[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 $authors = ['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 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 $entry) {
            foreach ($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);
        }

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