diff --git a/oml/item/models.py b/oml/item/models.py
index a28c64c..3adb8ff 100644
--- a/oml/item/models.py
+++ b/oml/item/models.py
@@ -148,9 +148,9 @@ class Item(db.Model):
         f = self.files.first()
         return f.fullpath() if f else None
 
-    def update_sort(self):
+    def update_sort(self, commit=True):
         update = False
-        s = Sort.get_or_create(self.id)
+        s = Sort.get_or_create(self.id, commit=commit)
         for key in config['itemKeys']:
             if key.get('sort'):
                 value = self.json().get(key['id'], None)
@@ -191,7 +191,7 @@ class Item(db.Model):
         if update:
             state.db.session.add(s)
 
-    def update_find(self):
+    def update_find(self, commit=True):
 
         def add(k, v):
             f = Find.query.filter_by(item_id=self.id, key=k, value=v).first()
@@ -242,26 +242,28 @@ class Item(db.Model):
         for f in Find.query.filter_by(item_id=self.id).filter(Find.key.notin_(keys)):
             state.db.session.delete(f)
 
-    def update(self, modified=None):
+    def update(self, modified=None, commit=True):
         for key in ('mediastate', 'coverRatio', 'previewRatio'):
             if key in self.meta:
                 if key not in self.info:
                     self.info[key] = self.meta[key]
                 del self.meta[key]
-        users = list(map(str, list(self.users)))
         self.info['mediastate'] = 'available' # available, unavailable, transferring
         t = Transfer.get(self.id)
         if t and t.added and t.progress < 1:
             self.info['mediastate'] = 'transferring'
         else:
-            self.info['mediastate'] = 'available' if settings.USER_ID in users else 'unavailable'
+            self.info['mediastate'] = 'available' if self.files.count() else 'unavailable'
         if modified:
             self.modified = modified
         else:
             self.modified = datetime.utcnow()
-        self.update_sort()
-        self.update_find()
-        self.save()
+        self.update_sort(commit=commit)
+        self.update_find(commit=commit)
+        if commit:
+            self.save()
+        else:
+            state.db.session.add(self)
 
     def save(self):
         state.db.session.add(self)
@@ -555,12 +557,13 @@ class Sort(db.Model):
         return cls.query.filter_by(item_id=item_id).first()
 
     @classmethod
-    def get_or_create(cls, item_id):
+    def get_or_create(cls, item_id, commit=True):
         f = cls.get(item_id)
         if not f:
             f = cls(item_id=item_id)
             state.db.session.add(f)
-            state.db.session.commit()
+            if commit:
+                state.db.session.commit()
         return f
 
 Item.sort_keys = []
@@ -604,12 +607,13 @@ class Find(db.Model):
         return cls.query.filter_by(item_id=item, key=key).first()
 
     @classmethod
-    def get_or_create(cls, item, key):
+    def get_or_create(cls, item, key, commit=True):
         f = cls.get(item, key)
         if not f:
             f = cls(item_id=item, key=key)
             state.db.session.add(f)
-            state.db.session.commit()
+            if commit:
+                state.db.session.commit()
         return f
 
 class File(db.Model):