rooms: Handle invites.

matrix/buffer.py

@@ -385,8 +385,9 @@ class WeechatChannelBuffer(object):
             message = self._membership_message(user, "join")
             self.print_date_tags(message, date, tags)
 
-    def invite(self, user, date, extra_tags=[]):
+    def invite(self, nick, date, extra_tags=[]):
-        # type: (WeechatUser, int, Optional[bool], Optional[List[str]]) -> None
+        # type: (str, int, Optional[bool], Optional[List[str]]) -> None
+        user = self._get_user(nick)
         tags = self._message_tags(user, "invite")
         message = self._membership_message(user, "invite")
         self.print_date_tags(message, date, tags + extra_tags)

matrix/rooms.py

@@ -208,6 +208,9 @@ class RoomInfo():
         elif event_dict["content"]["membership"] == "leave":
             return RoomMemberLeave.from_dict(event_dict)
 
+        elif event_dict["content"]["membership"] == "invite":
+            return RoomMemberInvite.from_dict(event_dict)
+
         return None
 
     @staticmethod
@@ -308,6 +311,10 @@ class RoomEvent():
         self.timestamp = timestamp
 
 
+class RoomMembershipEvent(RoomEvent):
+    pass
+
+
 class RoomRedactedMessageEvent(RoomEvent):
 
     def __init__(self, event_id, sender, timestamp, censor, reason=None):
@@ -527,11 +534,22 @@ class RoomMessageMedia(RoomMessageEvent):
         self._print_message(msg, room, buff, tags)
 
 
-class RoomMemberJoin(RoomEvent):
+class RoomMemberJoin(RoomMembershipEvent):
 
-    def __init__(self, event_id, sender, timestamp, display_name, state_key):
+    def __init__(
+        self,
+        event_id,
+        sender,
+        timestamp,
+        display_name,
+        state_key,
+        content,
+        prev_content
+    ):
         self.display_name = display_name
         self.state_key = state_key
+        self.content = content
+        self.prev_content = prev_content
         RoomEvent.__init__(self, event_id, sender, timestamp)
 
     @classmethod
@@ -541,16 +559,42 @@ class RoomMemberJoin(RoomEvent):
         timestamp = sanitize_ts(event_dict["origin_server_ts"])
         state_key = sanitize_id(event_dict["state_key"])
         display_name = None
+        content = event_dict["content"]
+        prev_content = (event_dict["unsigned"]["prev_content"]
+                        if "prev_content" in event_dict["unsigned"] else None)
 
         if event_dict["content"]:
             if "display_name" in event_dict["content"]:
                 display_name = sanitize_text(
                     event_dict["content"]["displayname"])
 
-        return cls(event_id, sender, timestamp, display_name, state_key)
+        return cls(
+            event_id,
+            sender,
+            timestamp,
+            display_name,
+            state_key,
+            content,
+            prev_content
+        )
 
 
-class RoomMemberLeave(RoomEvent):
+class RoomMemberInvite(RoomMembershipEvent):
+    def __init__(self, event_id, sender, invited_user, timestamp):
+        self.invited_user = invited_user
+        RoomEvent.__init__(self, event_id, sender, timestamp)
+
+    @classmethod
+    def from_dict(cls, event_dict):
+        event_id = sanitize_id(event_dict["event_id"])
+        sender = sanitize_id(event_dict["sender"])
+        invited_user = sanitize_id(event_dict["state_key"])
+        timestamp = sanitize_ts(event_dict["origin_server_ts"])
+
+        return cls(event_id, sender, invited_user, timestamp)
+
+
+class RoomMemberLeave(RoomMembershipEvent):
 
     def __init__(self, event_id, sender, leaving_user, timestamp):
         self.leaving_user = leaving_user

matrix/server.py

@@ -40,8 +40,10 @@ from .rooms import (
     RoomMessageText,
     RoomMessageEmote,
     MatrixUser,
+    RoomMembershipEvent,
     RoomMemberJoin,
     RoomMemberLeave,
+    RoomMemberInvite,
     RoomTopicEvent
 )
 from matrix.api import (
@@ -638,7 +640,7 @@ class MatrixServer:
         event,
         is_state_event
     ):
-        if isinstance(event, RoomMemberJoin):
+        def join(event, date, room, room_buffer, is_state_event):
             room.handle_event(event)
             user = room.users[event.sender]
             buffer_user = RoomUser(user.name, event.sender)
@@ -655,14 +657,39 @@ class MatrixServer:
                 not is_state_event
             )
 
-        elif isinstance(event, RoomMemberLeave):
+        date = server_ts_to_weechat(event.timestamp)
-            user = room.users[event.sender]
-            date = server_ts_to_weechat(event.timestamp)
 
-            if event.sender == event.leaving_user:
+        joined = False
-                room_buffer.part(user.name, date, not is_state_event)
+        left = False
+
+        if isinstance(event, RoomMemberJoin):
+            if event.prev_content and "membership" in event.prev_content:
+                if (event.prev_content["membership"] == "leave"
+                        or event.prev_content["membership"] == "invite"):
+                    join(event, date, room, room_buffer, is_state_event)
+                    joined = True
+                else:
+                    # TODO print out profile changes
+                    return
             else:
-                room_buffer.kick(user.name, date, not is_state_event)
+                # No previous content for this user in this room, so he just
+                # joined.
+                join(event, date, room, room_buffer, is_state_event)
+                joined = True
+
+        elif isinstance(event, RoomMemberLeave):
+            # TODO the nick can be a display name or a full sender name
+            nick = shorten_sender(event.sender)
+            if event.sender == event.leaving_user:
+                room_buffer.part(nick, date, not is_state_event)
+            else:
+                room_buffer.kick(nick, date, not is_state_event)
+
+            left = True
+
+        elif isinstance(event, RoomMemberInvite):
+            room_buffer.invite(event.sender, date)
+            return
 
         # calculate room display name and set it as the buffer list name
         room_name = room.display_name(self.user_id)
@@ -670,11 +697,11 @@ class MatrixServer:
 
         # A user has joined or left an encrypted room, we need to check for
         # new devices and create a new group session
-        if room.encrypted:
+        if room.encrypted and (joined or left):
             self.device_check_timestamp = None
 
     def handle_room_event(self, room, room_buffer, event, is_state_event):
-        if isinstance(event, (RoomMemberJoin, RoomMemberLeave)):
+        if isinstance(event, RoomMembershipEvent):
             self.handle_room_membership_events(
                 room,
                 room_buffer,