fix(gerbera): import.js didn't work in gerbera 2.x

gerbera/import.js

@@ -4,27 +4,34 @@
 // ID-prefix wraps around.
 const KEEP_ID_PREFIX = false;
 
+print(1);
 // Log levels.
 const LOG_LEVEL_OFF = 0;
 const LOG_LEVEL_INFO = 1;
 const LOG_LEVEL_WARN = 2;
 const LOG_LEVEL_ERROR = 3;
 const LOG_LEVEL_DEBUG = 4;
 
+print(2);
 // Current log level.
 const LOG_LEVEL = LOG_LEVEL_OFF;
 
+
+print(3);
 // See https://github.com/svaarala/duktape/issues/253
 Error.prototype.toString = function() {
   return this.name + ': ' + this.message + ' (at line ' + this.lineNumber + ')';
 };
 
-if (getPlaylistType(orig.mimetype) === '') {
+print(4);
+function importItem(item, cont) {
+  print(9);
   // All virtual objects are references to objects in the
   // PC-Directory, so make sure to correctly set the reference ID!
-  var obj = orig;
-  obj.refID = orig.id;
+  var obj = item;
+  obj.refID = item.id;
 
+  print(10);
   var title = obj.title.split('.', 2)[1];
   if (KEEP_ID_PREFIX) {
     title = obj.title;
@@ -33,6 +40,7 @@ if (getPlaylistType(orig.mimetype) === '') {
     print('DEBUG: M_TITLE: ' + title);
   }
 
+  print(11);
   const date = computeStartTime(obj);
   if (LOG_LEVEL >= LOG_LEVEL_DEBUG) {
     print('DEBUG: M_DATE: ' + date);
@@ -54,7 +62,7 @@ if (getPlaylistType(orig.mimetype) === '') {
   var container = addContainerTree([recorder]);
   addCdsObject(obj, container);
   if (LOG_LEVEL >= LOG_LEVEL_INFO) {
-    print('INFO: Imported: ' + orig.location);
+    print('INFO: Imported: ' + item.location);
   }
 }
 
@@ -89,3 +97,18 @@ function formatDigits(n) {
     return '' + n;
   }
 }
+
+print(5);
+// Global Variables
+var orig;
+var cont;
+print(6);
+// compatibility with older configurations
+if (!cont || cont === undefined) {
+  cont = orig;
+}
+print(7);
+if (orig && orig !== undefined) {
+  print(8);
+  importItem(orig, cont);
+}