fix: Error: fix 500 server error

api/config.py

@@ -0,0 +1,22 @@
+from flask import Flask
+from flask_sqlalchemy import SQLAlchemy
+from flask_cors import CORS
+from flask_migrate import Migrate
+import os
+
+
+
+
+# init
+app = Flask(__name__)
+CORS(app)
+
+
+# Database configuration
+app.config['SQLALCHEMY_DATABASE_URI'] = os.environ.get('POSTGRES_URL') 
+app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+
+
+#instance of db
+db = SQLAlchemy(app)
+migrate = Migrate(app, db)

api/main.py

@@ -1,64 +1,47 @@
-from flask import request, jsonify
-from . import app, db
-from .models import User
+from flask import  request, jsonify
+from config import app, db
+from models import User
+import traceback
+
+
 
 @app.route("/api/welcome")
 def hello_world():
     return jsonify({"message": "Welcome to the API"}), 200
 
 @app.route('/api/users', methods=['GET'])
 def get_users():
-    try:
-        users = User.query.all()
-        return jsonify([user.to_json() for user in users]), 200
-    except Exception as e:
-        app.logger.error(f"Error fetching users: {str(e)}")
-        return jsonify({"error": "An error occurred while fetching users"}), 500
+    users = User.query.all()
+    return jsonify([user.to_json() for user in users]), 200
 
 @app.route('/api/users/<int:user_id>', methods=['GET'])    
 def get_user(user_id):    
-    try:
-        user = User.query.get_or_404(user_id)    
-        return jsonify(user.to_json()), 200
-    except Exception as e:
-        app.logger.error(f"Error fetching user {user_id}: {str(e)}")
-        return jsonify({"error": f"An error occurred while fetching user {user_id}"}), 500
+    user = User.query.get_or_404(user_id)    
+    return jsonify(user.to_json()), 200
 
 @app.route('/api/users/<int:user_id>', methods=['PATCH'])
 def update_user(user_id):
-    try:
-        data = request.json
-        user = User.query.get_or_404(user_id)
-        user.first_name = data.get('first_name', user.first_name)
-        user.last_name = data.get('last_name', user.last_name)
-        user.email = data.get('email', user.email)
-        user.is_active = data.get('is_active', user.is_active)
-        user.is_admin = data.get('is_admin', user.is_admin)
-        db.session.commit()
-        return jsonify(user.to_json()), 200
-    except Exception as e:
-        db.session.rollback()
-        app.logger.error(f"Error updating user {user_id}: {str(e)}")
-        return jsonify({"error": f"An error occurred while updating user {user_id}"}), 500
-
+    data = request.json
+    user = User.query.get_or_404(user_id)
+    user.first_name = data['first_name']
+    user.last_name = data['last_name']
+    user.email = data['email']
+    user.is_active = data['is_active']
+    user.is_admin = data['is_admin']
+    db.session.commit()
+    return jsonify(user.to_json()), 200
 @app.route('/api/users/<int:user_id>', methods=['DELETE'])
 def delete_user(user_id):
-    try:
-        user = User.query.get_or_404(user_id)
-        db.session.delete(user)
-        db.session.commit()
-        return jsonify({"message": "User deleted"}), 200
-    except Exception as e:
-        db.session.rollback()
-        app.logger.error(f"Error deleting user {user_id}: {str(e)}")
-        return jsonify({"error": f"An error occurred while deleting user {user_id}"}), 500
-
-# Error handling for 404 and 500 errors
-@app.errorhandler(404)
-def not_found_error(error):
-    return jsonify({"error": "Not found"}), 404
+    user = User.query.get_or_404(user_id)
+    db.session.delete(user)
+    db.session.commit()
+    return jsonify({"message": "User deleted"}), 200
+
+@app.errorhandler(Exception)
+def handle_exception(e):
+    # Log the full traceback
+    app.logger.error(f"Unhandled Exception: {str(e)}\n{traceback.format_exc()}")
+    return jsonify(error=str(e)), 500
 
-@app.errorhandler(500)
-def internal_error(error):
-    db.session.rollback()
-    return jsonify({"error": "Internal server error"}), 500
+if __name__ == "__main__":
+    app.run(host="0.0.0.0", port=8000)

vercel.json

@@ -1,23 +1,11 @@
 {
-  "builds": [
-    {
-      "src": "api/__init__.py",
-      "use": "@vercel/python",
-      "config": {
-        "maxLambdaSize": "15mb",
-        "runtime": "python3.9"
-      }
-    },
-    {
-      "src": "package.json",
-      "use": "@vercel/next"
-    }
-  ],
+    "builds": [
+        { "src": "api/main.py", "use": "@vercel/python", "config": { "runtime": "python3.12" } },
+        { "src": "package.json", "use": "@vercel/next" }
+      ],
   "routes": [
-    { "src": "/api/(.*)", "dest": "api/__init__.py" },
+    { "src": "/api/(.*)", "dest": "api/main.py" },
     { "src": "/(.*)", "dest": "/$1" }
-  ],
-  "env": {
-    "FLASK_ENV": "production"
-  }
-}
+  ]
+}
+