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

<?php

namespace Wallabag\CoreBundle\Helper;

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

/**
 * 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 = array();
    private $authors = array('wallabag');
    private $language = '';
    private $tags = array();
    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 $entries An array of entries or one entry
     */
    public function setEntries($entries)
    {
        if (!is_array($entries)) {
            $this->language = $entries->getLanguage();
            $entries = array($entries);
        }

        $this->entries = $entries;

        foreach ($entries as $entry) {
            $this->tags[] = $entry->getTags();
        }

        return $this;
    }

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

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

        return $this;
    }

    /**
     * Sets the output format.
     *
     * @param string $format
     */
    public function exportAs($format)
    {
        switch ($format) {
            case 'epub':
                return $this->produceEpub();

            case 'mobi':
                return $this->produceMobi();

            case 'pdf':
                return $this->producePDF();

            case 'csv':
                return $this->produceCSV();

            case 'json':
                return $this->produceJSON();

            case 'xml':
                return $this->produceXML();
        }

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

    /**
     * Use PHPePub to dump a .epub file.
     */
    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');

        foreach ($this->authors as $author) {
            $book->setAuthor($author, $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->addChapter('Notices', 'Cover2.html', $content_start.$this->getExportInformation('PHPePub').$bookEnd);

        $book->buildTOC();

        /*
         * Adding actual entries
         */

        // set tags as subjects
        foreach ($this->entries as $entry) {
            foreach ($this->tags as $tag) {
                $book->setSubject($tag['value']);
            }

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

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

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

        /*
         * Book metadata
         */
        $content->set('title', $this->title);
        $content->set('author', implode($this->authors));
        $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(
            $mobi->toString(),
            200,
            array(
                'Accept-Ranges' => 'bytes',
                'Content-Description' => 'File Transfer',
                'Content-type' => 'application/x-mobipocket-ebook',
                'Content-Disposition' => 'attachment; filename="'.$this->title.'.mobi"',
                'Content-Transfer-Encoding' => 'binary',
            )
        )->send();
    }

    /**
     * Use TCPDF to dump a .pdf file.
     */
    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('wallabag');
        $pdf->SetTitle($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 $entry) {
            foreach ($this->tags as $tag) {
                $pdf->SetKeywords($tag['value']);
            }

            $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(
            $pdf->Output('', 'S'),
            200,
            array(
                'Content-Description' => 'File Transfer',
                'Content-type' => 'application/pdf',
                'Content-Disposition' => 'attachment; filename="'.$this->title.'.pdf"',
                'Content-Transfer-Encoding' => 'binary',
            )
        )->send();
    }

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

        fputcsv($handle, array('Title', 'URL', 'Content', 'Tags', 'MIME Type', 'Language'), $delimiter, $enclosure);

        foreach ($this->entries as $entry) {
            fputcsv(
                $handle,
                array(
                    $entry->getTitle(),
                    $entry->getURL(),
                    // remove new line to avoid crazy results
                    str_replace(array("\r\n", "\r", "\n"), '', $entry->getContent()),
                    implode(', ', $entry->getTags()->toArray()),
                    $entry->getMimetype(),
                    $entry->getLanguage(),
                ),
                $delimiter,
                $enclosure
            );
        }

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

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

    private function produceJSON()
    {
        return Response::create(
            $this->prepareSerializingContent('json'),
            200,
            array(
                'Content-type' => 'application/json',
                'Content-Disposition' => 'attachment; filename="'.$this->title.'.json"',
                'Content-Transfer-Encoding' => 'UTF-8',
            )
        )->send();
    }

    private function produceXML()
    {
        return Response::create(
            $this->prepareSerializingContent('xml'),
            200,
            array(
                'Content-type' => 'application/xml',
                'Content-Disposition' => 'attachment; filename="'.$this->title.'.xml"',
                'Content-Transfer-Encoding' => 'UTF-8',
            )
        )->send();
    }

