80 lines
2.0 KiB
PHP
80 lines
2.0 KiB
PHP
<?php
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namespace MailPoet\Features;
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use MailPoetVendor\Doctrine\DBAL\Exception\TableNotFoundException;
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class FeaturesController {
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// Define features below in the following form:
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// const FEATURE_NAME_OF_FEATURE = 'name-of-feature';
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const NEW_DEFAULT_LIST_NAME = 'new-default-list-name';
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// Define feature defaults in the array below in the following form:
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// self::FEATURE_NAME_OF_FEATURE => true,
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private $defaults = [
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self::NEW_DEFAULT_LIST_NAME => false,
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];
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/** @var array */
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private $flags;
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/** @var FeatureFlagsRepository */
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private $featureFlagsRepository;
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public function __construct(FeatureFlagsRepository $featureFlagsRepository) {
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$this->featureFlagsRepository = $featureFlagsRepository;
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}
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/** @return bool */
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public function isSupported($feature) {
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if (!$this->exists($feature)) {
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throw new \RuntimeException("Unknown feature '$feature'");
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}
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// ensure controller works even if used before migrator, return default value in such case
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try {
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$this->ensureFlagsLoaded();
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} catch (TableNotFoundException $e) {
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return $this->defaults[$feature];
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}
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return $this->flags[$feature];
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}
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/** @return bool */
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public function exists($feature) {
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return array_key_exists($feature, $this->defaults);
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}
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/** @return array */
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public function getDefaults() {
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return $this->defaults;
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}
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/** @return array */
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public function getAllFlags() {
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$this->ensureFlagsLoaded();
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return $this->flags;
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}
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private function ensureFlagsLoaded() {
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if ($this->flags !== null) {
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return;
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}
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$flagsMap = $this->getValueMap();
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$this->flags = [];
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foreach ($this->defaults as $name => $default) {
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$this->flags[$name] = isset($flagsMap[$name]) ? $flagsMap[$name] : $default;
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}
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}
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private function getValueMap() {
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$features = $this->featureFlagsRepository->findAll();
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$featuresMap = [];
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foreach ($features as $feature) {
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$featuresMap[$feature->getName()] = (bool)$feature->getValue();
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}
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return $featuresMap;
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}
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}
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