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<?php |
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declare(strict_types=1); |
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namespace Teebot\Configuration; |
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use RecursiveArrayIterator; |
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use RecursiveIteratorIterator; |
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abstract class AbstractContainer implements ContainerInterface |
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{ |
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/** |
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* @var array |
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*/ |
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protected $values; |
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/** |
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* @var null|$this |
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*/ |
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protected static $instance = null; |
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/** |
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* @param array $config |
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*/ |
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public function __construct(array $config) |
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{ |
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$this->values = $this->applyEnvParamsRecursively($config); |
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} |
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/** |
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* Replaces placeholders on environment variables recursively |
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* |
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* @param array $data |
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* |
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* @return array |
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*/ |
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protected function applyEnvParamsRecursively(array $data) |
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{ |
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foreach ($data as $key => $value) { |
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if (is_array($value)) { |
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$data[$key] = $this->applyEnvParamsRecursively($value); |
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continue; |
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} |
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$value = (string) $value; |
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if (preg_match_all('/%\w+%/', $value, $matches) && isset($matches[0])) { |
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$tokens = $matches[0]; |
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$data[$key] = $this->getValueFromEnv($tokens, $value); |
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} |
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} |
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return $data; |
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} |
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/** |
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* Returns environment value |
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* |
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* @param array $tokens |
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* @param string $str |
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* |
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* @return mixed |
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*/ |
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protected function getValueFromEnv(array $tokens, string $str): string |
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{ |
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$replace = []; |
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foreach ($tokens as $token) { |
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$envKey = static::ENV_PREFIX . strtoupper(substr($token, 1, strlen($token) - 2)); |
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$envValue = getenv($envKey); |
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if ($envValue) { |
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$replace[$token] = $envValue; |
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} |
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} |
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if (empty($replace)) { |
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return $str; |
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} |
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return str_replace(array_keys($replace), array_values($replace), $str); |
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} |
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/** |
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* Returns value by path from the array. To access nested array values |
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* the path like "key.subarray_key.subarray_key2...." can be used. |
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* |
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* @param string $path |
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* |
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* @return mixed|null |
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*/ |
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protected function getValueByPath(string $path) |
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{ |
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$rIterator = new RecursiveIteratorIterator( |
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new RecursiveArrayIterator($this->values), |
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RecursiveIteratorIterator::SELF_FIRST |
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); |
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foreach ($rIterator as $k => $value) { |
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$keys = []; |
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foreach (range(0, $rIterator->getDepth()) as $depth) { |
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$curKey = $rIterator->getSubIterator($depth)->key(); |
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$keys[] = $curKey; |
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} |
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$key = implode('.', $keys); |
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if ($key === $path) { |
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return $value; |
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} |
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} |
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return null; |
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} |
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/** |
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* Returns value retrieved by path |
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* |
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* @param string $path |
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* |
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* @return mixed|null |
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*/ |
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public function get(string $path) |
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{ |
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$value = $this->getValueByPath($path); |
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return $value; |
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} |
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} |
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rudestan /
Teebot
