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<?php |
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/** |
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* Copyright (c) 2016, HelloFresh GmbH. |
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* All rights reserved. |
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* |
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* This source code is licensed under the MIT license found in the |
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* LICENSE file in the root directory of this source tree. |
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*/ |
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namespace HelloFresh\FeatureToggle; |
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use Collections\Dictionary; |
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use Collections\MapInterface; |
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use HelloFresh\FeatureToggle\Exception\FeatureAlreadyExistsException; |
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use HelloFresh\FeatureToggle\Exception\FeatureNotFoundException; |
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class FeatureManager |
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{ |
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/** |
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* @var MapInterface |
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*/ |
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protected $features; |
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/** |
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* FeatureManager constructor. |
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* @param MapInterface $features |
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*/ |
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public function __construct(MapInterface $features = null) |
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{ |
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$this->features = $features ? $features : new Dictionary(); |
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} |
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public function addFeature(FeatureInterface $feature) |
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{ |
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if ($this->has($feature->getName())) { |
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throw new FeatureAlreadyExistsException(sprintf('The feature %s already exists', $feature->getName())); |
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} |
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$this->features->add($feature->getName(), $feature); |
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return $this; |
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} |
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public function removeFeature(FeatureInterface $feature) |
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{ |
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$this->features->removeKey($feature->getName()); |
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return $this; |
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} |
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public function has($name) |
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{ |
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return $this->features->containsKey($name); |
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} |
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/** |
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* Gets a feature toggle |
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* @param $name - The name of the feature |
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* @return FeatureInterface |
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*/ |
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public function get($name) |
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{ |
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if (!$this->has($name)) { |
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throw new FeatureNotFoundException(sprintf('The feature %s was not found', $name)); |
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} |
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return $this->features->get($name); |
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} |
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public function isActive($name, Context $context) |
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{ |
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return $this->get($name)->activeFor($context); |
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} |
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} |
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hellofresh /
feature-toggle
