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-rw-r--r--synapse/push/__init__.py102
-rw-r--r--synapse/push/httppusher.py14
-rw-r--r--synapse/push/pusherpool.py15
3 files changed, 86 insertions, 45 deletions
diff --git a/synapse/push/__init__.py b/synapse/push/__init__.py
index a5dc84160c..46c453b6c0 100644
--- a/synapse/push/__init__.py
+++ b/synapse/push/__init__.py
@@ -16,7 +16,9 @@
 from twisted.internet import defer
 
 from synapse.streams.config import PaginationConfig
-from synapse.types import StreamToken
+from synapse.types import StreamToken, UserID
+from synapse.api.constants import Membership
+from synapse.api.filtering import FilterCollection
 
 import synapse.util.async
 import push_rule_evaluator as push_rule_evaluator
@@ -55,6 +57,7 @@ class Pusher(object):
         self.backoff_delay = Pusher.INITIAL_BACKOFF
         self.failing_since = failing_since
         self.alive = True
+        self.badge = None
 
         # The last value of last_active_time that we saw
         self.last_last_active_time = 0
@@ -92,8 +95,7 @@ class Pusher(object):
             # we fail to dispatch the push)
             config = PaginationConfig(from_token=None, limit='1')
             chunk = yield self.evStreamHandler.get_stream(
-                self.user_id, config, timeout=0, affect_presence=False,
-                only_room_events=True
+                self.user_id, config, timeout=0, affect_presence=False
             )
             self.last_token = chunk['end']
             self.store.update_pusher_last_token(
@@ -125,20 +127,30 @@ class Pusher(object):
         config = PaginationConfig(from_token=from_tok, limit='1')
         timeout = (300 + random.randint(-60, 60)) * 1000
         chunk = yield self.evStreamHandler.get_stream(
-            self.user_id, config, timeout=timeout, affect_presence=False,
-            only_room_events=True
+            self.user_id, config, timeout=timeout, affect_presence=False
         )
 
         # limiting to 1 may get 1 event plus 1 presence event, so
         # pick out the actual event
         single_event = None
+        read_receipt = None
         for c in chunk['chunk']:
             if 'event_id' in c:  # Hmmm...
                 single_event = c
-                break
+            elif c['type'] == 'm.receipt':
+                read_receipt = c
+
+        have_updated_badge = False
+        if read_receipt:
+            for receipt_part in read_receipt['content'].values():
+                if 'm.read' in receipt_part:
+                    if self.user_id in receipt_part['m.read'].keys():
+                        have_updated_badge = True
+
         if not single_event:
+            if have_updated_badge:
+                yield self.update_badge()
             self.last_token = chunk['end']
-            logger.debug("Event stream timeout for pushkey %s", self.pushkey)
             yield self.store.update_pusher_last_token(
                 self.app_id,
                 self.pushkey,
@@ -161,7 +173,8 @@ class Pusher(object):
         tweaks = rule_evaluator.tweaks_for_actions(actions)
 
         if 'notify' in actions:
-            rejected = yield self.dispatch_push(single_event, tweaks)
+            self.badge = yield self._get_badge_count()
+            rejected = yield self.dispatch_push(single_event, tweaks, self.badge)
             self.has_unread = True
             if isinstance(rejected, list) or isinstance(rejected, tuple):
                 processed = True
@@ -182,6 +195,8 @@ class Pusher(object):
                             self.app_id, pk, self.user_id
                         )
         else:
+            if have_updated_badge:
+                yield self.update_badge()
             processed = True
 
         if not self.alive:
@@ -254,7 +269,7 @@ class Pusher(object):
     def stop(self):
         self.alive = False
 
-    def dispatch_push(self, p, tweaks):
+    def dispatch_push(self, p, tweaks, badge):
         """
         Overridden by implementing classes to actually deliver the notification
         Args:
@@ -266,23 +281,64 @@ class Pusher(object):
         """
         pass
 
-    def reset_badge_count(self):
-        pass
+    @defer.inlineCallbacks
+    def update_badge(self):
+        new_badge = yield self._get_badge_count()
+        if self.badge != new_badge:
+            self.badge = new_badge
+            yield self.send_badge(self.badge)
 
