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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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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->startDate(), $period->endDate()); |
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}); |
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}); |
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$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']->endDate(), $backups); |
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$this->removeOldBackupsUntilUsingLessThanMaximumStorage($backups); |
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} |
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protected function calculateDateRanges(): Collection |
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{ |
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$config = $this->config->get('backup.cleanup.default_strategy'); |
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$daily = new Period( |
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Carbon::now()->subDays($config['keep_all_backups_for_days']), |
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Carbon::now() |
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->subDays($config['keep_all_backups_for_days']) |
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->subDays($config['keep_daily_backups_for_days']) |
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); |
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$weekly = new Period( |
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$daily->endDate(), |
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$daily->endDate() |
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->subWeeks($config['keep_weekly_backups_for_weeks']) |
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); |
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$monthly = new Period( |
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$weekly->endDate(), |
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$weekly->endDate() |
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->subMonths($config['keep_monthly_backups_for_months']) |
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); |
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$yearly = new Period( |
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$monthly->endDate(), |
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$monthly->endDate() |
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->subYears($config['keep_yearly_backups_for_years']) |
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); |
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return collect(compact('daily', 'weekly', 'monthly', 'yearly')); |
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} |
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protected function groupByDateFormat(Collection $backups, string $dateFormat): Collection |
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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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protected function removeBackupsForAllPeriodsExceptOne(Collection $backupsPerPeriod) |
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{ |
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$backupsPerPeriod->each(function (Collection $groupedBackupsByDateProperty, string $periodName) { |
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$groupedBackupsByDateProperty->each(function (Collection $group) { |
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$group->shift(); |
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$group->each->delete(); |
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}); |
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}); |
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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->delete(); |
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} |
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protected function removeOldBackupsUntilUsingLessThanMaximumStorage(BackupCollection $backups) |
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{ |
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if (! $oldest = $backups->oldest()) { |
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return; |
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} |
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$maximumSize = $this->config->get('backup.cleanup.default_strategy.delete_oldest_backups_when_using_more_megabytes_than') |
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* 1024 * 1024; |
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if (($backups->size() + $this->newestBackup->size()) <= $maximumSize) { |
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return; |
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} |
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$oldest->delete(); |
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$backups = $backups->filter->exists(); |
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$this->removeOldBackupsUntilUsingLessThanMaximumStorage($backups); |
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} |
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} |
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spatie /
laravel-backup
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.