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ArticleXMLGalleyDAO.inc.php
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ArticleXMLGalleyDAO.inc.php
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<?php
/**
* @file ArticleXMLGalleyDAO.inc.php
*
* Copyright (c) 2011 Martin Paul Eve
* Distributed under the GNU GPL v2. For full terms see the file docs/COPYING.
*
* Portions copyright (c) 2003-2011 John Willinsky
*
* @class ArticleXMLGalleyDAO
* @ingroup plugins_generic_xmlGalley
*
* @brief Extended DAO methods for XML-derived galleys
* NB: These require access to a number of hooks in ArticleGalleyDAO
* to override the default methods; this is prime for refactoring!
*/
// $Id$
import('classes.article.ArticleGalleyDAO');
import('plugins.generic.meXml.ArticleXMLGalley');
class ArticleXMLGalleyDAO extends ArticleGalleyDAO {
/** @var $parentPluginName string Name of parent plugin */
var $parentPluginName;
/**
* Constructor
*/
function ArticleXMLGalleyDAO($parentPluginName) {
$this->parentPluginName = $parentPluginName;
parent::ArticleGalleyDAO();
}
/**
* Internal function to return an ArticleXMLGalley object from an XML galley Id
* @param $galleyId int
* @param $articleId int
* @return ArticleXMLGalley
*/
function _getXMLGalleyFromId($galleyId, $articleId = null) {
// get derived galley from DB
if (isset($articleId)) {
$result =& $this->retrieve(
'SELECT x.*,
x.galley_type AS file_type,
g.file_id,
g.html_galley,
g.style_file_id,
g.seq,
g.locale,
g.public_galley_id,
a.file_name,
a.original_file_name,
a.file_type,
a.file_size,
a.date_uploaded,
a.date_modified
FROM article_xml_galleys x
LEFT JOIN article_galleys g ON (x.galley_id = g.galley_id)
LEFT JOIN article_files a ON (g.file_id = a.file_id)
WHERE x.galley_id = ? AND
x.article_id = ?',
array((int) $galleyId, (int) $articleId)
);
} else {
$result =& $this->retrieve(
'SELECT x.*,
x.galley_type AS file_type,
g.file_id,
g.html_galley,
g.style_file_id,
g.seq,
g.locale,
g.public_galley_id,
a.file_name,
a.original_file_name,
a.file_type,
a.file_size,
a.date_uploaded,
a.date_modified
FROM article_xml_galleys x
LEFT JOIN article_galleys g ON (x.galley_id = g.galley_id)
LEFT JOIN article_files a ON (g.file_id = a.file_id)
WHERE x.galley_id = ?',
array((int) $galleyId)
);
}
// transform row into an ArticleXMLGalley object
if ($result->RecordCount() != 0) {
$articleGalley =& $this->_returnGalleyFromRow($result->GetRowAssoc(false));
$xmlGalleyPlugin =& PluginRegistry::getPlugin('generic', $this->parentPluginName);
$xmlGalley = $xmlGalleyPlugin->_returnXMLGalleyFromArticleGalley($articleGalley);
return $xmlGalley;
}
}
/**
* Append XML-derived galleys (eg. PDF) to the list of galleys for an article
*/
function appendXMLGalleys($hookName, $args) {
$galleys =& $args[0];
$articleId =& $args[1];
// we have to use this crazy loop because PHP4 can't access objects by reference in foreach()
reset($galleys);
while (list($key) = each($galleys)) {
$galley =& $galleys[$key];
// if the galley is an XML galley, append XML-derived galleys
if ($galley->getFileType() == "text/xml") {
// get derived galleys from DB for this article
$result =& $this->retrieve(
'SELECT galley_id
FROM article_xml_galleys x
WHERE x.galley_id = ? AND
x.article_id = ?
ORDER BY galley_id',
array($galley->getId(), $articleId)
);
$xmlGalleyPlugin =& PluginRegistry::getPlugin('generic', $this->parentPluginName);
$journal =& Request::getJournal();
while (!$result->EOF) {
$row = $result->GetRowAssoc(false);
$xmlGalley = $this->_getXMLGalleyFromId($row['galley_id'], $articleId);
$result->moveNext();
}
}
unset($galley);
}
return true;
}
/**
* Insert XML-derived galleys into article_xml_galleys
*/
function insertXMLGalleys($hookName, $args) {
$galley =& $args[0];
$galleyId =& $args[1];
// If the galley is an XML file, then insert rows in the article_xml_galleys table
if ($galley->getLabel() == "XML") {
// create an XHTML galley
$this->update(
'INSERT INTO article_xml_galleys
(galley_id, article_id, label, galley_type)
VALUES
(?, ?, ?, ?)',
array(
$galleyId,
$galley->getArticleId(),
'XHTML',
'application/xhtml+xml'
)
);
// if we have enabled XML-PDF galley generation (plugin setting)
// and are using the built-in NLM stylesheet, append a PDF galley as well
// this will insert a second corresponding entry into article_galleys first in order
// to circumvent bug #5152 by only ever having one galley per file
// insert the PDF/XML galley
$journal =& Request::getJournal();
$xmlGalleyPlugin =& PluginRegistry::getPlugin('generic', $this->parentPluginName);
if ($xmlGalleyPlugin->getSetting($journal->getId(), 'nlmPDF') == 1 &&
$xmlGalleyPlugin->getSetting($journal->getId(), 'XSLstylesheet') == 'NLM' ) {
// copy the XML file to a new location, as the basis for the PDF
//$articleFileManager = new ArticleFileManager($galley->getArticleId());
//$fileId = $articleFileManager->copyPublicFile($galley->getFilePath(), $fileType);
// instantiate a new galley file
$ArticleGalley = new ArticleXMLGalley('meXml');
$ArticleGalley->setArticleId($galley->getArticleId());
$ArticleGalley->setLabel('PDF');
$ArticleGalley->setLocale(Locale::getLocale());
$ArticleGalley->setFileId($galley->getFileId());
$ArticleGalley->setFileType('application/pdf');
$ArticleGalley->setType('public');
// before the insert, we have to clear the hooks, or we get an infinite loop
HookRegistry::clear('ArticleGalleyDAO::insertNewGalley');
// insert the galley
$galleyDao =& DAORegistry::getDAO('ArticleGalleyDAO');
$galleyDao->insertGalley($ArticleGalley);
// re-register the hook
HookRegistry::register('ArticleGalleyDAO::insertNewGalley', array(&$this, 'insertXMLGalleys') );
// create a PDF galley
$this->update(
'INSERT INTO article_xml_galleys
(galley_id, article_id, label, galley_type)
VALUES
(?, ?, ?, ?)',
array(
$ArticleGalley->getId(),
$galley->getArticleId(),
'PDF',
'application/pdf'
)
);
}
return true;
}
return false; }
/**
* Delete XML-derived galleys from article_xml_galleys
* when the XML galley is deleted
*/
function deleteXMLGalleys($hookName, $args) {
$galleyId =& $args[0];
$articleId =& $args[1];
if (isset($articleId)) {
$this->update(
'DELETE FROM article_xml_galleys WHERE galley_id = ? AND article_id = ?',
array($galleyId, $articleId)
);
} else {
$this->update(
'DELETE FROM article_xml_galleys WHERE galley_id = ?', $galleyId
);
}
}
/**
* Increment views on XML-derived galleys
*/
function incrementXMLViews($hookName, $args) {
$galleyId =& $args[0];
return $this->update(
'UPDATE article_xml_galleys SET views = views + 1 WHERE galley_id = ?',
$galleyId
);
}
}
?>