attempt to cleanup library

oml/item/scan.py

@@ -132,6 +132,7 @@ def run_scan():
     prefix = get_prefix()
     books = collect_books(prefix)
     remove_missing(books)
+    ids = set()
 
     added = 0
 
@@ -143,6 +144,16 @@ def run_scan():
             if os.path.exists(f):
                 id = media.get_id(f)
                 file = File.get(id)
+                if id in ids:
+                    logger.debug('file exists in multiple locations %s', id)
+                    if file:
+                        f1 = file.fullpath()
+                        f2 = os.path.join(prefix, f)
+                        if f1 != f2 and os.path.exists(f1) and os.path.exists(f2):
+                            logger.debug('"%s" vs "%s"', f1, f2)
+                else:
+                    ids.add(id)
+
                 if not file:
                     file = add_file(id, f, prefix, f)
                     added += 1
@@ -154,9 +165,24 @@ def run_scan():
                     add_record('edititem', item.id, item.meta)
                     item.update()
                     added += 1
+        library_items = len(user.library.items)
     if added:
         trigger_event('change', {})
         logger.debug('imported %s unknown books', added)
+    if len(ids) != len(books):
+        logger.debug('number of books %s vs number of ids %s', len(books), len(ids))
+    if library_items != len(books):
+        logger.debug('number of books %s vs number of items in library %s', len(books), library_items)
+        library_items = set([str(i) for i in user.library.items])
+        gone = library_items - ids
+        if gone:
+            logger.debug('cleaning up %s deleted records', len(gone))
+            for id in gone:
+                i = Item.get(id)
+                i.remove_file()
+        missing = ids - library_items
+        if missing:
+            logger.debug('%s items in library without a record', len(missing))
 
 def change_path(old, new):
     new_books = os.path.join(new, 'Books')