commands: Add join/part.

main.py

@@ -43,8 +43,8 @@ from matrix.utf import utf8_decode
 # Weechat searches for the registered callbacks in the scope of the main script
 # file, import the callbacks here so weechat can find them.
 from matrix.commands import (hook_commands, hook_page_up, matrix_command_cb,
-                             matrix_topic_command_cb, matrix_command_join_cb,
-                             matrix_command_part_cb, matrix_invite_command_cb,
+                             matrix_topic_command_cb, matrix_join_command_cb,
+                             matrix_part_command_cb, matrix_invite_command_cb,
                              matrix_command_pgup_cb, matrix_redact_command_cb,
                              matrix_command_buf_clear_cb, matrix_me_command_cb,
                              matrix_kick_command_cb)

matrix/buffer.py

@@ -783,6 +783,8 @@ class RoomBuffer(object):
     def __init__(self, room, server_name):
         self.room = room
         self.backlog_pending = False
+        self.joined = True
+        self.leave_event_id = None  # type: Optional[str]
 
         buffer_name = "{}.{}".format(room.room_id, server_name)
 
@@ -854,6 +856,12 @@ class RoomBuffer(object):
             if event.state_key in self.displayed_nicks:
                 del self.displayed_nicks[event.state_key]
 
+            # We left the room, remember the event id of our leave, if we
+            # rejoin we get events that came before this event as well as
+            # after our leave, this way we know where to continue
+            if event.state_key == self.room.own_user_id:
+                self.leave_event_id = event.event_id
+
         elif event.content["membership"] == "invite":
             if is_state:
                 return
@@ -1200,6 +1208,44 @@ class RoomBuffer(object):
 
         self.sort_messages()
 
+    def handle_joined_room(self, info):
+        for event in info.state:
+            self.handle_state_event(event)
+
+        timeline_events = None
+
+        # This is a rejoin, skip already handled events
+        if not self.joined:
+            leave_index = None
+
+            for i, event in enumerate(info.timeline.events):
+                if event.event_id == self.leave_event_id:
+                    leave_index = i
+                    break
+
+            if leave_index:
+                timeline_events = info.timeline.events[leave_index:]
+            else:
+                timeline_events = info.timeline.events
+
+            # mark that we are now joined
+            self.joined = True
+
+        else:
+            timeline_events = info.timeline.events
+
+        for event in timeline_events:
+            self.handle_timeline_event(event)
+
+    def handle_left_room(self, info):
+        self.joined = False
+
+        for event in info.state:
+            self.handle_state_event(event)
+
+        for event in info.timeline.events:
+            self.handle_timeline_event(event)
+
     def error(self, string):
         # type: (str) -> None
         self.weechat_buffer.error(string)

matrix/commands.py

@@ -79,6 +79,18 @@ class WeechatCommandParser(object):
 
         return WeechatCommandParser._run_parser(parser, args)
 
+    @staticmethod
+    def join(args):
+        parser = WeechatArgParse(prog="join")
+        parser.add_argument("room_id")
+        return WeechatCommandParser._run_parser(parser, args)
+
+    @staticmethod
+    def part(args):
+        parser = WeechatArgParse(prog="part")
+        parser.add_argument("room_id", nargs="?")
+        return WeechatCommandParser._run_parser(parser, args)
+
 
 def hook_commands():
     W.hook_command(
@@ -185,9 +197,34 @@ def hook_commands():
         "matrix_invite_command_cb",
         "")
 
-    # TODO those should be hook_command() calls
-    # W.hook_command_run('/join', 'matrix_command_join_cb', '')
-    # W.hook_command_run('/part', 'matrix_command_part_cb', '')
+    W.hook_command(
+        # Command name and short description
+        "join",
+        "join a room",
+        # Synopsis
+        ("<room-id>|<room-alias>"),
+        # Description
+        ("   room-id: room-id of the room to join\n"
+         "room-alias: room alias of the room to join"),
+        # Completions
+        "",
+        # Callback
+        "matrix_join_command_cb",
+        "")
+
+    W.hook_command(
+        # Command name and short description
+        "part",
+        "leave a room",
+        # Synopsis
+        ("[<room-name>]"),
+        # Description
+        ("   room-name: room name of the room to leave"),
+        # Completions
+        "",
+        # Callback
+        "matrix_part_command_cb",
+        "")
 
     W.hook_command_run('/buffer clear', 'matrix_command_buf_clear_cb', '')
 
@@ -320,64 +357,41 @@ def matrix_command_pgup_cb(data, buffer, command):
 
