Refactor dataset preferences path usage for consistency and clarity; rename get_chat_histories to get_chat_history for accuracy

app.py

@@ -17,6 +17,7 @@ from config.settings import (
     DATASET_ID,
     DATASET_CHAT_HISTORY_PATH,
     DATASET_VECTOR_STORE_PATH,
+    DATASET_PREFERENCES_PATH,
     DEFAULT_MODEL,
     API_CONFIG,
     DATASET_ERROR_LOGS_PATH  # добавляем импорт
@@ -62,8 +63,8 @@ logger.info(f"Chat histories will be saved to: {DATASET_CHAT_HISTORY_PATH}")
 def load_user_preferences():
     """Load user preferences from file"""
     try:
-        if os.path.exists(USER_PREFERENCES_PATH):
-            with open(USER_PREFERENCES_PATH, 'r') as f:
+        if os.path.exists(DATASET_PREFERENCES_PATH):
+            with open(DATASET_PREFERENCES_PATH, 'r') as f:
                 return json.load(f)
         return {
             "selected_model": DEFAULT_MODEL,

src/analytics/chat_evaluator.py

@@ -69,7 +69,7 @@ class ChatEvaluator:
             logger.error(f"Error ensuring dataset structure: {e}")
             raise
 
-    def get_chat_histories(self) -> List[Dict[str, Any]]:
+    def get_chat_history(self) -> List[Dict[str, Any]]:
         """
         Get all chat histories from the dataset
         """