Update app.py

app.py

@@ -5,11 +5,17 @@ from pymongo import MongoClient
 from datetime import datetime
 from pathlib import Path
 from document_chunker import DocumentChunker
+from urllib.parse import quote_plus
 
 # === MongoDB connection via Hugging Face secrets ===
-mongo_uri = os.environ["MONGO_URI"]
+user = quote_plus(os.getenv("MONGO_USER"))
+password = quote_plus(os.getenv("MONGO_PASS"))
+cluster = os.getenv("MONGO_CLUSTER")
+# db_name = "grant_docs"
 db_name = os.environ.get("MONGO_DB", "grant_docs")
-client = MongoClient(mongo_uri)
+mongo_uri = f"mongodb+srv://{user}:{password}@{cluster}/{db_name}?retryWrites=true&w=majority&tls=true&tlsAllowInvalidCertificates=true"
+# mongo_uri = os.environ["MONGO_URI"]
+client = MongoClient(mongo_uri, tls=True, tlsAllowInvalidCertificates=True, serverSelectionTimeoutMS=20000)
 db = client[db_name]
 
 # === Streamlit UI ===