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<?php declare(strict_types=1); |
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namespace Phact\Router\Reverser; |
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use FastRoute\BadRouteException; |
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use Phact\Router\Reverser; |
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use LogicException; |
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use function is_string; |
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use function count; |
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use function in_array; |
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use function http_build_query; |
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class Std implements Reverser |
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{ |
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/** |
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* @var array |
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*/ |
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protected $routes; |
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public function __construct(array $routes) |
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{ |
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$this->routes = $routes; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function reverse(string $routeName, array $variables = []): string |
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{ |
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$this->hasRouteCheck($routeName); |
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$route = $this->routes[$routeName]; |
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$url = ''; |
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$counter = 0; |
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$usedParams = []; |
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foreach ($route as $part) { |
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if (is_string($part)) { |
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$url .= $part; |
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continue; |
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} |
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if ($counter === count($variables)) { |
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throw new LogicException('Not enough parameters given'); |
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} |
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$variableName = $part[0]; |
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$usedParams[] = $variableName; |
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$url .= $this->retrieveVariable($variables, $counter, $variableName); |
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$counter++; |
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} |
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$query = $this->buildQuery($variables, $usedParams); |
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$query = $query ? '?' . $query : ''; |
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return $url . $query; |
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} |
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/** |
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* Get variables from variables by name or by index |
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* |
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* @param array $variables |
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* @param int $index |
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* @param string $variableName |
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* @return string |
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*/ |
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public function retrieveVariable(array $variables, int $index, string $variableName): string |
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{ |
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if (isset($variables[$variableName])) { |
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return $variables[$variableName]; |
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} |
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if (isset($variables[$index])) { |
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return $variables[$index]; |
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} |
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throw new LogicException('Incorrect parameters given'); |
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} |
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/** |
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* Check that route with given name exists |
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* |
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* @param string $routeName |
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*/ |
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public function hasRouteCheck(string $routeName): void |
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{ |
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if (!isset($this->routes[$routeName])) { |
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throw new BadRouteException(sprintf( |
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'Could not find route with name "%s"', |
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$routeName |
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)); |
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} |
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} |
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/** |
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* Build query string from unused params |
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* |
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* @param array $variables |
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* @param array $usedParams |
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* @return string |
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*/ |
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protected function buildQuery(array $variables, array $usedParams): string |
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{ |
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$query = []; |
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foreach ($variables as $param => $value) { |
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if (is_string($param) && !in_array($param, $usedParams)) { |
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$query[$param] = $value; |
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} |
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} |
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if (!$query) { |
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return ''; |
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} |
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return http_build_query($query); |
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} |
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} |
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phact-cmf /
Router
