fix: reddit loader validation

application/parser/remote/reddit_loader.py

@@ -1,10 +1,19 @@
 from application.parser.remote.base import BaseRemote
 from langchain_community.document_loaders import RedditPostsLoader
+import json
 
 
 class RedditPostsLoaderRemote(BaseRemote):
     def load_data(self, inputs):
-        data = eval(inputs)
+        try:
+            data = json.loads(inputs)
+        except json.JSONDecodeError as e:
+            raise ValueError(f"Invalid JSON input: {e}")
+
+        required_fields = ["client_id", "client_secret", "user_agent", "search_queries"]
+        missing_fields = [field for field in required_fields if field not in data]
+        if missing_fields:
+            raise ValueError(f"Missing required fields: {', '.join(missing_fields)}")
         client_id = data.get("client_id")
         client_secret = data.get("client_secret")
         user_agent = data.get("user_agent")