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<?php |
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/* |
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* This file is part of the AntiMattr MongoDB Migrations Library, a library by Matthew Fitzgerald. |
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* |
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* (c) 2014 Matthew Fitzgerald |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace AntiMattr\MongoDB\Migrations; |
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use AntiMattr\MongoDB\Migrations\Configuration\Configuration; |
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use AntiMattr\MongoDB\Migrations\Exception\NoMigrationsToExecuteException; |
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use AntiMattr\MongoDB\Migrations\Exception\UnknownVersionException; |
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/** |
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* @author Matthew Fitzgerald <[email protected]> |
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*/ |
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class Migration |
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{ |
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/** |
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* The OutputWriter object instance used for outputting information. |
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* |
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* @var OutputWriter |
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*/ |
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private $outputWriter; |
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/** |
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* @var Configuration |
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*/ |
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private $configuration; |
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/** |
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* Construct a Migration instance. |
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* |
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* @param Configuration $configuration A migration Configuration instance |
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*/ |
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public function __construct(Configuration $configuration) |
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{ |
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$this->configuration = $configuration; |
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$this->outputWriter = $configuration->getOutputWriter(); |
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} |
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/** |
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* Run a migration to the current version or the given target version. |
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* |
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* @param string $to The version to migrate to |
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* |
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* @throws AntiMattr\MongoDB\Migrations\Exception\UnknownVersionException |
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* @throws AntiMattr\MongoDB\Migrations\Exception\NoMigrationsToExecuteException |
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*/ |
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public function migrate($to = null) |
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{ |
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if (null === $to) { |
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$to = $this->configuration->getLatestVersion(); |
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} |
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$from = $this->configuration->getCurrentVersion(); |
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$from = (string) $from; |
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$to = (string) $to; |
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$migrations = $this->configuration->getMigrations(); |
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if (!isset($migrations[$to]) && $to > 0) { |
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throw new UnknownVersionException($to); |
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} |
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$direction = $from > $to ? 'down' : 'up'; |
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$migrationsToExecute = $this->configuration->getMigrationsToExecute($direction, $to); |
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if ($from === $to && empty($migrationsToExecute) && $migrations) { |
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return; |
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} |
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$this->outputWriter->write(sprintf('Migrating <info>%s</info> to <comment>%s</comment> from <comment>%s</comment>', $direction, $to, $from)); |
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if (empty($migrationsToExecute)) { |
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throw new NoMigrationsToExecuteException('Could not find any migrations to execute.'); |
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} |
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1 |
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$time = 0; |
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1 |
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foreach ($migrationsToExecute as $version) { |
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$version->execute($direction); |
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$time += $version->getTime(); |
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} |
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$this->outputWriter->write("\n <comment>------------------------</comment>\n"); |
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$this->outputWriter->write(sprintf(' <info>++</info> finished in %s', $time)); |
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$this->outputWriter->write(sprintf(' <info>++</info> %s migrations executed', count($migrationsToExecute))); |
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} |
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} |
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doesntmattr /
mongodb-migrations
