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<?php |
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/** |
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* This file is part of the daikon/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("The 'locations' param within scope: '$scope' must be an array"); |
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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("Missing required key 'sources' within scope: '$scope'"); |
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} |
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if (!is_array($params['sources'])) { |
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throw new \Exception("The 'sources' param within scope: '$scope' must be an array"); |
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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("Missing required key 'loader' within scope: '$scope'"); |
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} |
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if (!is_string($params['loader'])) { |
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throw new \Exception("The 'loader' param within scope: '$scope' must be a string(fqcn)"); |
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} |
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if (!class_exists($params['loader'])) { |
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throw new \Exception( |
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"Configured loader: '".$params['loader']."' for scope: '$scope' can not be found." |
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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, $implementedInterfaces)) { |
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throw new \Exception( |
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"Configured loader: '".$params['loader']."' for scope: '$scope' ". |
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"does not implement required interface: ".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($scope)) { |
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throw new \Exception("Given scope: '$scope' has not been registered."); |
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} |
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} |
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} |
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daikon-cqrs /
config
