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-rw-r--r--synapse/handlers/_base.py6
-rw-r--r--synapse/handlers/federation.py8
-rw-r--r--synapse/handlers/register.py4
-rw-r--r--synapse/handlers/sync.py63
4 files changed, 80 insertions, 1 deletions
diff --git a/synapse/handlers/_base.py b/synapse/handlers/_base.py
index b474042e84..66e35de6e4 100644
--- a/synapse/handlers/_base.py
+++ b/synapse/handlers/_base.py
@@ -19,6 +19,7 @@ from synapse.api.errors import LimitExceededError, SynapseError, AuthError
 from synapse.crypto.event_signing import add_hashes_and_signatures
 from synapse.api.constants import Membership, EventTypes
 from synapse.types import UserID, RoomAlias
+from synapse.push.action_generator import ActionGenerator
 
 from synapse.util.logcontext import PreserveLoggingContext
 
@@ -252,6 +253,11 @@ class BaseHandler(object):
             event, context=context
         )
 
+        action_generator = ActionGenerator(self.store)
+        yield action_generator.handle_push_actions_for_event(
+            event, self
+        )
+
         destinations = set(extra_destinations)
         for k, s in context.current_state.items():
             try:
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index 28f2ff68d6..075b9e21c3 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -36,6 +36,8 @@ from synapse.events.utils import prune_event
 
 from synapse.util.retryutils import NotRetryingDestination
 
+from synapse.push.action_generator import ActionGenerator
+
 from twisted.internet import defer
 
 import itertools
@@ -242,6 +244,12 @@ class FederationHandler(BaseHandler):
                     user = UserID.from_string(event.state_key)
                     yield user_joined_room(self.distributor, user, event.room_id)
 
+        if not backfilled and not event.internal_metadata.is_outlier():
+            action_generator = ActionGenerator(self.store)
+            yield action_generator.handle_push_actions_for_event(
+                event, self
+            )
+
     @defer.inlineCallbacks
     def _filter_events_for_server(self, server_name, room_id, events):
         event_to_state = yield self.store.get_state_for_events(
diff --git a/synapse/handlers/register.py b/synapse/handlers/register.py
index 6f111ff63e..1799a668c6 100644
--- a/synapse/handlers/register.py
+++ b/synapse/handlers/register.py
@@ -84,7 +84,8 @@ class RegistrationHandler(BaseHandler):
         localpart=None,
         password=None,
         generate_token=True,
-        guest_access_token=None
+        guest_access_token=None,
+        make_guest=False
     ):
         """Registers a new client on the server.
 
@@ -118,6 +119,7 @@ class RegistrationHandler(BaseHandler):
                 token=token,
                 password_hash=password_hash,
                 was_guest=guest_access_token is not None,
+                make_guest=make_guest
             )
 
             yield registered_user(self.distributor, user)
diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py
index 5428864bb7..3f73a8caa5 100644
--- a/synapse/handlers/sync.py
+++ b/synapse/handlers/sync.py
@@ -54,6 +54,7 @@ class JoinedSyncResult(collections.namedtuple("JoinedSyncResult", [
     "state",             # dict[(str, str), FrozenEvent]
     "ephemeral",
     "account_data",
+    "unread_notification_count",
 ])):
     __slots__ = []
 
@@ -66,6 +67,8 @@ class JoinedSyncResult(collections.namedtuple("JoinedSyncResult", [
             or self.state
             or self.ephemeral
             or self.account_data
+            # nb the notification count does not, er, count: if there's nothing
+            # else in the result, we don't need to send it.
         )
 
 
@@ -163,6 +166,18 @@ class SyncHandler(BaseHandler):
         else:
             return self.incremental_sync_with_gap(sync_config, since_token)
 
