GatewayHandler.inc.php

<?php
 
import('classes.handler.Handler');
 
class GatewayHandler extends Handler {
 
   var $plugin;
 
   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);
         }
      }
   }
 
   function index($args, $request) {
      $request->redirect(null, 'index');
   }
 
   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');
   }
 
   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');
   }
 
   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');
      }
   }
}