[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;
use Craue\ConfigBundle\Util\Config;

/**
 * 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 $authors = ['wallabag'];
    private $language = '';
    private $tags = [];
    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 Config $craueConfig CraueConfig instance to get wallabag instance url from database
     * @param string $logoPath    Path to the logo FROM THE BUNDLE SCOPE
     */
    public function __construct(Config $craueConfig, $logoPath)
    {
        $this->wallabagUrl = $craueConfig->get('wallabag_url');
        $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;

        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 $method Method to get articles
     *
     * @return EntriesExport
     */
    public function updateTitle($method)
    {
        $this->title = $method.' articles';

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

        return $this;
    }

    /**
     * Sets the output format.
     *
     * @param string $format
     *
     * @return Response
     */
    public function exportAs($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));
    }

    /**
     * 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');

        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']);
            }

            // 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);
        }

        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);
        $content->set('author', implode($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(
            $mobi->toString(),
            200,
            [
                'Accept-Ranges' => 'bytes',
                'Content-Description' => 'File Transfer',
                'Content-type' => 'application/x-mobipocket-ebook',
                'Content-Disposition' => 'attachment; filename="'.$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('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(
            $pdf->Output('', 'S'),
            200,
            [
                'Content-Description' => 'File Transfer',
                'Content-type' => 'application/pdf',
                'Content-Disposition' => 'attachment; filename="'.$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'], $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(),
                ],
                $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;
63e40f2d	11	use Craue\ConfigBundle\Util\Config;
03690d13	12
cceca9ea JB	13	/**
	14	* This class doesn't have unit test BUT it's fully covered by a functional test with ExportControllerTest.
	15	*/
03690d13 TC	16	class EntriesExport
03690d13 TC	17	{
add597ba JB	18	private $wallabagUrl;
	19	private $logoPath;
	20	private $title = '';
4094ea47 JB	21	private $entries = [];
4094ea47 JB	22	private $authors = ['wallabag'];
add597ba	23	private $language = '';
4094ea47	24	private $tags = [];
add597ba JB	25	private $footerTemplate = '<div style="text-align:center;">
	26	<p>Produced by wallabag with %EXPORT_METHOD%</p>
	27	<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	28	</div>';
03690d13	29
add597ba	30	/**
63e40f2d	31	* @param Config $craueConfig CraueConfig instance to get wallabag instance url from database
add597ba JB	32	* @param string $logoPath Path to the logo FROM THE BUNDLE SCOPE
add597ba JB	33	*/
63e40f2d	34	public function __construct(Config $craueConfig, $logoPath)
03690d13	35	{
63e40f2d	36	$this->wallabagUrl = $craueConfig->get('wallabag_url');
add597ba JB	37	$this->logoPath = $logoPath;
	38	}
	39
	40	/**
	41	* Define entries.
	42	*
	43	* @param array\|Entry $entries An array of entries or one entry
4094ea47 JB	44	*
