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<?php |
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namespace phpbu\App\Backup\Check; |
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use phpbu\App\Result; |
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use phpbu\App\Backup\Collector; |
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use phpbu\App\Backup\Target; |
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use phpbu\App\Util\Math; |
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/** |
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* SizeDiffPreviousPercent class |
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* |
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* Checks if a backup filesize differs more than a given percent value as compared to the previous backup. |
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* If no previous backup exists this check will pass. |
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* |
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* @package phpbu |
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* @subpackage Backup |
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* @author Sebastian Feldmann <[email protected]> |
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* @copyright Sebastian Feldmann <[email protected]> |
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* @license https://opensource.org/licenses/MIT The MIT License (MIT) |
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* @link http://phpbu.de/ |
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* @since Class available since Release 1.0.0 |
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*/ |
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class SizeDiffPreviousPercent implements Simulator |
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{ |
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/** |
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* Execute check. |
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* |
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* @param \phpbu\App\Backup\Target $target |
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* @param string $value |
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* @param \phpbu\App\Backup\Collector $collector |
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* @param \phpbu\App\Result $result |
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* @return bool |
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* @throws \phpbu\App\Exception |
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*/ |
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public function pass(Target $target, $value, Collector $collector, Result $result) : bool |
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{ |
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// throws App\Exception if file doesn't exist |
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$backupSize = $target->getSize(); |
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$history = $collector->getBackupFiles(); |
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$historyCount = count($history); |
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$pass = true; |
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if ($historyCount > 0) { |
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// oldest backups first |
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ksort($history); |
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$prevFile = array_pop($history); |
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$prevSize = $prevFile->getSize(); |
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$diffPercent = Math::getDiffInPercent($backupSize, $prevSize); |
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$pass = $diffPercent < $value; |
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} |
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return $pass; |
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} |
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/** |
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* Simulate the check execution. |
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* |
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* @param \phpbu\App\Backup\Target $target |
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* @param string $value |
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* @param \phpbu\App\Backup\Collector $collector |
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* @param \phpbu\App\Result $result |
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* @return bool |
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*/ |
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public function simulate(Target $target, $value, Collector $collector, Result $result): bool |
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{ |
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$result->debug('checking size difference ' . $value . '%' . PHP_EOL); |
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} |
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} |
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sebastianfeldmann /
phpbu