 
 @utf8_decode
-def matrix_command_join_cb(data, buffer, command):
-
-    def join(server, args):
-        split_args = args.split(" ", 1)
-
-        # TODO handle join for non public rooms
-        if len(split_args) != 2:
-            message = ("{prefix}Error with command \"/join\" (help on "
-                       "command: /help join)").format(prefix=W.prefix("error"))
-            W.prnt("", message)
-            return
-
-        _, room_id = split_args
-
-        raise NotImplementedError
+def matrix_join_command_cb(data, buffer, args):
+    parsed_args = WeechatCommandParser.join(args)
+    if not parsed_args:
+        return W.WEECHAT_RC_OK
 
     for server in SERVERS.values():
-        if buffer in server.buffers.values():
-            join(server, command)
-            return W.WEECHAT_RC_OK_EAT
-        elif buffer == server.server_buffer:
-            join(server, command)
-            return W.WEECHAT_RC_OK_EAT
+        if buffer in server.buffers.values() or buffer == server.server_buffer:
+            server.room_join(parsed_args.room_id)
+            break
 
     return W.WEECHAT_RC_OK
 
 
 @utf8_decode
-def matrix_command_part_cb(data, buffer, command):
-
-    def part(server, buffer, args):
-        rooms = []
-
-        split_args = args.split(" ", 1)
-
-        if len(split_args) == 1:
-            if buffer == server.server_buffer:
-                message = (
-                    "{prefix}Error with command \"/part\" (help on "
-                    "command: /help part)").format(prefix=W.prefix("error"))
-                W.prnt("", message)
-                return
-
-            rooms = [key_from_value(server.buffers, buffer)]
-
-        else:
-            _, rooms = split_args
-            rooms = rooms.split(" ")
-
-        raise NotImplementedError
+def matrix_part_command_cb(data, buffer, args):
+    parsed_args = WeechatCommandParser.part(args)
+    if not parsed_args:
+        return W.WEECHAT_RC_OK
 
     for server in SERVERS.values():
-        if buffer in server.buffers.values():
-            part(server, buffer, command)
-            return W.WEECHAT_RC_OK_EAT
-        elif buffer == server.server_buffer:
-            part(server, buffer, command)
-            return W.WEECHAT_RC_OK_EAT
+        if buffer in server.buffers.values() or buffer == server.server_buffer:
+            room_id = parsed_args.room_id
+
+            if not room_id:
+                if buffer == server.server_buffer:
+                    server.error("command \"part\" must be "
+                                 "executed on a Matrix room buffer or a room "
+                                 "name needs to be given")
+                    return W.WEECHAT_RC_OK
+
+                room_buffer = server.find_room_from_ptr(buffer)
+                room_id = room_buffer.room.room_id
+
+            server.room_leave(room_id)
+            break
 
     return W.WEECHAT_RC_OK
 
@@ -736,8 +750,8 @@ def matrix_server_command_delete(args):
 def matrix_server_command_add(args):
     if len(args) < 2:
         message = ("{prefix}matrix: Too few arguments for command "
-                   "\"/matrix server add\" (see /matrix help server)"
-                  ).format(prefix=W.prefix("error"))
+                   "\"/matrix server add\" (see /matrix help server)").format(
+            prefix=W.prefix("error"))
         W.prnt("", message)
         return
     elif len(args) > 4:
@@ -865,7 +879,6 @@ def matrix_server_command_add(args):
 
 
 def matrix_server_command(command, args):
-
     def list_servers(_):
         if SERVERS:
             W.prnt("", "\nAll matrix servers:")
@@ -892,7 +905,6 @@ def matrix_server_command(command, args):
 
 @utf8_decode
 def matrix_command_cb(data, buffer, args):
-
     def connect_server(args):
         for server_name in args:
             if check_server_existence(server_name, SERVERS):
@@ -913,7 +925,8 @@ def matrix_command_cb(data, buffer, args):
 
     if len(split_args) < 1:
         message = ("{prefix}matrix: Too few arguments for command "
-                   "\"/matrix\" (see /help matrix)").format(prefix=W.prefix("error"))
+                   "\"/matrix\" "
+                   "(see /help matrix)").format(prefix=W.prefix("error"))
         W.prnt("", message)
         return W.WEECHAT_RC_ERROR
 

matrix/server.py

@@ -528,6 +528,14 @@ class MatrixServer(object):
             user_id)
         self.send_or_queue(request)
 
+    def room_join(self, room_id):
+        _, request = self.client.join(room_id)
+        self.send_or_queue(request)
+
+    def room_leave(self, room_id):
+        _, request = self.client.room_leave(room_id)
+        self.send_or_queue(request)
+
     def room_send_message(self, room_buffer, formatted, msgtype="m.text"):
         # type: (RoomBuffer, Formatted, str) -> None
         if room_buffer.room.encrypted:
@@ -617,17 +625,19 @@ class MatrixServer(object):
         self.sync(timeout=0, filter=sync_filter)
 
     def _handle_room_info(self, response):
-        for room_id, join_info in response.rooms.join.items():
+        for room_id, info in response.rooms.leave.items():
+            if room_id not in self.buffers:
+                continue
+
+            room_buffer = self.find_room_from_id(room_id)
+            room_buffer.handle_left_room(info)
+
+        for room_id, info in response.rooms.join.items():
             if room_id not in self.buffers:
                 self.create_room_buffer(room_id)
 
             room_buffer = self.find_room_from_id(room_id)
-
-            for event in join_info.state:
-                room_buffer.handle_state_event(event)
-
-            for event in join_info.timeline.events:
-                room_buffer.handle_timeline_event(event)
+            room_buffer.handle_joined_room(info)
 
     def _handle_sync(self, response):
         # we got the same batch again, nothing to do