[svn r14418] Check the tool doesn't exist before inserting it

main/admin/configure_extensions.php

@@ -43,6 +43,10 @@ if(isset($_POST['activeExtension'])){
 					if(!empty($_POST['visio_host']))
 					{
 						$tool_table = Database::get_course_table(TABLE_TOOL_LIST,$row['db_name']);
+						$select = "SELECT id FROM $toos_table WHERE name='".TOOL_VISIO_CONFERENCE."'";
+						$selectres = api_sql_query($select);
+						if(Database::num_rows($selectres)<1)
+						{
 							$sql = 'INSERT INTO '.$tool_table.' SET 
 									name="'.TOOL_VISIO_CONFERENCE.'",
 									link="conference/index.php?type=conference",
@@ -53,6 +57,11 @@ if(isset($_POST['activeExtension'])){
 									target="_self",
 									category="interaction"';
 							api_sql_query($sql, __FILE__, __LINE__);		
+						}
+						$select = "SELECT id FROM $toos_table WHERE name='".TOOL_VISIO_CLASSROOM."'";
+						$selectres = api_sql_query($select);
+						if(Database::num_rows($selectres)<1)
+						{
 							$sql = 'INSERT INTO '.$tool_table.' SET 
 									name="'.TOOL_VISIO_CLASSROOM.'",
 									link="conference/index.php?type=classroom",
@@ -65,6 +74,7 @@ if(isset($_POST['activeExtension'])){
 							api_sql_query($sql, __FILE__, __LINE__);
 						}
 					}					
+				}
 				$message = get_lang('ServiceActivated');
 				
 			}