1 files changed, 10 insertions, 2 deletions
diff --git a/backend.py b/backend.py
index f2f2a1b..d41a2c8 100644
--- a/backend.py
+++ b/backend.py
@@ -19,6 +19,9 @@ class _Backend(object):
         return True
 
     def add(self, filename):
+        if filename in self.__collection:
+            self.__collection.remove(filename)
+
         self.__new_collection.append(filename)
 
     def check(self, filename):        
@@ -33,7 +36,10 @@ class _Backend(object):
 
         return False
 
-    def save(self):
+    def save(self, dump = False):
+        if dump:
+            self.__new_collection.extend(self.__collection)
+
         if os.path.exists(self.table):
             os.remove(self.table)
 
@@ -43,7 +49,9 @@ class _Backend(object):
 
     def load(self):
         if os.path.exists(self.table):
-            self.__collection = self.store.select(self.table, ['recno'], ['*'], ['filename'], returnType="report")
+            collection = self.store.select(self.table, ['recno'], ['*'], ['filename'], returnType="report")
+            if collection != '':
+                self.__collection = collection.split()
 
 _backend = None
 def Backend():