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

        return $serializer->serialize(
            $this->entries,
            $format,
            SerializationContext::create()->setGroups(array('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
	5	use PHPePub\Core\EPub;
	6	use PHPePub\Core\Structure\OPF\DublinCore;
add597ba	7	use Symfony\Component\HttpFoundation\Response;
268e9e72 TC	8	use JMS\Serializer;
	9	use JMS\Serializer\SerializerBuilder;
	10	use JMS\Serializer\SerializationContext;
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 = '';
	20	private $entries = array();
03690d13	21	private $authors = array('wallabag');
add597ba JB	22	private $language = '';
	23	private $tags = array();
	24	private $footerTemplate = '<div style="text-align:center;">
	25	<p>Produced by wallabag with %EXPORT_METHOD%</p>
	26	<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>
	27	</div';
03690d13	28
add597ba JB	29	/**
	30	* @param string $wallabagUrl Wallabag instance url
	31	* @param string $logoPath Path to the logo FROM THE BUNDLE SCOPE
	32	*/
	33	public function __construct($wallabagUrl, $logoPath)
03690d13	34	{
add597ba JB	35	$this->wallabagUrl = $wallabagUrl;
	36	$this->logoPath = $logoPath;
	37	}
	38
	39	/**
	40	* Define entries.
	41	*
	42	* @param array\|Entry $entries An array of entries or one entry
	43	*/
	44	public function setEntries($entries)
	45	{
	46	if (!is_array($entries)) {
	47	$this->language = $entries->getLanguage();
	48	$entries = array($entries);
	49	}
	50
03690d13 TC	51	$this->entries = $entries;
	52
	53	foreach ($entries as $entry) {
	54	$this->tags[] = $entry->getTags();
	55	}
add597ba JB	56
add597ba JB	57	return $this;
03690d13 TC	58	}
	59
	60	/**
	61	* Sets the category of which we want to get articles, or just one entry.
	62	*
	63	* @param string $method Method to get articles
	64	*/
add597ba	65	public function updateTitle($method)
03690d13	66	{
add597ba JB	67	$this->title = $method.' articles';
	68
	69	if ('entry' === $method) {
	70	$this->title = $this->entries[0]->getTitle();
03690d13	71	}
add597ba JB	72
add597ba JB	73	return $this;
03690d13 TC	74	}
	75
	76	/**
	77	* Sets the output format.
	78	*
	79	* @param string $format
	80	*/
	81	public function exportAs($format)
	82	{
add597ba	83	switch ($format) {
03690d13	84	case 'epub':
add597ba	85	return $this->produceEpub();
03690d13 TC	86
03690d13 TC	87	case 'mobi':
add597ba	88	return $this->produceMobi();
03690d13 TC	89
03690d13 TC	90	case 'pdf':
add597ba	91	return $this->producePDF();
03690d13 TC	92
03690d13 TC	93	case 'csv':
add597ba	94	return $this->produceCSV();
b3cc1a14 TC	95
	96	case 'json':
	97	return $this->produceJSON();
	98
	99	case 'xml':
	100	return $this->produceXML();
03690d13	101	}
add597ba JB	102
add597ba JB	103	throw new \InvalidArgumentException(sprintf('The format "%s" is not yet supported.', $format));
03690d13 TC	104	}
03690d13 TC	105
add597ba JB	106	/**
	107	* Use PHPePub to dump a .epub file.
	108	*/
03690d13 TC	109	private function produceEpub()
	110	{
	111	/*
	112	* Start and End of the book
	113	*/
	114	$content_start =
	115	"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
	116	."<html xmlns=\"http://www.w3.org/1999/xhtml\" xmlns:epub=\"http://www.idpf.org/2007/ops\">\n"
	117	.'<head>'
	118	."<meta http-equiv=\"Default-Style\" content=\"text/html; charset=utf-8\" />\n"
add597ba	119	."<title>wallabag articles book</title>\n"
03690d13 TC	120	."</head>\n"
	121	."<body>\n";
	122
	123	$bookEnd = "</body>\n</html>\n";
	124
	125	$book = new EPub(EPub::BOOK_VERSION_EPUB3);
	126
	127	/*
	128	* Book metadata
	129	*/
	130
	131	$book->setTitle($this->title);
add597ba JB	132	// Could also be the ISBN number, prefered for published books, or a UUID.
	133	$book->setIdentifier($this->title, EPub::IDENTIFIER_URI);
	134	// 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.
	135	$book->setLanguage($this->language);
	136	$book->setDescription('Some articles saved on my wallabag');
