Update app.py

app.py

@@ -38,7 +38,31 @@ def invoke(openai_api_key, prompt, rag_option):
             #}
     
             #additional_stages = [match_stage]
-            additional_stages = []
+            ###
+            projection_stage = {
+                "$project": {
+                    "_id": 0,  
+                    "name": 1,
+                    "accommodates": 1,
+                    "address.street": 1,
+                    "address.government_area": 1, 
+                    "address.market": 1,
+                    "address.country": 1, 
+                    "address.country_code": 1, 
+                    "address.location.type": 1, 
+                    "address.location.coordinates": 1,  
+                    "address.location.is_location_exact": 1,
+                    "summary": 1,
+                    "space": 1,  
+                    "neighborhood_overview": 1, 
+                    "notes": 1, 
+                    "score": {"$meta": "vectorSearchScore"} 
+                }
+            }
+            
+            additional_stages = [projection_stage]
+            ###
+            #additional_stages = []
             ###
             
             search_results = rag_retrieval(openai_api_key, prompt, db, collection, additional_stages)