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<?php
/**
* @file ResolverPlugin.inc.php
*
* Copyright (c) 2003-2009 John Willinsky
* Distributed under the GNU GPL v2. For full terms see the file docs/COPYING.
*
* @class ResolverPlugin
* @ingroup plugins_gateways_resolver
*
* @brief Simple resolver gateway plugin
*/
// $Id$
import('classes.plugins.GatewayPlugin');
class ResolverPlugin extends GatewayPlugin {
/**
* Called as a plugin is registered to the registry
* @param $category String Name of category plugin was registered to
* @return boolean True iff plugin initialized successfully; if false,
* the plugin will not be registered.
*/
function register($category, $path) {
$success = parent::register($category, $path);
$this->addLocaleData();
return $success;
}
/**
* Get the name of the settings file to be installed on new journal
* creation.
* @return string
*/
function getNewJournalPluginSettingsFile() {
return $this->getPluginPath() . '/settings.xml';
}
/**
* Get the name of this plugin. The name must be unique within
* its category.
* @return String name of plugin
*/
function getName() {
return 'ResolverPlugin';
}
function getDisplayName() {
return Locale::translate('plugins.gateways.resolver.displayName');
}
function getDescription() {
return Locale::translate('plugins.gateways.resolver.description');
}
/**
* Handle fetch requests for this plugin.
*/
function fetch($args) {
if (!$this->getEnabled()) {
return false;
}
$scheme = array_shift($args);
switch ($scheme) {
case 'vnp': // Volume, number, page
case 'ynp': // Volume, number, year, page
// This can only be used from within a journal context
$journal =& Request::getJournal();
if (!$journal) break;
if ($scheme == 'vnp') {
$volume = (int) array_shift($args);
$year = null;
} elseif ($scheme == 'ynp') {
$year = (int) array_shift($args);
$volume = null;
}
$number = array_shift($args);
$page = (int) array_shift($args);
$issueDao =& DAORegistry::getDAO('IssueDAO');
$issues =& $issueDao->getPublishedIssuesByNumber($journal->getJournalId(), $volume, $number, $year);
// Ensure only one issue matched, and fetch it.
$issue =& $issues->next();
if (!$issue || $issues->next()) break;
unset($issues);
$publishedArticleDao =& DAORegistry::getDAO('PublishedArticleDAO');
$articles =& $publishedArticleDao->getPublishedArticles($issue->getIssueId());
foreach ($articles as $article) {
// Look for the correct page in the list of articles.
$matches = null;
if (String::regexp_match_get('/^[Pp][Pp]?[.]?[ ]?(\d+)$/', $article->getPages(), $matches)) {
$matchedPage = $matches[1];
if ($page == $matchedPage) Request::redirect(null, 'article', 'view', $article->getBestArticleId());
}
if (String::regexp_match_get('/^[Pp][Pp]?[.]?[ ]?(\d+)[ ]?-[ ]?([Pp][Pp]?[.]?[ ]?)?(\d+)$/', $article->getPages(), $matches)) {
$matchedPageFrom = $matches[1];
$matchedPageTo = $matches[3];
if ($page >= $matchedPageFrom && ($page < $matchedPageTo || ($page == $matchedPageTo && $matchedPageFrom = $matchedPageTo))) Request::redirect(null, 'article', 'view', $article->getBestArticleId());
}
unset($article);
}
}
// Failure.
header("HTTP/1.0 500 Internal Server Error");
$templateMgr =& TemplateManager::getManager();
$templateMgr->assign('message', 'plugins.gateways.resolver.errors.errorMessage');
$templateMgr->display('common/message.tpl');
exit;
}
function sanitize($string) {
return str_replace("\t", " ", strip_tags($string));
}
function exportHoldings() {
$journalDao =& DAORegistry::getDAO('JournalDAO');
$issueDao =& DAORegistry::getDAO('IssueDAO');
$journals =& $journalDao->getEnabledJournals();
header('content-type: text/plain');
header('content-disposition: attachment; filename=holdings.txt');
echo "title\tissn\te_issn\tstart_date\tend_date\tembargo_months\tembargo_days\tjournal_url\tvol_start\tvol_end\tiss_start\tiss_end\n";
while ($journal =& $journals->next()) {
$issues =& $issueDao->getPublishedIssues($journal->getJournalId());
$startDate = $endDate = null;
$startNumber = $endNumber = null;
$startVolume = $endVolume = null;
while ($issue =& $issues->next()) {
$datePublished = $issue->getDatePublished();
if ($datePublished !== null) $datePublished = strtotime($datePublished);
if ($startDate === null || $startDate > $datePublished) $startDate = $datePublished;
if ($endDate === null || $endDate < $datePublished) $endDate = $datePublished;
$volume = $issue->getVolume();
if ($startVolume === null || $startVolume > $volume) $startVolume = $volume;
if ($endVolume === null || $endVolume < $volume) $endVolume = $volume;
$number = $issue->getNumber();
if ($startNumber === null || $startNumber > $number) $startNumber = $number;
if ($endNumber === null || $endNumber < $number) $endNumber = $number;
unset($issue);
}
unset($issues);
echo $this->sanitize($journal->getJournalTitle()) . "\t";
echo $this->sanitize($journal->getSetting('printIssn')) . "\t";
echo $this->sanitize($journal->getSetting('onlineIssn')) . "\t";
echo $this->sanitize($startDate===null?'':strftime('%Y-%m-%d', $startDate)) . "\t"; // start_date
echo $this->sanitize($endDate===null?'':strftime('%Y-%m-%d', $endDate)) . "\t"; // end_date
echo $this->sanitize('') . "\t"; // embargo_months
echo $this->sanitize('') . "\t"; // embargo_days
echo Request::url($journal->getPath()) . "\t"; // journal_url
echo $this->sanitize($startVolume) . "\t"; // vol_start
echo $this->sanitize($endVolume) . "\t"; // vol_end
echo $this->sanitize($startNumber) . "\t"; // iss_start
echo $this->sanitize($endNumber) . "\n"; // iss_end
unset($journal);
}
}
function getManagementVerbs() {
$verbs = parent::getManagementVerbs();
if (Validation::isSiteAdmin() && $this->getEnabled()) {
$verbs[] = array(
'exportHoldings',
Locale::translate('plugins.gateways.resolver.exportHoldings')
);
}
return $verbs;
}
function manage($verb, $args) {
switch ($verb) {
case 'exportHoldings':
if (Validation::isSiteAdmin() && $this->getEnabled()) {
$this->exportHoldings();
return true;
}
break;
}
return parent::manage($verb, $args);
}
}
?>
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