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<?php |
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/** |
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* @copyright Copyright (c) 2017 René Gieling <[email protected]> |
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* |
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* @author René Gieling <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OCA\Polls\Migration; |
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use OCP\DB\ISchemaWrapper; |
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use OCP\IConfig; |
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use OCP\IDBConnection; |
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use OCP\Migration\SimpleMigrationStep; |
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use OCP\Migration\IOutput; |
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class Version0107Date20201210204702 extends SimpleMigrationStep { |
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/** @var IDBConnection */ |
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protected $connection; |
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/** @var IConfig */ |
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protected $config; |
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public function __construct(IDBConnection $connection, IConfig $config) { |
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$this->connection = $connection; |
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$this->config = $config; |
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} |
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/** |
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* @return void |
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*/ |
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public function preSchemaChange(IOutput $output, \Closure $schemaClosure, array $options) { |
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$schema = $schemaClosure(); |
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if ($schema->hasTable('polls_options')) { |
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// remove duplicates from oc_polls_options |
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// preserve the first entry |
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$query = $this->connection->getQueryBuilder(); |
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$query->select('id', 'poll_id', 'poll_option_text', 'timestamp') |
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->from('polls_options'); |
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$foundEntries = $query->execute(); |
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$delete = $this->connection->getQueryBuilder(); |
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$delete->delete('polls_options') |
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->where('id = :id'); |
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$entries2Keep = []; |
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while ($row = $foundEntries->fetch()) { |
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$currentRecord = [ |
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$row['poll_id'], |
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$row['poll_option_text'], |
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$row['timestamp'] |
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]; |
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if (in_array($currentRecord, $foundEntries2Keep)) { |
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$delete->setParameter('id', $row['id']); |
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$delete->execute(); |
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} else { |
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$foundEntries2Keep[] = $currentRecord; |
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} |
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} |
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} |
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} |
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public function changeSchema(IOutput $output, \Closure $schemaClosure, array $options) { |
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/** @var ISchemaWrapper $schema */ |
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$schema = $schemaClosure(); |
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if ($schema->hasTable('polls_options')) { |
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$table = $schema->getTable('polls_options'); |
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$table->changeColumn('poll_option_text', [ |
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'notnull' => true, |
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'default' => '' |
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]); |
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$table->changeColumn('timestamp', [ |
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'notnull' => true, |
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'default' => 0 |
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]); |
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try { |
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$table->addUniqueIndex(['poll_id', 'poll_option_text', 'timestamp'], 'UNIQ_options'); |
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} catch (\Exception $e) { |
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//catch silently, index is already present |
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} |
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} |
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return $schema; |
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} |
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} |
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nextcloud /
polls
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