+    def last_read_event_id_for_room_and_user(self, room_id, user_id, ephemeral_by_room):
+        if room_id not in ephemeral_by_room:
+            return None
+        for e in ephemeral_by_room[room_id]:
+            if e['type'] != 'm.receipt':
+                continue
+            for receipt_event_id, val in e['content'].items():
+                if 'm.read' in val:
+                    if user_id in val['m.read']:
+                        return receipt_event_id
+        return None
+
     @defer.inlineCallbacks
     def full_state_sync(self, sync_config, timeline_since_token):
         """Get a sync for a client which is starting without any state.
@@ -274,6 +289,13 @@ class SyncHandler(BaseHandler):
             room_id, sync_config, now_token, since_token=timeline_since_token
         )
 
+        notifs = yield self.unread_notifs_for_room_id(
+            room_id, sync_config, ephemeral_by_room
+        )
+        notif_count = None
+        if notifs is not None:
+            notif_count = len(notifs)
+
         current_state = yield self.get_state_at(room_id, now_token)
 
         defer.returnValue(JoinedSyncResult(
@@ -284,6 +306,7 @@ class SyncHandler(BaseHandler):
             account_data=self.account_data_for_room(
                 room_id, tags_by_room, account_data_by_room
             ),
+            unread_notification_count=notif_count,
         ))
 
     def account_data_for_user(self, account_data):
@@ -423,6 +446,13 @@ class SyncHandler(BaseHandler):
         )
         now_token = now_token.copy_and_replace("presence_key", presence_key)
 
+        # We now fetch all ephemeral events for this room in order to get
+        # this users current read receipt. This could almost certainly be
+        # optimised.
+        _, all_ephemeral_by_room = yield self.ephemeral_by_room(
+            sync_config, now_token
+        )
+
         now_token, ephemeral_by_room = yield self.ephemeral_by_room(
             sync_config, now_token, since_token
         )
@@ -496,6 +526,13 @@ class SyncHandler(BaseHandler):
                 else:
                     prev_batch = now_token
 
+                notifs = yield self.unread_notifs_for_room_id(
+                    room_id, sync_config, all_ephemeral_by_room
+                )
+                notif_count = None
+                if notifs is not None:
+                    notif_count = len(notifs)
+
                 just_joined = yield self.check_joined_room(sync_config, state)
                 if just_joined:
                     logger.debug("User has just joined %s: needs full state",
@@ -516,6 +553,7 @@ class SyncHandler(BaseHandler):
                     account_data=self.account_data_for_room(
                         room_id, tags_by_room, account_data_by_room
                     ),
+                    unread_notification_count=notif_count
                 )
                 logger.debug("Result for room %s: %r", room_id, room_sync)
 
@@ -650,6 +688,13 @@ class SyncHandler(BaseHandler):
         if just_joined:
             state = yield self.get_state_at(room_id, now_token)
 
+        notifs = yield self.unread_notifs_for_room_id(
+            room_id, sync_config, ephemeral_by_room
+        )
+        notif_count = None
+        if notifs is not None:
+            notif_count = len(notifs)
+
         room_sync = JoinedSyncResult(
             room_id=room_id,
             timeline=batch,
@@ -658,6 +703,7 @@ class SyncHandler(BaseHandler):
             account_data=self.account_data_for_room(
                 room_id, tags_by_room, account_data_by_room
             ),
+            unread_notification_count=notif_count,
         )
 
         logging.debug("Room sync: %r", room_sync)
@@ -788,3 +834,20 @@ class SyncHandler(BaseHandler):
             if join_event.content["membership"] == Membership.JOIN:
                 return True
         return False
+
+    @defer.inlineCallbacks
+    def unread_notifs_for_room_id(self, room_id, sync_config, ephemeral_by_room):
+        last_unread_event_id = self.last_read_event_id_for_room_and_user(
+            room_id, sync_config.user.to_string(), ephemeral_by_room
+        )
+
+        notifs = []
+        if last_unread_event_id:
+            notifs = yield self.store.get_unread_event_push_actions_by_room_for_user(
+                room_id, sync_config.user.to_string(), last_unread_event_id
+            )
+        else:
+            # There is no new information in this period, so your notification
+            # count is whatever it was last time.
+            defer.returnValue(None)
+        defer.returnValue(notifs)