add a db helpers

from contextlib import contextmanager

from flask import current_app

from psycopg.rows import dict_row

@contextmanager

def db_cursor(dict_results=False):

    try:

        with current_app.db_pool.connection() as conn:

            with conn.cursor(row_factory=dict_row if dict_results else None) as cur:

                yield conn, cur

    except Exception as e:

        current_app.logger.error(f"Database error: {e}")

        raise

 No newline at end of file