# HG changeset patch
# User cavaliet
# Date 1390994176 -3600
# Node ID 085ea4dbfeee1ff9258235625ad8f4c628198080
# Parent  ed31d6008d312db0bbb7a5552b9e39252a226468
dbpedia sparql query

diff -r ed31d6008d31 -r 085ea4dbfeee README.md
--- a/README.md	Fri Jan 24 17:50:24 2014 +0100
+++ b/README.md	Wed Jan 29 12:16:16 2014 +0100
@@ -83,7 +83,7 @@
                 wikipedia_api: 'http://de.wikipedia.org/w/api.php'
                 wikipedia_permalink: 'http://de.wikipedia.org/w/index.php?oldid=%s'
                 wikipedia_opensearch: 'http://de.wikipedia.org/w/index.php?search='
-                dbpedia: 'http://de.dbpedia.org/resource/%s'
+                dbpedia_sparql: 'http://de.dbpedia.org/sparql'
          
 
 * Add the WikiTag routes to your routing.yml :
diff -r ed31d6008d31 -r 085ea4dbfeee Utils/WikiTagUtils.php
--- a/Utils/WikiTagUtils.php	Fri Jan 24 17:50:24 2014 +0100
+++ b/Utils/WikiTagUtils.php	Wed Jan 29 12:16:16 2014 +0100
@@ -145,6 +145,10 @@
         
         $revision_id = $page['lastrevid'];
         
+        // Get the dbpedia uri by requesting dbpedia with sparkl
+     	
+        
+        /*
         // process language to extract the english label
         $english_label = null;
         if($status==Tag::$TAG_URL_STATUS_DICT["match"] || $status==Tag::$TAG_URL_STATUS_DICT["redirection"]){
@@ -162,6 +166,8 @@
         if($english_label!=null && strpos($english_label, '#')===false){
             $dbpedia_uri = WikiTagUtils::getDbpediaUri($english_label);
         }
+        */
+        $dbpedia_uri = WikiTagUtils::getDbpediaUri($new_label);
         
         $wp_response = array(
             'new_label'=>$new_label,
@@ -178,6 +184,48 @@
         return $wp_response;
     }
     
+    /**
+     * Generic curl request
+     *
+     * @param string $url
+     * @return object (json decoded)
+     */
+    private static function curlRequest($url)
+    {
+    	$ch = curl_init();
+    	curl_setopt($ch, CURLOPT_URL, $url);
+    	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+    	// default values
+    	curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:26.0) Gecko/20100101 Firefox/26.0');
+    	curl_setopt($ch, CURLOPT_TIMEOUT_MS, 5000);
+    	// Set options if they are set in the config.yml file, typically for proxy configuration.
+    	// Thanks to the configuration file, it will execute commands like "curl_setopt($ch, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);" or "curl_setopt($ch, CURLOPT_PROXY, "xxx.yyy.zzz:PORT");"
+    	$curl_options = $GLOBALS["kernel"]->getContainer()->getParameter("wiki_tag.curl_options");
+    	foreach ($curl_options as $key => $value) {
+    		if(strtoupper($value)=='TRUE'){
+    			$value = TRUE;
+    		}
+    		else if (strtoupper($value)=='FALSE'){
+    			$value = FALSE;
+    		}
+    		else if (defined($value)){
+    			$value = constant($value);
+    		}
+    		curl_setopt($ch, constant($key), $value);
+    	}
+    	// end of treatment
+    	$res = curl_exec($ch);
+    	$curl_errno = curl_errno($ch);
+    	$curl_error = curl_error($ch);
+    	curl_close($ch);
+    
+    	if ($curl_errno > 0) {
+    		throw new \Exception("$url\n request failed. cURLError #$curl_errno: $curl_error\n", $curl_errno, null);
+    	}
+    	
+    	return $res;
+	}
+    
 
     /**
      * build and do the request to Wikipedia.
@@ -197,41 +245,9 @@
             }
         }
         
-        //$url = WikiTagUtils::$WIKIPEDIA_API_URL.'?'.$params_str;
-        //throw new \Exception($GLOBALS["kernel"]->getContainer()->getParameter("wiki_tag.url_templates"), 1, null);
         $url = $GLOBALS["kernel"]->getContainer()->getParameter("wiki_tag.url_templates")["wikipedia_api"].'?'.$params_str;
         
-        $ch = curl_init();
-        curl_setopt($ch, CURLOPT_URL, $url);
-        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
-        // default values
-        curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:10.0.1) Gecko/20100101 Firefox/10.0.1');
-        curl_setopt($ch, CURLOPT_TIMEOUT_MS, 5000);
-        // Set options if they are set in the config.yml file, typically for proxy configuration.
-        // Thanks to the configuration file, it will execute commands like "curl_setopt($ch, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);" or "curl_setopt($ch, CURLOPT_PROXY, "xxx.yyy.zzz:PORT");"
-        $curl_options = $GLOBALS["kernel"]->getContainer()->getParameter("wiki_tag.curl_options");
-        foreach ($curl_options as $key => $value) {
-            if(strtoupper($value)=='TRUE'){
-                $value = TRUE;
-            }
-            else if (strtoupper($value)=='FALSE'){
-                $value = FALSE;
-            }
-            else if (defined($value)){
-                $value = constant($value);
-            }
-            curl_setopt($ch, constant($key), $value);
-        }
-        // end of treatment
-        $res = curl_exec($ch);
-        $curl_errno = curl_errno($ch);
-        $curl_error = curl_error($ch);
-        curl_close($ch);
-        
-        if ($curl_errno > 0) {
-            throw new \Exception("Wikipedia request failed. cURLError #$curl_errno: $curl_error\n", $curl_errno, null);
-        }
-        
+        $res = WikiTagUtils::curlRequest($url);
         $val = json_decode($res, true);
         $pages = $val["query"]["pages"];
         return array($res, $pages);
@@ -265,9 +281,39 @@
     /**
      * Builds DbPedia URI
      */
-    private static function getDbpediaUri($english_label)
+    private static function getDbpediaUri($label, $params=[])
     {
-        return sprintf($GLOBALS["kernel"]->getContainer()->getParameter("wiki_tag.url_templates")["dbpedia"], WikiTagUtils::urlize_for_wikipedia($english_label));
+    	// Get lang from url
+    	$dbp_url = $GLOBALS["kernel"]->getContainer()->getParameter("wiki_tag.url_templates")["dbpedia_sparql"];
+    	$lang = substr($dbp_url, 7, 2);
+    	$params = [
+    		"query" => 'select distinct * where {?s rdfs:label "'.$label.'"@'.$lang.'}',
+    		"format" => 'application/json',
+    	];
+
+    	$params_str = '';
+    	foreach ($params as $key => $value) {
+    		if ($params_str==''){
+    			$params_str = $key.'='.urlencode($value);
+    		}
+    		else{
+    			$params_str .= '&'.$key.'='.urlencode($value);
+    		}
+    	}
+    	
+    	$url = $GLOBALS["kernel"]->getContainer()->getParameter("wiki_tag.url_templates")["dbpedia_sparql"].'?'.$params_str;
+    	
+    	$res = WikiTagUtils::curlRequest($url);
+    	$val = json_decode($res, true);
+    	$uri = "";
+    	if(array_key_exists("results", $val)){
+    		if(array_key_exists("bindings", $val["results"])){
+    			if(count($val["results"]["bindings"]) > 0){
+    				$uri = $val["results"]["bindings"][0]["s"]["value"];
+    			}
+    		}
+    	}
+    	return $uri;
     }
     
     /**