03690d13 TC	137
	138	foreach ($this->authors as $author) {
	139	$book->setAuthor($author, $author);
	140	}
	141
add597ba JB	142	// I hope this is a non existant address :)
	143	$book->setPublisher('wallabag', 'wallabag');
	144	// Strictly not needed as the book date defaults to time().
	145	$book->setDate(time());
	146	$book->setSourceURL($this->wallabagUrl);
03690d13 TC	147
	148	$book->addDublinCoreMetadata(DublinCore::CONTRIBUTOR, 'PHP');
	149	$book->addDublinCoreMetadata(DublinCore::CONTRIBUTOR, 'wallabag');
	150
	151	/*
	152	* Front page
	153	*/
add597ba JB	154	if (file_exists($this->logoPath)) {
	155	$book->setCoverImage('Cover.png', file_get_contents($this->logoPath), 'image/png');
	156	}
03690d13	157
add597ba	158	$book->addChapter('Notices', 'Cover2.html', $content_start.$this->getExportInformation('PHPePub').$bookEnd);
03690d13 TC	159
	160	$book->buildTOC();
	161
	162	/*
	163	* Adding actual entries
	164	*/
	165
add597ba JB	166	// set tags as subjects
	167	foreach ($this->entries as $entry) {
	168	foreach ($this->tags as $tag) {
	169	$book->setSubject($tag['value']);
	170	}
03690d13 TC	171
	172	$chapter = $content_start.$entry->getContent().$bookEnd;
	173	$book->addChapter($entry->getTitle(), htmlspecialchars($entry->getTitle()).'.html', $chapter, true, EPub::EXTERNAL_REF_ADD);
	174	}
add597ba JB	175
	176	return Response::create(
	177	$book->getBook(),
	178	200,
	179	array(
	180	'Content-Description' => 'File Transfer',
	181	'Content-type' => 'application/epub+zip',
	182	'Content-Disposition' => 'attachment; filename="'.$this->title.'.epub"',
	183	'Content-Transfer-Encoding' => 'binary',
	184	)
	185	)->send();
03690d13 TC	186	}
03690d13 TC	187
add597ba JB	188	/**
	189	* Use PHPMobi to dump a .mobi file.
	190	*/
03690d13 TC	191	private function produceMobi()
	192	{
	193	$mobi = new \MOBI();
	194	$content = new \MOBIFile();
	195
	196	/*
	197	* Book metadata
	198	*/
03690d13 TC	199	$content->set('title', $this->title);
	200	$content->set('author', implode($this->authors));
	201	$content->set('subject', $this->title);
	202
	203	/*
	204	* Front page
	205	*/
add597ba JB	206	$content->appendParagraph($this->getExportInformation('PHPMobi'));
	207	if (file_exists($this->logoPath)) {
	208	$content->appendImage(imagecreatefrompng($this->logoPath));
	209	}
03690d13 TC	210	$content->appendPageBreak();
	211
	212	/*
	213	* Adding actual entries
	214	*/
03690d13 TC	215	foreach ($this->entries as $entry) {
	216	$content->appendChapterTitle($entry->getTitle());
	217	$content->appendParagraph($entry->getContent());
	218	$content->appendPageBreak();
	219	}
	220	$mobi->setContentProvider($content);
	221
	222	// the browser inside Kindle Devices doesn't likes special caracters either, we limit to A-z/0-9
	223	$this->title = preg_replace('/[^A-Za-z0-9\-]/', '', $this->title);
	224
add597ba JB	225	return Response::create(
	226	$mobi->toString(),
	227	200,
	228	array(
	229	'Accept-Ranges' => 'bytes',
	230	'Content-Description' => 'File Transfer',
	231	'Content-type' => 'application/x-mobipocket-ebook',
	232	'Content-Disposition' => 'attachment; filename="'.$this->title.'.mobi"',
	233	'Content-Transfer-Encoding' => 'binary',
	234	)
	235	)->send();
03690d13 TC	236	}
03690d13 TC	237
add597ba JB	238	/**
	239	* Use TCPDF to dump a .pdf file.
	240	*/
03690d13 TC	241	private function producePDF()
	242	{
	243	$pdf = new \TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
	244
	245	/*
	246	* Book metadata
	247	*/
03690d13 TC	248	$pdf->SetCreator(PDF_CREATOR);
	249	$pdf->SetAuthor('wallabag');
	250	$pdf->SetTitle($this->title);
	251	$pdf->SetSubject('Articles via wallabag');
	252	$pdf->SetKeywords('wallabag');
	253
	254	/*
	255	* Front page
	256	*/
03690d13	257	$pdf->AddPage();
add597ba	258	$intro = '<h1>'.$this->title.'</h1>'.$this->getExportInformation('tcpdf');
03690d13 TC	259
	260	$pdf->writeHTMLCell(0, 0, '', '', $intro, 0, 1, 0, true, '', true);
