"""
Middleware components for the OpenEventDatabase.
"""

from oedb.utils.logging import logger

class HeaderMiddleware:
    """
    Middleware that adds standard headers to all responses.
    """
    
    def process_response(self, req, resp, resource, params):
        """
        Add standard headers to the response.
        
        Args:
            req: The request object.
            resp: The response object.
            resource: The resource object.
            params: The request parameters.
        """
        logger.debug("Adding standard headers to response")
        resp.set_header('X-Powered-By', 'OpenEventDatabase')
        resp.set_header('Access-Control-Allow-Origin', '*')
        resp.set_header('Access-Control-Allow-Headers', 'X-Requested-With')
        resp.set_header('Access-Control-Allow-Headers', 'Content-Type')
        resp.set_header('Access-Control-Allow-Methods','GET, POST, PUT, DELETE, OPTIONS')