--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Services/SearchService.php	Tue Dec 06 14:53:12 2011 +0100
@@ -0,0 +1,140 @@
+<?php
+/*
+ * This file is part of the WikiTagBundle package.
+ *
+ * (c) IRI <http://www.iri.centrepompidou.fr/>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace IRI\Bundle\WikiTagBundle\Services;
+ 
+use Symfony\Component\DependencyInjection\ContainerAware;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+class SearchService extends ContainerAware
+{
+    /**
+     * Get the container associated with this service.
+     * @return ContainerInterface
+     */
+    public function getContainer()
+    {
+        return $this->container;
+    }
+    
+    /**
+     * Public constructor with container as parameter for contruct injection.
+     * @param ContainerInterface $container
+     */
+    public function __construct(ContainerInterface $container)
+    {
+        $this->setContainer($container);
+    }
+    
+    private $doctrine;
+    
+    public function getDoctrine()
+    {
+        if(is_null($this->doctrine))
+        {
+            $this->doctrine = $this->getContainer()->get('doctrine');
+        }
+        return $this->doctrine;
+    }
+    /**
+     *
+     * Enter description here ...
+     * @param string $value
+     * @param array $conditions
+     * @param array $fields
+     */
+    public function search($value, array $conditions, array $fields=null)
+    {
+        if(is_null($fields))
+        {
+            $fields = $this->getContainer()->getParameter("wiki_tag.fields");
+        }
+        $doctrine = $this->getContainer()->get('doctrine');
+        $res = $doctrine->getRepository('WikiTagBundle:Document');
+        $fieldquery = array();
+        foreach ($fields as $fieldname => $fielddef) {
+            if(isset($fielddef['weight']))
+            {
+                $weight = $fielddef['weight'];
+            }
+            else
+            {
+                $weight = 1.0;
+            }
+            $fieldquery[] = array("columns"=>$fieldname, "value"=>$value, "weight"=>$weight);
+        }
+        
+        $score_res = $res->search($fieldquery, $conditions);
+        
+        return $score_res;
+    }
+    
+    /**
+     * Service to reorder the tags using their notes in the index search
+     * @param IRI\Bundle\WikiTagBundle\Model\DocumentInterface $document
+     */
+    public function reorderTagsForDocument($document)
+    {
+        $doctrine = $this->getContainer()->get('doctrine');
+        
+        $tags_score = array();
+        
+        foreach($document->getTags() as $tag)
+        {
+            $label = $tag->getTag()->getLabel();
+            
+            $score_res = $this->search($label, array("id"=>$document->getId()));
+            
+            if(count($score_res)>0)
+            {
+                $score = floatval($score_res[0]['score']);
+            }
+            else
+            {
+                $score = 0.0;
+            }
+            $tags_score[] = array($score,$tag);
+        }
+        // sort tags based on score
+        $i=1;
+        usort($tags_score, function($a, $b) {
+            return $a[0]<$b[0]?1:-1;
+        });
+
+        foreach($tags_score as $item)
+        {
+            $tag = $item[1];
+            $tag->setTagOrder($i++);
+            $tag->setIndexNote($item[0]);
+            $doctrine->getEntityManager()->persist($tag);
+        }
+        
+    }
+    
+    public function getTagCloud($max_tags)
+    {
+        $rep = $this->getDoctrine()->getRepository('WikiTagBundle:Tag');
+        return $rep->getTagCloud($max_tags);
+    }
+    
+    public function completion($seed)
+    {
+        $rep = $this->getDoctrine()->getRepository('WikiTagBundle:Tag');
+        
+        $res = array();
+        foreach ($rep->getCompletion($seed) as $value) {
+            $res[] = $value['label'];
+        }
+        
+        return $res;
+        
+    }
+    
+        
+}
\ No newline at end of file