cors fixed

flask_app.py

@@ -1,4 +1,5 @@
 from flask import Flask, g, render_template, request, jsonify, session
+from flask_cors import CORS  # Add this import
 import os
 
 from helpers.GROQ import ConversationGROQ
@@ -8,6 +9,7 @@ import re
 import pandas as pd
 
 app = Flask(__name__)
+CORS(app, supports_credentials=True)  # Add this line to enable CORS
 app.secret_key = os.urandom(24)  # Set a secret key for session encryption
 app.config["SESSION_COOKIE_SAMESITE"] = "None"
 app.config["SESSION_COOKIE_SECURE"] = True
@@ -78,8 +80,15 @@ def index():
     except Exception as e:
         return jsonify({"error": f"Database connection failed: {str(e)}", "format": "json"}), 500
 
-@app.route('/chat', methods=['POST'])
+@app.route('/chat', methods=['POST', 'OPTIONS'])  # Add OPTIONS method
 def chat():
+    if request.method == 'OPTIONS':
+        # Respond to preflight request
+        response = app.make_default_options_response()
+        response.headers['Access-Control-Allow-Headers'] = 'Content-Type'
+        response.headers['Access-Control-Allow-Methods'] = 'POST'
+        return response
+
     data = request.json
     
     if 'DB_HOST' not in session: