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<?php |
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namespace Elgg\Pages\Upgrades; |
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use ElggObject; |
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use \Elgg\Upgrade\Batch; |
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use \Elgg\Upgrade\Result; |
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/** |
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* Migrate 'object', 'page_top' to 'object', 'page' |
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* also set metadata 'parent_guid' to 0 |
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* |
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* @since 3.0 |
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*/ |
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class MigratePageTop implements Batch { |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getVersion() { |
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return 2017110700; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function shouldBeSkipped() { |
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return empty($this->countItems()); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function countItems() { |
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return elgg_get_entities([ |
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'type' => 'object', |
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'subtype' => 'page_top', |
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'count' => true, |
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]); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function needsIncrementOffset() { |
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return false; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function run(Result $result, $offset) { |
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/* @var \ElggBatch $page_tops */ |
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$page_tops = elgg_get_entities([ |
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'type' => 'object', |
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'subtype' => 'page_top', |
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'offset' => $offset, |
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'limit' => 25, |
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'batch' => true, |
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'batch_inc_offset' => $this->needsIncrementOffset(), |
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]); |
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/* @var $page_top \ElggObject */ |
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foreach ($page_tops as $page_top) { |
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if ($this->migrate($page_top)) { |
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$result->addSuccesses(); |
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} else { |
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$result->addError("Error migrating page_top: {$page_top->guid}"); |
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$result->addFailures(); |
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} |
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} |
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return $result; |
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} |
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/** |
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* Migrate one page_top to a page |
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* |
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* @param ElggObject $page_top the top page to migrate |
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* |
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* @return bool |
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*/ |
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protected function migrate(ElggObject $page_top) { |
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$dbprefix = elgg_get_config('dbprefix'); |
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$query = "UPDATE {$dbprefix}entities |
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SET subtype = 'page' |
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WHERE guid = {$page_top->guid} |
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"; |
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if (!update_data($query)) { |
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return false; |
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} |
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$page_top->parent_guid = 0; |
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return true; |
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} |
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} |
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Elgg /
Elgg
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