member removed fixed

bots/messaging_extension_action_preview_bot.py

@@ -5,16 +5,14 @@ import sys
 import time
 import uuid
 from asyncio import Future
-from datetime import datetime
-from typing import Optional, Dict, Union, List
-from urllib.parse import urlparse, parse_qsl, urlencode, unquote
+from typing import Optional
+from urllib.parse import urlparse, parse_qsl, urlencode
 
 import aiohttp
 from aiohttp.web_app import Application
 from botbuilder.core import (TurnContext, CardFactory, BotFrameworkAdapter,
-                             BotFrameworkAdapterSettings, MessageFactory)
-from botbuilder.schema import Activity, ActivityTypes, ResourceResponse, \
-    AttachmentLayoutTypes
+                             BotFrameworkAdapterSettings)
+from botbuilder.schema import Activity, ActivityTypes, ResourceResponse
 from botbuilder.schema.teams import (TaskModuleContinueResponse,
                                      TaskModuleTaskInfo, TaskModuleResponse,
                                      TaskModuleRequest)
@@ -235,26 +233,30 @@ class TeamsMessagingExtensionsActionPreviewBot(TeamsActivityHandler):
         i18n = get_i18n(turn_context)
         await self.cosmos_client.create_conversation_reference(turn_context)
         if turn_context.activity.channel_id == Channels.ms_teams:
-            members = []
-            for member in turn_context.activity.members_added:
-                if member.id != turn_context.activity.recipient.id:
-                    members.append(member)
-            if len(members) == 1 and turn_context.activity.members_added:
-                member = members[0]
-                name = member.name or ''
-                bot_name = AppConfig.BOT_NAME
-                cmd_help = i18n.t("cmd_help")
-                greetings = i18n.t("hi_message", name=name, bot_name=bot_name,
-                                   cmd_help=cmd_help)
-                await turn_context.send_activity(greetings)
-                return
-            if len(members) > 1 and turn_context.activity.members_added:
-                bot_name = AppConfig.BOT_NAME
-                cmd_help = i18n.t("cmd_help")
-                greetings = i18n.t("greetings_message", bot_name=bot_name,
-                                   cmd_help=cmd_help)
-                await turn_context.send_activity(greetings)
-                return
+            if turn_context.activity.members_removed:
+                # members were removed!
+                pass
+            if turn_context.activity.members_added:
+                members = []
+                for member in turn_context.activity.members_added:
+                    if member.id != turn_context.activity.recipient.id:
+                        members.append(member)
+                if len(members) == 1 and turn_context.activity.members_added:
+                    member = members[0]
+                    name = member.name or member.id
+                    bot_name = AppConfig.BOT_NAME
+                    cmd_help = i18n.t("cmd_help")
+                    greetings = i18n.t("hi_message", name=name,
+                                       bot_name=bot_name, cmd_help=cmd_help)
+                    await turn_context.send_activity(greetings)
+                    return
+                if len(members) > 1 and turn_context.activity.members_added:
+                    bot_name = AppConfig.BOT_NAME
+                    cmd_help = i18n.t("cmd_help")
+                    greetings = i18n.t("greetings_message", bot_name=bot_name,
+                                       cmd_help=cmd_help)
+                    await turn_context.send_activity(greetings)
+                    return
 
     async def handle_submit_action(self, turn_context: TurnContext) -> None:
         """ Handle card submit action """