minor improvements

.gitignore

@@ -2,3 +2,4 @@
 /shelf/
 /workspace.xml
 .env
+.pyc

main.py

@@ -1,6 +1,7 @@
 import os
 from dotenv import load_dotenv
 from flask import Flask
+from flask_cors import CORS
 from flask_sqlalchemy import SQLAlchemy
 from routes import register_route
 
@@ -13,5 +14,8 @@ db.init_app(app)
 
 register_route(app, db)
 
+CORS(app, resources={r"/find_agents": {"origins": os.getenv("ORIGINS")}}) 
+
+
 if __name__ == '__main__':
     app.run(debug=True)

routes.py

@@ -1,5 +1,5 @@
 import os
-from flask import jsonify, request
+from flask import jsonify, request, make_response
 from sqlalchemy import inspect, func, text
 from sqlalchemy.orm import sessionmaker
 from geoalchemy2 import Geometry
@@ -16,11 +16,18 @@ def register_route(app,db):
         tables = inspector.get_table_names()
         return jsonify(tables)
     
-    @app.route('/find_points/', methods=['POST'])
+    @app.route('/find_agents', methods=['POST','OPTIONS'])
     def find_points():
+        if request.method == 'OPTIONS':
+            response = make_response()
+            response.headers.add("Access-Control-Allow-Origin", "http://localhost:4000")
+            response.headers.add('Access-Control-Allow-Headers', 'Content-Type')
+            response.headers.add('Access-Control-Allow-Methods', 'POST, OPTIONS')
+            return response
+        elif request.method == 'POST':
             data = request.json
             coordinates = data.get('coordinates', [])
-        polygon_wkt = 'POLYGON(({}))'.format(', '.join(f'{lat} {lng}' for lat, lng in coordinates))
+            polygon_wkt = 'POLYGON(({}))'.format(', '.join(f'{lng} {lat}' for lat, lng in coordinates))
         
             # Construct the query string
             query = f"""