fixing bug in referring search term data migration

adding session source data migrations for organic-search and referral

modules/base/updates/005.php

@@ -141,9 +141,9 @@ function up() {
 			"INSERT 
 				owa_search_term_dim (id, terms, term_count) 
 			SELECT 
-				(CRC32(LOWER(query_terms))) as id, 
+				distinct(CRC32(LOWER(query_terms))) as id, 
 				query_terms as terms, 
-				SUM( LENGTH(query_terms) - LENGTH(REPLACE(query_terms, ' ', ''))+1) as term_count 
+				length(query_terms) + 1 - length(replace(query_terms,' ','')) as term_count 
 			FROM 
 				owa_referer
 			WHERE
@@ -172,6 +172,41 @@ function up() {
 			return false;
 		}		
 
+		//populate search source in session table
+		$ret = $db->query(
+			"UPDATE 
+				owa_session as session
+			SET
+    			session.source = 'organic-search'
+			WHERE
+    			session.referring_search_term_id IS NOT null"
+    	);
+
+		if (!$ret) {
+			$this->e->notice('Failed to populate session.source values for organic-search');
+			return false;
+		}
+
+		//populate search source in session table
+		$ret = $db->query(
+			"UPDATE 
+				owa_session as session
+			SET
+    			session.source = 'referral'
+			WHERE
+    			session.referer_id != 0 AND
+    			session.referer_id != '' AND
+    			session.referer_id != null AND
+    			session.source != 'feed' AND
+    			session.source != 'organic-search'"
+    	);
+
+		if (!$ret) {
+			$this->e->notice('Failed to populate session.source values for referral');
+			return false;
+		}		
+
+
 		// add apiKeys to each user
 		$users = $db->get_results("select user_id from owa_user");
 

owa_lib.php

@@ -526,10 +526,10 @@ function &singleton($class_dir, $class_prefix, $class_name, $conf = array()) {
 
         static $instance;
 
-        if (!isset($instance)):
+        if (!isset($instance)) {
         	// below missing a reference becasue the static vriable can not handle a reference 
-        	$instance = owa_lib::factory($class_dir, $class_prefix, $class_name, $conf = array());
-        endif;
+        	$instance = owa_lib::factory($class_dir, $class_prefix, $class_name, $conf);
+        }
 
         return $instance;
     }