4094ea47 JB	45	* @return EntriesExport
add597ba JB	46	*/
	47	public function setEntries($entries)
	48	{
	49	if (!is_array($entries)) {
	50	$this->language = $entries->getLanguage();
4094ea47	51	$entries = [$entries];
add597ba JB	52	}
add597ba JB	53
03690d13 TC	54	$this->entries = $entries;
	55
	56	foreach ($entries as $entry) {
	57	$this->tags[] = $entry->getTags();
	58	}
add597ba JB	59
add597ba JB	60	return $this;
03690d13 TC	61	}
	62
	63	/**
	64	* Sets the category of which we want to get articles, or just one entry.
	65	*
	66	* @param string $method Method to get articles
4094ea47 JB	67	*
4094ea47 JB	68	* @return EntriesExport
03690d13	69	*/
add597ba	70	public function updateTitle($method)
03690d13	71	{
add597ba JB	72	$this->title = $method.' articles';
	73
	74	if ('entry' === $method) {
	75	$this->title = $this->entries[0]->getTitle();
03690d13	76	}
add597ba JB	77
add597ba JB	78	return $this;
03690d13 TC	79	}
	80
	81	/**
	82	* Sets the output format.
	83	*
	84	* @param string $format
4094ea47 JB	85	*
4094ea47 JB	86	* @return Response
03690d13 TC	87	*/
	88	public function exportAs($format)
	89	{
8f336fda JB	90	$functionName = 'produce'.ucfirst($format);
	91	if (method_exists($this, $functionName)) {
	92	return $this->$functionName();
03690d13	93	}
add597ba JB	94
add597ba JB	95	throw new \InvalidArgumentException(sprintf('The format "%s" is not yet supported.', $format));
03690d13 TC	96	}
03690d13 TC	97
add597ba JB	98	/**
add597ba JB	99	* Use PHPePub to dump a .epub file.
4094ea47 JB	100	*
4094ea47 JB	101	* @return Response
add597ba	102	*/
03690d13 TC	103	private function produceEpub()
	104	{
	105	/*
	106	* Start and End of the book
	107	*/
	108	$content_start =
	109	"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
	110	."<html xmlns=\"http://www.w3.org/1999/xhtml\" xmlns:epub=\"http://www.idpf.org/2007/ops\">\n"
	111	.'<head>'
	112	."<meta http-equiv=\"Default-Style\" content=\"text/html; charset=utf-8\" />\n"
add597ba	113	."<title>wallabag articles book</title>\n"
03690d13 TC	114	."</head>\n"
	115	."<body>\n";
	116
	117	$bookEnd = "</body>\n</html>\n";
	118
	119	$book = new EPub(EPub::BOOK_VERSION_EPUB3);
	120
	121	/*
	122	* Book metadata
	123	*/
	124
	125	$book->setTitle($this->title);
add597ba JB	126	// Could also be the ISBN number, prefered for published books, or a UUID.
	127	$book->setIdentifier($this->title, EPub::IDENTIFIER_URI);
	128	// 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.
	129	$book->setLanguage($this->language);
	130	$book->setDescription('Some articles saved on my wallabag');
03690d13 TC	131
	132	foreach ($this->authors as $author) {
	133	$book->setAuthor($author, $author);
	134	}
	135
add597ba JB	136	// I hope this is a non existant address :)
	137	$book->setPublisher('wallabag', 'wallabag');
	138	// Strictly not needed as the book date defaults to time().
	139	$book->setDate(time());
	140	$book->setSourceURL($this->wallabagUrl);
03690d13 TC	141
	142	$book->addDublinCoreMetadata(DublinCore::CONTRIBUTOR, 'PHP');
	143	$book->addDublinCoreMetadata(DublinCore::CONTRIBUTOR, 'wallabag');
	144
	145	/*
	146	* Front page
	147	*/
add597ba JB	148	if (file_exists($this->logoPath)) {
	149	$book->setCoverImage('Cover.png', file_get_contents($this->logoPath), 'image/png');
	150	}
03690d13	151
add597ba	152	$book->addChapter('Notices', 'Cover2.html', $content_start.$this->getExportInformation('PHPePub').$bookEnd);
03690d13 TC	153
	154	$book->buildTOC();
	155
	156	/*
	157	* Adding actual entries
	158	*/
	159
add597ba JB	160	// set tags as subjects
	161	foreach ($this->entries as $entry) {
	162	foreach ($this->tags as $tag) {
	163	$book->setSubject($tag['value']);
	164	}
03690d13	165
