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<?php |
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namespace Spatie\Backup\Tasks\Cleanup\Strategies; |
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use Carbon\Carbon; |
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use Illuminate\Support\Collection; |
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use Spatie\Backup\BackupDestination\Backup; |
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use Spatie\Backup\BackupDestination\BackupCollection; |
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use Spatie\Backup\Tasks\Cleanup\CleanupStrategy; |
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use Spatie\Backup\Tasks\Cleanup\Period; |
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class DefaultStrategy extends CleanupStrategy |
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{ |
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/** @var \Spatie\Backup\BackupDestination\Backup */ |
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protected $newestBackup; |
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/** |
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* @param \Spatie\Backup\BackupDestination\BackupCollection $backups |
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*/ |
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public function deleteOldBackups(BackupCollection $backups) |
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{ |
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// Don't ever delete the newest backup. |
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$this->newestBackup = $backups->shift(); |
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$dateRanges = $this->calculateDateRanges(); |
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$backupsPerPeriod = $dateRanges->map(function (Period $period) use ($backups) { |
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return $backups->filter(function (Backup $backup) use ($period) { |
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return $backup->date()->between($period->getStartDate(), $period->getEndDate()); |
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}); |
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}); |
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$backupsPerPeriod['daily'] = $this->groupByDateFormat($backupsPerPeriod['daily'], 'Ymd'); |
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$backupsPerPeriod['weekly'] = $this->groupByDateFormat($backupsPerPeriod['weekly'], 'YW'); |
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$backupsPerPeriod['monthly'] = $this->groupByDateFormat($backupsPerPeriod['monthly'], 'Ym'); |
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$backupsPerPeriod['yearly'] = $this->groupByDateFormat($backupsPerPeriod['yearly'], 'Y'); |
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$this->removeBackupsForAllPeriodsExceptOne($backupsPerPeriod); |
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$this->removeBackupsOlderThan($dateRanges['yearly']->getEndDate(), $backups); |
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$this->removeOldestsBackupsUntilUsingMaximumStorage($backups); |
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} |
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/** |
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* @return \Illuminate\Support\Collection |
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*/ |
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protected function calculateDateRanges() |
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{ |
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$config = $this->config->get('laravel-backup.cleanup.defaultStrategy'); |
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$daily = new Period( |
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Carbon::now()->subDays($config['keepAllBackupsForDays']), |
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Carbon::now() |
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->subDays($config['keepAllBackupsForDays']) |
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->subDays($config['keepDailyBackupsForDays']) |
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); |
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$weekly = new Period( |
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$daily->getEndDate(), |
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$daily->getEndDate() |
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->subWeeks($config['keepWeeklyBackupsForWeeks']) |
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); |
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$monthly = new Period( |
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$weekly->getEndDate(), |
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$weekly->getEndDate() |
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->subMonths($config['keepMonthlyBackupsForMonths']) |
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); |
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$yearly = new Period( |
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$monthly->getEndDate(), |
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$monthly->getEndDate() |
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->subYears($config['keepYearlyBackupsForYears']) |
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); |
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return collect(compact('daily', 'weekly', 'monthly', 'yearly')); |
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} |
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/** |
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* @param \Illuminate\Support\Collection $backups |
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* @param string $dateFormat |
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* |
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* @return \Illuminate\Support\Collection |
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*/ |
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protected function groupByDateFormat(Collection $backups, $dateFormat) |
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{ |
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return $backups->groupBy(function (Backup $backup) use ($dateFormat) { |
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return $backup->date()->format($dateFormat); |
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}); |
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} |
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/** |
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* @param \Illuminate\Support\Collection $backupsPerPeriod |
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*/ |
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protected function removeBackupsForAllPeriodsExceptOne($backupsPerPeriod) |
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{ |
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foreach ($backupsPerPeriod as $periodName => $groupedBackupsByDateProperty) { |
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$groupedBackupsByDateProperty->each(function (Collection $group) { |
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$group->shift(); |
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$group->each(function (Backup $backup) { |
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$backup->delete(); |
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}); |
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}); |
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} |
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} |
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/** |
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* @param \Carbon\Carbon $endDate |
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* @param \Spatie\Backup\BackupDestination\BackupCollection $backups |
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*/ |
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protected function removeBackupsOlderThan(Carbon $endDate, BackupCollection $backups) |
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{ |
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$backups->filter(function (Backup $backup) use ($endDate) { |
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return $backup->exists() && $backup->date()->lt($endDate); |
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})->each(function (Backup $backup) { |
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$backup->delete(); |
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}); |
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} |
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/** |
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* @param \Spatie\Backup\BackupDestination\BackupCollection $backups |
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*/ |
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protected function removeOldestsBackupsUntilUsingMaximumStorage(BackupCollection $backups) |
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{ |
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$maximumSize = $this->config->get('laravel-backup.cleanup.defaultStrategy.deleteOldestBackupsWhenUsingMoreMegabytesThan') |
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* 1024 * 1024; |
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if (!$oldestBackup = $backups->oldest()) { |
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return; |
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} |
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if (($backups->size() + $this->newestBackup->size()) <= $maximumSize) { |
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return; |
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} |
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$oldestBackup->delete(); |
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$this->removeOldestsBackupsUntilUsingMaximumStorage($backups); |
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} |
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} |
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spatie /
laravel-backup
