League\Route\Strategy\ApplicationStrategy::getExecutionChain()

Complexity

Conditions	3
Paths	2

Size

Total Lines	29
Code Lines	15

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	14
CRAP Score	3

Importance

Changes	2
Bugs	0	Features	0

<?php
    public function getExecutionChain(Route $route, array $vars)
    {
        $middleware = function (
            ServerRequestInterface $request, ResponseInterface $response, callable $next
        ) use (
            $route, $vars
        ) {
            $response = call_user_func_array($route->getCallable(), [$request, $response, $vars]);

            if (! $response instanceof ResponseInterface) {
                throw new RuntimeException(
                    'Route callables must return an instance of (Psr\Http\Message\ResponseInterface)'
                );
            }

            return $next($request, $response);
        };

        $execChain = (new ExecutionChain)->middleware($middleware);

        // ensure middleware is executed in the order it was added
        $stack = array_reverse($route->getMiddlewareStack());

        foreach ($stack as $middleware) {
            $execChain->middleware($middleware);
        }

        return $execChain;
    }
}