[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']);
            }

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

        return Response::create(
            $book->getBook(),
            200,
            [
                'Content-Description' => 'File Transfer',
                'Content-type' => 'application/epub+zip',
                'Content-Disposition' => 'attachment; filename="'.$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>
	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 TC	165
	166	$chapter = $content_start.$entry->getContent().$bookEnd;
	167	$book->addChapter($entry->getTitle(), htmlspecialchars($entry->getTitle()).'.html', $chapter, true, EPub::EXTERNAL_REF_ADD);
	168	}
add597ba JB	169
	170	return Response::create(
	171	$book->getBook(),
	172	200,
4094ea47	173	[
add597ba JB	174	'Content-Description' => 'File Transfer',
	175	'Content-type' => 'application/epub+zip',
	176	'Content-Disposition' => 'attachment; filename="'.$this->title.'.epub"',
	177	'Content-Transfer-Encoding' => 'binary',
4094ea47	178	]
f898102c	179	);
03690d13 TC	180	}
03690d13 TC	181
add597ba JB	182	/**
add597ba JB	183	* Use PHPMobi to dump a .mobi file.
4094ea47 JB	184	*
4094ea47 JB	185	* @return Response
add597ba	186	*/
03690d13 TC	187	private function produceMobi()
	188	{
	189	$mobi = new \MOBI();
	190	$content = new \MOBIFile();
	191
	192	/*
	193	* Book metadata
	194	*/
03690d13 TC	195	$content->set('title', $this->title);
	196	$content->set('author', implode($this->authors));
	197	$content->set('subject', $this->title);
	198
	199	/*
	200	* Front page
	201	*/
add597ba JB	202	$content->appendParagraph($this->getExportInformation('PHPMobi'));
	203	if (file_exists($this->logoPath)) {
	204	$content->appendImage(imagecreatefrompng($this->logoPath));
	205	}
03690d13 TC	206	$content->appendPageBreak();
	207
	208	/*
	209	* Adding actual entries
	210	*/
03690d13 TC	211	foreach ($this->entries as $entry) {
	212	$content->appendChapterTitle($entry->getTitle());
	213	$content->appendParagraph($entry->getContent());
	214	$content->appendPageBreak();
	215	}
	216	$mobi->setContentProvider($content);
	217
	218	// the browser inside Kindle Devices doesn't likes special caracters either, we limit to A-z/0-9
	219	$this->title = preg_replace('/[^A-Za-z0-9\-]/', '', $this->title);
	220
add597ba JB	221	return Response::create(
	222	$mobi->toString(),
	223	200,
4094ea47	224	[
add597ba JB	225	'Accept-Ranges' => 'bytes',
	226	'Content-Description' => 'File Transfer',
	227	'Content-type' => 'application/x-mobipocket-ebook',
	228	'Content-Disposition' => 'attachment; filename="'.$this->title.'.mobi"',
	229	'Content-Transfer-Encoding' => 'binary',
4094ea47	230	]
f898102c	231	);
03690d13 TC	232	}
03690d13 TC	233
add597ba JB	234	/**
add597ba JB	235	* Use TCPDF to dump a .pdf file.
4094ea47 JB	236	*
4094ea47 JB	237	* @return Response
add597ba	238	*/
8f336fda	239	private function producePdf()
03690d13 TC	240	{
	241	$pdf = new \TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
	242
	243	/*
	244	* Book metadata
	245	*/
03690d13 TC	246	$pdf->SetCreator(PDF_CREATOR);
	247	$pdf->SetAuthor('wallabag');
	248	$pdf->SetTitle($this->title);
	249	$pdf->SetSubject('Articles via wallabag');
	250	$pdf->SetKeywords('wallabag');
	251
	252	/*
	253	* Front page
	254	*/
03690d13	255	$pdf->AddPage();
add597ba	256	$intro = '<h1>'.$this->title.'</h1>'.$this->getExportInformation('tcpdf');
03690d13 TC	257
	258	$pdf->writeHTMLCell(0, 0, '', '', $intro, 0, 1, 0, true, '', true);
	259
	260	/*
	261	* Adding actual entries
	262	*/
03690d13 TC	263	foreach ($this->entries as $entry) {
	264	foreach ($this->tags as $tag) {
	265	$pdf->SetKeywords($tag['value']);
	266	}
	267
	268	$pdf->AddPage();
	269	$html = '<h1>'.$entry->getTitle().'</h1>';
	270	$html .= $entry->getContent();
add597ba	271
03690d13 TC	272	$pdf->writeHTMLCell(0, 0, '', '', $html, 0, 1, 0, true, '', true);
	273	}
	274
	275	// set image scale factor
	276	$pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);
	277
add597ba JB	278	return Response::create(
	279	$pdf->Output('', 'S'),
	280	200,
4094ea47	281	[
add597ba JB	282	'Content-Description' => 'File Transfer',
	283	'Content-type' => 'application/pdf',
	284	'Content-Disposition' => 'attachment; filename="'.$this->title.'.pdf"',
	285	'Content-Transfer-Encoding' => 'binary',
4094ea47	286	]
f898102c	287	);
03690d13 TC	288	}
03690d13 TC	289
add597ba JB	290	/**
add597ba JB	291	* Inspired from CsvFileDumper.
