Yiisoft\Router\Route

Complexity

Total Complexity

40

Size/Duplication

Total Lines	316
Duplicated Lines	0 %

Test Coverage

Coverage

94.52%

Importance

Changes	17
Bugs	4	Features	0

26 Methods

Rating	Name	Duplication	Size	Complexity
A	patch()	0	3	1
A	getData()	0	13	1
A	put()	0	3	1
A	hosts()	0	7	1
A	name()	0	5	1
A	processDefaults()	0	3	1
A	defaults()	0	5	1
A	override()	0	5	1
A	processMethods()	0	17	3
A	head()	0	3	1
A	methods()	0	5	1
A	action()	0	7	1
A	__construct()	0	13	1
A	processHosts()	0	11	4
A	pattern()	0	5	1
A	delete()	0	3	1
A	get()	0	3	1
A	disableMiddleware()	0	9	1
A	post()	0	3	1
A	__toString()	0	21	5
A	options()	0	3	1
A	middleware()	0	12	2
A	host()	0	3	1
A	prependMiddleware()	0	12	2
A	getMiddlewares()	0	15	4
A	__debugInfo()	0	13	1

<?php

declare(strict_types=1);

namespace Yiisoft\Router;

use Attribute;
use InvalidArgumentException;
use RuntimeException;
use Stringable;
use Yiisoft\Http\Method;

use function in_array;

/**
 * Route defines a mapping from URL to callback / name and vice versa.
 */
#[Attribute(Attribute::TARGET_METHOD | Attribute::TARGET_CLASS | Attribute::IS_REPEATABLE)]
final class Route implements Stringable
{
    private bool $actionAdded = false;
    private array $builtMiddlewares = [];

    /**
     * @param string[] $methods HTTP method names
     * @param string[] $hosts
     * @param array[]|callable[]|string[] $middlewares
     * @param array $disabledMiddlewares Excludes middleware from being invoked when action is handled.
     * It is useful to avoid invoking one of the parent group middleware for
     * a certain route.
     * @param bool $override Marks route as override. When added it will replace existing route with the same name.
     * @param array<string,string> $defaults  Parameter default values indexed by parameter names.
     * @psalm-param array<string,null|Stringable|scalar> $defaults
     */
    public function __construct(
        private array $methods,
        private string $pattern,
        private ?string $name = null,
        private array $middlewares = [],
        private array $disabledMiddlewares = [],
        private array $hosts = [],
        private bool $override = false,
        private array $defaults = [],
    ) {
        $this->methods = $this->processMethods($this->methods);
        $this->hosts = $this->processHosts($this->hosts);
        $this->defaults = $this->processDefaults($this->defaults);
    }

    public static function get(string $pattern): self
    {
        return self::methods([Method::GET], $pattern);
    }

    public static function post(string $pattern): self
    {
        return self::methods([Method::POST], $pattern);
    }

    public static function put(string $pattern): self
    {
        return self::methods([Method::PUT], $pattern);
    }

    public static function delete(string $pattern): self
    {
        return self::methods([Method::DELETE], $pattern);
    }

    public static function patch(string $pattern): self
    {
        return self::methods([Method::PATCH], $pattern);
    }

    public static function head(string $pattern): self
    {
        return self::methods([Method::HEAD], $pattern);
    }

    public static function options(string $pattern): self
    {
        return self::methods([Method::OPTIONS], $pattern);
    }

    /**
     * @param string[] $methods
     */
    public static function methods(
        array $methods,
        string $pattern,
    ): self {
        return new self($methods, $pattern);
    }

    public function name(string $name): self
    {
        $route = clone $this;
        $route->name = $name;
        return $route;
    }

    public function pattern(string $pattern): self
    {
        $new = clone $this;
        $new->pattern = $pattern;
        return $new;
    }

    public function host(string $host): self
    {
        return $this->hosts($host);
    }

    public function hosts(string ...$hosts): self
    {
        $route = clone $this;

        $route->hosts = $this->processHosts($hosts);

        return $route;
    }

    /**
     * Marks route as override. When added it will replace existing route with the same name.
     */
    public function override(): self
    {
        $route = clone $this;
        $route->override = true;
        return $route;
    }

    /**
     * Parameter default values indexed by parameter names.
     *
     * @psalm-param array<string,null|Stringable|scalar> $defaults
     */
    public function defaults(array $defaults): self
    {
        $route = clone $this;
        $route->defaults = $this->processDefaults($defaults);
        return $route;
    }

    /**
     * Appends a handler middleware definition that should be invoked for a matched route.
     * First added handler will be executed first.
     */
    public function middleware(array|callable|string ...$middlewareDefinition): self
    {
        if ($this->actionAdded) {
            throw new RuntimeException('middleware() can not be used after action().');
        }
        $route = clone $this;
        array_push(
            $route->middlewares,
            ...array_values($middlewareDefinition)
        );
        $route->builtMiddlewares = [];
        return $route;
    }

