Remove client side content changes tracking using seqno, client should rely on mtime which more appropriate for HTTP

3 files changed, 10 insertions, 5 deletions

diff --git a/active_document/directory.py b/active_document/directory.py
index c0fd242..8af5aa4 100644
--- a/active_document/directory.py
+++ b/active_document/directory.py
@@ -74,6 +74,10 @@ class Directory(object):
 
         _logger.debug('Initiated %r document', document_class)
 
+    @property
+    def mtime(self):
+        return self._index.mtime
+
     def close(self):
         """Flush index write pending queue and close the index."""
         self._index.close()
@@ -249,7 +253,7 @@ class Directory(object):
         if found:
             self._save_layout()
             self.commit()
-            self._notify({'event': 'populate', 'seqno': self._seqno.value})
+            self._notify({'event': 'populate'})
 
     def diff(self, accept_range, limit):
         """Return documents' properties for specified times range.
@@ -370,7 +374,6 @@ class Directory(object):
 
     def _post_store(self, guid, changes, event, increment_seqno):
         if event:
-            event['seqno'] = self._seqno.value
             self._notify(event)
 
     def _post_delete(self, guid, event):
@@ -379,7 +382,7 @@ class Directory(object):
 
     def _post_commit(self):
         self._seqno.commit()
-        self._notify({'event': 'commit', 'seqno': self._seqno.value})
+        self._notify({'event': 'commit'})
 
     def _post(self, guid, props, new):
         for prop_name, value in props.items():
diff --git a/active_document/index.py b/active_document/index.py
index d0a0f98..67ed083 100644
--- a/active_document/index.py
+++ b/active_document/index.py
@@ -56,7 +56,7 @@ class IndexReader(object):
     def mtime(self):
         """UNIX seconds of the last `commit()` call."""
         if exists(self._mtime_path):
-            return os.stat(self._mtime_path).st_mtime
+            return int(os.stat(self._mtime_path).st_mtime)
         else:
             return 0
 
diff --git a/active_document/volume.py b/active_document/volume.py
index 7e9e166..5da9f44 100644
--- a/active_document/volume.py
+++ b/active_document/volume.py
@@ -161,8 +161,10 @@ class VolumeCommands(CommandsProcessor):
             permissions=env.ACCESS_AUTH | env.ACCESS_AUTHOR)
     def update(self, request):
         with self._post(request, env.ACCESS_WRITE) as (directory, doc):
+            modified = bool(doc.props)
             self.before_update(request, doc.props)
-            directory.update(doc.guid, doc.props)
+            if modified:
+                directory.update(doc.guid, doc.props)
 
     @property_command(method='PUT',
             permissions=env.ACCESS_AUTH | env.ACCESS_AUTHOR)