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-rw-r--r--synapse/handlers/room.py5
-rw-r--r--synapse/handlers/room_member.py85
2 files changed, 77 insertions, 13 deletions
diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py
index cb8c5f77dd..388302de09 100644
--- a/synapse/handlers/room.py
+++ b/synapse/handlers/room.py
@@ -125,7 +125,7 @@ class RoomCreationHandler(BaseHandler):
             )
             yield self.auth.check_from_context(tombstone_event, tombstone_context)
 
-            yield self.clone_exiting_room(
+            yield self.clone_existing_room(
                 requester,
                 old_room_id=old_room_id,
                 new_room_id=new_room_id,
@@ -230,7 +230,7 @@ class RoomCreationHandler(BaseHandler):
         )
 
     @defer.inlineCallbacks
-    def clone_exiting_room(
+    def clone_existing_room(
             self, requester, old_room_id, new_room_id, new_room_version,
             tombstone_event_id,
     ):
@@ -262,6 +262,7 @@ class RoomCreationHandler(BaseHandler):
 
         initial_state = dict()
 
+        # Replicate relevant room events
         types_to_copy = (
             (EventTypes.JoinRules, ""),
             (EventTypes.Name, ""),
diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py
index 07fd3e82fc..6163c6bdee 100644
--- a/synapse/handlers/room_member.py
+++ b/synapse/handlers/room_member.py
@@ -63,7 +63,7 @@ class RoomMemberHandler(object):
         self.directory_handler = hs.get_handlers().directory_handler
         self.registration_handler = hs.get_handlers().registration_handler
         self.profile_handler = hs.get_profile_handler()
-        self.event_creation_hander = hs.get_event_creation_handler()
+        self.event_creation_handler = hs.get_event_creation_handler()
 
         self.member_linearizer = Linearizer(name="member")
 
@@ -161,6 +161,8 @@ class RoomMemberHandler(object):
         ratelimit=True,
         content=None,
     ):
+        user_id = target.to_string()
+
         if content is None:
             content = {}
 
@@ -168,14 +170,14 @@ class RoomMemberHandler(object):
         if requester.is_guest:
             content["kind"] = "guest"
 
-        event, context = yield self.event_creation_hander.create_event(
+        event, context = yield self.event_creation_handler.create_event(
             requester,
             {
                 "type": EventTypes.Member,
                 "content": content,
                 "room_id": room_id,
                 "sender": requester.user.to_string(),
-                "state_key": target.to_string(),
+                "state_key": user_id,
 
                 # For backwards compatibility:
                 "membership": membership,
@@ -186,14 +188,14 @@ class RoomMemberHandler(object):
         )
 
         # Check if this event matches the previous membership event for the user.
-        duplicate = yield self.event_creation_hander.deduplicate_state_event(
+        duplicate = yield self.event_creation_handler.deduplicate_state_event(
             event, context,
         )
         if duplicate is not None:
             # Discard the new event since this membership change is a no-op.
             defer.returnValue(duplicate)
 
-        yield self.event_creation_hander.handle_new_client_event(
+        yield self.event_creation_handler.handle_new_client_event(
             requester,
             event,
             context,
@@ -204,12 +206,12 @@ class RoomMemberHandler(object):
         prev_state_ids = yield context.get_prev_state_ids(self.store)
 
         prev_member_event_id = prev_state_ids.get(
-            (EventTypes.Member, target.to_string()),
+            (EventTypes.Member, user_id),
             None
         )
 
         if event.membership == Membership.JOIN:
-            # Only fire user_joined_room if the user has acutally joined the
+            # Only fire user_joined_room if the user has actually joined the
             # room. Don't bother if the user is just changing their profile
             # info.
             newly_joined = True
@@ -218,6 +220,18 @@ class RoomMemberHandler(object):
                 newly_joined = prev_member_event.membership != Membership.JOIN
             if newly_joined:
                 yield self._user_joined_room(target, room_id)
+
+            # Copy over direct message status and room tags if this is a join
+            # on an upgraded room
+
+            # Check if this is an upgraded room
+            predecessor = yield self.store.get_room_predecessor(room_id)
+
+            if predecessor:
+                # It is an upgraded room. Copy over old tags
+                self.copy_room_tags_and_direct_to_room(
+                    predecessor["room_id"], room_id, user_id,
+                )
         elif event.membership == Membership.LEAVE:
             if prev_member_event_id:
                 prev_member_event = yield self.store.get_event(prev_member_event_id)
@@ -227,6 +241,55 @@ class RoomMemberHandler(object):
         defer.returnValue(event)
 
     @defer.inlineCallbacks
+    def copy_room_tags_and_direct_to_room(
+        self,
+        old_room_id,
+        new_room_id,
+        user_id,
+    ):
+        """Copies the tags and direct room state from one room to another.
+
+        Args:
+            old_room_id (str)
+            new_room_id (str)
+            user_id (str)
+
+        Returns:
+            Deferred|None
+        """
+        # Retrieve user account data for predecessor room
+        user_account_data, _ = yield self.store.get_account_data_for_user(
+            user_id,
+        )
+
+        # Copy direct message state if applicable
+        direct_rooms = user_account_data.get("m.direct", {})
+
+        # Check which key this room is under
+        if isinstance(direct_rooms, dict):
+            for key, room_id_list in direct_rooms.items():
+                if old_room_id in room_id_list and new_room_id not in room_id_list:
+                    # Add new room_id to this key
+                    direct_rooms[key].append(new_room_id)
+
+                    # Save back to user's m.direct account data
+                    yield self.store.add_account_data_for_user(
+                        user_id, "m.direct", direct_rooms,
+                    )
+                    break
+
+        # Copy room tags if applicable
+        room_tags = yield self.store.get_tags_for_room(
+            user_id, old_room_id,
+        )
+
+        # Copy each room tag to the new room
+        for tag, tag_content in room_tags.items():
+            yield self.store.add_tag_to_room(
+                user_id, new_room_id, tag, tag_content
+            )
+
+    @defer.inlineCallbacks
     def update_membership(
             self,
             requester,
@@ -493,7 +556,7 @@ class RoomMemberHandler(object):
         else:
             requester = synapse.types.create_requester(target_user)
 
-        prev_event = yield self.event_creation_hander.deduplicate_state_event(
+        prev_event = yield self.event_creation_handler.deduplicate_state_event(
             event, context,
         )
         if prev_event is not None:
@@ -513,7 +576,7 @@ class RoomMemberHandler(object):
             if is_blocked:
                 raise SynapseError(403, "This room has been blocked on this server")
 
-        yield self.event_creation_hander.handle_new_client_event(
+        yield self.event_creation_handler.handle_new_client_event(
             requester,
             event,
             context,
@@ -527,7 +590,7 @@ class RoomMemberHandler(object):
         )
 
         if event.membership == Membership.JOIN:
-            # Only fire user_joined_room if the user has acutally joined the
+            # Only fire user_joined_room if the user has actually joined the
             # room. Don't bother if the user is just changing their profile
             # info.
             newly_joined = True
@@ -755,7 +818,7 @@ class RoomMemberHandler(object):
             )
         )
 
-        yield self.event_creation_hander.create_and_send_nonmember_event(
+        yield self.event_creation_handler.create_and_send_nonmember_event(
             requester,
             {
                 "type": EventTypes.ThirdPartyInvite,