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<?php |
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/* |
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* This file is part of Monolog Extensions |
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* |
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* Copyright (c) 2014 Nature Delivered Ltd. <http://graze.com> |
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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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* @see http://github.com/graze/MonologExtensions/blob/master/LICENSE |
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* @link http://github.com/graze/MonologExtensions |
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*/ |
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namespace Graze\Monolog\Processor; |
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class DynamoDbSecondaryIndexProcessor |
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{ |
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/** |
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* @var array |
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*/ |
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private $secondaryIndexes; |
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/** |
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* @param array $secondaryIndexes |
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*/ |
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public function __construct(array $secondaryIndexes = []) |
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{ |
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$this->secondaryIndexes = $secondaryIndexes; |
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} |
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/** |
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* Sets up secondary indexes for dynamodb table |
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* |
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* @param array $record |
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* |
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* @return array |
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*/ |
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public function __invoke(array $record) |
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{ |
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$foundIndexes = $this->retrieveSecondaryIndexes($record, $this->secondaryIndexes); |
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return array_merge($foundIndexes, $record); |
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} |
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/** |
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* returns an array of secondary indexes as key-value pairs that exist in $record |
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* |
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* @param array $record |
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* @param array $keys |
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* @param array $foundKeys |
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* |
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* @return array $foundKeys |
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*/ |
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private function retrieveSecondaryIndexes(array $record, array $keys, array &$foundKeys = []) |
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{ |
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foreach ($record as $key => $value) { |
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if (in_array($key, $keys)) { |
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$foundKeys[$key] = $value; |
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} |
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if (is_array($value)) { |
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$this->retrieveSecondaryIndexes($value, $keys, $foundKeys); |
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} |
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} |
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return $foundKeys; |
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} |
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} |
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graze /
monolog-extensions
