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<?php |
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namespace Sunnysideup\VersionPruner\PruningTemplates; |
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use Sunnysideup\VersionPruner\PruningTemplatesTemplate; |
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class BasedOnTimeScale extends PruningTemplatesTemplate |
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{ |
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protected $timeScale = [ |
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'Minutes' => [ |
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'Max' => 60, |
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'Interval' => 15, |
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], |
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'Hours' => [ |
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'Max' => 24, |
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'Interval' => 3, |
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], |
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'Days' => [ |
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'Min' => 1, |
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'Max' => 7, |
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'Interval' => 1, |
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], |
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'Weeks' => [ |
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'Min' => 1, |
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'Max' => 4, |
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'Interval' => 1, |
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], |
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'Months' => [ |
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'Min' => 1, |
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'Max' => 12, |
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'Interval' => 1, |
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], |
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'Years' => [ |
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'Min' => 1, |
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'Max' => 7, |
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'Interval' => 1, |
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], |
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]; |
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protected $otherFilters = []; |
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public function setOtherFilters(array $otherFilters): self |
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{ |
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$this->otherFilters = $otherFilters; |
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return $this; |
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} |
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public function setTimeScale(array $timeScale): self |
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{ |
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$this->timeScale = $timeScale; |
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return $this; |
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} |
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public function getTitle(): string |
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{ |
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return 'Prune versions based on time ago'; |
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} |
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public function getDescription(): string |
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{ |
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return 'Ones close to now are kept at a more regular interval (e.g. one per hour) and olders ones at a less regular interval (e.g. one per month).'; |
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} |
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public function run(?bool $verbose = false) |
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{ |
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$toKeep = $this->buildTimeScalePatternAndOnesToKeep(); |
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$query = $this->getBaseQuery() |
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->addWhere( |
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[ |
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'"RecordID" = ?' => $this->object->ID, |
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'"Version" NOT IN (' . implode(',', ($toKeep + [-1 => 0])) . ')', |
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] + |
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$this->otherFilters |
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) |
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; |
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$this->toDelete[$this->getUniqueKey()] += $this->addVersionNumberToArray( |
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$this->toDelete[$this->getUniqueKey()], |
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$query->execute() |
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); |
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} |
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protected function buildTimeScalePatternAndOnesToKeep(): array |
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{ |
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$keep = []; |
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foreach ($this->timeScale as $name => $options) { |
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$min = $options['Min'] ?? 0; |
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$max = $options['Max'] ?? 7; |
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$interval = (int) $options['Interval'] ?? 1; |
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for ($i = $min; $i < $max; $i += $interval) { |
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$untilTs = strtotime('-' . $i . ' ' . $name); |
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$fromTs = strtotime('-' . ($i + $interval) . ' ' . $name); |
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$where = |
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'( |
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"LastEdited" > TIMESTAMP(\'' . date('Y-m-d h:i:s', $fromTs) . '\') AND |
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"LastEdited" < TIMESTAMP(\'' . date('Y-m-d h:i:s', $untilTs) . '\') AND |
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"WasPublished" = 1 |
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)'; |
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$query = $this->getBaseQuery() |
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->addWhere($this->normaliseWhere([$where] + $this->otherFilters)) |
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->setLimit(1) |
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; |
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$keep = $this->addVersionNumberToArray( |
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$keep, |
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$query->execute() |
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); |
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} |
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} |
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return $keep; |
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} |
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} |
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sunnysideup /
silverstripe-version-pruner
