change modified timestamp after update

isso/comments.py

@@ -63,6 +63,5 @@ class Comment(object):
         return self.mode == 2
 
 
-
 def comment(app, environ, request, path, id=None):
     return Response('', 200)

isso/db.py

@@ -1,5 +1,6 @@
 
 import abc
+import time
 import sqlite3
 
 from os.path import join
@@ -94,6 +95,10 @@ class SQLite(Abstract):
             for field, value in comment.iteritems():
                 con.execute('UPDATE comments SET %s=? WHERE path=? AND id=?;' % field,
                     (value, id, path))
+
+        with sqlite3.connect(self.dbpath) as con:
+            con.execute('UPDATE comments SET modified=? WHERE path=? AND id=?',
+                (time.time(), path, id))
         return path, id
 
     def get(self, path, id):

specs/test_db.py

@@ -1,6 +1,7 @@
 
 import os
 import json
+import time
 import tempfile
 import unittest
 
@@ -48,11 +49,13 @@ class TestSQLite(unittest.TestCase):
     def test_update(self):
 
         path, id = self.db.add('/', comment(text='Foo'))
+        time.sleep(0.1)
         path, id = self.db.update(path, id, comment(text='Bla'))
         c = self.db.get(path, id)
 
         assert c.id == 1
         assert c.text == 'Foo'
+        assert c.created < c.modified
 
     def test_delete(self):