    /**
     * Prepends a handler middleware definition that should be invoked for a matched route.
     * Last added handler will be executed first.
     */
    public function prependMiddleware(array|callable|string ...$middlewareDefinition): self
    {
        if (!$this->actionAdded) {
            throw new RuntimeException('prependMiddleware() can not be used before action().');
        }
        $route = clone $this;
        array_unshift(
            $route->middlewares,
            ...array_values($middlewareDefinition)
        );
        $route->builtMiddlewares = [];
        return $route;
    }

    /**
     * Appends action handler. It is a primary middleware definition that should be invoked last for a matched route.
     */
    public function action(array|callable|string $middlewareDefinition): self
    {
        $route = clone $this;
        $route->middlewares[] = $middlewareDefinition;
        $route->builtMiddlewares = [];
        $route->actionAdded = true;
        return $route;
    }

    /**
     * Excludes middleware from being invoked when action is handled.
     * It is useful to avoid invoking one of the parent group middleware for
     * a certain route.
     */
    public function disableMiddleware(mixed ...$middlewareDefinition): self
    {
        $route = clone $this;
        array_push(
            $route->disabledMiddlewares,
            ...array_values($middlewareDefinition)
        );
        $route->builtMiddlewares = [];
        return $route;
    }

    /**
     * @psalm-template T as string
     *
     * @psalm-param T $key
     *
     * @psalm-return (
     *   T is ('name'|'pattern') ? string :
     *       (T is 'host' ? string|null :
     *           (T is 'hosts' ? array<array-key, string> :
     *               (T is 'methods' ? array<array-key,string> :
     *                   (T is 'defaults' ? array<string,string> :
     *                       (T is ('override'|'hasMiddlewares') ? bool : mixed)
     *                   )
     *               )
     *           )
     *       )
     *    )
     */
    public function getData(string $key): mixed
    {
        return match ($key) {
            'name' => $this->name ??
                (implode(', ', $this->methods) . ' ' . implode('|', $this->hosts) . $this->pattern),
            'pattern' => $this->pattern,
            'host' => $this->hosts[0] ?? null,
            'hosts' => $this->hosts,
            'methods' => $this->methods,
            'defaults' => $this->defaults,
            'override' => $this->override,
            'hasMiddlewares' => $this->middlewares !== [],
            default => throw new InvalidArgumentException('Unknown data key: ' . $key),
        };
    }

    public function __toString(): string
    {
        $result = $this->name === null
            ? ''
            : '[' . $this->name . '] ';

        if ($this->methods !== []) {
            $result .= implode(',', $this->methods) . ' ';
        }

        if ($this->hosts) {

The expression $this->hosts of type array is implicitly converted to a boolean; are you sure this is intended? If so, consider using ! empty($expr) instead to make it clear that you intend to check for an array without elements.

            $quoted = array_map(static fn ($host) => preg_quote($host, '/'), $this->hosts);

            if (!preg_match('/' . implode('|', $quoted) . '/', $this->pattern)) {
                $result .= implode('|', $this->hosts);
            }
        }

        $result .= $this->pattern;

        return $result;
    }

    public function __debugInfo()
    {
        return [
            'name' => $this->name,
            'methods' => $this->methods,
            'pattern' => $this->pattern,
            'hosts' => $this->hosts,
            'defaults' => $this->defaults,
            'override' => $this->override,
            'actionAdded' => $this->actionAdded,
            'middlewareDefinitions' => $this->middlewares,
            'builtMiddlewares' => $this->builtMiddlewares,
            'disabledMiddlewareDefinitions' => $this->disabledMiddlewares,
        ];
    }

    public function getMiddlewares(): array
    {
        if ($this->builtMiddlewares !== []) {
            return $this->builtMiddlewares;
        }
        $result = $this->middlewares;
        /** @var mixed $definition */
        foreach ($result as $index => $definition) {
            if (in_array($definition, $this->disabledMiddlewares, true)) {
                unset($result[$index]);
            }
        }
        $this->builtMiddlewares = $result;

        return $result;
    }

    private function processDefaults(array $defaults): array
    {
        return array_map('\strval', $defaults);
    }

    private function processHosts(array $hosts): array
    {
        $result = [];
        foreach ($hosts as $host) {
            $host = rtrim($host, '/');

            if ($host !== '' && !in_array($host, $result, true)) {
                $result[] = $host;
            }
        }
        return $result;
    }

    private function processMethods(array $methods): array
    {
        $result = [];
        foreach ($methods as $method) {
            $method = strtoupper($method);
            if (!in_array($method, Method::ALL, true)) {
                throw new \InvalidArgumentException(
                    sprintf(
                        'Method "%s" is not supported. Possible methods: "%s".',
                        $method,
                        implode('", "', Method::ALL),
                    )
                );
            }
            $result[] = $method;
        }
        return $result;
    }
}