update gitignore

.gitignore

@@ -4,3 +4,7 @@ __pycache__/
 *.jsonl
 *.code-workspace
 .env
+
+# React App Vite
+node_modules/
+dist/

server/app.py

@@ -1,14 +1,29 @@
-from flask import Flask
-from connectors.reddit_api import RedditAPI
+from flask import Flask, jsonify, request
+import pandas as pd
 
 app = Flask(__name__)
 
-reddit_connector = RedditAPI()
+@app.route('/upload', methods=['POST'])
+def upload_data():
+    if "file" not in request.files:
+        return jsonify({"error": "No file part in the request"}), 400
     
-@app.route('/fetch_subreddit/<string:subreddit>/<int:limit>', methods=['GET'])
-def fetch_subreddit(subreddit, limit = 10):
-    posts = reddit_connector.get_top_subreddit_posts(subreddit, limit=limit, timeframe='all')
-    return {"status": "success", "posts": [post.__dict__ for post in posts]}
+    file = request.files["file"]
+
+    if file.filename == "":
+        return jsonify({"error": "Empty filename"}), 400
+    
+    if not file.filename.endswith('.jsonl'):
+        return jsonify({"error": "Invalid file type. Only .jsonl files are allowed."}), 400
+    
+    try:
+        df = pd.read_json(file, lines=True)
+    except ValueError as e:
+        return jsonify({"error": f"Failed to read JSONL file: {str(e)}"}), 400
+    except Exception as e:
+        return jsonify({"error": f"An unexpected error occurred: {str(e)}"}), 500
+    
+    return jsonify({"message": "File uploaded successfully", "data_preview": df.head().to_dict(orient='records')}), 200
 
 if __name__ == "__main__":
     app.run(debug=True)