB	310	return Response::create(
	311	$pdf->Output('', 'S'),
	312	200,
4094ea47	313	[
add597ba JB	314	'Content-Description' => 'File Transfer',
add597ba JB	315	'Content-type' => 'application/pdf',
f808b016	316	'Content-Disposition' => 'attachment; filename="' . $this->title . '.pdf"',
add597ba	317	'Content-Transfer-Encoding' => 'binary',
4094ea47	318	]
f898102c	319	);
03690d13 TC	320	}
03690d13 TC	321
add597ba JB	322	/**
add597ba JB	323	* Inspired from CsvFileDumper.
4094ea47 JB	324	*
4094ea47 JB	325	* @return Response
add597ba	326	*/
8f336fda	327	private function produceCsv()
03690d13	328	{
add597ba JB	329	$delimiter = ';';
	330	$enclosure = '"';
	331	$handle = fopen('php://memory', 'rb+');
03690d13	332
9401696f	333	fputcsv($handle, ['Title', 'URL', 'Content', 'Tags', 'MIME Type', 'Language', 'Creation date'], $delimiter, $enclosure);
03690d13	334
03690d13	335	foreach ($this->entries as $entry) {
add597ba JB	336	fputcsv(
add597ba JB	337	$handle,
4094ea47	338	[
add597ba JB	339	$entry->getTitle(),
add597ba JB	340	$entry->getURL(),
cceca9ea	341	// remove new line to avoid crazy results
4094ea47	342	str_replace(["\r\n", "\r", "\n"], '', $entry->getContent()),
add597ba JB	343	implode(', ', $entry->getTags()->toArray()),
	344	$entry->getMimetype(),
	345	$entry->getLanguage(),
9401696f	346	$entry->getCreatedAt()->format('d/m/Y h:i:s'),
4094ea47	347	],
add597ba JB	348	$delimiter,
	349	$enclosure
	350	);
	351	}
	352
	353	rewind($handle);
	354	$output = stream_get_contents($handle);
	355	fclose($handle);
	356
	357	return Response::create(
	358	$output,
	359	200,
4094ea47	360	[
add597ba	361	'Content-type' => 'application/csv',
f808b016	362	'Content-Disposition' => 'attachment; filename="' . $this->title . '.csv"',
add597ba	363	'Content-Transfer-Encoding' => 'UTF-8',
4094ea47	364	]
f898102c	365	);
add597ba JB	366	}
add597ba JB	367
4094ea47 JB	368	/**
	369	* Dump a JSON file.
	370	*
	371	* @return Response
	372	*/
8f336fda	373	private function produceJson()
b3cc1a14	374	{
b3cc1a14	375	return Response::create(
8ac95cbf	376	$this->prepareSerializingContent('json'),
b3cc1a14	377	200,
4094ea47	378	[
b3cc1a14	379	'Content-type' => 'application/json',
f808b016	380	'Content-Disposition' => 'attachment; filename="' . $this->title . '.json"',
b3cc1a14	381	'Content-Transfer-Encoding' => 'UTF-8',
4094ea47	382	]
f898102c	383	);
b3cc1a14 TC	384	}
b3cc1a14 TC	385
4094ea47 JB	386	/**
	387	* Dump a XML file.
	388	*
	389	* @return Response
	390	*/
8f336fda	391	private function produceXml()
b3cc1a14	392	{
b3cc1a14	393	return Response::create(
8ac95cbf	394	$this->prepareSerializingContent('xml'),
b3cc1a14	395	200,
4094ea47	396	[
b3cc1a14	397	'Content-type' => 'application/xml',
f808b016	398	'Content-Disposition' => 'attachment; filename="' . $this->title . '.xml"',
b3cc1a14	399	'Content-Transfer-Encoding' => 'UTF-8',
4094ea47	400	]
f898102c	401	);
b3cc1a14	402	}
8ac95cbf	403
4094ea47 JB	404	/**
	405	* Dump a TXT file.
	406	*
	407	* @return Response
	408	*/
8f336fda	409	private function produceTxt()
6c08fb68 TC	410	{
6c08fb68 TC	411	$content = '';
d3f31ec4	412	$bar = str_repeat('=', 100);
6c08fb68	413	foreach ($this->entries as $entry) {
f808b016	414	$content .= "\n\n" . $bar . "\n\n" . $entry->getTitle() . "\n\n" . $bar . "\n\n";
c6608783 NH	415	$html = new Html2Text($entry->getContent(), ['do_links' => 'none', 'width' => 100]);
c6608783 NH	416	$content .= $html->getText();
6c08fb68	417	}
d3f31ec4	418
6c08fb68 TC	419	return Response::create(
	420	$content,
	421	200,
4094ea47	422	[
6c08fb68	423	'Content-type' => 'text/plain',
f808b016	424	'Content-Disposition' => 'attachment; filename="' . $this->title . '.txt"',
6c08fb68	425	'Content-Transfer-Encoding' => 'UTF-8',
4094ea47	426	]
f898102c	427	);
6c08fb68 TC	428	}
6c08fb68 TC	429
b3cc1a14 TC	430	/**
	431	* Return a Serializer object for producing processes that need it (JSON & XML).
	432	*
0e49487b JB	433	* @param string $format
0e49487b JB	434	*
52b84c11	435	* @return string
b3cc1a14	436	*/
8ac95cbf	437	private function prepareSerializingContent($format)
b3cc1a14	438	{
268e9e72	439	$serializer = SerializerBuilder::create()->build();
b3cc1a14	440
cceca9ea JB	441	return $serializer->serialize(
	442	$this->entries,
	443	$format,
4094ea47	444	SerializationContext::create()->setGroups(['entries_for_user'])
cceca9ea	445	);
b3cc1a14 TC	446	}
b3cc1a14 TC	447
add597ba JB	448	/**
	449	* Return a kind of footer / information for the epub.
	450	*
	451	* @param string $type Generator of the export, can be: tdpdf, PHPePub, PHPMobi
	452	*
	453	* @return string
	454	*/
	455	private function getExportInformation($type)
	456	{
b1428a1c NL	457	$info = $this->translator->trans('export.footer_template', [
	458	'%method%' => $type,
	459	]);
add597ba JB	460
add597ba JB	461	if ('tcpdf' === $type) {
f808b016	462	return str_replace('%IMAGE%', '<img src="' . $this->logoPath . '" />', $info);
03690d13	463	}
add597ba JB	464
add597ba JB	465	return str_replace('%IMAGE%', '', $info);
03690d13 TC	466	}
03690d13 TC	467	}