Fix for the issue #151

A function was missing from the last commit + merge,
get_available_space_ids() from tx.nG6_utils.php.

issue #151

ui/nG6/lib/class.tx_nG6_utils.php

@@ -287,7 +287,7 @@ please have a look at our storage fees (<a href="###URL_PRICE###">###URL_PRICE##
     }
     
     static function get_retention_policy_from_space_id($space_id = "default"){
-    	$config_file_content = tx_nG6_utils::get_config_content("default");
+    	$config_file_content = tx_nG6_utils::get_config_content();
 		
     	//To explode the file content by line, we use PHP_EOL
     	$array_config_content = explode(PHP_EOL, $config_file_content);
@@ -352,6 +352,29 @@ please have a look at our storage fees (<a href="###URL_PRICE###">###URL_PRICE##
     	return($return_text);
     }
     
+    //Return a php array with array[space_name]=space_name, containing all available space_ids
+    static function get_available_space_ids (){
+    	$config_file_content = tx_nG6_utils::get_config_content();
+		
+    	//To explode the file content by line, we use PHP_EOL
+    	$array_config_content = explode(PHP_EOL, $config_file_content);
+		
+    	$ret = array();
+    	
+    	foreach($array_config_content as $line => $line_content){
+    		//If the current line starts with "[space_"
+    		if( strpos($line_content,'[space_') === 0 ){
+    			$space_id = str_replace('[space_','',$line_content);
+    			$space_id = str_replace(']','',$space_id);
+    			$space_id = trim($space_id);
+    			
+    			$ret[$space_id]=$space_id;
+    		}
+    	}
+    	
+    	return($ret);
+    }
+    
     static function convert_epoch_timestamp_to_nice_date( $epoch_date ){
 		//return(gmdate('D, d M Y', $epoch_date));
 		return(gmdate('l jS \of F Y', $epoch_date));