Fixed channel for get channel name can be None #362

kdb-bot/src/bot_data/model/user_joined_voice_channel.py

@@ -39,7 +39,10 @@ class UserJoinedVoiceChannel(TableABC):
     @property
     @ServiceProviderABC.inject
     def channel_name(self, bot: DiscordBotServiceABC) -> str:
-        return bot.get_channel(self.channel_id).name
+        channel = bot.get_channel(self.channel_id)
+        if channel is None:
+            return ""
+        return channel.name
 
     @property
     def user(self) -> User:

kdb-bot/src/bot_data/model/user_joined_voice_channel_history.py

@@ -41,7 +41,10 @@ class UserJoinedVoiceChannelHistory(HistoryTableABC):
     @property
     @ServiceProviderABC.inject
     def channel_name(self, bot: DiscordBotServiceABC) -> str:
-        return bot.get_channel(self.channel_id).name
+        channel = bot.get_channel(self.channel_id)
+        if channel is None:
+            return ""
+        return channel.name
 
     @property
     def user(self) -> int: