[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 just one entry.
     *
     * @param string $method Method to get articles
     *
     * @return EntriesExport
     */
    public function updateAuthor($method)
    {
        $this->author = $method.' authors';

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