Update config.py

config.py

@@ -1,20 +1,33 @@
-import os
-from dotenv import load_dotenv
-import uuid
-
-# Load environment variables from a .env file
-load_dotenv()
-
-# Google GenAI API Key
-GOOGLE_API_KEY = os.getenv("GOOGLE_API_KEY")
-
-# SQLite Database File Path
-DB_PATH = os.getenv("DB_PATH", "chats_data/sqlite.db")  # Default file if not set
-
-# LangChain Configuration
-MODEL_NAME = "gemini-1.5-pro"
-TEMP = 0.7  # Model temperature
-
-# Function to generate a new session ID (UUID)
-def generate_session_id():
-    return str(uuid.uuid4())
+import os
+from dotenv import load_dotenv
+import uuid
+
+# Load environment variables from a .env file
+load_dotenv()
+
+# Google GenAI API Key
+GOOGLE_API_KEY = os.getenv("GOOGLE_API_KEY")
+
+# SQLite Database File Path
+DB_PATH = os.getenv("DB_PATH", "chats_data/sqlite.db")  # Default file if not set
+
+# LangChain Configuration
+MODEL_NAME = "gemini-1.5-pro"
+TEMP = 0.7  # Model temperature
+
+# Function to generate a persistent user ID
+def generate_user_id():
+    """Generates or retrieves a persistent user ID."""
+    user_id_file = "user_id.txt"
+
+    # Check if a user ID already exists
+    if os.path.exists(user_id_file):
+        with open(user_id_file, "r") as f:
+            return f.read().strip()
+    
+    # Generate a new user ID and save it
+    new_user_id = str(uuid.uuid4())
+    with open(user_id_file, "w") as f:
+        f.write(new_user_id)
+    
+    return new_user_id