Merge pull request #2902 from Serios/patch-10

og:image setting if there is no already set one

e107_plugins/social/e_event.php

@@ -26,7 +26,42 @@ class social_event
 
 	function config()
 	{
+		$event = array();
 		
+		$event[] = array(
+			'name'     => "system_meta_pre",
+			'function' => "ogg_image_add",
+		);
+
+		return $event;
+		
+	}
+	
+	/**
+	 * Callback function to add og:image if there is no any
+	 */
+	function ogg_image_add()
+	{
+		$ogImage = e107::pref('social','og_image', false);
+		
+		if(e_ADMIN_AREA !==true) {
+			$ogimgexist = FALSE;
+			
+			// check if we have og:image defined
+			$response = e107::getSingleton('eResponse');
+			$data = $response->getMeta();
+			foreach($data as $m) {
+				if($m['name'] == 'og:image') {
+					$ogimgexist = TRUE;
+				}
+			}
+			
+			if(!empty($ogImage) && !$ogimgexist) {
+				e107::meta('og:image',e107::getParser()->thumbUrl($ogImage,'w=500',false,true));
+				unset($ogImage);
+			}
+		
+		}		
 		
 	}