adding a basic search page, which create event list

ref #10 ref #18
2025-08-20 22:53:49 +00:00 · 2016-03-22 17:01:25 +01:00
parent b89ed5d534
commit 55a2c66793
10 changed files with 402 additions and 7 deletions
--- a/Search/EventSearch.php
+++ b/Search/EventSearch.php
@@ -0,0 +1,143 @@
+<?php
+
+
+namespace Chill\EventBundle\Search;
+
+use Chill\MainBundle\Search\AbstractSearch;
+use Doctrine\ORM\EntityRepository;
+use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
+use Chill\MainBundle\Security\Authorization\AuthorizationHelper;
+use Symfony\Component\Templating\EngineInterface as TemplatingEngine;
+use Doctrine\ORM\QueryBuilder;
+use Symfony\Component\Security\Core\Role\Role;
+
+/**
+ * Search within Events.
+ *
+ * @author Julien Fastré <julien.fastre@champs-libres.coop>
+ * @author Champs Libres <info@champs-libres.coop>
+ */
+class EventSearch extends AbstractSearch
+{
+    
+    /**
+     * 
+     * @var EntityRepository
+     */
+    private $er;
+    
+    /**
+     *
+     * @var \Chill\MainBundle\Entity\User
+     */
+    private $user;
+    
+    /**
+     *
+     * @var AuthorizationHelper 
+     */
+    private $helper;
+    
+    /**
+     *
+     * @var TemplatingEngine
+     */
+    private $templating;
+    
+    
+    public function __construct(
+          TokenStorageInterface $tokenStorage,
+          EntityRepository $eventRepository,
+          AuthorizationHelper $authorizationHelper,
+          TemplatingEngine $templating
+          )
+    {
+        $this->user = $tokenStorage->getToken()->getUser();
+        $this->er = $eventRepository;
+        $this->helper = $authorizationHelper;
+        $this->templating = $templating;
+    }
+    
+    public function supports($domain)
+    {
+        return 'event' === $domain or 'events' === $domain;
+    }
+    
+    public function isActiveByDefault()
+    {
+        return false;
+    }
+    
+    public function getOrder()
+    {
+        return 3000;
+    }
+
+    public function renderResult(array $terms, $start = 0, $limit = 50, array $options = array())
+    {
+        return $this->templating->render('ChillEventBundle:Event:list.html.twig', 
+                array( 
+                    'events' => $this->search($terms, $start, $limit, $options),
+                    'pattern' => $this->recomposePattern($terms, array(), $terms['_domain']),
+                    'total' => $this->count($terms)
+                ));
+    }
+    
+    protected function search(array $terms, $start, $limit, $options)
+    {
+        $qb = $this->er->createQueryBuilder('e');
+        $qb->select('e');
+        $this->composeQuery($qb, $terms)
+              ->setMaxResults($limit)
+              ->setFirstResult($start)
+              ->orderBy('e.date', 'DESC')
+              ;
+        
+        return $qb->getQuery()->getResult();
+    }
+    
+    protected function count(array $terms)
+    {
+        $qb = $this->er->createQueryBuilder('e');
+        $qb->select('COUNT(e)');
+        $this->composeQuery($qb, $terms)
+              ;
+        
+        return $qb->getQuery()->getSingleScalarResult();
+    }
+    
+    protected function composeQuery(QueryBuilder &$qb, $terms)
+    {
+        
+        // add security clauses
+        $reachableCenters = $this->helper
+              ->getReachableCenters($this->user, new Role('CHILL_EVENT_SEE'));
+        
+        if (count($reachableCenters) === 0) {
+            // add a clause to block all events
+            $where = $qb->expr()->isNull('e.center');
+            $qb->andWhere($where);
+        } else {
+            
+            $n = 0;
+            $orWhere = $qb->expr()->orX();
+            foreach ($reachableCenters as $center) {
+                $circles = $this->helper->getReachableScopes($this->user, 
+                                  new Role('CHILL_EVENT_SEE'), $center);
+                $where = $qb->expr()->andX(
+                      $qb->expr()->eq('e.center', ':center_'.$n),
+                      $qb->expr()->in('e.circle', ':circle_'.$n)
+                      );
+                $qb->setParameter('center_'.$n, $center);
+                $qb->setParameter('circle_'.$n, $circles);
+                $orWhere->add($where);
+            }
+            
+            $qb->andWhere($orWhere);
+        }
+        
+        
+        
+        return $qb;
+    }
+}