diff -r d2fba1e3b94b -r 21fab44f46fe Entity/TagRepository.php
--- a/Entity/TagRepository.php	Wed Nov 09 16:25:13 2011 +0100
+++ b/Entity/TagRepository.php	Thu Nov 17 11:29:26 2011 +0100
@@ -12,4 +12,33 @@
  */
 class TagRepository extends EntityRepository
 {
+    public function getTagCloud($max_tags)
+    {
+        $qb = $this->getEntityManager()->createQueryBuilder();
+        $qb->select('t.id', 't.label', 'COUNT( dt.id ) AS nb_docs');
+        $qb->from('WikiTagBundle:Tag','t');
+        $qb->leftJoin('t.documents', 'dt', 'WITH', 't = dt.tag');
+        $qb->addGroupBy('t.id');
+        $qb->addOrderBy('nb_docs','DESC');
+        $qb->setMaxResults($max_tags);
+        
+        $query = $qb->getQuery();
+        return $query->getResult();
+    }
+    
+    public function getCompletion($seed)
+    {
+        $qb = $this->getEntityManager()->createQueryBuilder();
+        $qb->select('t.label');
+        $qb->from('WikiTagBundle:Tag','t');
+        $qb->where($qb->expr()->orx(
+            $qb->expr()->like('t.label',$qb->expr()->literal("%".addcslashes(mysql_real_escape_string($seed),"%_"))),
+            $qb->expr()->like('t.label',$qb->expr()->literal("% ".addcslashes(mysql_real_escape_string($seed),"%_")."%"))
+        ));
+        
+        $query = $qb->getQuery();
+        
+        return $query->getResult();
+        
+    }
 }
\ No newline at end of file