Fix default chat model to use user model if no server chat model set

- Advanced chat model should also fallback to user chat model if set
- Get conversation config should falback to user chat model if set

These assume no server chat model settings is configured

src/khoj/database/adapters/__init__.py

@@ -939,21 +939,21 @@ class ConversationAdapters:
     def get_conversation_config(user: KhojUser):
         subscribed = is_user_subscribed(user)
         if not subscribed:
-            return ConversationAdapters.get_default_conversation_config()
+            return ConversationAdapters.get_default_conversation_config(user)
         config = UserConversationConfig.objects.filter(user=user).first()
         if config:
             return config.setting
-        return ConversationAdapters.get_advanced_conversation_config()
+        return ConversationAdapters.get_advanced_conversation_config(user)
 
     @staticmethod
     async def aget_conversation_config(user: KhojUser):
         subscribed = await ais_user_subscribed(user)
         if not subscribed:
-            return await ConversationAdapters.aget_default_conversation_config()
+            return await ConversationAdapters.aget_default_conversation_config(user)
         config = await UserConversationConfig.objects.filter(user=user).prefetch_related("setting").afirst()
         if config:
             return config.setting
-        return ConversationAdapters.aget_advanced_conversation_config()
+        return ConversationAdapters.aget_advanced_conversation_config(user)
 
     @staticmethod
     async def aget_voice_model_config(user: KhojUser) -> Optional[VoiceModelOption]:
@@ -1014,22 +1014,22 @@ class ConversationAdapters:
         return await ChatModelOptions.objects.filter().prefetch_related("openai_config").afirst()
 
     @staticmethod
-    def get_advanced_conversation_config():
+    def get_advanced_conversation_config(user: KhojUser):
         server_chat_settings = ServerChatSettings.objects.first()
         if server_chat_settings is not None and server_chat_settings.chat_advanced is not None:
             return server_chat_settings.chat_advanced
-        return ConversationAdapters.get_default_conversation_config()
+        return ConversationAdapters.get_default_conversation_config(user)
 
     @staticmethod
-    async def aget_advanced_conversation_config():
+    async def aget_advanced_conversation_config(user: KhojUser = None):
         server_chat_settings: ServerChatSettings = (
             await ServerChatSettings.objects.filter()
             .prefetch_related("chat_advanced", "chat_advanced__openai_config")
             .afirst()
         )
-        if server_chat_settings is not None or server_chat_settings.chat_advanced is not None:
+        if server_chat_settings is not None and server_chat_settings.chat_advanced is not None:
             return server_chat_settings.chat_advanced
-        return await ConversationAdapters.aget_default_conversation_config()
+        return await ConversationAdapters.aget_default_conversation_config(user)
 
     @staticmethod
     def create_conversation_from_public_conversation(

src/khoj/processor/tools/online_search.py

@@ -141,7 +141,6 @@ async def read_webpages(
     conversation_history: dict,
     location: LocationData,
     user: KhojUser,
-    subscribed: bool = False,
     send_status_func: Optional[Callable] = None,
     uploaded_image_url: str = None,
     agent: Agent = None,

src/khoj/routers/api_chat.py

@@ -910,7 +910,6 @@ async def chat(
                     meta_log,
                     location,
                     user,
-                    subscribed,
                     partial(send_event, ChatEvent.STATUS),
                     uploaded_image_url=uploaded_image_url,
                     agent=agent,