	261
	262	/*
	263	* Adding actual entries
	264	*/
03690d13 TC	265	foreach ($this->entries as $entry) {
	266	foreach ($this->tags as $tag) {
	267	$pdf->SetKeywords($tag['value']);
	268	}
	269
	270	$pdf->AddPage();
	271	$html = '<h1>'.$entry->getTitle().'</h1>';
	272	$html .= $entry->getContent();
add597ba	273
03690d13 TC	274	$pdf->writeHTMLCell(0, 0, '', '', $html, 0, 1, 0, true, '', true);
	275	}
	276
	277	// set image scale factor
	278	$pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);
	279
add597ba JB	280	return Response::create(
	281	$pdf->Output('', 'S'),
	282	200,
	283	array(
	284	'Content-Description' => 'File Transfer',
	285	'Content-type' => 'application/pdf',
	286	'Content-Disposition' => 'attachment; filename="'.$this->title.'.pdf"',
	287	'Content-Transfer-Encoding' => 'binary',
	288	)
	289	)->send();
03690d13 TC	290	}
03690d13 TC	291
add597ba JB	292	/**
	293	* Inspired from CsvFileDumper.
	294	*/
03690d13 TC	295	private function produceCSV()
03690d13 TC	296	{
add597ba JB	297	$delimiter = ';';
	298	$enclosure = '"';
	299	$handle = fopen('php://memory', 'rb+');
03690d13	300
add597ba	301	fputcsv($handle, array('Title', 'URL', 'Content', 'Tags', 'MIME Type', 'Language'), $delimiter, $enclosure);
03690d13	302
03690d13	303	foreach ($this->entries as $entry) {
add597ba JB	304	fputcsv(
	305	$handle,
	306	array(
	307	$entry->getTitle(),
	308	$entry->getURL(),
cceca9ea JB	309	// remove new line to avoid crazy results
cceca9ea JB	310	str_replace(array("\r\n", "\r", "\n"), '', $entry->getContent()),
add597ba JB	311	implode(', ', $entry->getTags()->toArray()),
	312	$entry->getMimetype(),
	313	$entry->getLanguage(),
	314	),
	315	$delimiter,
	316	$enclosure
	317	);
	318	}
	319
	320	rewind($handle);
	321	$output = stream_get_contents($handle);
	322	fclose($handle);
	323
	324	return Response::create(
	325	$output,
	326	200,
	327	array(
	328	'Content-type' => 'application/csv',
	329	'Content-Disposition' => 'attachment; filename="'.$this->title.'.csv"',
	330	'Content-Transfer-Encoding' => 'UTF-8',
	331	)
	332	)->send();
	333	}
	334
b3cc1a14 TC	335	private function produceJSON()
b3cc1a14 TC	336	{
b3cc1a14	337	return Response::create(
8ac95cbf	338	$this->prepareSerializingContent('json'),
b3cc1a14 TC	339	200,
	340	array(
	341	'Content-type' => 'application/json',
	342	'Content-Disposition' => 'attachment; filename="'.$this->title.'.json"',
	343	'Content-Transfer-Encoding' => 'UTF-8',
	344	)
	345	)->send();
	346	}
	347
	348	private function produceXML()
	349	{
b3cc1a14	350	return Response::create(
8ac95cbf	351	$this->prepareSerializingContent('xml'),
b3cc1a14 TC	352	200,
	353	array(
	354	'Content-type' => 'application/xml',
	355	'Content-Disposition' => 'attachment; filename="'.$this->title.'.xml"',
	356	'Content-Transfer-Encoding' => 'UTF-8',
	357	)
	358	)->send();
	359	}
8ac95cbf	360
b3cc1a14 TC	361	/**
	362	* Return a Serializer object for producing processes that need it (JSON & XML).
	363	*
	364	* @return Serializer
	365	*/
8ac95cbf	366	private function prepareSerializingContent($format)
b3cc1a14	367	{
268e9e72	368	$serializer = SerializerBuilder::create()->build();
b3cc1a14	369
cceca9ea JB	370	return $serializer->serialize(
	371	$this->entries,
	372	$format,
	373	SerializationContext::create()->setGroups(array('entries_for_user'))
	374	);
b3cc1a14 TC	375	}
b3cc1a14 TC	376
add597ba JB	377	/**
	378	* Return a kind of footer / information for the epub.
	379	*
	380	* @param string $type Generator of the export, can be: tdpdf, PHPePub, PHPMobi
	381	*
	382	* @return string
	383	*/
	384	private function getExportInformation($type)
	385	{
	386	$info = str_replace('%EXPORT_METHOD%', $type, $this->footerTemplate);
	387
	388	if ('tcpdf' === $type) {
	389	return str_replace('%IMAGE%', '<img src="'.$this->logoPath.'" />', $info);
03690d13	390	}
add597ba JB	391
add597ba JB	392	return str_replace('%IMAGE%', '', $info);
03690d13 TC	393	}
03690d13 TC	394	}