118 lines
3.2 KiB
PHP
118 lines
3.2 KiB
PHP
<?php
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namespace App\Core;
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class Router
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{
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private array $routes = [];
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private array $params = [];
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public function add(string $method, string $route, string $controller, string $action): self
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{
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$this->routes[] = [
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'method' => strtoupper($method),
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'route' => $route,
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'controller' => $controller,
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'action' => $action
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];
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return $this;
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}
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public function get(string $route, string $controller, string $action): self
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{
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return $this->add('GET', $route, $controller, $action);
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}
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public function post(string $route, string $controller, string $action): self
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{
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return $this->add('POST', $route, $controller, $action);
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}
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public function match(string $url, string $method): ?array
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{
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$method = strtoupper($method);
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$url = $this->removeQueryString($url);
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$url = trim($url, '/');
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foreach ($this->routes as $route) {
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if ($route['method'] !== $method) {
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continue;
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}
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$pattern = $this->convertRouteToRegex($route['route']);
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if (preg_match($pattern, $url, $matches)) {
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$this->params = $this->extractParams($route['route'], $matches);
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return [
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'controller' => $route['controller'],
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'action' => $route['action'],
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'params' => $this->params
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];
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}
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}
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return null;
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}
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private function convertRouteToRegex(string $route): string
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{
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$route = trim($route, '/');
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$pattern = preg_replace('/\{([a-zA-Z_]+)\}/', '([^/]+)', $route);
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return '#^' . $pattern . '$#';
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}
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private function extractParams(string $route, array $matches): array
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{
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$params = [];
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preg_match_all('/\{([a-zA-Z_]+)\}/', $route, $paramNames);
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foreach ($paramNames[1] as $index => $name) {
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if (isset($matches[$index + 1])) {
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$params[$name] = $matches[$index + 1];
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}
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}
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return $params;
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}
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private function removeQueryString(string $url): string
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{
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if ($pos = strpos($url, '?')) {
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$url = substr($url, 0, $pos);
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}
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return $url;
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}
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public function getParams(): array
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{
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return $this->params;
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}
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public function dispatch(string $url, string $method): void
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{
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$match = $this->match($url, $method);
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if ($match === null) {
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http_response_code(404);
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echo View::render('errors/404', ['url' => $url], 'main');
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return;
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}
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$controllerClass = "App\\Controllers\\" . $match['controller'];
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$action = $match['action'];
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if (!class_exists($controllerClass)) {
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throw new \Exception("Контроллер {$controllerClass} не найден");
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}
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$controller = new $controllerClass();
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if (!method_exists($controller, $action)) {
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throw new \Exception("Метод {$action} не найден в контроллере {$controllerClass}");
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}
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call_user_func_array([$controller, $action], $match['params']);
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}
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}
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