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<?php |
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/** |
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* This file is part of the daikon-cqrs/config project. |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace Daikon\Config; |
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final class ConfigProviderParams implements ConfigProviderParamsInterface |
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{ |
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private $params; |
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public function __construct(array $params) |
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{ |
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$this->params = $this->verifyParams($params); |
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} |
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public function hasScope(string $scope): bool |
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{ |
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return isset($this->params[$scope]); |
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} |
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public function getLoader(string $scope): ConfigLoaderInterface |
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{ |
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$this->assertScopeExists($scope); |
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$loader = $this->params[$scope]['loader']; |
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if (!is_object($loader)) { |
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$this->params[$scope]['loader'] = new $loader; |
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} |
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return $this->params[$scope]['loader']; |
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} |
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public function getLocations(string $scope): array |
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{ |
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$this->assertScopeExists($scope); |
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return $this->params[$scope]['locations']; |
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} |
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public function getSources(string $scope): array |
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{ |
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$this->assertScopeExists($scope); |
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return $this->params[$scope]['sources']; |
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} |
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private function verifyParams(array $params): array |
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{ |
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if (empty($params)) { |
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throw new \Exception('Given params may not be empty.'); |
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} |
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foreach ($params as $scope => $scopeParams) { |
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if (isset($scopeParams['locations'])) { |
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$this->checkLocations($scope, $scopeParams); |
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} else { |
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$params[$scope]['locations'] = []; |
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} |
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$this->checkSources($scope, $scopeParams); |
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$this->checkLoader($scope, $scopeParams); |
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} |
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return $params; |
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} |
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private function checkLocations(string $scope, array $scopeParams) |
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{ |
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if (!is_array($scopeParams['locations'])) { |
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throw new \Exception(sprintf('The "locations" param within scope: "%s" must be an array', $scope)); |
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} |
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} |
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private function checkSources(string $scope, array $params) |
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{ |
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if (!isset($params['sources'])) { |
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throw new \Exception(sprintf('Missing required key "sources" within scope: "%s"', $scope)); |
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} |
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if (!is_array($params['sources'])) { |
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throw new \Exception(sprintf('The "sources" param within scope: "%s" must be an array', $scope)); |
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} |
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} |
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private function checkLoader(string $scope, array $params) |
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{ |
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if (!isset($params['loader'])) { |
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throw new \Exception(sprintf('Missing required key "loader" within scope: "%s"', $scope)); |
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} |
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if ($params['loader'] instanceof ConfigLoaderInterface) { |
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return; |
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} |
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if (!is_string($params['loader'])) { |
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throw new \Exception(sprintf('The "loader" param within scope: "%s" must be a string(fqcn)', $scope)); |
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} |
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if (!class_exists($params['loader'])) { |
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throw new \Exception( |
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sprintf('Configured loader: "%s" for scope: "%s" can not be found.', $params['loader'], $scope) |
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); |
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} |
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$implementedInterfaces = class_implements($params['loader']); |
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if (!in_array(ConfigLoaderInterface::class, $implementedInterfaces)) { |
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throw new \Exception(sprintf( |
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'Configured loader: "%s" for scope: "%s" does not implement required interface: %s', |
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$params['loader'], |
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$scope, |
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ConfigLoaderInterface::class |
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)); |
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} |
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} |
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private function assertScopeExists(string $scope) |
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{ |
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if (!$this->hasScope($scope)) { |
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throw new \Exception(sprintf('Given scope: "%s" has not been registered.', $scope)); |
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} |
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} |
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} |
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daikon-cqrs /
config
