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Current File : /var/www/html/pages/gateway/GatewayHandler.inc.php
<?php
/**
* @file pages/gateway/GatewayHandler.inc.php
*
* Copyright (c) 2014-2020 Simon Fraser University
* Copyright (c) 2003-2020 John Willinsky
* Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
*
* @class GatewayHandler
* @ingroup pages_gateway
*
* @brief Handle external gateway requests.
*/
import('classes.handler.Handler');
class GatewayHandler extends Handler {
var $plugin;
/**
* Constructor
*
* @param $request PKPRequest
*/
function __construct($request) {
parent::__construct();
$op = $request->getRouter()->getRequestedOp($request);
if ($op == 'plugin') {
$args = $request->getRouter()->getRequestedArgs($request);
$pluginName = array_shift($args);
$plugins = PluginRegistry::loadCategory('gateways');
if (!isset($plugins[$pluginName])) {
$request->getDispatcher()->handle404();
}
$this->plugin = $plugins[$pluginName];
foreach ($this->plugin->getPolicies($request) as $policy) {
$this->addPolicy($policy);
}
}
}
/**
* Index handler.
* @param $args array
* @param $request PKPRequest
*/
function index($args, $request) {
$request->redirect(null, 'index');
}
/**
* Display the LOCKSS manifest.
* @param $args array
* @param $request PKPRequest
*/
function lockss($args, $request) {
$this->validate();
$this->setupTemplate($request);
$journal = $request->getJournal();
$templateMgr = TemplateManager::getManager($request);
if ($journal != null) {
if (!$journal->getData('enableLockss')) {
$request->redirect(null, 'index');
}
$year = $request->getUserVar('year');
$issueDao = DAORegistry::getDAO('IssueDAO'); /* @var $issueDao IssueDAO */
// FIXME Should probably go in IssueDAO or a subclass
if (isset($year)) {
$year = (int)$year;
$result = $issueDao->retrieve(
'SELECT * FROM issues WHERE journal_id = ? AND year = ? AND published = 1 ORDER BY current DESC, year ASC, volume ASC, number ASC',
array($journal->getId(), $year)
);
if ($result->RecordCount() == 0) {
unset($year);
}
}
if (!isset($year)) {
$result = $issueDao->retrieve(
'SELECT MAX(year) FROM issues WHERE journal_id = ? AND published = 1',
$journal->getId()
);
list($year) = $result->fields;
$templateMgr->assign('showInfo', true);
}
$prevYear = $nextYear = null;
if (isset($year)) {
$result = $issueDao->retrieve(
'SELECT MAX(year) FROM issues WHERE journal_id = ? AND published = 1 AND year < ?',
array($journal->getId(), $year)
);
list($prevYear) = $result->fields;
$result = $issueDao->retrieve(
'SELECT MIN(year) FROM issues WHERE journal_id = ? AND published = 1 AND year > ?',
array($journal->getId(), $year)
);
list($nextYear) = $result->fields;
}
$issues = $issueDao->getPublishedIssuesByNumber($journal->getId(), null, null, $year);
$templateMgr->assign(array(
'journal' => $journal,
'year' => $year,
'prevYear' => $prevYear,
'nextYear' => $nextYear,
'issues' => $issues,
));
$locales = $journal->getSupportedLocaleNames();
if (!isset($locales) || empty($locales)) {
$localeNames = AppLocale::getAllLocales();
$primaryLocale = AppLocale::getPrimaryLocale();
$locales = array($primaryLocale => $localeNames[$primaryLocale]);
}
$templateMgr->assign('locales', $locales);
} else {
$journalDao = DAORegistry::getDAO('JournalDAO'); /* @var $journalDao JournalDAO */
$journals = $journalDao->getAll(true);
$templateMgr->assign('journals', $journals);
}
$templateMgr->display('gateway/lockss.tpl');
}
/**
* Display the CLOCKSS manifest.
* @param $args array
* @param $request PKPRequest
*/
function clockss($args, $request) {
$this->validate();
$this->setupTemplate($request);
$journal = $request->getJournal();
$templateMgr = TemplateManager::getManager($request);
if ($journal != null) {
if (!$journal->getData('enableClockss')) {
$request->redirect(null, 'index');
}
$year = $request->getUserVar('year');
$issueDao = DAORegistry::getDAO('IssueDAO'); /* @var $issueDao IssueDAO */
// FIXME Should probably go in IssueDAO or a subclass
if (isset($year)) {
$year = (int)$year;
$result = $issueDao->retrieve(
'SELECT * FROM issues WHERE journal_id = ? AND year = ? AND published = 1 ORDER BY current DESC, year ASC, volume ASC, number ASC',
array($journal->getId(), $year)
);
if ($result->RecordCount() == 0) {
unset($year);
}
}
if (!isset($year)) {
$result = $issueDao->retrieve(
'SELECT MAX(year) FROM issues WHERE journal_id = ? AND published = 1',
$journal->getId()
);
list($year) = $result->fields;
$issues = $issueDao->getPublishedIssuesByNumber($journal->getId(), null, null, $year);
$templateMgr->assign(array(
'issues' => $issues,
'showInfo' => true,
));
}
$prevYear = $nextYear = null;
if (isset($year)) {
$result = $issueDao->retrieve(
'SELECT MAX(year) FROM issues WHERE journal_id = ? AND published = 1 AND year < ?',
array($journal->getId(), $year)
);
list($prevYear) = $result->fields;
$result = $issueDao->retrieve(
'SELECT MIN(year) FROM issues WHERE journal_id = ? AND published = 1 AND year > ?',
array($journal->getId(), $year)
);
list($nextYear) = $result->fields;
}
$issues = $issueDao->getPublishedIssuesByNumber($journal->getId(), null, null, $year);
$templateMgr->assign(array(
'journal' => $journal,
'year' => $year,
'prevYear' => $prevYear,
'nextYear' => $nextYear,
'issues' => $issues,
));
$locales = $journal->getSupportedLocaleNames();
if (!isset($locales) || empty($locales)) {
$localeNames = AppLocale::getAllLocales();
$primaryLocale = AppLocale::getPrimaryLocale();
$locales = array($primaryLocale => $localeNames[$primaryLocale]);
}
$templateMgr->assign('locales', $locales);
} else {
$journalDao = DAORegistry::getDAO('JournalDAO'); /* @var $journalDao JournalDAO */
$journals = $journalDao->getAll(true);
$templateMgr->assign('journals', $journals);
}
$templateMgr->display('gateway/clockss.tpl');
}
/**
* Handle requests for gateway plugins.
* @param $args array
* @param $request PKPRequest
*/
function plugin($args, $request) {
$this->validate();
if (isset($this->plugin)) {
if (!$this->plugin->fetch(array_slice($args, 1), $request)) {
$request->redirect(null, 'index');
}
} else {
$request->redirect(null, 'index');
}
}
}