45d94a98 ÉG	166	// the reader in Kobo Devices doesn't likes special caracters
	167	// in filenames, we limit to A-z/0-9
	168	$filename = preg_replace('/[^A-Za-z0-9\-]/', '', $entry->getTitle());
	169
03690d13	170	$chapter = $content_start.$entry->getContent().$bookEnd;
45d94a98	171	$book->addChapter($entry->getTitle(), htmlspecialchars($filename).'.html', $chapter, true, EPub::EXTERNAL_REF_ADD);
03690d13	172	}
add597ba JB	173
	174	return Response::create(
	175	$book->getBook(),
	176	200,
4094ea47	177	[
add597ba JB	178	'Content-Description' => 'File Transfer',
	179	'Content-type' => 'application/epub+zip',
	180	'Content-Disposition' => 'attachment; filename="'.$this->title.'.epub"',
	181	'Content-Transfer-Encoding' => 'binary',
4094ea47	182	]
f898102c	183	);
03690d13 TC	184	}
03690d13 TC	185
add597ba JB	186	/**
add597ba JB	187	* Use PHPMobi to dump a .mobi file.
4094ea47 JB	188	*
4094ea47 JB	189	* @return Response
add597ba	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	$mobi->toString(),
	227	200,
4094ea47	228	[
add597ba JB	229	'Accept-Ranges' => 'bytes',
	230	'Content-Description' => 'File Transfer',
	231	'Content-type' => 'application/x-mobipocket-ebook',
	232	'Content-Disposition' => 'attachment; filename="'.$this->title.'.mobi"',
	233	'Content-Transfer-Encoding' => 'binary',
4094ea47	234	]
f898102c	235	);
03690d13 TC	236	}
03690d13 TC	237
add597ba JB	238	/**
add597ba JB	239	* Use TCPDF to dump a .pdf file.
4094ea47 JB	240	*
4094ea47 JB	241	* @return Response
add597ba	242	*/
8f336fda	243	private function producePdf()
03690d13 TC	244	{
	245	$pdf = new \TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
	246
	247	/*
	248	* Book metadata
	249	*/
03690d13 TC	250	$pdf->SetCreator(PDF_CREATOR);
	251	$pdf->SetAuthor('wallabag');
	252	$pdf->SetTitle($this->title);
	253	$pdf->SetSubject('Articles via wallabag');
	254	$pdf->SetKeywords('wallabag');
	255
	256	/*
	257	* Front page
	258	*/
03690d13	259	$pdf->AddPage();
add597ba	260	$intro = '<h1>'.$this->title.'</h1>'.$this->getExportInformation('tcpdf');
03690d13 TC	261
	262	$pdf->writeHTMLCell(0, 0, '', '', $intro, 0, 1, 0, true, '', true);
	263
	264	/*
	265	* Adding actual entries
	266	*/
03690d13 TC	267	foreach ($this->entries as $entry) {
	268	foreach ($this->tags as $tag) {
	269	$pdf->SetKeywords($tag['value']);
	270	}
	271
	272	$pdf->AddPage();
	273	$html = '<h1>'.$entry->getTitle().'</h1>';
	274	$html .= $entry->getContent();
add597ba	275
03690d13 TC	276	$pdf->writeHTMLCell(0, 0, '', '', $html, 0, 1, 0, true, '', true);
	277	}
	278
	279	// set image scale factor
	280	$pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);
	281
add597ba JB	282	return Response::create(
	283	$pdf->Output('', 'S'),
	284	200,
4094ea47	285	[
add597ba JB	286	'Content-Description' => 'File Transfer',
	287	'Content-type' => 'application/pdf',
	288	'Content-Disposition' => 'attachment; filename="'.$this->title.'.pdf"',
	289	'Content-Transfer-Encoding' => 'binary',
4094ea47	290	]
f898102c	291	);
03690d13 TC	292	}
03690d13 TC	293
add597ba JB	294	/**
add597ba JB	295	* Inspired from CsvFileDumper.
4094ea47 JB	296	*
4094ea47 JB	297	* @return Response
add597ba	298	*/
8f336fda	299	private function produceCsv()
03690d13	300	{
add597ba JB	301	$delimiter = ';';
	302	$enclosure = '"';
	303	$handle = fopen('php://memory', 'rb+');
03690d13	304
4094ea47	305	fputcsv($handle, ['Title', 'URL', 'Content', 'Tags', 'MIME Type', 'Language'], $delimiter, $enclosure);
03690d13	306
03690d13	307	foreach ($this->entries as $entry) {
add597ba JB	308	fputcsv(
add597ba JB	309	$handle,
4094ea47	310	[
add597ba JB	311	$entry->getTitle(),
add597ba JB	312	$entry->getURL(),
cceca9ea	313	// remove new line to avoid crazy results
