Show conversation topic in buffer title

5 files changed, 35 insertions, 3 deletions

diff --git a/slack/slack_conversation.py b/slack/slack_conversation.py
index d16655a..257796a 100644
--- a/slack/slack_conversation.py
+++ b/slack/slack_conversation.py
@@ -20,7 +20,7 @@ from slack.slack_message import (
 from slack.slack_thread import SlackThread
 from slack.slack_user import SlackBot, SlackUser, nick_color
 from slack.task import gather, run_async
-from slack.util import with_color
+from slack.util import unhtmlescape, with_color
 
 if TYPE_CHECKING:
     from slack_api.slack_conversations_info import SlackConversationsInfo
@@ -248,6 +248,16 @@ class SlackConversation(SlackBuffer):
             return True
         return False
 
+    def buffer_title(self) -> str:
+        # TODO: unfurl and apply styles
+        return unhtmlescape(self._info.get("topic", {}).get("value", ""))
+
+    async def set_topic(self, title: str):
+        if "topic" not in self._info:
+            self._info["topic"] = {"value": "", "creator": "", "last_set": 0}
+        self._info["topic"]["value"] = title
+        await self.update_buffer_props()
+
     async def get_name_and_buffer_props(self) -> Tuple[str, Dict[str, str]]:
         name_without_prefix = await self.name()
         name = f"{self.name_prefix('full_name')}{name_without_prefix}"
@@ -259,7 +269,7 @@ class SlackConversation(SlackBuffer):
 
         return name, {
             "short_name": short_name,
-            "title": "topic",
+            "title": self.buffer_title(),
             "input_multiline": "1",
             "nicklist": "0" if self.type == "im" else "1",
             "nicklist_display_groups": "0",
diff --git a/slack/slack_workspace.py b/slack/slack_workspace.py
index 8c0f9a6..eb26b8e 100644
--- a/slack/slack_workspace.py
+++ b/slack/slack_workspace.py
@@ -375,6 +375,9 @@ class SlackWorkspace:
                 elif "subtype" in data and data["subtype"] == "message_replied":
                     await channel.change_message(data)
                 else:
+                    if "subtype" in data and data["subtype"] == "channel_topic":
+                        await channel.set_topic(data["topic"])
+
                     message = SlackMessage(channel, data)
                     await channel.add_new_message(message)
             elif data["type"] == "reaction_added" and data["item"]["type"] == "message":
diff --git a/typings/slack_api/slack_conversations_history.pyi b/typings/slack_api/slack_conversations_history.pyi
index 4b3702a..7443a14 100644
--- a/typings/slack_api/slack_conversations_history.pyi
+++ b/typings/slack_api/slack_conversations_history.pyi
@@ -456,6 +456,15 @@ class SlackMessageSubtypeChannelLeave(SlackMessageCommon):
 class SlackMessageSubtypeChannelLeaveFinal(SlackMessageSubtypeChannelLeave):
     pass
 
+class SlackMessageSubtypeChannelTopic(SlackMessageCommon):
+    subtype: Literal["channel_topic"]
+    topic: str
+    user: str
+
+@final
+class SlackMessageSubtypeChannelTopicFinal(SlackMessageSubtypeChannelTopic):
+    pass
+
 SlackMessage = (
     SlackMessageStandardFinal
     | SlackMessageMeFinal
@@ -470,6 +479,7 @@ SlackMessage = (
     | SlackMessageSubtypeBotAddFinal
     | SlackMessageSubtypeChannelJoinFinal
     | SlackMessageSubtypeChannelLeaveFinal
+    | SlackMessageSubtypeChannelTopicFinal
     | SlackMessageRtm
 )
 
diff --git a/typings/slack_api/slack_conversations_info.pyi b/typings/slack_api/slack_conversations_info.pyi
index ff42626..7566951 100644
--- a/typings/slack_api/slack_conversations_info.pyi
+++ b/typings/slack_api/slack_conversations_info.pyi
@@ -4,7 +4,7 @@ from typing import Generic, List, TypeVar
 
 from slack_api.slack_common import SlackErrorResponse
 from slack_api.slack_conversations_history import SlackMessage
-from typing_extensions import Literal, TypedDict, final
+from typing_extensions import Literal, NotRequired, TypedDict, final
 
 T = TypeVar("T")
 
@@ -76,6 +76,7 @@ class SlackConversationsInfoIm(SlackConversationsInfoCommon):
     unread_count_display: int
     is_open: bool
     priority: int
+    topic: NotRequired[SlackTopic]
 
 SlackConversationsInfoNotIm = (
     SlackConversationsInfoPublic
diff --git a/typings/slack_rtm/slack_rtm_message.pyi b/typings/slack_rtm/slack_rtm_message.pyi
index 709f4a5..efb9e6b 100644
--- a/typings/slack_rtm/slack_rtm_message.pyi
+++ b/typings/slack_rtm/slack_rtm_message.pyi
@@ -7,6 +7,7 @@ from slack_api.slack_conversations_history import (
     SlackMessageSubtypeBotRemove,
     SlackMessageSubtypeChannelJoin,
     SlackMessageSubtypeChannelLeave,
+    SlackMessageSubtypeChannelTopic,
     SlackMessageSubtypeHuddleThread,
     SlackMessageSubtypeHuddleThreadRoom,
     SlackMessageThreadBroadcast,
@@ -87,6 +88,12 @@ class SlackMessageSubtypeChannelLeaveRtm(SlackMessageSubtypeChannelLeave):
     channel: str
 
 @final
+class SlackMessageSubtypeChannelTopicRtm(SlackMessageSubtypeChannelTopic):
+    channel: str
+    team: str
+    event_ts: str
+
+@final
 class SlackMessageChanged(TypedDict):
     type: Literal["message"]
     subtype: Literal["message_changed"]
@@ -259,6 +266,7 @@ SlackMessageRtm = (
     | SlackMessageSubtypeBotAddRtm
     | SlackMessageSubtypeChannelJoinRtm
     | SlackMessageSubtypeChannelLeaveRtm
+    | SlackMessageSubtypeChannelTopicRtm
 )
 
 SlackRtmMessage = (