Update modules/database/semantic_mongo_db.py

modules/database/semantic_mongo_db.py

@@ -93,8 +93,37 @@ def get_student_semantic_analysis(username, limit=10):
     Returns:
         list: Lista de análisis semánticos
     """
-    query = {"username": username, "analysis_type": "semantic"}
-    return find_documents(COLLECTION_NAME, query, sort=[("timestamp", -1)], limit=limit)
+    try:
+        collection = get_collection(COLLECTION_NAME)
+        if not collection:
+            logger.error("No se pudo obtener la colección")
+            return []
+
+        query = {
+            "username": username,
+            "analysis_type": "semantic"
+        }
+        
+        # Definir los campos que queremos recuperar
+        projection = {
+            "timestamp": 1,
+            "concept_graph": 1,
+            "_id": 1  # MongoDB siempre incluye el _id a menos que lo excluyas explícitamente
+        }
+        
+        cursor = collection.find(
+            query,
+            projection=projection
+        ).sort("timestamp", -1)
+        
+        if limit:
+            cursor = cursor.limit(limit)
+        
+        return list(cursor)
+        
+    except Exception as e:
+        logger.error(f"Error recuperando análisis semántico: {str(e)}")
+        return []
 
 def update_student_semantic_analysis(analysis_id, update_data):
     """