4094ea47 JB	292	*
4094ea47 JB	293	* @return Response
add597ba	294	*/
8f336fda	295	private function produceCsv()
03690d13	296	{
add597ba JB	297	$delimiter = ';';
	298	$enclosure = '"';
	299	$handle = fopen('php://memory', 'rb+');
03690d13	300
4094ea47	301	fputcsv($handle, ['Title', 'URL', 'Content', 'Tags', 'MIME Type', 'Language'], $delimiter, $enclosure);
03690d13	302
03690d13	303	foreach ($this->entries as $entry) {
add597ba JB	304	fputcsv(
add597ba JB	305	$handle,
4094ea47	306	[
add597ba JB	307	$entry->getTitle(),
add597ba JB	308	$entry->getURL(),
cceca9ea	309	// remove new line to avoid crazy results
4094ea47	310	str_replace(["\r\n", "\r", "\n"], '', $entry->getContent()),
add597ba JB	311	implode(', ', $entry->getTags()->toArray()),
	312	$entry->getMimetype(),
	313	$entry->getLanguage(),
4094ea47	314	],
add597ba JB	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	$output,
	326	200,
4094ea47	327	[
add597ba JB	328	'Content-type' => 'application/csv',
	329	'Content-Disposition' => 'attachment; filename="'.$this->title.'.csv"',
	330	'Content-Transfer-Encoding' => 'UTF-8',
4094ea47	331	]
f898102c	332	);
add597ba JB	333	}
add597ba JB	334
4094ea47 JB	335	/**
	336	* Dump a JSON file.
	337	*
	338	* @return Response
	339	*/
8f336fda	340	private function produceJson()
b3cc1a14	341	{
b3cc1a14	342	return Response::create(
8ac95cbf	343	$this->prepareSerializingContent('json'),
b3cc1a14	344	200,
4094ea47	345	[
b3cc1a14 TC	346	'Content-type' => 'application/json',
	347	'Content-Disposition' => 'attachment; filename="'.$this->title.'.json"',
	348	'Content-Transfer-Encoding' => 'UTF-8',
4094ea47	349	]
f898102c	350	);
b3cc1a14 TC	351	}
b3cc1a14 TC	352
4094ea47 JB	353	/**
	354	* Dump a XML file.
	355	*
	356	* @return Response
	357	*/
8f336fda	358	private function produceXml()
b3cc1a14	359	{
b3cc1a14	360	return Response::create(
8ac95cbf	361	$this->prepareSerializingContent('xml'),
b3cc1a14	362	200,
4094ea47	363	[
b3cc1a14 TC	364	'Content-type' => 'application/xml',
	365	'Content-Disposition' => 'attachment; filename="'.$this->title.'.xml"',
	366	'Content-Transfer-Encoding' => 'UTF-8',
4094ea47	367	]
f898102c	368	);
b3cc1a14	369	}
8ac95cbf	370
4094ea47 JB	371	/**
	372	* Dump a TXT file.
	373	*
	374	* @return Response
	375	*/
8f336fda	376	private function produceTxt()
6c08fb68 TC	377	{
6c08fb68 TC	378	$content = '';
d3f31ec4	379	$bar = str_repeat('=', 100);
6c08fb68	380	foreach ($this->entries as $entry) {
d3f31ec4 JB	381	$content .= "\n\n".$bar."\n\n".$entry->getTitle()."\n\n".$bar."\n\n";
d3f31ec4 JB	382	$content .= trim(preg_replace('/\s+/S', ' ', strip_tags($entry->getContent())))."\n\n";
6c08fb68	383	}
d3f31ec4	384
6c08fb68 TC	385	return Response::create(
	386	$content,
	387	200,
4094ea47	388	[
6c08fb68 TC	389	'Content-type' => 'text/plain',
	390	'Content-Disposition' => 'attachment; filename="'.$this->title.'.txt"',
	391	'Content-Transfer-Encoding' => 'UTF-8',
4094ea47	392	]
f898102c	393	);
6c08fb68 TC	394	}
6c08fb68 TC	395
b3cc1a14 TC	396	/**
	397	* Return a Serializer object for producing processes that need it (JSON & XML).
	398	*
0e49487b JB	399	* @param string $format
0e49487b JB	400	*
b3cc1a14 TC	401	* @return Serializer
b3cc1a14 TC	402	*/
8ac95cbf	403	private function prepareSerializingContent($format)
b3cc1a14	404	{
268e9e72	405	$serializer = SerializerBuilder::create()->build();
b3cc1a14	406
cceca9ea JB	407	return $serializer->serialize(
	408	$this->entries,
	409	$format,
4094ea47	410	SerializationContext::create()->setGroups(['entries_for_user'])
cceca9ea	411	);
b3cc1a14 TC	412	}
b3cc1a14 TC	413
add597ba JB	414	/**
	415	* Return a kind of footer / information for the epub.
	416	*
	417	* @param string $type Generator of the export, can be: tdpdf, PHPePub, PHPMobi
	418	*
	419	* @return string
	420	*/
	421	private function getExportInformation($type)
	422	{
	423	$info = str_replace('%EXPORT_METHOD%', $type, $this->footerTemplate);
	424
	425	if ('tcpdf' === $type) {
	426	return str_replace('%IMAGE%', '<img src="'.$this->logoPath.'" />', $info);
03690d13	427	}
add597ba JB	428
add597ba JB	429	return str_replace('%IMAGE%', '', $info);
03690d13 TC	430	}
03690d13 TC	431	}