4094ea47	314	str_replace(["\r\n", "\r", "\n"], '', $entry->getContent()),
add597ba JB	315	implode(', ', $entry->getTags()->toArray()),
	316	$entry->getMimetype(),
	317	$entry->getLanguage(),
4094ea47	318	],
add597ba JB	319	$delimiter,
	320	$enclosure
	321	);
	322	}
	323
	324	rewind($handle);
	325	$output = stream_get_contents($handle);
	326	fclose($handle);
	327
	328	return Response::create(
	329	$output,
	330	200,
4094ea47	331	[
add597ba JB	332	'Content-type' => 'application/csv',
	333	'Content-Disposition' => 'attachment; filename="'.$this->title.'.csv"',
	334	'Content-Transfer-Encoding' => 'UTF-8',
4094ea47	335	]
f898102c	336	);
add597ba JB	337	}
add597ba JB	338
4094ea47 JB	339	/**
	340	* Dump a JSON file.
	341	*
	342	* @return Response
	343	*/
8f336fda	344	private function produceJson()
b3cc1a14	345	{
b3cc1a14	346	return Response::create(
8ac95cbf	347	$this->prepareSerializingContent('json'),
b3cc1a14	348	200,
4094ea47	349	[
b3cc1a14 TC	350	'Content-type' => 'application/json',
	351	'Content-Disposition' => 'attachment; filename="'.$this->title.'.json"',
	352	'Content-Transfer-Encoding' => 'UTF-8',
4094ea47	353	]
f898102c	354	);
b3cc1a14 TC	355	}
b3cc1a14 TC	356
4094ea47 JB	357	/**
	358	* Dump a XML file.
	359	*
	360	* @return Response
	361	*/
8f336fda	362	private function produceXml()
b3cc1a14	363	{
b3cc1a14	364	return Response::create(
8ac95cbf	365	$this->prepareSerializingContent('xml'),
b3cc1a14	366	200,
4094ea47	367	[
b3cc1a14 TC	368	'Content-type' => 'application/xml',
	369	'Content-Disposition' => 'attachment; filename="'.$this->title.'.xml"',
	370	'Content-Transfer-Encoding' => 'UTF-8',
4094ea47	371	]
f898102c	372	);
b3cc1a14	373	}
8ac95cbf	374
4094ea47 JB	375	/**
	376	* Dump a TXT file.
	377	*
	378	* @return Response
	379	*/
8f336fda	380	private function produceTxt()
6c08fb68 TC	381	{
6c08fb68 TC	382	$content = '';
d3f31ec4	383	$bar = str_repeat('=', 100);
6c08fb68	384	foreach ($this->entries as $entry) {
d3f31ec4 JB	385	$content .= "\n\n".$bar."\n\n".$entry->getTitle()."\n\n".$bar."\n\n";
d3f31ec4 JB	386	$content .= trim(preg_replace('/\s+/S', ' ', strip_tags($entry->getContent())))."\n\n";
6c08fb68	387	}
d3f31ec4	388
6c08fb68 TC	389	return Response::create(
	390	$content,
	391	200,
4094ea47	392	[
6c08fb68 TC	393	'Content-type' => 'text/plain',
	394	'Content-Disposition' => 'attachment; filename="'.$this->title.'.txt"',
	395	'Content-Transfer-Encoding' => 'UTF-8',
4094ea47	396	]
f898102c	397	);
6c08fb68 TC	398	}
6c08fb68 TC	399
b3cc1a14 TC	400	/**
	401	* Return a Serializer object for producing processes that need it (JSON & XML).
	402	*
0e49487b JB	403	* @param string $format
0e49487b JB	404	*
b3cc1a14 TC	405	* @return Serializer
b3cc1a14 TC	406	*/
8ac95cbf	407	private function prepareSerializingContent($format)
b3cc1a14	408	{
268e9e72	409	$serializer = SerializerBuilder::create()->build();
b3cc1a14	410
cceca9ea JB	411	return $serializer->serialize(
	412	$this->entries,
	413	$format,
4094ea47	414	SerializationContext::create()->setGroups(['entries_for_user'])
cceca9ea	415	);
b3cc1a14 TC	416	}
b3cc1a14 TC	417
add597ba JB	418	/**
	419	* Return a kind of footer / information for the epub.
	420	*
	421	* @param string $type Generator of the export, can be: tdpdf, PHPePub, PHPMobi
	422	*
	423	* @return string
	424	*/
	425	private function getExportInformation($type)
	426	{
	427	$info = str_replace('%EXPORT_METHOD%', $type, $this->footerTemplate);
	428
	429	if ('tcpdf' === $type) {
	430	return str_replace('%IMAGE%', '<img src="'.$this->logoPath.'" />', $info);
03690d13	431	}
add597ba JB	432
add597ba JB	433	return str_replace('%IMAGE%', '', $info);
03690d13 TC	434	}
03690d13 TC	435	}