enabling login btw users

blueprints/conversation/logic.py

@@ -1,5 +1,9 @@
+import tortoise.exceptions
+
 from .models import Conversation, ConversationMessage
 
+import blueprints.users.models
+
 
 async def create_conversation(name: str = "") -> Conversation:
     conversation = await Conversation.create(name=name)
@@ -10,6 +14,7 @@ async def add_message_to_conversation(
     conversation: Conversation,
     message: str,
     speaker: str,
+    user: blueprints.users.models.User,
 ) -> ConversationMessage:
     print(conversation, message, speaker)
     message = await ConversationMessage.create(
@@ -30,3 +35,12 @@ async def get_the_only_conversation() -> Conversation:
         conversation = await Conversation.create(name="simba_chat")
 
     return conversation
+
+
+async def get_conversation_for_user(user: blueprints.users.models.User) -> Conversation:
+    try:
+        return await Conversation.get(user=user)
+    except tortoise.exceptions.DoesNotExist:
+        await Conversation.get_or_create(name=f"{user.username}'s chat", user=user)
+
+        return await Conversation.get(user=user)