CitationStyleLanguageHandler.inc.php

<?php
 
import('classes.handler.Handler');
 
class CitationStyleLanguageHandler extends Handler {
   public $article = null;
 
   public $publication = null;
 
   public $issue = null;
 
   public $citationStyle = '';
 
   public $returnJson = false;
 
   public function get($args, $request) {
      $this->_setupRequest($args, $request);
 
      $plugin = PluginRegistry::getPlugin('generic', 'citationstylelanguageplugin');
      $citation = $plugin->getCitation($request, $this->article, $this->citationStyle, $this->issue, $this->publication);
 
      if ($citation === false ) {
         if ($this->returnJson) {
            return new JSONMessage(false);
         }
         exit;
      }
 
      if ($this->returnJson) {
         return new JSONMessage(true, $citation);
      }
 
      echo $citation;
      exit;
   }
 
   public function download($args, $request) {
      $this->_setupRequest($args, $request);
 
      $plugin = PluginRegistry::getPlugin('generic', 'citationstylelanguageplugin');
      $plugin->downloadCitation($request, $this->article, $this->citationStyle, $this->issue, $this->publication);
      exit;
   }
 
   public function _setupRequest($args, $request) {
      $userVars = $request->getUserVars();
      $user = $request->getUser();
      $context = $request->getContext();
 
      if (empty($userVars['submissionId']) || !$context || empty($args)) {
         $request->getDispatcher()->handle404();
      }
 
      // Load plugin categories which might need to add data to the citation
      PluginRegistry::loadCategory('pubIds', true);
      PluginRegistry::loadCategory('metadata', true);
 
      $this->citationStyle = $args[0];
      $this->returnJson = isset($userVars['return']) && $userVars['return'] === 'json';
      $this->article = Services::get('submission')->get($userVars['submissionId']);
 
      if (!$this->article) {
         $request->getDispatcher()->handle404();
      }
 
      $this->publication = !empty($userVars['publicationId'])
         ? Services::get('publication')->get($userVars['publicationId'])
         : $this->article->getCurrentPublication();
 
      if ($this->article) {
         $issueDao = DAORegistry::getDAO('IssueDAO');
         // Support OJS 3.1.x and 3.2
         $issueId = method_exists($this->article, 'getCurrentPublication') ? $this->article->getCurrentPublication()->getData('issueId') : $this->article->getIssueId();
         $this->issue = $issueDao->getById($issueId, $context->getId());
      }
 
      // Disallow access to unpublished submissions, unless the user is a
      // journal manager or an assigned subeditor or assistant. This ensures the
      // article preview will work for those who can see it.
      if (!$this->issue || !$this->issue->getPublished() || $this->article->getStatus() != STATUS_PUBLISHED) {
         $userCanAccess = false;
 
         if ($user && $user->hasRole([ROLE_ID_SUB_EDITOR, ROLE_ID_ASSISTANT], $context->getId())) {
            $isAssigned = false;
            $userGroupDao = DAORegistry::getDAO('UserGroupDAO');
            $stageAssignmentDao = DAORegistry::getDAO('StageAssignmentDAO');
            $assignments = $stageAssignmentDao->getBySubmissionAndStageId($this->article->getId());
            foreach ($assignments as $assignment) {
               if ($assignment->getUser()->getId() !== $user->getId()) {
                  continue;
               }
               $userGroup = $userGroupDao->getById($assignment->getUserGroupId($context->getId()));
               if (in_array($userGroup->getRoleId(), [ROLE_ID_SUB_EDITOR, ROLE_ID_ASSISTANT])) {
                  $userCanAccess = true;
                  break;
               }
            }
         }
 
         if ($user && $user->hasRole(ROLE_ID_MANAGER, $context->getId())) {
            $userCanAccess = true;
         }
 
         if (!$userCanAccess) {
            $request->getDispatcher()->handle404();
         }
      }
   }
}