From d876768771afdff3b5c1fce460c58e4ad7612b59 Mon Sep 17 00:00:00 2001
From: j <j@mailb.org>
Date: Sat, 16 Jan 2016 11:17:55 +0530
Subject: [PATCH] empty lists are None not '', fixes #102

---
 oml/item/models.py |  2 +-
 oml/settings.py    |  2 +-
 oml/update.py      | 13 ++++++++++++-
 3 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/oml/item/models.py b/oml/item/models.py
index 1ea5e61..f92758e 100644
--- a/oml/item/models.py
+++ b/oml/item/models.py
@@ -181,7 +181,7 @@ class Item(db.Model):
                             value = str(value)
                             value = ox.sort_string(value).lower()
                 elif isinstance(value, list): #empty list
-                    value = ''
+                    value = None
                 if getattr(s, key['id']) != value:
                     setattr(s, key['id'], value)
                     update = True
diff --git a/oml/settings.py b/oml/settings.py
index a770d8c..4cd5ad3 100644
--- a/oml/settings.py
+++ b/oml/settings.py
@@ -82,4 +82,4 @@ USER_AGENT = 'OpenMediaLibrary/%s' % VERSION
 
 DEBUG_HTTP = server.get('debug_http', False)
 
-DB_VERSION = 0
+DB_VERSION = 1
diff --git a/oml/update.py b/oml/update.py
index b770e36..5154220 100644
--- a/oml/update.py
+++ b/oml/update.py
@@ -18,6 +18,7 @@ import ox
 from oxtornado import actions
 
 import settings
+import db
 
 import logging
 
@@ -277,7 +278,8 @@ class Update(Thread):
         db_version = settings.server.get('db_version', 0)
         if db_version < settings.DB_VERSION:
             self.status('Migrating database...')
-            time.sleep(30)
+            if db_version < 1:
+                db_version = migrate_1()
             settings.server['db_version'] = settings.DB_VERSION
 
     def run(self):
@@ -288,3 +290,12 @@ class Update(Thread):
             return
         self.status('Relaunching...', True)
         restart_oml()
+
+
+def migrate_1():
+    with db.session() as session:
+        import item.models
+        for s in item.models.Sort.query.filter_by(author=''):
+            s.item.update_sort()
+        session.commit()
+    return 1