-    def presence_changed(self, state):
+    def send_badge(self, badge):
         """
-        We clear badge counts whenever a user's last_active time is bumped
-        This is by no means perfect but I think it's the best we can do
-        without read receipts.
+        Overridden by implementing classes to send an updated badge count
         """
-        if 'last_active' in state.state:
-            last_active = state.state['last_active']
-            if last_active > self.last_last_active_time:
-                self.last_last_active_time = last_active
-                if self.has_unread:
-                    logger.info("Resetting badge count for %s", self.user_id)
-                    self.reset_badge_count()
-                    self.has_unread = False
+        pass
+
+    @defer.inlineCallbacks
+    def _get_badge_count(self):
+        membership_list = (Membership.INVITE, Membership.JOIN)
+
+        room_list = yield self.store.get_rooms_for_user_where_membership_is(
+            user_id=self.user_id,
+            membership_list=membership_list
+        )
+
+        user_is_guest = yield self.store.is_guest(self.user_id)
+
+        # XXX: importing inside method to break circular dependency.
+        # should sort out the mess by moving all this logic out of
+        # push/__init__.py and probably moving the logic we use from the sync
+        # handler to somewhere more amenable to re-use.
+        from synapse.handlers.sync import SyncConfig
+        sync_config = SyncConfig(
+            user=UserID.from_string(self.user_id),
+            filter=FilterCollection({}),
+            is_guest=user_is_guest,
+        )
+        now_token = yield self.hs.get_event_sources().get_current_token()
+        sync_handler = self.hs.get_handlers().sync_handler
+        _, ephemeral_by_room = yield sync_handler.ephemeral_by_room(
+            sync_config, now_token
+        )
+
+        badge = 0
+
+        for r in room_list:
+            if r.membership == Membership.INVITE:
+                badge += 1
+            else:
+                last_unread_event_id = sync_handler.last_read_event_id_for_room_and_user(
+                    r.room_id, self.user_id, ephemeral_by_room
+                )
+
+                if last_unread_event_id:
+                    notifs = yield (
+                        self.store.get_unread_event_push_actions_by_room_for_user(
+                            r.room_id, self.user_id, last_unread_event_id
+                        )
+                    )
+                    badge += len(notifs)
+        defer.returnValue(badge)
 
 
 class PusherConfigException(Exception):
diff --git a/synapse/push/httppusher.py b/synapse/push/httppusher.py
index 28f1fab0e4..cdc4494928 100644
--- a/synapse/push/httppusher.py
+++ b/synapse/push/httppusher.py
@@ -51,7 +51,7 @@ class HttpPusher(Pusher):
         del self.data_minus_url['url']
 
     @defer.inlineCallbacks
-    def _build_notification_dict(self, event, tweaks):
+    def _build_notification_dict(self, event, tweaks, badge):
         # we probably do not want to push for every presence update
         # (we may want to be able to set up notifications when specific
         # people sign in, but we'd want to only deliver the pertinent ones)
@@ -71,7 +71,7 @@ class HttpPusher(Pusher):
                 'counts': {  # -- we don't mark messages as read yet so
                              # we have no way of knowing
                     # Just set the badge to 1 until we have read receipts
-                    'unread': 1,
+                    'unread': badge,
                     # 'missed_calls': 2
                 },
                 'devices': [
@@ -101,8 +101,8 @@ class HttpPusher(Pusher):
         defer.returnValue(d)
 
     @defer.inlineCallbacks
-    def dispatch_push(self, event, tweaks):
-        notification_dict = yield self._build_notification_dict(event, tweaks)
+    def dispatch_push(self, event, tweaks, badge):
+        notification_dict = yield self._build_notification_dict(event, tweaks, badge)
         if not notification_dict:
             defer.returnValue([])
         try:
@@ -116,15 +116,15 @@ class HttpPusher(Pusher):
         defer.returnValue(rejected)
 
     @defer.inlineCallbacks
-    def reset_badge_count(self):
+    def send_badge(self, badge):
+        logger.info("Sending updated badge count %d to %r", badge, self.user_id)
         d = {
             'notification': {
                 'id': '',
                 'type': None,
                 'sender': '',
                 'counts': {
-                    'unread': 0,
-                    'missed_calls': 0
+                    'unread': badge
                 },
                 'devices': [
                     {
diff --git a/synapse/push/pusherpool.py b/synapse/push/pusherpool.py
index 12c4af14bd..d1b7c0802f 100644
--- a/synapse/push/pusherpool.py
+++ b/synapse/push/pusherpool.py
@@ -31,21 +31,6 @@ class PusherPool:
         self.pushers = {}
         self.last_pusher_started = -1
 
-        distributor = self.hs.get_distributor()
-        distributor.observe(
-            "user_presence_changed", self.user_presence_changed
-        )
-
-    @defer.inlineCallbacks
-    def user_presence_changed(self, user, state):
-        user_id = user.to_string()
-
-        # until we have read receipts, pushers use this to reset a user's
-        # badge counters to zero
-        for p in self.pushers.values():
-            if p.user_id == user_id:
-                yield p.presence_changed(state)
-
     @defer.inlineCallbacks
     def start(self):
         pushers = yield self.store.get_all_pushers()