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

<?php

namespace Wallabag\CoreBundle\Helper;

use JMS\Serializer;
use JMS\Serializer\SerializationContext;
use JMS\Serializer\SerializerBuilder;
use PHPePub\Core\EPub;
use PHPePub\Core\Structure\OPF\DublinCore;
use Symfony\Component\HttpFoundation\Response;

/**
 * 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 $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)
    {
        $this->wallabagUrl = $wallabagUrl;
        $this->logoPath = $logoPath;
    }

    /**
     * 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)
    {
        $this->author = $method.' authors';

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

        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";
            $content .= trim(preg_replace('/\s+/S', ' ', strip_tags($entry->getContent()))) . "\n\n";
        }

        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 $format
     *
     * @return Serializer
     */
    private function prepareSerializingContent($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 = str_replace('%EXPORT_METHOD%', $type, $this->footerTemplate);

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